コード例 #1
0
class OSCRemote(object):
    def __init__(self):

        self.editor_issue = "1.3"

        # get command options
        self.command_options = remote_options()

        # get directory holding the code
        self.pp_dir = sys.path[0]

        if not os.path.exists(self.pp_dir + os.sep + "pp_oscremote.py"):
            tkMessageBox.showwarning("Pi Presents",
                                     "Bad Application Directory")
            exit()

        # Initialise logging
        Monitor.log_path = self.pp_dir
        self.mon = Monitor()
        self.mon.init()

        Monitor.classes = ['OSCRemote', 'OSCConfig', 'OSCEditor']

        Monitor.log_level = int(self.command_options['debug'])

        self.mon.log(self, "Pi Presents Remote is starting")
        self.mon.log(self, " OS and separator " + os.name + '  ' + os.sep)
        self.mon.log(self,
                     "sys.path[0] -  location of code: code " + sys.path[0])

        self.setup_gui()

        # OSC config class
        self.osc_config = OSCConfig()

        self.init()

        #and start the system
        self.root.after(1000, self.run_app)
        self.root.mainloop()

    def init(self):
        self.osc_config_file = self.pp_dir + os.sep + 'pp_config' + os.sep + 'pp_oscremote.cfg'
        self.read_create_osc()
        self.pp_home_dir = self.osc_config.pp_home_dir
        self.pp_profiles_offset = self.osc_config.pp_profiles_offset
        self.mon.log(self, "Data Home from options is " + self.pp_home_dir)
        self.mon.log(
            self, "Current Profiles Offset from options is " +
            self.pp_profiles_offset)
        self.pp_profile_dir = ''

        self.current_showlist = None
        self.current_show = None
        self.current_show_ref = ''
        self.shows_display.delete(0, END)
        self.results.set('')

    def add_status(self, text):
        self.status_display.insert(END, text + '\n')
        self.status_display.see(END)

    def run_app(self):
        self.client = None
        self.server = None
        self.st = None

        # initialise OSC variables
        self.prefix = '/pipresents'
        self.this_unit = '/' + self.osc_config.this_unit_name
        self.add_status('this unit is: ' + self.this_unit)
        self.controlled_unit = '/' + self.osc_config.controlled_unit_1_name
        self.add_status('controlled unit is: ' + self.controlled_unit)

        #connect client then start server to listen for replies
        self.init_client()
        self.add_status('connecting to controlled unit: ' +
                        self.osc_config.controlled_unit_1_ip + ':' +
                        self.osc_config.controlled_unit_1_port + ' ' +
                        self.osc_config.controlled_unit_1_name)
        self.connect_client(self.osc_config.controlled_unit_1_ip,
                            self.osc_config.controlled_unit_1_port)
        self.add_status('listening for replies on:' +
                        self.osc_config.this_unit_ip + ':' +
                        self.osc_config.this_unit_port)
        self.init_server(self.osc_config.this_unit_ip,
                         self.osc_config.this_unit_port, self.client)
        self.add_initial_handlers()
        self.start_server()

# ***************************************
#  RESPOND TO BUTTONS
# ***************************************

    def open_show(self):
        self.msg_path = '/core/open '
        self.msg_arg_text = self.current_show_ref
        self.display_msg_text()

    def close_show(self):
        self.msg_path = '/core/close '
        self.msg_arg_text = self.current_show_ref
        self.display_msg_text()

    def exit_pipresents(self):
        self.msg_path = '/core/exitpipresents'
        self.msg_arg_text = ''
        self.display_msg_text()

    def play_event(self):
        self.msg_path = '/core/event'
        self.msg_arg_text = 'pp-play'
        self.display_msg_text()

    def pause_event(self):
        self.msg_path = '/core/event'
        self.msg_arg_text = 'pp-pause'
        self.display_msg_text()
        pass

    def stop_event(self):
        self.msg_path = '/core/event'
        self.msg_arg_text = 'pp-stop'
        self.display_msg_text()
        pass

    def up_event(self):
        self.msg_path = '/core/event'
        self.msg_arg_text = 'pp-up'
        self.display_msg_text()

    def down_event(self):
        self.msg_path = '/core/event'
        self.msg_arg_text = 'pp-down'
        self.display_msg_text()

    def output(self):
        self.msg_path = '/core/output'
        self.msg_arg_text = ''
        self.display_msg_text()

    def loopback(self):
        self.msg_path = '/system/loopback'
        self.msg_arg_text = ''
        self.display_msg_text()

    def server_info(self):
        self.msg_path = '/system/server-info'
        self.msg_arg_text = ''
        self.display_msg_text()

    # and put the created text in the results box in the gui
    def display_msg_text(self):
        self.results.set(self.prefix + self.controlled_unit + self.msg_path +
                         ' ' + self.msg_arg_text)

    #calback from the Send button
    # parses the message string into fields and sends - NO error checking
    def send_message(self):
        msg_text = self.results.get()
        self.add_status('Send message:' + msg_text)
        self.mon.log(self, 'send message: ' + msg_text)
        fields = msg_text.split()
        address = fields[0]
        arg_list = fields[1:]
        self.send(address, arg_list)

    # ***************************************
    # OSC CLIENT TO SEND MESSAGES
    # ***************************************

    def init_client(self):
        self.client = OSC.OSCClient()

    def connect_client(self, ip, port):
        self.mon.log(self, 'connect to: ' + ip + ':' + str(port))
        self.client.connect((ip, int(port)))

    def send(self, address, arg_list):
        msg = OSC.OSCMessage()
        msg.setAddress(address)
        for arg in arg_list:
            msg.append(arg)
        self.client.send(msg)

    def disconnect_client(self):
        self.client.close()
        return

    # ***************************************
    # OSC SERVER TO LISTEN TO REPLIES
    # ***************************************

    def init_server(self, ip, port_text, client):
        self.mon.log(self, 'Start Server: ' + ip + ':' + port_text)
        self.server = OSC.OSCServer((ip, int(port_text)), client)

    def start_server(self):
        self.st = threading.Thread(target=self.server.serve_forever)
        self.st.start()

    def close_server(self):
        if self.server != None:
            self.server.close()
        self.mon.log(self, 'Waiting for Server-thread to finish')
        if self.st != None:
            self.st.join()  ##!!!
        self.mon.log(self, 'server thread closed')

    def add_initial_handlers(self):
        self.server.addMsgHandler('default', self.no_match_handler)
        self.server.addMsgHandler(
            self.prefix + self.this_unit + "/system/loopback-reply",
            self.loopback_reply_handler)
        self.server.addMsgHandler(
            self.prefix + self.this_unit + "/system/server-info-reply",
            self.server_info_reply_handler)

    def no_match_handler(self, addr, tags, stuff, source):
        text = ''
        text += "no match for new osc msg from %s" % OSC.getUrlStr(
            source) + '\n'
        text += "with addr : %s" % addr + '\n'
        text += "typetags %s" % tags + '\n'
        text += "data %s" % stuff + '\n'
        self.add_status(text + '\n')

    def loopback_reply_handler(self, addr, tags, stuff, source):
        self.add_status('Loopback reply  received from: ' +
                        self.pretty_list(source))

    def server_info_reply_handler(self, addr, tags, stuff, source):
        self.add_status('Server Information from: ' +
                        self.pretty_list(source) + '\n   ' +
                        self.pretty_list(stuff))

    def pretty_list(self, fields):
        text = ' '
        for field in fields:
            text += str(field) + ' '
        return text

    # ***************************************
    # INIT EXIT MISC
    # ***************************************

    def e_edit_osc(self):
        self.disconnect_client()
        self.close_server()
        self.edit_osc()
        self.init()
        self.add_status('\n\n\nRESTART')
        self.run_app()

    def app_exit(self):
        self.disconnect_client()
        self.close_server()
        if self.root is not None:
            self.root.destroy()
        self.mon.finish()
        sys.exit()

    def show_help(self):
        tkMessageBox.showinfo("Help", "Read 'manual.pdf'")

    def about(self):
        tkMessageBox.showinfo(
            "About", "Simple Remote Control for Pi Presents\n" +
            "Author: Ken Thompson" +
            "\nWebsite: http://pipresents.wordpress.com/")

    def setup_gui(self):
        # set up the gui

        # root is the Tkinter root widget
        self.root = Tk()
        self.root.title("Remote Control for Pi Presents")

        # self.root.configure(background='grey')

        self.root.resizable(False, False)

        # define response to main window closing
        self.root.protocol("WM_DELETE_WINDOW", self.app_exit)

        # bind some display fields
        self.filename = StringVar()
        self.display_show = StringVar()
        self.results = StringVar()
        self.status = StringVar()

        # define menu
        menubar = Menu(self.root)

        profilemenu = Menu(menubar, tearoff=0, bg="grey", fg="black")
        profilemenu.add_command(label='Select',
                                command=self.open_existing_profile)
        menubar.add_cascade(label='Profile', menu=profilemenu)

        toolsmenu = Menu(menubar, tearoff=0, bg="grey", fg="black")
        menubar.add_cascade(label='Tools', menu=toolsmenu)

        osc_configmenu = Menu(menubar, tearoff=0, bg="grey", fg="black")
        menubar.add_cascade(label='OSC', menu=osc_configmenu)
        osc_configmenu.add_command(label='Edit', command=self.e_edit_osc)

        helpmenu = Menu(menubar, tearoff=0, bg="grey", fg="black")
        menubar.add_cascade(label='Help', menu=helpmenu)
        helpmenu.add_command(label='Help', command=self.show_help)
        helpmenu.add_command(label='About', command=self.about)

        self.root.config(menu=menubar)

        #top frame
        top_frame = Frame(self.root, padx=5, pady=5)
        top_frame.pack(side=TOP)

        results_label = Label(top_frame,
                              text="Message to Send",
                              font="arial 12 bold")
        results_label.pack(side=LEFT)
        results_display = Entry(top_frame, textvariable=self.results, width=70)
        results_display.pack(side=LEFT, fill=BOTH, expand=1)
        send_button = Button(top_frame,
                             width=5,
                             height=1,
                             text='Send',
                             fg='black',
                             command=self.send_message,
                             bg="light grey")
        send_button.pack(side=RIGHT)

        #bottom frame
        bottom_frame = Frame(self.root, padx=5, pady=5)
        bottom_frame.pack(side=TOP, fill=BOTH, expand=1)
        left_frame = Frame(bottom_frame, padx=5)
        left_frame.pack(side=LEFT)
        right_frame = Frame(bottom_frame, padx=5, pady=5)
        right_frame.pack(side=LEFT)

        suplabel_frame = Frame(right_frame, pady=5)
        suplabel_frame.pack(side=TOP)
        commands_label = Label(suplabel_frame,
                               text="Show Control",
                               font="arial 12 bold")
        commands_label.pack()

        supervisor_frame = Frame(right_frame, pady=5)
        supervisor_frame.pack(side=TOP)

        # supervisor buttons
        add_button = Button(supervisor_frame,
                            width=5,
                            height=1,
                            text='Open\nShow',
                            fg='black',
                            command=self.open_show,
                            bg="light grey")
        add_button.pack(side=LEFT)
        add_button = Button(supervisor_frame,
                            width=5,
                            height=1,
                            text='Close\nShow',
                            fg='black',
                            command=self.close_show,
                            bg="light grey")
        add_button.pack(side=LEFT)
        add_button = Button(supervisor_frame,
                            width=10,
                            height=1,
                            text='Exit\nPi Presents',
                            fg='black',
                            command=self.exit_pipresents,
                            bg="light grey")
        add_button.pack(side=LEFT)

        # events buttons
        oplabel_frame = Frame(right_frame, pady=5)
        oplabel_frame.pack(side=TOP)
        operations_label = Label(oplabel_frame,
                                 text="Input Events",
                                 font="arial 12 bold")
        operations_label.pack()

        operations_frame = Frame(right_frame, pady=5)
        operations_frame.pack(side=TOP)

        add_button = Button(operations_frame,
                            width=5,
                            height=1,
                            text='Play',
                            fg='black',
                            command=self.play_event,
                            bg="light grey")
        add_button.pack(side=LEFT)
        add_button = Button(operations_frame,
                            width=5,
                            height=1,
                            text='Pause',
                            fg='black',
                            command=self.pause_event,
                            bg="light grey")
        add_button.pack(side=LEFT)
        add_button = Button(operations_frame,
                            width=5,
                            height=1,
                            text='Stop',
                            fg='black',
                            command=self.stop_event,
                            bg="light grey")
        add_button.pack(side=LEFT)
        add_button = Button(operations_frame,
                            width=5,
                            height=1,
                            text='Up',
                            fg='black',
                            command=self.up_event,
                            bg="light grey")
        add_button.pack(side=LEFT)
        add_button = Button(operations_frame,
                            width=5,
                            height=1,
                            text='Down',
                            fg='black',
                            command=self.down_event,
                            bg="light grey")
        add_button.pack(side=LEFT)

        # animate buttons
        animate_frame = Frame(right_frame, pady=5)
        animate_frame.pack(side=TOP)
        animate_label = Label(animate_frame,
                              text="Control Outputs",
                              font="arial 12 bold")
        animate_label.pack()

        animate_frame = Frame(right_frame, pady=5)
        animate_frame.pack(side=TOP)

        add_button = Button(animate_frame,
                            width=5,
                            height=1,
                            text='Output',
                            fg='black',
                            command=self.output,
                            bg="light grey")
        add_button.pack(side=LEFT)

        # system buttons
        systemlabel_frame = Frame(right_frame, pady=5)
        systemlabel_frame.pack(side=TOP)
        system_label = Label(systemlabel_frame,
                             text="System",
                             font="arial 12 bold")
        system_label.pack()

        system_frame = Frame(right_frame, pady=5)
        system_frame.pack(side=TOP)

        add_button = Button(system_frame,
                            width=5,
                            height=1,
                            text='Loopback',
                            fg='black',
                            command=self.loopback,
                            bg="light grey")
        add_button.pack(side=LEFT)
        add_button = Button(system_frame,
                            width=10,
                            height=1,
                            text='Server Info',
                            fg='black',
                            command=self.server_info,
                            bg="light grey")
        add_button.pack(side=LEFT)

        # define display of showlist
        shows_title_frame = Frame(left_frame)
        shows_title_frame.pack(side=TOP)
        shows_label = Label(shows_title_frame, text="Shows")
        shows_label.pack()
        shows_frame = Frame(left_frame)
        shows_frame.pack(side=TOP)
        scrollbar = Scrollbar(shows_frame, orient=VERTICAL)
        self.shows_display = Listbox(shows_frame,
                                     selectmode=SINGLE,
                                     height=12,
                                     width=40,
                                     bg="white",
                                     activestyle=NONE,
                                     fg="black",
                                     yscrollcommand=scrollbar.set)
        scrollbar.config(command=self.shows_display.yview)
        scrollbar.pack(side=RIGHT, fill=Y)
        self.shows_display.pack(side=LEFT, fill=BOTH, expand=1)
        self.shows_display.bind("<ButtonRelease-1>", self.e_select_show)

        # status_frame
        status_frame = Frame(self.root, padx=5, pady=5)
        status_frame.pack(side=TOP, fill=BOTH, expand=1)
        status_label = Label(status_frame, text="Status", font="arial 12 bold")
        status_label.pack(side=LEFT)
        scrollbar = Scrollbar(status_frame, orient=VERTICAL)
        self.status_display = Text(status_frame,
                                   height=10,
                                   yscrollcommand=scrollbar.set)
        scrollbar.config(command=self.status_display.yview)
        scrollbar.pack(side=RIGHT, fill=Y)
        self.status_display.pack(side=LEFT, fill=BOTH, expand=1)

    # ***************************************
    # SHOWLIST
    # ***************************************

    def open_existing_profile(self):
        initial_dir = self.pp_home_dir + os.sep + "pp_profiles" + self.pp_profiles_offset
        if os.path.exists(initial_dir) is False:
            self.mon.err(
                self, "Profiles directory not found: " + initial_dir +
                "\n\nHint: Data Home option must end in pp_home")
            return
        dir_path = tkFileDialog.askdirectory(initialdir=initial_dir)
        # dir_path="C:\Users\Ken\pp_home\pp_profiles\\ttt"
        if len(dir_path) > 0:
            self.open_profile(dir_path)

    def open_profile(self, dir_path):
        showlist_file = dir_path + os.sep + "pp_showlist.json"
        if os.path.exists(showlist_file) is False:
            self.mon.err(
                self, "Not a Profile: " + dir_path +
                "\n\nHint: Have you opened the profile directory?")
            return
        self.pp_profile_dir = dir_path
        self.root.title("Remote for Pi Presents - " + self.pp_profile_dir)
        self.open_showlist(self.pp_profile_dir)

    def open_showlist(self, profile_dir):
        showlist_file = profile_dir + os.sep + "pp_showlist.json"
        if os.path.exists(showlist_file) is False:
            self.mon.err(
                self, "showlist file not found at " + profile_dir +
                "\n\nHint: Have you opened the profile directory?")
            self.app_exit()
        self.current_showlist = ShowList()
        self.current_showlist.open_json(showlist_file)
        if float(self.current_showlist.sissue()) != float(self.editor_issue):
            self.mon.err(
                self, "Version of profile does not match Remote: " +
                self.editor_issue)
            self.app_exit()
        self.refresh_shows_display()

    def refresh_shows_display(self):
        self.shows_display.delete(0, self.shows_display.size())
        for index in range(self.current_showlist.length()):
            self.shows_display.insert(
                END,
                self.current_showlist.show(index)['title'] + "   [" +
                self.current_showlist.show(index)['show-ref'] + "]")
        if self.current_showlist.show_is_selected():
            self.shows_display.itemconfig(
                self.current_showlist.selected_show_index(), fg='red')
            self.shows_display.see(self.current_showlist.selected_show_index())

    def e_select_show(self, event):
        print 'select show', self.current_showlist.length()
        if self.current_showlist is not None and self.current_showlist.length(
        ) > 0:
            mouse_item_index = int(event.widget.curselection()[0])
            self.current_showlist.select(mouse_item_index)
            self.current_show_ref = self.current_showlist.selected_show(
            )['show-ref']
            self.refresh_shows_display()
        else:
            self.current_show_ref = ''


# ***************************************
#  OSC CONFIGURATION
# ***************************************

    def read_create_osc(self):
        if self.osc_config.read(self.osc_config_file) is False:
            self.osc_config.create(self.osc_config_file)
            eosc = OSCEditor(self.root, self.osc_config_file, 'remote',
                             'Create OSC Remote Configuration')
            self.osc_config.read(self.osc_config_file)

    def edit_osc(self):
        if self.osc_config.read(self.osc_config_file) is False:
            self.osc_config.create(self.osc_config_file)
        eosc = OSCEditor(self.root, self.osc_config_file, 'remote',
                         'Edit OSC Reomote Configuration')
コード例 #2
0
class OSCMonitor(object):
    def __init__(self):

        # get command options
        self.command_options = remote_options()

        # get directory holding the code
        self.pp_dir = sys.path[0]

        if not os.path.exists(self.pp_dir + os.sep + "pipresents.py"):
            tkinter.messagebox.showwarning("Pi Presents",
                                           "Bad Application Directory")
            exit()

        # Initialise logging
        Monitor.log_path = self.pp_dir
        self.mon = Monitor()
        self.mon.init()

        Monitor.classes = ['OSCMonitor', 'OSCConfig', 'OSCEditor']

        Monitor.log_level = int(self.command_options['debug'])

        self.mon.log(self, "Pi Presents Monitor is starting")
        self.mon.log(self, " OS and separator " + os.name + '  ' + os.sep)
        self.mon.log(self,
                     "sys.path[0] -  location of code: code " + sys.path[0])

        self.root = Tk()

        # initialise OSC config class
        self.osc_config = OSCConfig()

        # read the options and allow their editing
        self.osc_config_file = self.pp_dir + os.sep + 'pp_config' + os.sep + 'pp_oscmonitor.cfg'
        self.read_create_osc()

        if self.osc_config.slave_enabled != 'yes':
            self.mon.err(self, 'OSC Slave is not enabled in pp_oscmonitor.cfg')
            exit()

        #build gui
        self.setup_gui()

        # initialise
        self.init()

        #and start the system
        self.root.after(1000, self.run_app)
        self.root.mainloop()

    def init(self):
        self.desc.set('Listening for Commands from Master on: ' +
                      self.osc_config.this_unit_ip + ':' +
                      self.osc_config.listen_port)
        self.client = None
        self.server = None
        self.st = None

    def add_status(self, text):
        self.status_display.insert(END, text + '\n')
        self.status_display.see(END)

    def run_app(self):

        if self.osc_config.slave_enabled != 'yes':
            self.mon.err(self, 'Slave not enabled in oscmonitor.cfg')
            return

        if self.osc_config.this_unit_ip == '':
            self.mon.err(self,
                         'IP of own unit must be provided in oscmonitor.cfg')
            return

        if self.osc_config.listen_port == '':
            self.mon.err(self,
                         'Listen port must be provided in oscmonitor.cfg')
            return

        self.client = None
        self.server = None
        self.st = None

        # initialise OSC variables

        self.prefix = '/pipresents'
        self.this_unit = '/' + self.osc_config.this_unit_name
        self.add_status('this unit OSC address is: ' + self.this_unit)
        self.add_status('Listening for Commands from Master on: ' +
                        self.osc_config.this_unit_ip + ':' +
                        self.osc_config.listen_port)

        #connect client for replies then start server to listen for commands
        self.client = OSC.OSCClient()
        self.init_server(self.osc_config.this_unit_ip,
                         self.osc_config.listen_port, self.client)
        self.add_initial_handlers()
        self.start_server()

    # ***************************************
    # OSC CLIENT TO SEND REPLIES
    # ***************************************

    def disconnect_client(self):
        if self.client != None:
            self.client.close()
        return

    # ***************************************
    # OSC SERVER TO LISTEN TO COMMANDS
    # ***************************************

    def init_server(self, ip, port_text, client):
        self.mon.log(self, 'Init Server: ' + ip + ':' + port_text)
        self.server = myOSCServer((ip, int(port_text)), client)

    def start_server(self):
        self.st = threading.Thread(target=self.server.serve_forever)
        self.st.start()

    def close_server(self):
        if self.server != None:
            self.server.close()
        self.mon.log(self, 'Waiting for Server-thread to finish')
        if self.st != None:
            self.st.join()  ##!!!
        self.mon.log(self, 'server thread closed')

    def add_initial_handlers(self):
        pass
        self.server.addMsgHandler('default', self.no_match_handler)
        self.server.addMsgHandler(
            self.prefix + self.this_unit + "/system/server-info",
            self.server_info_handler)
        self.server.addMsgHandler(
            self.prefix + self.this_unit + "/system/loopback",
            self.loopback_handler)

    def no_match_handler(self, addr, tags, stuff, source):
        text = "Message from %s" % OSC.getUrlStr(source) + '\n'
        text += "     %s" % addr + self.pretty_list(stuff)
        self.add_status(text + '\n')

    def server_info_handler(self, addr, tags, stuff, source):
        # send a reply to the client.
        msg = OSC.OSCMessage(self.prefix + '/system/server-info-reply')
        msg.append(self.osc_config.this_unit_name)
        msg.append(self.server.getOSCAddressSpace())

        text = "Message from %s" % OSC.getUrlStr(source) + '\n'
        text += "     %s" % addr + self.pretty_list(stuff)
        self.add_status(text)
        self.add_status('Sent reply to Server Info request to %s:' %
                        OSC.getUrlStr(source) + '\n')
        return msg

    def loopback_handler(self, addr, tags, stuff, source):

        # send a reply to the client.
        msg = OSC.OSCMessage(self.prefix + '/system/loopback-reply')

        text = "Message from %s" % OSC.getUrlStr(source) + '\n'
        text += "     %s" % addr + self.pretty_list(stuff)
        self.add_status(text + '\n' + 'Sent reply to Loopback request to %s:' %
                        OSC.getUrlStr(source) + '\n')
        return msg

    def pretty_list(self, fields):
        text = ' '
        for field in fields:
            text += str(field) + ' '
        return text

    # ***************************************
    # INIT EXIT MISC
    # ***************************************

    def e_edit_osc(self):
        self.disconnect_client()
        self.close_server()
        self.edit_osc()
        self.read_create_osc()
        self.init()
        self.add_status('\n\n\nRESTART')
        self.run_app()

    def app_exit(self):
        self.disconnect_client()
        self.close_server()
        if self.root is not None:
            self.root.destroy()
        self.mon.finish()
        sys.exit()

    def show_help(self):
        tkinter.messagebox.showinfo("Help", "Read 'manual.pdf'")

    def about(self):
        tkinter.messagebox.showinfo(
            "About", "Simple Remote Monitor for Pi Presents\n" +
            "Author: Ken Thompson" +
            "\nWebsite: http://pipresents.wordpress.com/")

    def setup_gui(self):
        # set up the gui

        # root is the Tkinter root widget
        self.root.title("Remote Monitor for Pi Presents")

        # self.root.configure(background='grey')

        self.root.resizable(False, False)

        # define response to main window closing
        self.root.protocol("WM_DELETE_WINDOW", self.app_exit)

        # bind some display fields
        self.desc = StringVar()
        self.filename = StringVar()
        self.display_show = StringVar()
        self.results = StringVar()
        self.status = StringVar()

        # define menu
        menubar = Menu(self.root)

        osc_configmenu = Menu(menubar, tearoff=0, bg="grey", fg="black")
        menubar.add_cascade(label='Options', menu=osc_configmenu)
        osc_configmenu.add_command(label='Edit', command=self.e_edit_osc)

        helpmenu = Menu(menubar, tearoff=0, bg="grey", fg="black")
        menubar.add_cascade(label='Help', menu=helpmenu)
        helpmenu.add_command(label='Help', command=self.show_help)
        helpmenu.add_command(label='About', command=self.about)

        self.root.config(menu=menubar)

        # info frame
        info_frame = Frame(self.root, padx=5, pady=5)
        info_frame.pack(side=TOP, fill=BOTH, expand=1)
        info_name = Label(info_frame,
                          text="Slave Unit's Name: " +
                          self.osc_config.this_unit_name,
                          font="arial 12 bold")
        info_name.pack(side=TOP)
        info_this_address = Label(info_frame,
                                  textvariable=self.desc,
                                  font="arial 12 bold")
        info_this_address.pack(side=TOP)

        # status_frame
        status_frame = Frame(self.root, padx=5, pady=5)
        status_frame.pack(side=TOP, fill=BOTH, expand=1)
        status_label = Label(status_frame,
                             text="Status:",
                             font="arial 12 bold")
        status_label.pack(side=LEFT)
        scrollbar = Scrollbar(status_frame, orient=VERTICAL)
        self.status_display = Text(status_frame,
                                   height=20,
                                   yscrollcommand=scrollbar.set)
        scrollbar.config(command=self.status_display.yview)
        scrollbar.pack(side=RIGHT, fill=Y)
        self.status_display.pack(side=LEFT, fill=BOTH, expand=1)


# ***************************************
#  OSC CONFIGURATION
# ***************************************

    def read_create_osc(self):
        if self.osc_config.read(self.osc_config_file) is False:
            self.osc_config.create(self.osc_config_file, 'slave')
            eosc = OSCEditor(self.root, self.osc_config_file, 'slave',
                             'Create OSC Monitor Configuration')
            self.osc_config.read(self.osc_config_file)

    def edit_osc(self):
        if self.osc_config.read(self.osc_config_file) is False:
            self.osc_config.create(self.osc_config_file)
        eosc = OSCEditor(self.root, self.osc_config_file, 'slave',
                         'Edit OSC Monitor Configuration')
コード例 #3
0
class PiPresents(object):
    def pipresents_version(self):
        vitems = self.pipresents_issue.split('.')
        if len(vitems) == 2:
            # cope with 2 digit version numbers before 1.3.2
            return 1000 * int(vitems[0]) + 100 * int(vitems[1])
        else:
            return 1000 * int(vitems[0]) + 100 * int(vitems[1]) + int(
                vitems[2])

    def __init__(self):
        # gc.set_debug(gc.DEBUG_UNCOLLECTABLE|gc.DEBUG_INSTANCES|gc.DEBUG_OBJECTS|gc.DEBUG_SAVEALL)
        gc.set_debug(gc.DEBUG_UNCOLLECTABLE | gc.DEBUG_SAVEALL)
        self.pipresents_issue = "1.4.4"
        self.pipresents_minorissue = '1.4.4a'
        # position and size of window without -f command line option
        self.nonfull_window_width = 0.45  # proportion of width
        self.nonfull_window_height = 0.7  # proportion of height
        self.nonfull_window_x = 0  # position of top left corner
        self.nonfull_window_y = 0  # position of top left corner

        StopWatch.global_enable = False

        # set up the handler for SIGTERM
        signal.signal(signal.SIGTERM, self.handle_sigterm)

        # ****************************************
        # Initialisation
        # ***************************************
        # get command line options
        self.options = command_options()
        # print (self.options)

        # get Pi Presents code directory
        pp_dir = sys.path[0]
        self.pp_dir = pp_dir

        if not os.path.exists(pp_dir + "/pipresents.py"):
            if self.options['manager'] is False:
                tkinter.messagebox.showwarning("Pi Presents",
                                               "Bad Application Directory")
            exit(102)

        # Initialise logging and tracing
        Monitor.log_path = pp_dir
        self.mon = Monitor()
        # Init in PiPresents only
        self.mon.init()

        # uncomment to enable control of logging from within a class
        # Monitor.enable_in_code = True # enables control of log level in the code for a class  - self.mon.set_log_level()

        # make a shorter list to log/trace only some classes without using enable_in_code.
        Monitor.classes = [
            'PiPresents', 'HyperlinkShow', 'RadioButtonShow', 'ArtLiveShow',
            'ArtMediaShow', 'MediaShow', 'LiveShow', 'MenuShow', 'GapShow',
            'Show', 'ArtShow', 'AudioPlayer', 'BrowserPlayer', 'ImagePlayer',
            'MenuPlayer', 'MessagePlayer', 'VideoPlayer', 'Player',
            'MediaList', 'LiveList', 'ShowList', 'PathManager',
            'ControlsManager', 'ShowManager', 'PluginManager',
            'IOPluginManager', 'MplayerDriver', 'OMXDriver', 'UZBLDriver',
            'TimeOfDay', 'ScreenDriver', 'Animate', 'OSCDriver',
            'CounterManager', 'BeepsManager', 'Network', 'Mailer'
        ]

        # Monitor.classes=['PiPresents','MediaShow','GapShow','Show','VideoPlayer','Player','OMXDriver']
        # Monitor.classes=['OSCDriver']

        # get global log level from command line
        Monitor.log_level = int(self.options['debug'])
        Monitor.manager = self.options['manager']
        # print self.options['manager']
        self.mon.newline(3)
        self.mon.sched(
            self, None,
            "Pi Presents is starting, Version:" + self.pipresents_minorissue +
            ' at ' + time.strftime("%Y-%m-%d %H:%M.%S"))
        self.mon.log(
            self,
            "Pi Presents is starting, Version:" + self.pipresents_minorissue +
            ' at ' + time.strftime("%Y-%m-%d %H:%M.%S"))
        # self.mon.log (self," OS and separator:" + os.name +'  ' + os.sep)
        self.mon.log(self, "sys.path[0] -  location of code: " + sys.path[0])

        # log versions of Raspbian and omxplayer, and GPU Memory
        with open("/boot/issue.txt") as ifile:
            self.mon.log(self, '\nRaspbian: ' + ifile.read())

        self.mon.log(
            self,
            '\n' + check_output(["omxplayer", "-v"], universal_newlines=True))
        self.mon.log(
            self,
            '\nGPU Memory: ' + check_output(["vcgencmd", "get_mem", "gpu"],
                                            universal_newlines=True))

        if os.geteuid() == 0:
            print('Do not run Pi Presents with sudo')
            self.mon.log(self, 'Do not run Pi Presents with sudo')
            self.mon.finish()
            sys.exit(102)

        if "DESKTOP_SESSION" not in os.environ:
            print('Pi Presents must be run from the Desktop')
            self.mon.log(self, 'Pi Presents must be run from the Desktop')
            self.mon.finish()
            sys.exit(102)
        else:
            self.mon.log(self, 'Desktop is ' + os.environ['DESKTOP_SESSION'])

        # optional other classes used
        self.root = None
        self.ppio = None
        self.tod = None
        self.animate = None
        self.ioplugin_manager = None
        self.oscdriver = None
        self.osc_enabled = False
        self.tod_enabled = False
        self.email_enabled = False

        user = os.getenv('USER')

        if user is None:
            tkinter.messagebox.showwarning(
                "You must be logged in to run Pi Presents")
            exit(102)

        if user != 'pi':
            self.mon.warn(self, "You must be logged as pi to use GPIO")

        self.mon.log(self, 'User is: ' + user)
        # self.mon.log(self,"os.getenv('HOME') -  user home directory (not used): " + os.getenv('HOME')) # does not work
        # self.mon.log(self,"os.path.expanduser('~') -  user home directory: " + os.path.expanduser('~'))   # does not work

        # check network is available
        self.network_connected = False
        self.network_details = False
        self.interface = ''
        self.ip = ''
        self.unit = ''

        # sets self.network_connected and self.network_details
        self.init_network()

        # start the mailer and send email when PP starts
        self.email_enabled = False
        if self.network_connected is True:
            self.init_mailer()
            if self.email_enabled is True and self.mailer.email_at_start is True:
                subject = '[Pi Presents] ' + self.unit + ': PP Started on ' + time.strftime(
                    "%Y-%m-%d %H:%M")
                message = time.strftime(
                    "%Y-%m-%d %H:%M"
                ) + '\nUnit: ' + self.unit + '   Profile: ' + self.options[
                    'profile'] + '\n ' + self.interface + '\n ' + self.ip
                self.send_email('start', subject, message)

        # get profile path from -p option
        if self.options['profile'] != '':
            self.pp_profile_path = "/pp_profiles/" + self.options['profile']
        else:
            self.mon.err(self, "Profile not specified in command ")
            self.end('error',
                     'Profile not specified with the commands -p option')

    # get directory containing pp_home from the command,
        if self.options['home'] == "":
            home = os.sep + 'home' + os.sep + user + os.sep + "pp_home"
        else:
            home = self.options['home'] + os.sep + "pp_home"
        self.mon.log(self, "pp_home directory is: " + home)

        # check if pp_home exists.
        # try for 10 seconds to allow usb stick to automount
        found = False
        for i in range(1, 10):
            self.mon.log(self,
                         "Trying pp_home at: " + home + " (" + str(i) + ')')
            if os.path.exists(home):
                found = True
                self.pp_home = home
                break
            time.sleep(1)
        if found is True:
            self.mon.log(
                self,
                "Found Requested Home Directory, using pp_home at: " + home)
        else:
            self.mon.err(self, "Failed to find pp_home directory at " + home)
            self.end('error', "Failed to find pp_home directory at " + home)

        # check profile exists
        self.pp_profile = self.pp_home + self.pp_profile_path
        if os.path.exists(self.pp_profile):
            self.mon.sched(self, None,
                           "Running profile: " + self.pp_profile_path)
            self.mon.log(
                self, "Found Requested profile - pp_profile directory is: " +
                self.pp_profile)
        else:
            self.mon.err(
                self, "Failed to find requested profile: " + self.pp_profile)
            self.end('error',
                     "Failed to find requested profile: " + self.pp_profile)

        self.mon.start_stats(self.options['profile'])

        if self.options['verify'] is True:
            self.mon.err(self,
                         "Validation option not supported - use the editor")
            self.end('error',
                     'Validation option not supported - use the editor')

        # initialise and read the showlist in the profile
        self.showlist = ShowList()
        self.showlist_file = self.pp_profile + "/pp_showlist.json"
        if os.path.exists(self.showlist_file):
            self.showlist.open_json(self.showlist_file)
        else:
            self.mon.err(self, "showlist not found at " + self.showlist_file)
            self.end('error', "showlist not found at " + self.showlist_file)

        # check profile and Pi Presents issues are compatible
        if self.showlist.profile_version() != self.pipresents_version():
            self.mon.err(
                self,
                "Version of showlist " + self.showlist.profile_version_string +
                " is not  same as Pi Presents")
            self.end(
                'error',
                "Version of showlist " + self.showlist.profile_version_string +
                " is not  same as Pi Presents")

        # get the 'start' show from the showlist
        index = self.showlist.index_of_start_show()
        if index >= 0:
            self.showlist.select(index)
            self.starter_show = self.showlist.selected_show()
        else:
            self.mon.err(self, "Show [start] not found in showlist")
            self.end('error', "Show [start] not found in showlist")

# ********************
# SET UP THE GUI
# ********************
# turn off the screenblanking and saver
        if self.options['noblank'] is True:
            call(["xset", "s", "off"])
            call(["xset", "s", "-dpms"])

        # find connected displays and create a canvas for each display
        self.dm = DisplayManager()
        status, message, self.root = self.dm.init(self.options,
                                                  self.handle_user_abort)
        if status != 'normal':
            self.mon.err(self, message)
            self.end('error', message)

        self.mon.log(
            self,
            str(DisplayManager.num_displays) + ' Displays are connected:')

        for display_name in DisplayManager.display_map:
            status, message, display_id, canvas_obj = self.dm.id_of_canvas(
                display_name)
            if status != 'normal':
                continue
            width, height = self.dm.real_display_dimensions(display_id)
            self.mon.log(
                self, '   - ' + self.dm.name_of_display(display_id) + ' Id: ' +
                str(display_id) + ' ' + str(width) + '*' + str(height))
            canvas_obj.config(bg=self.starter_show['background-colour'])

# ****************************************
# INITIALISE THE TOUCHSCREEN DRIVER
# ****************************************

# each driver takes a set of inputs, binds them to symboic names
# and sets up a callback which returns the symbolic name when an input event occurs

        self.sr = ScreenDriver()
        # read the screen click area config file
        reason, message = self.sr.read(pp_dir, self.pp_home, self.pp_profile)
        if reason == 'error':
            self.end('error', 'cannot find, or error in screen.cfg')

        # create click areas on the canvases, must be polygon as outline rectangles are not filled as far as find_closest goes
        reason, message = self.sr.make_click_areas(self.handle_input_event)
        if reason == 'error':
            self.mon.err(self, message)
            self.end('error', message)

# ****************************************
# INITIALISE THE APPLICATION AND START
# ****************************************
        self.shutdown_required = False
        self.reboot_required = False
        self.terminate_required = False
        self.exitpipresents_required = False

        # initialise the Beeps Manager
        self.beepsmanager = BeepsManager()
        self.beepsmanager.init(self.pp_home, self.pp_profile)

        # initialise the I/O plugins by importing their drivers
        self.ioplugin_manager = IOPluginManager()
        reason, message = self.ioplugin_manager.init(self.pp_dir,
                                                     self.pp_profile,
                                                     self.root,
                                                     self.handle_input_event,
                                                     self.pp_home)
        if reason == 'error':
            # self.mon.err(self,message)
            self.end('error', message)

        # kick off animation sequencer
        self.animate = Animate()
        self.animate.init(pp_dir, self.pp_home, self.pp_profile, self.root,
                          200, self.handle_output_event)
        self.animate.poll()

        #create a showmanager ready for time of day scheduler and osc server
        show_id = -1
        self.show_manager = ShowManager(show_id, self.showlist,
                                        self.starter_show, self.root,
                                        self.pp_dir, self.pp_profile,
                                        self.pp_home)
        # first time through set callback to terminate Pi Presents if all shows have ended.
        self.show_manager.init(self.all_shows_ended_callback,
                               self.handle_command, self.showlist)
        # Register all the shows in the showlist
        reason, message = self.show_manager.register_shows()
        if reason == 'error':
            self.mon.err(self, message)
            self.end('error', message)

        # Init OSCDriver, read config and start OSC server
        self.osc_enabled = False
        if self.network_connected is True:
            if os.path.exists(self.pp_profile + os.sep + 'pp_io_config' +
                              os.sep + 'osc.cfg'):
                self.oscdriver = OSCDriver()
                reason, message = self.oscdriver.init(
                    self.pp_profile, self.unit, self.interface, self.ip,
                    self.handle_command, self.handle_input_event,
                    self.e_osc_handle_animate)
                if reason == 'error':
                    self.mon.err(self, message)
                    self.end('error', message)
                else:
                    self.osc_enabled = True
                    self.root.after(1000, self.oscdriver.start_server())

        # initialise ToD scheduler calculating schedule for today
        self.tod = TimeOfDay()
        reason, message, self.tod_enabled = self.tod.init(
            pp_dir, self.pp_home, self.pp_profile, self.showlist, self.root,
            self.handle_command)
        if reason == 'error':
            self.mon.err(self, message)
            self.end('error', message)

        # warn if the network not available when ToD required
        if self.tod_enabled is True and self.network_connected is False:
            self.mon.warn(
                self,
                'Network not connected  so Time of Day scheduler may be using the internal clock'
            )

        # init the counter manager
        self.counter_manager = CounterManager()
        if self.starter_show['counters-store'] == 'yes':
            store_enable = True
        else:
            store_enable = False
        reason, message = self.counter_manager.init(
            self.pp_profile + '/counters.cfg', store_enable,
            self.options['loadcounters'],
            self.starter_show['counters-initial'])
        if reason == 'error':
            self.mon.err(self, message)
            self.end('error', message)

        # warn about start shows and scheduler

        if self.starter_show['start-show'] == '' and self.tod_enabled is False:
            self.mon.sched(
                self, None,
                "No Start Shows in Start Show and no shows scheduled")
            self.mon.warn(
                self, "No Start Shows in Start Show and no shows scheduled")

        if self.starter_show['start-show'] != '' and self.tod_enabled is True:
            self.mon.sched(
                self, None,
                "Start Shows in Start Show and shows scheduled - conflict?")
            self.mon.warn(
                self,
                "Start Shows in Start Show and shows scheduled - conflict?")

        # run the start shows
        self.run_start_shows()

        # kick off the time of day scheduler which may run additional shows
        if self.tod_enabled is True:
            self.tod.poll()

        # start the I/O plugins input event generation
        self.ioplugin_manager.start()

        # start Tkinters event loop
        self.root.mainloop()

# *********************
#  RUN START SHOWS
# ********************

    def run_start_shows(self):
        self.mon.trace(self, 'run start shows')
        # parse the start shows field and start the initial shows
        show_refs = self.starter_show['start-show'].split()
        for show_ref in show_refs:
            reason, message = self.show_manager.control_a_show(
                show_ref, 'open')
            if reason == 'error':
                self.mon.err(self, message)

# *********************
# User inputs
# ********************

    def e_osc_handle_animate(self, line):
        #jump  out of server thread
        self.root.after(1, lambda arg=line: self.osc_handle_animate(arg))

    def osc_handle_animate(self, line):
        self.mon.log(self, "animate command received: " + line)
        #osc sends output events as a string
        reason, message, delay, name, param_type, param_values = self.animate.parse_animate_fields(
            line)
        if reason == 'error':
            self.mon.err(self, message)
            self.end(reason, message)
        self.handle_output_event(name, param_type, param_values, 0)

    # output events are animate commands
    def handle_output_event(self, symbol, param_type, param_values, req_time):
        reason, message = self.ioplugin_manager.handle_output_event(
            symbol, param_type, param_values, req_time)
        if reason == 'error':
            self.mon.err(self, message)
            self.end(reason, message)

    # all input events call this callback providing a symbolic name.
    # handle events that affect PP overall, otherwise pass to all active shows
    def handle_input_event(self, symbol, source):
        self.mon.log(self, "event received: " + symbol + ' from ' + source)
        if symbol == 'pp-terminate':
            self.handle_user_abort()

        elif symbol == 'pp-shutdown':
            self.mon.err(
                self,
                'pp-shutdown removed in version 1.3.3a, see Release Notes')
            self.end(
                'error',
                'pp-shutdown removed in version 1.3.3a, see Release Notes')

        elif symbol == 'pp-shutdownnow':
            # need root.after to grt out of st thread
            self.root.after(1, self.shutdownnow_pressed)
            return

        elif symbol == 'pp-exitpipresents':
            self.exitpipresents_required = True
            if self.show_manager.all_shows_exited() is True:
                # need root.after to grt out of st thread
                self.root.after(1, self.e_all_shows_ended_callback)
                return
            reason, message = self.show_manager.exit_all_shows()
        else:
            # pass the input event to all registered shows
            for show in self.show_manager.shows:
                show_obj = show[ShowManager.SHOW_OBJ]
                if show_obj is not None:
                    show_obj.handle_input_event(symbol)

    # commands are generated by tracks and shows
    # they can open or close shows, generate input events and do special tasks
    # commands also generate osc outputs to other computers
    # handles one command provided as a line of text

    def handle_command(self, command_text, source='', show=''):
        # print 'PIPRESENTS ',command_text,'\n   Source',source,'from',show
        self.mon.log(self, "command received: " + command_text)
        if command_text.strip() == "":
            return

        fields = command_text.split()

        if fields[0] in ('osc', 'OSC'):
            if self.osc_enabled is True:
                status, message = self.oscdriver.parse_osc_command(fields[1:])
                if status == 'warn':
                    self.mon.warn(self, message)
                if status == 'error':
                    self.mon.err(self, message)
                    self.end('error', message)
                return
            else:
                return

        if fields[0] == 'counter':
            status, message = self.counter_manager.parse_counter_command(
                fields[1:])
            if status == 'error':
                self.mon.err(self, message)
                self.end('error', message)
            return

        if fields[0] == 'beep':
            # cheat, field 0 will always be beep
            message, fields = self.beepsmanager.parse_beep(command_text)
            if message != '':
                self.mon.err(self, message)
                self.end('error', message)
                return
            location = self.beepsmanager.complete_path(fields[1])
            if not os.path.exists(location):
                message = 'Beep file does not exist: ' + location
                self.mon.err(self, message)
                self.end('error', message)
                return
            else:
                self.beepsmanager.do_beep(location)
            return

        show_command = fields[0]
        if len(fields) > 1:
            show_ref = fields[1]
        else:
            show_ref = ''
        if show_command in ('open', 'close', 'closeall', 'openexclusive'):
            self.mon.sched(self, TimeOfDay.now,
                           command_text + ' received from show:' + show)
            if self.shutdown_required is False and self.terminate_required is False:
                reason, message = self.show_manager.control_a_show(
                    show_ref, show_command)
            else:
                return

        elif show_command == 'monitor':
            self.handle_monitor_command(show_ref)
            return

        elif show_command == 'cec':
            self.handle_cec_command(show_ref)
            return

        elif show_command == 'event':
            self.handle_input_event(show_ref, 'Show Control')
            return

        elif show_command == 'exitpipresents':
            self.exitpipresents_required = True
            if self.show_manager.all_shows_exited() is True:
                # need root.after to get out of st thread
                self.root.after(1, self.e_all_shows_ended_callback)
                return
            else:
                reason, message = self.show_manager.exit_all_shows()

        elif show_command == 'shutdownnow':
            # need root.after to get out of st thread
            self.root.after(1, self.shutdownnow_pressed)
            return

        elif show_command == 'reboot':
            # need root.after to get out of st thread
            self.root.after(1, self.reboot_pressed)
            return

        else:
            reason = 'error'
            message = 'command not recognised: ' + show_command

        if reason == 'error':
            self.mon.err(self, message)
        return

    def handle_monitor_command(self, command):
        if command == 'on':
            os.system('vcgencmd display_power 1 >/dev/null')
        elif command == 'off':
            os.system('vcgencmd display_power 0 >/dev/null')

    def handle_cec_command(self, command):
        if command == 'on':
            os.system('echo "on 0" | cec-client -s')
        elif command == 'standby':
            os.system('echo "standby 0" | cec-client -s')

        elif command == 'scan':
            os.system('echo scan | cec-client -s -d 1')

    # deal with differnt commands/input events

    def shutdownnow_pressed(self):
        self.shutdown_required = True
        if self.show_manager.all_shows_exited() is True:
            self.all_shows_ended_callback('normal', 'no shows running')
        else:
            # calls exit method of all shows, results in all_shows_closed_callback
            self.show_manager.exit_all_shows()

    def reboot_pressed(self):
        self.reboot_required = True
        if self.show_manager.all_shows_exited() is True:
            self.all_shows_ended_callback('normal', 'no shows running')
        else:
            # calls exit method of all shows, results in all_shows_closed_callback
            self.show_manager.exit_all_shows()

    def handle_sigterm(self, signum, fframe):
        self.mon.log(self, 'SIGTERM received - ' + str(signum))
        self.terminate()

    def handle_user_abort(self):
        self.mon.log(self, 'User abort received')
        self.terminate()

    def terminate(self):
        self.mon.log(self, "terminate received")
        self.terminate_required = True
        needs_termination = False
        for show in self.show_manager.shows:
            # print  show[ShowManager.SHOW_OBJ], show[ShowManager.SHOW_REF]
            if show[ShowManager.SHOW_OBJ] is not None:
                needs_termination = True
                self.mon.log(
                    self,
                    "Sent terminate to show " + show[ShowManager.SHOW_REF])
                # call shows terminate method
                # eventually the show will exit and after all shows have exited all_shows_callback will be executed.
                show[ShowManager.SHOW_OBJ].terminate()
        if needs_termination is False:
            self.end('killed', 'killed - no termination of shows required')

# ******************************
# Ending Pi Presents after all the showers and players are closed
# **************************

    def e_all_shows_ended_callback(self):
        self.all_shows_ended_callback('normal', 'no shows running')

    # callback from ShowManager when all shows have ended
    def all_shows_ended_callback(self, reason, message):
        for display_name in DisplayManager.display_map:
            status, message, display_id, canvas_obj = self.dm.id_of_canvas(
                display_name)
            if status != 'normal':
                continue
            canvas_obj.config(bg=self.starter_show['background-colour'])
        if reason in (
                'killed', 'error'
        ) or self.shutdown_required is True or self.exitpipresents_required is True or self.reboot_required is True:
            self.end(reason, message)

    def end(self, reason, message):
        self.mon.log(self, "Pi Presents ending with reason: " + reason)
        if self.root is not None:
            self.root.destroy()
        self.tidy_up()
        if reason == 'killed':
            if self.email_enabled is True and self.mailer.email_on_terminate is True:
                subject = '[Pi Presents] ' + self.unit + ': PP Exited with reason: Terminated'
                message = time.strftime(
                    "%Y-%m-%d %H:%M"
                ) + '\n ' + self.unit + '\n ' + self.interface + '\n ' + self.ip
                self.send_email(reason, subject, message)
            self.mon.sched(self, None, "Pi Presents Terminated, au revoir\n")
            self.mon.log(self, "Pi Presents Terminated, au revoir")

            # close logging files
            self.mon.finish()
            print('Uncollectable Garbage', gc.collect())
            # objgraph.show_backrefs(objgraph.by_type('Canvas'),filename='backrefs.png')
            sys.exit(101)

        elif reason == 'error':
            if self.email_enabled is True and self.mailer.email_on_error is True:
                subject = '[Pi Presents] ' + self.unit + ': PP Exited with reason: Error'
                message_text = 'Error message: ' + message + '\n' + time.strftime(
                    "%Y-%m-%d %H:%M"
                ) + '\n ' + self.unit + '\n ' + self.interface + '\n ' + self.ip
                self.send_email(reason, subject, message_text)
            self.mon.sched(self, None,
                           "Pi Presents closing because of error, sorry\n")
            self.mon.log(self, "Pi Presents closing because of error, sorry")

            # close logging files
            self.mon.finish()
            print('uncollectable garbage', gc.collect())
            sys.exit(102)

        else:
            self.mon.sched(self, None, "Pi Presents  exiting normally, bye\n")
            self.mon.log(self, "Pi Presents  exiting normally, bye")

            # close logging files
            self.mon.finish()
            if self.reboot_required is True:
                # print 'REBOOT'
                call(['sudo', 'reboot'])
            if self.shutdown_required is True:
                # print 'SHUTDOWN'
                call(['sudo', 'shutdown', 'now', 'SHUTTING DOWN'])
            print('uncollectable garbage', gc.collect())
            sys.exit(100)

    # tidy up all the peripheral bits of Pi Presents
    def tidy_up(self):
        self.handle_monitor_command('on')
        self.mon.log(self, "Tidying Up")
        # turn screen blanking back on
        if self.options['noblank'] is True:
            call(["xset", "s", "on"])
            call(["xset", "s", "+dpms"])

        # tidy up animation
        if self.animate is not None:
            self.animate.terminate()

        # tidy up i/o plugins
        if self.ioplugin_manager != None:
            self.ioplugin_manager.terminate()

        if self.osc_enabled is True:
            self.oscdriver.terminate()

        # tidy up time of day scheduler
        if self.tod_enabled is True:
            self.tod.terminate()


# *******************************
# Connecting to network and email
# *******************************

    def init_network(self):

        timeout = int(self.options['nonetwork'])
        if timeout == 0:
            self.network_connected = False
            self.unit = ''
            self.ip = ''
            self.interface = ''
            return

        self.network = Network()
        self.network_connected = False

        # try to connect to network
        self.mon.log(self,
                     'Waiting up to ' + str(timeout) + ' seconds for network')
        success = self.network.wait_for_network(timeout)
        if success is False:
            self.mon.warn(
                self, 'Failed to connect to network after ' + str(timeout) +
                ' seconds')
            # tkMessageBox.showwarning("Pi Presents","Failed to connect to network so using fake-hwclock")
            return

        self.network_connected = True
        self.mon.sched(
            self, None, 'Time after network check is ' +
            time.strftime("%Y-%m-%d %H:%M.%S"))
        self.mon.log(
            self, 'Time after network check is ' +
            time.strftime("%Y-%m-%d %H:%M.%S"))

        # Get web configuration
        self.network_details = False
        network_options_file_path = self.pp_dir + os.sep + 'pp_config' + os.sep + 'pp_web.cfg'
        if not os.path.exists(network_options_file_path):
            self.mon.warn(
                self, "pp_web.cfg not found at " + network_options_file_path)
            return
        self.mon.log(self, 'Found pp_web.cfg in ' + network_options_file_path)

        self.network.read_config(network_options_file_path)
        self.unit = self.network.unit

        # get interface and IP details of preferred interface
        self.interface, self.ip = self.network.get_preferred_ip()
        if self.interface == '':
            self.network_connected = False
            return
        self.network_details = True
        self.mon.log(
            self, 'Network details ' + self.unit + ' ' + self.interface + ' ' +
            self.ip)

    def init_mailer(self):

        self.email_enabled = False
        email_file_path = self.pp_dir + os.sep + 'pp_config' + os.sep + 'pp_email.cfg'
        if not os.path.exists(email_file_path):
            self.mon.log(self, 'pp_email.cfg not found at ' + email_file_path)
            return
        self.mon.log(self, 'Found pp_email.cfg at ' + email_file_path)
        self.mailer = Mailer()
        self.mailer.read_config(email_file_path)
        # all Ok so can enable email if config file allows it.
        if self.mailer.email_allowed is True:
            self.email_enabled = True
            self.mon.log(self, 'Email Enabled')

    def try_connect(self):
        tries = 1
        while True:
            success, error = self.mailer.connect()
            if success is True:
                return True
            else:
                self.mon.log(
                    self, 'Failed to connect to email SMTP server ' +
                    str(tries) + '\n ' + str(error))
                tries += 1
                if tries > 5:
                    self.mon.log(
                        self, 'Failed to connect to email SMTP server after ' +
                        str(tries))
                    return False

    def send_email(self, reason, subject, message):
        if self.try_connect() is False:
            return False
        else:
            success, error = self.mailer.send(subject, message)
            if success is False:
                self.mon.log(self, 'Failed to send email: ' + str(error))
                success, error = self.mailer.disconnect()
                if success is False:
                    self.mon.log(self,
                                 'Failed disconnect after send:' + str(error))
                return False
            else:
                self.mon.log(self, 'Sent email for ' + reason)
                success, error = self.mailer.disconnect()
                if success is False:
                    self.mon.log(
                        self,
                        'Failed disconnect from email server ' + str(error))
                return True
コード例 #4
0
class PiPresents:

    def __init__(self):
        
        self.pipresents_issue="1.2"
        self.nonfull_window_width = 0.6 # proportion of width
        self.nonfull_window_height= 0.6 # proportion of height
        self.nonfull_window_x = 0 # position of top left corner
        self.nonfull_window_y=0   # position of top left corner
        
        StopWatch.global_enable=False

#****************************************
# Initialisation
# ***************************************
        # get command line options
        self.options=command_options()

        # get pi presents code directory
        pp_dir=sys.path[0]
        self.pp_dir=pp_dir
        
        if not os.path.exists(pp_dir+"/pipresents.py"):
            tkMessageBox.showwarning("Pi Presents","Bad Application Directory")
            exit()

        
        #Initialise logging
        Monitor.log_path=pp_dir
        self.mon=Monitor()
        self.mon.on()
        if self.options['debug']==True:
            Monitor.global_enable=True
        else:
            Monitor.global_enable=False
 
        self.mon.log (self, "Pi Presents is starting")
        self.mon.log (self," OS and separator:" + os.name +'  ' + os.sep)
        self.mon.log(self,"sys.path[0] -  location of code: "+sys.path[0])
        # self.mon.log(self,"os.getenv('HOME') -  user home directory (not used): " + os.getenv('HOME'))
        # self.mon.log(self,"os.path.expanduser('~') -  user home directory: " + os.path.expanduser('~'))

        # optional other classes used
        self.ppio=None
        self.tod=None
         
        #get profile path from -p option
        if self.options['profile']<>"":
            self.pp_profile_path="/pp_profiles/"+self.options['profile']
        else:
            self.pp_profile_path = "/pp_profiles/pp_profile"
        
       #get directory containing pp_home from the command,
        if self.options['home'] =="":
            home = os.path.expanduser('~')+ os.sep+"pp_home"
        else:
            home = self.options['home'] + os.sep+ "pp_home"         
        self.mon.log(self,"pp_home directory is: " + home)
        
        #check if pp_home exists.
        # try for 10 seconds to allow usb stick to automount
        # fall back to pipresents/pp_home
        self.pp_home=pp_dir+"/pp_home"
        found=False
        for i in range (1, 10):
            self.mon.log(self,"Trying pp_home at: " + home +  " (" + str(i)+')')
            if os.path.exists(home):
                found=True
                self.pp_home=home
                break
            time.sleep (1)
        if found==True:
            self.mon.log(self,"Found Requested Home Directory, using pp_home at: " + home)
        else:    
            self.mon.log(self,"FAILED to find requested home directory, using default to display error message: " + self.pp_home)


        #check profile exists, if not default to error profile inside pipresents
        self.pp_profile=self.pp_home+self.pp_profile_path
        if os.path.exists(self.pp_profile):
            self.mon.log(self,"Found Requested profile - pp_profile directory is: " + self.pp_profile)
        else:
            self.pp_profile=pp_dir+"/pp_home/pp_profiles/pp_profile"   
            self.mon.log(self,"FAILED to find requested profile, using default to display error message: pp_profile")
        
        if self.options['verify']==True:
            val =Validator()
            if  val.validate_profile(None,pp_dir,self.pp_home,self.pp_profile,self.pipresents_issue,False) == False:
                tkMessageBox.showwarning("Pi Presents","Validation Failed")
                exit()
                
        # open the resources
        self.rr=ResourceReader()
        # read the file, done once for all the other classes to use.
        if self.rr.read(pp_dir,self.pp_home,self.pp_profile)==False:
            self.end('error','cannot find resources.cfg')            

        #initialise and read the showlist in the profile
        self.showlist=ShowList()
        self.showlist_file= self.pp_profile+ "/pp_showlist.json"
        if os.path.exists(self.showlist_file):
            self.showlist.open_json(self.showlist_file)
        else:
            self.mon.err(self,"showlist not found at "+self.showlist_file)
            self.end('error','showlist not found')

        # check profile and Pi Presents issues are compatible
        if float(self.showlist.sissue())<>float(self.pipresents_issue):
            self.mon.err(self,"Version of profile " + self.showlist.sissue() + " is not  same as Pi Presents, must exit")
            self.end('error','wrong version of profile')
 
        # get the 'start' show from the showlist
        index = self.showlist.index_of_show('start')
        if index >=0:
            self.showlist.select(index)
            self.starter_show=self.showlist.selected_show()
        else:
            self.mon.err(self,"Show [start] not found in showlist")
            self.end('error','start show not found')

        
# ********************
# SET UP THE GUI
# ********************
        #turn off the screenblanking and saver
        if self.options['noblank']==True:
            call(["xset","s", "off"])
            call(["xset","s", "-dpms"])

        self.root=Tk()   
       
        self.title='Pi Presents - '+ self.pp_profile
        self.icon_text= 'Pi Presents'
        self.root.title(self.title)
        self.root.iconname(self.icon_text)
        self.root.config(bg='black')
        
        # get size of the screen
        self.screen_width = self.root.winfo_screenwidth()
        self.screen_height = self.root.winfo_screenheight()

        # set window dimensions and decorations
        if self.options['fullscreen']==True:

            self.root.attributes('-fullscreen', True)
            os.system('unclutter &')
            self.window_width=self.screen_width
            self.window_height=self.screen_height
            self.window_x=0
            self.window_y=0  
            self.root.geometry("%dx%d%+d%+d"  % (self.window_width,self.window_height,self.window_x,self.window_y))
            self.root.attributes('-zoomed','1')
        else:
            self.window_width=int(self.screen_width*self.nonfull_window_width)
            self.window_height=int(self.screen_height*self.nonfull_window_height)
            self.window_x=self.nonfull_window_x
            self.window_y=self.nonfull_window_y
            self.root.geometry("%dx%d%+d%+d" % (self.window_width,self.window_height,self.window_x,self.window_y))

            
        #canvas covers the whole window
        self.canvas_height=self.screen_height
        self.canvas_width=self.screen_width
        
        # make sure focus is set.
        self.root.focus_set()

        #define response to main window closing.
        self.root.protocol ("WM_DELETE_WINDOW", self.exit_pressed)

        #setup a canvas onto which will be drawn the images or text
        self.canvas = Canvas(self.root, bg='black')

        self.canvas.config(height=self.canvas_height,
                                       width=self.canvas_width,
                                       highlightthickness=0)
        # self.canvas.pack()
        self.canvas.place(x=0,y=0)

        self.canvas.focus_set()

                
# ****************************************
# INITIALISE THE INPUT DRIVERS
# ****************************************

        # looks after bindings between symbolic names and internal operations
        controlsmanager=ControlsManager()
        if controlsmanager.read(pp_dir,self.pp_home,self.pp_profile)==False:
                self.end('error','cannot find or error in controls.cfg.cfg')
        else:
            controlsmanager.parse_defaults()

        # each driver takes a set of inputs, binds them to symboic names
        # and sets up a callback which returns the symbolic name when an input event occurs/

        # use keyboard driver to bind keys to symbolic names and to set up callback
        kbd=KbdDriver()
        if kbd.read(pp_dir,self.pp_home,self.pp_profile)==False:
                self.end('error','cannot find or error in keys.cfg')
        kbd.bind_keys(self.root,self.input_pressed)

        self.sr=ScreenDriver()
        # read the screen click area config file
        if self.sr.read(pp_dir,self.pp_home,self.pp_profile)==False:
            self.end('error','cannot find screen.cfg')

        # create click areas on the canvas, must be polygon as outline rectangles are not filled as far as find_closest goes
        reason,message = self.sr.make_click_areas(self.canvas,self.input_pressed)
        if reason=='error':
            self.mon.err(self,message)
            self.end('error',message)


# ****************************************
# INITIALISE THE APPLICATION AND START
# ****************************************
        self.shutdown_required=False
        
        #kick off GPIO if enabled by command line option
        if self.options['gpio']==True:
            from pp_gpio import PPIO
            # initialise the GPIO
            self.ppio=PPIO()
            # PPIO.gpio_enabled=False
            if self.ppio.init(pp_dir,self.pp_home,self.pp_profile,self.canvas,50,self.gpio_pressed)==False:
                self.end('error','gpio error')
                
            # and start polling gpio
            self.ppio.poll()

        #kick off the time of day scheduler
        self.tod=TimeOfDay()
        self.tod.init(pp_dir,self.pp_home,self.canvas,500)
        self.tod.poll()


        # Create list of start shows initialise them and then run them
        self.run_start_shows()

        #start tkinter
        self.root.mainloop( )



# *********************
#  RUN START SHOWS
# ********************   
    def run_start_shows(self):
        #start show manager
        show_id=-1 #start show
        self.show_manager=ShowManager(show_id,self.showlist,self.starter_show,self.root,self.canvas,self.pp_dir,self.pp_profile,self.pp_home)
        
        #first time through so empty show register and set callback to terminate Pi Presents if all shows have ended.
        self.show_manager.init(self.all_shows_ended_callback)

        #parse the start shows field and start the initial shows       
        start_shows_text=self.starter_show['start-show']
        self.show_manager.start_initial_shows(start_shows_text)

    #callback from ShowManager when all shows have ended
    def all_shows_ended_callback(self,reason,message,force_shutdown):
        self.mon.log(self,"All shows ended, so terminate Pi Presents")
        if force_shutdown==True:
            self.shutdown_required=True
            self.mon.log(self,"shutdown forced by profile")  
            self.terminate('killed')
        else:
            self.end(reason,message)


# *********************
# User inputs
# ********************

    #gpio callback - symbol provided by gpio
    def gpio_pressed(self,index,symbol,edge):
        self.mon.log(self, "GPIO Pressed: "+ symbol)
        self.input_pressed(symbol,edge,'gpio')


    
    # all input events call this callback with a symbolic name.              
    def input_pressed(self,symbol,edge,source):
        self.mon.log(self,"input received: "+symbol)
        if symbol=='pp-exit':
            self.exit_pressed()
        elif symbol=='pp-shutdown':
            self.shutdown_pressed('delay')
        elif symbol=='pp-shutdownnow':
            self.shutdown_pressed('now')
        else:
            for show in self.show_manager.shows:
                show_obj=show[ShowManager.SHOW_OBJ]
                if show_obj<>None:
                    show_obj.input_pressed(symbol,edge,source)


# **************************************
# respond to exit inputs by terminating
# **************************************

    def shutdown_pressed(self, when):
        if when=='delay':
            self.root.after(5000,self.on_shutdown_delay)
        else:
            self.shutdown_required=True
            self.exit_pressed()           

    def on_shutdown_delay(self):
        if self.ppio.shutdown_pressed():
            self.shutdown_required=True
            self.exit_pressed()

         
    def exit_pressed(self):
        self.mon.log(self, "kill received from user")
        #terminate any running shows and players     
        self.mon.log(self,"kill sent to shows")   
        self.terminate('killed')


     # kill or error
    def terminate(self,reason):
        needs_termination=False
        for show in self.show_manager.shows:
            if show[ShowManager.SHOW_OBJ]<>None:
                needs_termination=True
                self.mon.log(self,"Sent terminate to show "+ show[ShowManager.SHOW_REF])
                show[ShowManager.SHOW_OBJ].terminate(reason)
        if needs_termination==False:
            self.end(reason,'terminate - no termination of lower levels required')


# ******************************
# Ending Pi Presents after all the showers and players are closed
# **************************

    def end(self,reason,message):
        self.mon.log(self,"Pi Presents ending with message: " + reason + ' ' + message)
        if reason=='error':
            self.tidy_up()
            self.mon.log(self, "exiting because of error")
            #close logging files 
            self.mon.finish()
            exit()            
        else:
            self.tidy_up()
            self.mon.log(self,"no error - exiting normally")
            #close logging files 
            self.mon.finish()
            if self.shutdown_required==True:
                call(['sudo', 'shutdown', '-h', '-t 5','now'])
                exit()
            else:
                exit()


    
    # tidy up all the peripheral bits of Pi Presents
    def tidy_up(self):
        #turn screen blanking back on
        if self.options['noblank']==True:
            call(["xset","s", "on"])
            call(["xset","s", "+dpms"])
            
        # tidy up gpio
        if self.options['gpio']==True and self.ppio<>None:
            self.ppio.terminate()
            
        #tidy up time of day scheduler
        if self.tod<>None:
            self.tod.terminate()



# *****************************
# utilitities
# ****************************

    def resource(self,section,item):
        value=self.rr.get(section,item)
        if value==False:
            self.mon.err(self, "resource: "+section +': '+ item + " not found" )
            self.terminate("error")
        else:
            return value
コード例 #5
0
class PiPresents:
    def __init__(self):
        
        self.pipresents_issue="1.1"
        
        StopWatch.global_enable=False

#****************************************
# INTERPRET COMMAND LINE
# ***************************************

        self.options=command_options()
        

        pp_dir=sys.path[0]
        
        if not os.path.exists(pp_dir+"/pipresents.py"):
            tkMessageBox.showwarning("Pi Presents","Bad Application Directory")
            exit()

        
        #Initialise logging
        Monitor.log_path=pp_dir
        self.mon=Monitor()
        self.mon.on()
        if self.options['debug']==True:
            Monitor.global_enable=True
        else:
            Monitor.global_enable=False
 
        self.mon.log (self, "Pi Presents is starting")
        
        #self.show=None
        
        # create  profile  for pp_editor test files if already not there.
        if not os.path.exists(pp_dir+"/pp_home/pp_profiles/pp_editor"):
            self.mon.log(self,"Making pp_editor directory") 
            os.makedirs(pp_dir+"/pp_home/pp_profiles/pp_editor")
            
            
        #profile path from -p option
        if self.options['profile']<>"":
            self.pp_profile_path="/pp_profiles/"+self.options['profile']
        else:
            self.pp_profile_path = "/pp_profiles/pp_profile"
        
       #get directory containing pp_home from the command,
        if self.options['home'] =="":
            home = os.path.expanduser('~')+ os.sep+"pp_home"
        else:
            home = self.options['home'] + os.sep+ "pp_home"
                   
        #check if pp_home exists.
        # try for 10 seconds to allow usb stick to automount
        # fall back to pipresents/pp_home
        self.pp_home=pp_dir+"/pp_home"
        for i in range (1, 10):
            self.mon.log(self,"Trying pp_home at: " + home +  " " + str(i))
            if os.path.exists(home):
                self.mon.log(self,"Using pp_home at: " + home)
                self.pp_home=home
                break
            time.sleep (1)

        #check profile exists, if not default to error profile inside pipresents
        self.pp_profile=self.pp_home+self.pp_profile_path
        if not os.path.exists(self.pp_profile):
            self.pp_profile=pp_dir+"/pp_home/pp_profiles/pp_profile"

        if self.options['verify']==True:
            val =Validator()
            if  val.validate_profile(None,self.pp_home,self.pp_profile,self.pipresents_issue,False) == False:
                tkMessageBox.showwarning("Pi Presents","Validation Failed")
                exit()
                
        # open the resources
        self.rr=ResourceReader()
        # read the file, done once for all the other classes to use.
        self.rr.read(pp_dir,self.pp_home)

        
        #initialise the showlists and read the showlists
        self.showlist=ShowList()
        self.showlist_file= self.pp_profile+ "/pp_showlist.json"
        if os.path.exists(self.showlist_file):
            self.showlist.open_json(self.showlist_file)
        else:
            self.mon.err(self,"showlist not found at "+self.showlist_file)
            self._end('error','showlist not found')

        if float(self.showlist.sissue())<>float(self.pipresents_issue):
            self.mon.err(self,"Version of profile " + self.showlist.sissue() + " is not  same as Pi Presents, must exit")
            self._end('error','wrong version of profile')
 
        # get the starter show from the showlist
        index = self.showlist.index_of_show('start')
        if index >=0:
            self.showlist.select(index)
            self.starter_show=self.showlist.selected_show()
        else:
            self.mon.err(self,"Show [start] not found in showlist")
            self._end('error','start show not found')
            
# ********************
# SET UP THE GUI
# ********************

        #turn off the screenblanking and saver
        if self.options['noblank']==True:
            call(["xset","s", "off"])
            call(["xset","s", "-dpms"])

        # control display of window decorations
        if self.options['fullscreen']<>"partial":
            self.root = Tk(className="fspipresents")
            os.system('unclutter &')
        else:
              self.root = Tk(className="pipresents")          


        self.title='Pi Presents - '+ self.pp_profile
        self.icon_text= 'Pi Presents'
        
        self.root.title(self.title)
        self.root.iconname(self.icon_text)
        self.root.config(bg='black')
        
        # get size of the screen
        self.screen_width = self.root.winfo_screenwidth()
        self.screen_height = self.root.winfo_screenheight()

        # set window dimensions
        self.window_height=self.screen_height
        self.window_width=self.screen_width
        self.window_x=0
        self.window_y=0
        if self.options['fullscreen']<>"partial":
            bar=self.options['fullscreen']
            # allow just 2 pixels for the hidden taskbar
            if bar in ('left','right'):
                self.window_width=self.screen_width-2
            else:
                self.window_height=self.screen_height-2
            if bar =="left":
                self.window_x=2
            if bar =="top":
                self.window_y=2   
            self.root.geometry("%dx%d%+d%+d"  % (self.window_width,self.window_height,self.window_x,self.window_y))
            self.root.attributes('-zoomed','1')
        else:
            self.window_width=self.screen_width-200
            self.window_height=self.screen_height-200
            self.window_x=50
            self.root.geometry("%dx%d%+d%+d" % (self.window_width,self.window_height,self.window_x,self.window_y))
            


        
        #canvas covers the whole window
        self.canvas_height=self.window_height
        self.canvas_width=self.window_width
        
        # make sure focus is set.
        self.root.focus_set()

        #define response to main window closing.
        self.root.protocol ("WM_DELETE_WINDOW", self.on_break_key)

        # Always use CTRL-Break key to close the program as a get out of jail
        self.root.bind("<Break>",self.e_on_break_key)
        
        #pass all other keys along to 'shows' and hence to 'players'
        self.root.bind("<Escape>", self._escape_pressed)
        self.root.bind("<Up>", self._up_pressed)
        self.root.bind("<Down>", self._down_pressed)
        self.root.bind("<Return>", self._return_pressed)
        self.root.bind("<space>", self._pause_pressed)
        self.root.bind("p", self._pause_pressed)

        #setup a canvas onto which will be drawn the images or text
        self.canvas = Canvas(self.root, bg='black')

        self.canvas.config(height=self.canvas_height, width=self.canvas_width)
        #self.canvas.grid(row=1,columnspan=2)
        self.canvas.pack()
        # make sure focus is set on canvas.
        self.canvas.focus_set()


# ****************************************
# INITIALISE THE APPLICATION AND START
# ****************************************
        self.shutdown_required=False
        
        #kick off GPIO if enabled by command line option
        if self.options['gpio']==True:
            from pp_buttons import Buttons
            # initialise the buttons connected to GPIO
            self.Buttons=Buttons
            self.buttons = Buttons(self.root,20,self.button_pressed)
            self.buttons.poll()

            
        #  kick off the initial show            
        self.show=None
        # get the start show from the showlist
        index = self.showlist.index_of_show(self.starter_show['start-show'])
        if index >=0:
            self.showlist.select(index)
            self.start_show=self.showlist.selected_show()
        else:
            self.mon.err(self,"Show not found in showlist: "+ self.starter_show['start-show'])
            self._end('error','show not found in showlist')
            
        if self.start_show['type']=="mediashow":
            self.show= MediaShow(self.start_show,
                                                            self.canvas,
                                                            self.showlist,
                                                            self.pp_home,
                                                            self.pp_profile)
            self.show.play(self._end_play_show,top=True,command='nil')
            self.root.mainloop( )     
            
        elif self.start_show['type']=="menu":
            self.show= MenuShow(self.start_show,
                                                    self.canvas,
                                                    self.showlist,
                                                    self.pp_home,
                                                    self.pp_profile)
            self.show.play(self._end_play_show,top=True,command='nil')
            self.root.mainloop( )

        elif self.start_show['type']=="liveshow":
            self.show= LiveShow(self.start_show,
                                                    self.canvas,
                                                    self.showlist,
                                                    self.pp_home,
                                                    self.pp_profile)
            self.show.play(self._end_play_show,top=True,command='nil')
            self.root.mainloop( )                 
            
        else:
            self.mon.err(self,"unknown mediashow type in start show - "+ self.start_show['type'])
            self._end('error','unknown mediashow type')

    def _end_play_show(self,reason,message):
        self.mon.log(self,"Returned to piresents with reason: " + reason +" and message " + message)
        self._end(reason,message)
     
    def _end(self,reason,message):
        self.mon.log(self,"Pi Presents ending with message: " + message)
        self.show=None
        if reason=='error':
            self.mon.log(self, "exiting because of error")
            self.tidy_up()
            exit()            
        if reason=='killed':
            self.mon.log(self,"kill received - exiting")
            self.on_kill_callback()
        else:
            # should never be here or fatal error
            self.mon.log(self, "exiting because invalid end reasosn")
            self.tidy_up()
            exit()

             

# *********************
# EXIT APP
# *********************

    # kill or error
    def terminate(self,reason):
        if self.shower<>None:
            self.mon.log(self,"sent terminate to shower")
            self.shower.terminate(reason)
        else:
            self._end(reason,message)



    def tidy_up(self):
        #turn screen blanking back on
        if self.options['noblank']==True:
            call(["xset","s", "on"])
            call(["xset","s", "+dpms"])
        if self.options['gpio']==True:
            self.buttons.kill()
        #close logging files 
        self.mon.finish()

    def on_kill_callback(self):
        self.tidy_up()
        if self.shutdown_required==True:
            call(['sudo', 'shutdown', '-h', '-t 5','now'])
        else:
            exit()


    def resource(self,section,item):
        value=self.rr.get(section,item)
        if value==False:
            self.mon.err(self, "resource: "+section +': '+ item + " not found" )
            self.terminate("error")
        else:
            return value

# *********************
# Key and button presses
# ********************

    def shutdown_pressed(self):
        self.root.after(5000,self.on_shutdown_delay)

    def on_shutdown_delay(self):
        if self.buttons.is_pressed(self.Buttons.SHUTDOWN):
            self.shutdown_required=True
            self.on_break_key()

    def button_pressed(self,index,button,edge):
        self.mon.log(self, "Button Pressed: "+button)
        if button=="shutdown":
            self.shutdown_pressed()
        else:
            if self.show<>None:
                self.show.button_pressed(button,edge)
  
    # key presses
    def _escape_pressed(self,event): self._key_pressed("escape")              
    def _up_pressed(self,event): self._key_pressed("up")  
    def _down_pressed(self,event): self._key_pressed("down")  
    def _return_pressed(self,event): self._key_pressed("return")
    def _pause_pressed(self,event): self._key_pressed("p")
        

    def _key_pressed(self,key_name):
        self.mon.log(self, "Key Pressed: "+ key_name)
        # if a show is running pass the key to it.
        if self.show<>None:
            self.show.key_pressed(key_name)
         
    def on_break_key(self):
        self.mon.log(self, "kill received from user")
        #terminate any running shows and players     
        if self.show<>None:
            self.mon.log(self,"kill sent to show")   
            self.show.terminate('killed')
    
    def e_on_break_key(self,event):
        self.on_break_key()
コード例 #6
0
class PiPresents(object):

    def pipresents_version(self):
        vitems=self.pipresents_issue.split('.')
        if len(vitems)==2:
            # cope with 2 digit version numbers before 1.3.2
            return 1000*int(vitems[0])+100*int(vitems[1])
        else:
            return 1000*int(vitems[0])+100*int(vitems[1])+int(vitems[2])


    def __init__(self):
        gc.set_debug(gc.DEBUG_UNCOLLECTABLE|gc.DEBUG_INSTANCES|gc.DEBUG_OBJECTS|gc.DEBUG_SAVEALL)
        self.pipresents_issue="1.3.2"
        self.pipresents_minorissue = '1.3.2a'
        # position and size of window without -f command line option
        self.nonfull_window_width = 0.45 # proportion of width
        self.nonfull_window_height= 0.7 # proportion of height
        self.nonfull_window_x = 0 # position of top left corner
        self.nonfull_window_y=0   # position of top left corner


        StopWatch.global_enable=False

        # set up the handler for SIGTERM
        signal.signal(signal.SIGTERM,self.handle_sigterm)
        

# ****************************************
# Initialisation
# ***************************************
        # get command line options
        self.options=command_options()

        # get Pi Presents code directory
        pp_dir=sys.path[0]
        self.pp_dir=pp_dir
        
        if not os.path.exists(pp_dir+"/pipresents.py"):
            if self.options['manager']  is False:
                tkMessageBox.showwarning("Pi Presents","Bad Application Directory")
            exit(102)

        
        # Initialise logging and tracing
        Monitor.log_path=pp_dir
        self.mon=Monitor()
        # Init in PiPresents only
        self.mon.init()

        # uncomment to enable control of logging from within a class
        # Monitor.enable_in_code = True # enables control of log level in the code for a class  - self.mon.set_log_level()

        
        # make a shorter list to log/trace only some classes without using enable_in_code.
        Monitor.classes  = ['PiPresents',
                            
                            'HyperlinkShow','RadioButtonShow','ArtLiveShow','ArtMediaShow','MediaShow','LiveShow','MenuShow',
                            'GapShow','Show','ArtShow',
                            'AudioPlayer','BrowserPlayer','ImagePlayer','MenuPlayer','MessagePlayer','VideoPlayer','Player',
                            'MediaList','LiveList','ShowList',
                            'PathManager','ControlsManager','ShowManager','PluginManager',
                            'MplayerDriver','OMXDriver','UZBLDriver',
                            'KbdDriver','GPIODriver','TimeOfDay','ScreenDriver','Animate','OSCDriver',
                            'Network','Mailer'
                            ]
        

        # Monitor.classes=['PiPresents','MediaShow','GapShow','Show','VideoPlayer','Player','OMXDriver']
        
        # get global log level from command line
        Monitor.log_level = int(self.options['debug'])
        Monitor.manager = self.options['manager']
        # print self.options['manager']
        self.mon.newline(3)
        self.mon.sched (self, "Pi Presents is starting, Version:"+self.pipresents_minorissue + ' at '+time.strftime("%Y-%m-%d %H:%M.%S"))
        self.mon.log (self, "Pi Presents is starting, Version:"+self.pipresents_minorissue+ ' at '+time.strftime("%Y-%m-%d %H:%M.%S"))
        # self.mon.log (self," OS and separator:" + os.name +'  ' + os.sep)
        self.mon.log(self,"sys.path[0] -  location of code: "+sys.path[0])

        # log versions of Raspbian and omxplayer, and GPU Memory
        with open("/boot/issue.txt") as file:
            self.mon.log(self,'\nRaspbian: '+file.read())

        self.mon.log(self,'\n'+check_output(["omxplayer", "-v"]))
        self.mon.log(self,'\nGPU Memory: '+check_output(["vcgencmd", "get_mem", "gpu"]))
        
        if "DESKTOP_SESSION" not in os.environ:
            print 'Pi Presents must be run from the Desktop'
            self.mon.log(self,'Pi Presents must be run from the Desktop')
            self.mon.finish()
            sys.exit(102)
        else:
            self.mon.log(self,'Desktop is '+ os.environ['DESKTOP_SESSION'])
        
        # optional other classes used
        self.root=None
        self.ppio=None
        self.tod=None
        self.animate=None
        self.gpiodriver=None
        self.oscdriver=None
        self.osc_enabled=False
        self.gpio_enabled=False
        self.tod_enabled=False
        self.email_enabled=False


        if os.geteuid() == 0:
            self.mon.err(self,'Do not run Pi Presents with sudo')
            self.end('error','Do not run Pi Presents with sudo')

        
        user=os.getenv('USER')

        self.mon.log(self,'User is: '+ user)
        # self.mon.log(self,"os.getenv('HOME') -  user home directory (not used): " + os.getenv('HOME')) # does not work
        # self.mon.log(self,"os.path.expanduser('~') -  user home directory: " + os.path.expanduser('~'))   # does not work



        # check network is available
        self.network_connected=False
        self.network_details=False
        self.interface=''
        self.ip=''
        self.unit=''
        
        # sets self.network_connected and self.network_details
        self.init_network()

        
        # start the mailer and send email when PP starts
        self.email_enabled=False
        if self.network_connected is True:
            self.init_mailer()
            if self.email_enabled is True and self.mailer.email_at_start is True:
                subject= '[Pi Presents] ' + self.unit + ': PP Started on ' + time.strftime("%Y-%m-%d %H:%M")
                message = time.strftime("%Y-%m-%d %H:%M") + '\nUnit: ' + self.unit + '   Profile: '+ self.options['profile']+ '\n ' + self.interface + '\n ' + self.ip 
                self.send_email('start',subject,message) 

         
        # get profile path from -p option
        if self.options['profile'] != '':
            self.pp_profile_path="/pp_profiles/"+self.options['profile']
        else:
            self.mon.err(self,"Profile not specified in command ")
            self.end('error','Profile not specified with the commands -p option')
        
       # get directory containing pp_home from the command,
        if self.options['home']  == "":
            home = os.sep+ 'home' + os.sep + user + os.sep+"pp_home"
        else:
            home = self.options['home'] + os.sep+ "pp_home"         
        self.mon.log(self,"pp_home directory is: " + home)


        # check if pp_home exists.
        # try for 10 seconds to allow usb stick to automount
        found=False
        for i in range (1, 10):
            self.mon.log(self,"Trying pp_home at: " + home +  " (" + str(i)+')')
            if os.path.exists(home):
                found=True
                self.pp_home=home
                break
            time.sleep (1)
        if found is True:
            self.mon.log(self,"Found Requested Home Directory, using pp_home at: " + home)
        else:
            self.mon.err(self,"Failed to find pp_home directory at " + home)
            self.end('error',"Failed to find pp_home directory at " + home)


        # check profile exists
        self.pp_profile=self.pp_home+self.pp_profile_path
        if os.path.exists(self.pp_profile):
            self.mon.sched(self,"Running profile: " + self.pp_profile_path)
            self.mon.log(self,"Found Requested profile - pp_profile directory is: " + self.pp_profile)
        else:
            self.mon.err(self,"Failed to find requested profile: "+ self.pp_profile)
            self.end('error',"Failed to find requested profile: "+ self.pp_profile)

        self.mon.start_stats(self.options['profile'])
        
        if self.options['verify'] is True:
            val =Validator()
            if  val.validate_profile(None,pp_dir,self.pp_home,self.pp_profile,self.pipresents_issue,False) is  False:
                self.mon.err(self,"Validation Failed")
                self.end('error','Validation Failed')

         
        # initialise and read the showlist in the profile
        self.showlist=ShowList()
        self.showlist_file= self.pp_profile+ "/pp_showlist.json"
        if os.path.exists(self.showlist_file):
            self.showlist.open_json(self.showlist_file)
        else:
            self.mon.err(self,"showlist not found at "+self.showlist_file)
            self.end('error',"showlist not found at "+self.showlist_file)

        # check profile and Pi Presents issues are compatible
        if self.showlist.profile_version() != self.pipresents_version():
            self.mon.err(self,"Version of showlist " + self.showlist.profile_version_string + " is not  same as Pi Presents")
            self.end('error',"Version of showlist " + self.showlist.profile_version_string + " is not  same as Pi Presents")


        # get the 'start' show from the showlist
        index = self.showlist.index_of_show('start')
        if index >=0:
            self.showlist.select(index)
            self.starter_show=self.showlist.selected_show()
        else:
            self.mon.err(self,"Show [start] not found in showlist")
            self.end('error',"Show [start] not found in showlist")


# ********************
# SET UP THE GUI
# ********************
        # turn off the screenblanking and saver
        if self.options['noblank'] is True:
            call(["xset","s", "off"])
            call(["xset","s", "-dpms"])

        self.root=Tk()   
       
        self.title='Pi Presents - '+ self.pp_profile
        self.icon_text= 'Pi Presents'
        self.root.title(self.title)
        self.root.iconname(self.icon_text)
        self.root.config(bg=self.starter_show['background-colour'])

        self.mon.log(self, 'monitor screen dimensions are ' + str(self.root.winfo_screenwidth()) + ' x ' + str(self.root.winfo_screenheight()) + ' pixels')
        if self.options['screensize'] =='':        
            self.screen_width = self.root.winfo_screenwidth()
            self.screen_height = self.root.winfo_screenheight()
        else:
            reason,message,self.screen_width,self.screen_height=self.parse_screen(self.options['screensize'])
            if reason =='error':
                self.mon.err(self,message)
                self.end('error',message)

        self.mon.log(self, 'forced screen dimensions (--screensize) are ' + str(self.screen_width) + ' x ' + str(self.screen_height) + ' pixels')
       
        # set window dimensions and decorations
        if self.options['fullscreen'] is False:
            self.window_width=int(self.root.winfo_screenwidth()*self.nonfull_window_width)
            self.window_height=int(self.root.winfo_screenheight()*self.nonfull_window_height)
            self.window_x=self.nonfull_window_x
            self.window_y=self.nonfull_window_y
            self.root.geometry("%dx%d%+d%+d" % (self.window_width,self.window_height,self.window_x,self.window_y))
        else:
            self.window_width=self.screen_width
            self.window_height=self.screen_height
            self.root.attributes('-fullscreen', True)
            os.system('unclutter &')
            self.window_x=0
            self.window_y=0  
            self.root.geometry("%dx%d%+d%+d"  % (self.window_width,self.window_height,self.window_x,self.window_y))
            self.root.attributes('-zoomed','1')

        # canvas cover the whole screen whatever the size of the window. 
        self.canvas_height=self.screen_height
        self.canvas_width=self.screen_width
  
        # make sure focus is set.
        self.root.focus_set()

        # define response to main window closing.
        self.root.protocol ("WM_DELETE_WINDOW", self.handle_user_abort)

        # setup a canvas onto which will be drawn the images or text
        self.canvas = Canvas(self.root, bg=self.starter_show['background-colour'])


        if self.options['fullscreen'] is True:
            self.canvas.config(height=self.canvas_height,
                               width=self.canvas_width,
                               highlightthickness=0)
        else:
            self.canvas.config(height=self.canvas_height,
                    width=self.canvas_width,
                        highlightthickness=1,
                               highlightcolor='yellow')
            
        self.canvas.place(x=0,y=0)
        # self.canvas.config(bg='black')
        self.canvas.focus_set()


                
# ****************************************
# INITIALISE THE INPUT DRIVERS
# ****************************************

        # each driver takes a set of inputs, binds them to symboic names
        # and sets up a callback which returns the symbolic name when an input event occurs/

        # use keyboard driver to bind keys to symbolic names and to set up callback
        kbd=KbdDriver()
        if kbd.read(pp_dir,self.pp_home,self.pp_profile) is False:
            self.end('error','cannot find, or error in keys.cfg')
        kbd.bind_keys(self.root,self.handle_input_event)

        self.sr=ScreenDriver()
        # read the screen click area config file
        reason,message = self.sr.read(pp_dir,self.pp_home,self.pp_profile)
        if reason == 'error':
            self.end('error','cannot find, or error in screen.cfg')


        # create click areas on the canvas, must be polygon as outline rectangles are not filled as far as find_closest goes
        # click areas are made on the Pi Presents canvas not the show canvases.
        reason,message = self.sr.make_click_areas(self.canvas,self.handle_input_event)
        if reason == 'error':
            self.mon.err(self,message)
            self.end('error',message)


# ****************************************
# INITIALISE THE APPLICATION AND START
# ****************************************
        self.shutdown_required=False
        self.terminate_required=False
        self.exitpipresents_required=False

        # delete omxplayer dbus files
        # if os.path.exists("/tmp/omxplayerdbus.{}".format(user)):
            # os.remove("/tmp/omxplayerdbus.{}".format(user))
        # if os.path.exists("/tmp/omxplayerdbus.{}.pid".format(user)):
            # os.remove("/tmp/omxplayerdbus.{}.pid".format(user))
        
        # kick off GPIO if enabled by command line option
        self.gpio_enabled=False
        if os.path.exists(self.pp_profile + os.sep + 'pp_io_config'+os.sep+ 'gpio.cfg'):
            # initialise the GPIO
            self.gpiodriver=GPIODriver()
            reason,message=self.gpiodriver.init(pp_dir,self.pp_home,self.pp_profile,self.canvas,50,self.handle_input_event)
            if reason == 'error':
                self.end('error',message)
            else:
                self.gpio_enabled=True
                # and start polling gpio
                self.gpiodriver.poll()
            
        # kick off animation sequencer
        self.animate = Animate()
        self.animate.init(pp_dir,self.pp_home,self.pp_profile,self.canvas,200,self.handle_output_event)
        self.animate.poll()

        #create a showmanager ready for time of day scheduler and osc server
        show_id=-1
        self.show_manager=ShowManager(show_id,self.showlist,self.starter_show,self.root,self.canvas,self.pp_dir,self.pp_profile,self.pp_home)
        # first time through set callback to terminate Pi Presents if all shows have ended.
        self.show_manager.init(self.canvas,self.all_shows_ended_callback,self.handle_command,self.showlist)
        # Register all the shows in the showlist
        reason,message=self.show_manager.register_shows()
        if reason == 'error':
            self.mon.err(self,message)
            self.end('error',message)


        # Init OSCDriver, read config and start OSC server
        self.osc_enabled=False
        if self.network_connected is True:
            if os.path.exists(self.pp_profile + os.sep + 'pp_io_config'+ os.sep + 'osc.cfg'):
                self.oscdriver=OSCDriver()
                reason,message=self.oscdriver.init(self.pp_profile,self.handle_command,self.handle_input_event,self.e_osc_handle_output_event)
                if reason == 'error':
                    self.mon.err(self,message)
                    self.end('error',message)
                else:
                    self.osc_enabled=True
                    self.root.after(1000,self.oscdriver.start_server())

        
        # enable ToD scheduler if schedule exists      
        if os.path.exists(self.pp_profile + os.sep + 'schedule.json'):                
            self.tod_enabled = True
        else:
            self.tod_enabled=False

        # warn if the network not available when ToD required

        if self.tod_enabled is True and self.network_connected is False:
            self.mon.warn(self,'Network not connected  so Time of Day scheduler may be using the internal clock')

        # warn about start shows and scheduler

        if self.starter_show['start-show']=='' and self.tod_enabled is False:
            self.mon.sched(self,"No Start Shows in Start Show and no shows scheduled") 
            self.mon.warn(self,"No Start Shows in Start Show and no shows scheduled")

        if self.starter_show['start-show'] !='' and self.tod_enabled is True:
            self.mon.sched(self,"Start Shows in Start Show and shows scheduled - conflict?") 
            self.mon.warn(self,"Start Shows in Start Show and shows scheduled - conflict?")

        # run the start shows
        self.run_start_shows()           

        # kick off the time of day scheduler which may run additional shows
        if self.tod_enabled is True:
            self.tod=TimeOfDay()
            self.tod.init(pp_dir,self.pp_home,self.pp_profile,self.root,self.handle_command)
            self.tod.poll()            


        # start Tkinters event loop
        self.root.mainloop( )


    def parse_screen(self,size_text):
        fields=size_text.split('*')
        if len(fields)!=2:
            return 'error','do not understand --screensize comand option',0,0
        elif fields[0].isdigit()  is False or fields[1].isdigit()  is False:
            return 'error','dimensions are not positive integers in --screensize',0,0
        else:
            return 'normal','',int(fields[0]),int(fields[1])
        

# *********************
#  RUN START SHOWS
# ********************   
    def run_start_shows(self):
        self.mon.trace(self,'run start shows')
        # parse the start shows field and start the initial shows       
        show_refs=self.starter_show['start-show'].split()
        for show_ref in show_refs:
            reason,message=self.show_manager.control_a_show(show_ref,'open')
            if reason == 'error':
                self.mon.err(self,message)
                


# *********************
# User inputs
# ********************
    # handles one command provided as a line of text
    
    def handle_command(self,command_text,source='',show=''):
        # print 'PIPRESENTS ',command_text,source,'from',show
        self.mon.log(self,"command received: " + command_text)
        if command_text.strip()=="":
            return

        if command_text[0]=='/': 
            if self.osc_enabled is True:
                self.oscdriver.send_command(command_text)
            return
        
        fields= command_text.split()
        show_command=fields[0]
        if len(fields)>1:
            show_ref=fields[1]
        else:
            show_ref=''

        if show_command in ('open','close'):
            self.mon.sched(self, command_text + ' received from show:'+show)
            if self.shutdown_required is False and self.terminate_required is False:
                reason,message=self.show_manager.control_a_show(show_ref,show_command)
            else:
                return
        elif show_command =='monitor':
            self.handle_monitor_command(show_ref)
            return
        elif show_command == 'event':
            self.handle_input_event(show_ref,'Show Control')
            return
        elif show_command == 'exitpipresents':
            self.exitpipresents_required=True
            if self.show_manager.all_shows_exited() is True:
                # need root.after to get out of st thread
                self.root.after(1,self.e_all_shows_ended_callback)
                return
            else:
                reason,message= self.show_manager.exit_all_shows()

        elif show_command == 'shutdownnow':
            # need root.after to get out of st thread
            self.root.after(1,self.e_shutdown_pressed)
            return
        else:
            reason='error'
            message = 'command not recognised: '+ show_command
            
        if reason=='error':
            self.mon.err(self,message)
        return


    def handle_monitor_command(self,command):
        if command == 'on':
            os.system('vcgencmd display_power 1 >/dev/null')
        elif command == 'off':
            os.system('vcgencmd display_power 0 >/dev/null')           
                      
    

    def e_all_shows_ended_callback(self):
        self.all_shows_ended_callback('normal','no shows running')

    def e_shutdown_pressed(self):
        self.shutdown_pressed('now')


    def e_osc_handle_output_event(self,line):
        #jump  out of server thread
        self.root.after(1, lambda arg=line: self.osc_handle_output_event(arg))

    def  osc_handle_output_event(self,line):
        self.mon.log(self,"output event received: "+ line)
        #osc sends output events as a string
        reason,message,delay,name,param_type,param_values=self.animate.parse_animate_fields(line)
        if reason == 'error':
            self.mon.err(self,message)
            self.end(reason,message)
        self.handle_output_event(name,param_type,param_values,0)

               
    def handle_output_event(self,symbol,param_type,param_values,req_time):
        if self.gpio_enabled is True:
            reason,message=self.gpiodriver.handle_output_event(symbol,param_type,param_values,req_time)
            if reason =='error':
                self.mon.err(self,message)
                self.end(reason,message)
        else:
            self.mon.warn(self,'GPIO not enabled')


    # all input events call this callback with a symbolic name.
    # handle events that affect PP overall, otherwise pass to all active shows
    def handle_input_event(self,symbol,source):
        self.mon.log(self,"event received: "+symbol + ' from '+ source)
        if symbol == 'pp-terminate':
            self.handle_user_abort()
            
        elif symbol == 'pp-shutdown':
            self.shutdown_pressed('delay')
            
        elif symbol == 'pp-shutdownnow':
            # need root.after to grt out of st thread
            self.root.after(1,self.e_shutdown_pressed)
            return
        
        elif symbol == 'pp-exitpipresents':
            self.exitpipresents_required=True
            if self.show_manager.all_shows_exited() is True:
                # need root.after to grt out of st thread
                self.root.after(1,self.e_all_shows_ended_callback)
                return
            reason,message= self.show_manager.exit_all_shows()
        else:
            # events for shows affect the show and could cause it to exit.
            for show in self.show_manager.shows:
                show_obj=show[ShowManager.SHOW_OBJ]
                if show_obj is not None:
                    show_obj.handle_input_event(symbol)



    def shutdown_pressed(self, when):
        if when == 'delay':
            self.root.after(5000,self.on_shutdown_delay)
        else:
            self.shutdown_required=True
            if self.show_manager.all_shows_exited() is True:
               self.all_shows_ended_callback('normal','no shows running')
            else:
                # calls exit method of all shows, results in all_shows_closed_callback
                self.show_manager.exit_all_shows()           


    def on_shutdown_delay(self):
        # 5 second delay is up, if shutdown button still pressed then shutdown
        if self.gpiodriver.shutdown_pressed() is True:
            self.shutdown_required=True
            if self.show_manager.all_shows_exited() is True:
               self.all_shows_ended_callback('normal','no shows running')
            else:
                # calls exit method of all shows, results in all_shows_closed_callback
                self.show_manager.exit_all_shows()


    def handle_sigterm(self,signum,frame):
        self.mon.log(self,'SIGTERM received - '+ str(signum))
        self.terminate()


    def handle_user_abort(self):
        self.mon.log(self,'User abort received')
        self.terminate()

    def terminate(self):
        self.mon.log(self, "terminate received")
        self.terminate_required=True
        needs_termination=False
        for show in self.show_manager.shows:
            # print  show[ShowManager.SHOW_OBJ], show[ShowManager.SHOW_REF]
            if show[ShowManager.SHOW_OBJ] is not None:
                needs_termination=True
                self.mon.log(self,"Sent terminate to show "+ show[ShowManager.SHOW_REF])
                # call shows terminate method
                # eventually the show will exit and after all shows have exited all_shows_callback will be executed.
                show[ShowManager.SHOW_OBJ].terminate()
        if needs_termination is False:
            self.end('killed','killed - no termination of shows required')


# ******************************
# Ending Pi Presents after all the showers and players are closed
# **************************

    # callback from ShowManager when all shows have ended
    def all_shows_ended_callback(self,reason,message):
        self.canvas.config(bg=self.starter_show['background-colour'])
        if reason in ('killed','error') or self.shutdown_required is True or self.exitpipresents_required is True:
            self.end(reason,message)

    def end(self,reason,message):
        self.mon.log(self,"Pi Presents ending with reason: " + reason)
        if self.root is not None:
            self.root.destroy()
        self.tidy_up()
        # gc.collect()
        # print gc.garbage
        if reason == 'killed':
            if self.email_enabled is True and self.mailer.email_on_terminate is True:
                subject= '[Pi Presents] ' + self.unit + ': PP Exited with reason: Terminated'
                message = time.strftime("%Y-%m-%d %H:%M") + '\n ' + self.unit + '\n ' + self.interface + '\n ' + self.ip 
                self.send_email(reason,subject,message)
            self.mon.sched(self, "Pi Presents Terminated, au revoir\n")
            self.mon.log(self, "Pi Presents Terminated, au revoir")
                          
            # close logging files 
            self.mon.finish()
            sys.exit(101)
                          
        elif reason == 'error':
            if self.email_enabled is True and self.mailer.email_on_error is True:
                subject= '[Pi Presents] ' + self.unit + ': PP Exited with reason: Error'
                message_text = 'Error message: '+ message + '\n'+ time.strftime("%Y-%m-%d %H:%M") + '\n ' + self.unit + '\n ' + self.interface + '\n ' + self.ip 
                self.send_email(reason,subject,message_text)   
            self.mon.sched(self, "Pi Presents closing because of error, sorry\n")
            self.mon.log(self, "Pi Presents closing because of error, sorry")
                          
            # close logging files 
            self.mon.finish()
            sys.exit(102)

        else:           
            self.mon.sched(self,"Pi Presents  exiting normally, bye\n")
            self.mon.log(self,"Pi Presents  exiting normally, bye")
            
            # close logging files 
            self.mon.finish()
            if self.shutdown_required is True:
                # print 'SHUTDOWN'
                call (['sudo','shutdown','now','SHUTTING DOWN'])
            sys.exit(100)



    def init_network(self):

        timeout=int(self.options['nonetwork'])
        if timeout== 0:
            self.network_connected=False
            self.unit=''
            self.ip=''
            self.interface=''
            return
        
        self.network=Network()
        self.network_connected=False

        # try to connect to network
        self.mon.log (self, 'Waiting up to '+ str(timeout) + ' seconds for network')
        success=self.network.wait_for_network(timeout)
        if success is False:
            self.mon.warn(self,'Failed to connect to network after ' + str(timeout) + ' seconds')
            # tkMessageBox.showwarning("Pi Presents","Failed to connect to network so using fake-hwclock")
            return

        self.network_connected=True
        self.mon.sched (self, 'Time after network check is '+ time.strftime("%Y-%m-%d %H:%M.%S"))
        self.mon.log (self, 'Time after network check is '+ time.strftime("%Y-%m-%d %H:%M.%S"))

        # Get web configuration
        self.network_details=False
        network_options_file_path=self.pp_dir+os.sep+'pp_config'+os.sep+'pp_web.cfg'
        if not os.path.exists(network_options_file_path):
            self.mon.warn(self,"pp_web.cfg not found at "+network_options_file_path)
            return
        self.mon.log(self, 'Found pp_web.cfg in ' + network_options_file_path)

        self.network.read_config(network_options_file_path)
        self.unit=self.network.unit

        # get interface and IP details of preferred interface
        self.interface,self.ip = self.network.get_preferred_ip()
        if self.interface == '':
            self.network_connected=False
            return
        self.network_details=True
        self.mon.log (self, 'Network details ' + self.unit + ' ' + self.interface + ' ' +self.ip)


    def init_mailer(self):

        self.email_enabled=False
        email_file_path = self.pp_dir+os.sep+'pp_config'+os.sep+'pp_email.cfg'
        if not os.path.exists(email_file_path):
            self.mon.log(self,'pp_email.cfg not found at ' + email_file_path)
            return
        self.mon.log(self,'Found pp_email.cfg at ' + email_file_path)
        self.mailer=Mailer()
        self.mailer.read_config(email_file_path)
        # all Ok so can enable email if config file allows it.
        if self.mailer.email_allowed is True:
            self.email_enabled=True
            self.mon.log (self,'Email Enabled')



    def send_email(self,reason,subject,message):
        if self.try_connect() is False:
            return False
        else:
            success,error = self.mailer.send(subject,message)
            if success is False:
                self.mon.log(self, 'Failed to send email: ' + str(error))
                success,error=self.mailer.disconnect()
                if success is False:
                    self.mon.log(self,'Failed disconnect after send:' + str(error))
                return False
            else:
                self.mon.log(self,'Sent email for ' + reason)
                success,error=self.mailer.disconnect()
                if success is False:
                    self.mon.log(self,'Failed disconnect from email server ' + str(error))
                return True


    def try_connect(self):
        tries=1
        while True:
            success, error = self.mailer.connect()
            if success is True:
                return True
            else:
                self.mon.log(self,'Failed to connect to email SMTP server ' + str(tries) +  '\n ' +str(error))
                tries +=1
                if tries >5:
                    self.mon.log(self,'Failed to connect to email SMTP server after ' + str(tries))
                    return False

                
    
    # tidy up all the peripheral bits of Pi Presents
    def tidy_up(self):
        self.handle_monitor_command('on')
        self.mon.log(self, "Tidying Up")
        # turn screen blanking back on
        if self.options['noblank'] is True:
            call(["xset","s", "on"])
            call(["xset","s", "+dpms"])
            
        # tidy up animation and gpio
        if self.animate is not None:
            self.animate.terminate()
            
        if self.gpio_enabled==True:
            self.gpiodriver.terminate()

        if self.osc_enabled is True:
            self.oscdriver.terminate()
            
        # tidy up time of day scheduler
        if self.tod_enabled is True:
            self.tod.terminate()
コード例 #7
0
class OSCMonitor(object):

    def __init__(self):
    
        self.editor_issue="1.3"

        # get command options
        self.command_options=remote_options()

        # get directory holding the code
        self.pp_dir=sys.path[0]
            
        if not os.path.exists(self.pp_dir+os.sep+"pipresents.py"):
            tkMessageBox.showwarning("Pi Presents","Bad Application Directory")
            exit()
            
          
        # Initialise logging
        Monitor.log_path=self.pp_dir
        self.mon=Monitor()
        self.mon.init()
        
        Monitor.classes  = ['OSCMonitor','OSCConfig','OSCEditor']

        Monitor.log_level = int(self.command_options['debug'])

        self.mon.log (self, "Pi Presents Monitor is starting")
        self.mon.log (self," OS and separator " + os.name +'  ' + os.sep)
        self.mon.log(self,"sys.path[0] -  location of code: code "+sys.path[0])

        self.setup_gui()

        # initialise OSC config class
        self.osc_config=OSCConfig()

        self.init()

        #and start the system
        self.root.after(1000,self.run_app)
        self.root.mainloop()


    def init(self):
        # read the options and allow their editing
        self.osc_config_file = self.pp_dir + os.sep + 'pp_config' + os.sep + 'pp_oscmonitor.cfg'
        self.read_create_osc()


    def add_status(self,text):
        self.status_display.insert(END,text+'\n')
        self.status_display.see(END)

    def run_app(self):
        self.client=None
        self.server=None
        self.st=None
        
        # initialise OSC variables
        self.prefix='/pipresents'
        self.this_unit='/' + self.osc_config.this_unit_name
        self.add_status('this unit is: '+self.this_unit)
        self.controlled_by_unit='/'+self.osc_config.controlled_by_name
        self.add_status('controlled by unit : '+self.controlled_by_unit)
       
        #connect client for replies then start server to listen for commands
        self.client = OSC.OSCClient()
        self.add_status('connecting to controlled by unit: '+self.osc_config.controlled_by_ip+':'+self.osc_config.controlled_by_port +' '+self.osc_config.controlled_by_name)
        self.client.connect((self.osc_config.controlled_by_ip,int(self.osc_config.controlled_by_port)))
        self.add_status('listening for commands on:'+self.osc_config.this_unit_ip+':'+self.osc_config.this_unit_port)
        self.init_server(self.osc_config.this_unit_ip,self.osc_config.this_unit_port,self.client)
        self.add_initial_handlers()
        self.start_server()



    # ***************************************
    # OSC CLIENT TO SEND REPLIES
    # ***************************************

    def disconnect_client(self):
        if self.client != None:
            self.client.close()
        return


    # ***************************************
    # OSC SERVER TO LISTEN TO COMMANDS
    # ***************************************

    def init_server(self,ip,port_text,client):
        self.add_status('Init Server: '+ip+':'+port_text)
        self.server = myOSCServer((ip,int(port_text)),client)

    def start_server(self):
        self.add_status('Start Server')
        self.st = threading.Thread( target = self.server.serve_forever )
        self.st.start()

    def close_server(self):
        if self.server != None:
            self.server.close()
        self.mon.log(self, 'Waiting for Server-thread to finish')
        if self.st != None:
            self.st.join() ##!!!
        self.mon.log(self,'server thread closed')


    def add_initial_handlers(self):
        pass
        self.server.addMsgHandler('default', self.no_match_handler)
        self.server.addMsgHandler(self.prefix+self.this_unit+"/system/server-info", self.server_info_handler)
        self.server.addMsgHandler(self.prefix+self.this_unit+"/system/loopback", self.loopback_handler)


    def no_match_handler(self,addr, tags, stuff, source):
        text= "Message from %s" % OSC.getUrlStr(source)+'\n'
        text+= "     %s" % addr+ self.pretty_list(stuff)
        self.add_status(text+'\n')


    def server_info_handler(self,addr, tags, stuff, source):
        msg = OSC.OSCMessage(self.prefix+self.controlled_by_unit+'/system/server-info-reply')
        msg.append('Unit: '+ self.osc_config.this_unit_name)
        self.add_status('Server Info Request from %s:' % OSC.getUrlStr(source))           
        return msg


    def loopback_handler(self,addr, tags, stuff, source):
         # send a reply to the client.
        msg = OSC.OSCMessage(self.prefix+self.controlled_by_unit+'/system/loopback-reply')
        self.add_status('Loopback Request from %s:' % OSC.getUrlStr(source))
        return msg      



    def pretty_list(self,fields):
        text=' '
        for field in fields:
            text += str(field) + ' '
        return text


    # ***************************************
    # INIT EXIT MISC
    # ***************************************


    def e_edit_osc(self):
        self.disconnect_client()
        self.close_server()
        self.edit_osc()
        self.init()
        self.add_status('\n\n\nRESTART')
        self.run_app()


    def app_exit(self):
        self.disconnect_client()
        self.close_server()
        if self.root is not None:
            self.root.destroy()
        self.mon.finish()
        sys.exit() 


    def show_help (self):
        tkMessageBox.showinfo("Help","Read 'manual.pdf'")
  

    def about (self):
        tkMessageBox.showinfo("About","Simple Remote Monitor for Pi Presents\n"
                              +"Author: Ken Thompson"
                              +"\nWebsite: http://pipresents.wordpress.com/")


    def setup_gui(self):
        # set up the gui
 
        # root is the Tkinter root widget
        self.root = Tk()
        self.root.title("Remote Monitor for Pi Presents")

        # self.root.configure(background='grey')

        self.root.resizable(False,False)

        # define response to main window closing
        self.root.protocol ("WM_DELETE_WINDOW", self.app_exit)

        # bind some display fields
        self.filename = StringVar()
        self.display_show = StringVar()
        self.results = StringVar()
        self.status = StringVar()

        # define menu
        menubar = Menu(self.root)

        toolsmenu = Menu(menubar, tearoff=0, bg="grey", fg="black")
        menubar.add_cascade(label='Tools', menu = toolsmenu)

        osc_configmenu = Menu(menubar, tearoff=0, bg="grey", fg="black")
        menubar.add_cascade(label='Options', menu = osc_configmenu)
        osc_configmenu.add_command(label='Edit', command = self.e_edit_osc)

        helpmenu = Menu(menubar, tearoff=0, bg="grey", fg="black")
        menubar.add_cascade(label='Help', menu = helpmenu)
        helpmenu.add_command(label='Help', command = self.show_help)
        helpmenu.add_command(label='About', command = self.about)
         
        self.root.config(menu=menubar)

        # status_frame      
        status_frame=Frame(self.root,padx=5,pady=5)
        status_frame.pack(side=TOP, fill=BOTH, expand=1)
        status_label = Label(status_frame, text="Status",font="arial 12 bold")
        status_label.pack(side=LEFT)
        scrollbar = Scrollbar(status_frame, orient=VERTICAL)
        self.status_display=Text(status_frame,height=10, yscrollcommand=scrollbar.set)
        scrollbar.config(command=self.status_display.yview)
        scrollbar.pack(side=RIGHT, fill=Y)
        self.status_display.pack(side=LEFT,fill=BOTH, expand=1)


# ***************************************
#  OSC CONFIGURATION
# ***************************************

    def read_create_osc(self):
        if self.osc_config.read(self.osc_config_file) is False:
            self.osc_config.create(self.osc_config_file)
            eosc = OSCEditor(self.root, self.osc_config_file,'slave','Create OSC Monitor Configuration')
            self.osc_config.read(self.osc_config_file)


    def edit_osc(self):
        if self.osc_config.read(self.osc_config_file) is False:
            self.osc_config.create(self.osc_config_file)
        eosc = OSCEditor(self.root, self.osc_config_file,'slave','Edit OSC Monitor Configuration')
コード例 #8
0
class PiPresents:

    # Constants for list of start shows
    SHOW_TEMPLATE=['',None,-1]
    NAME = 0   # text name of the show
    SHOW = 1   # the show object
    ID = 2    # Numeic identity of the show object, sent to the instance and returned in callbacks
    
    def __init__(self):
        
        self.pipresents_issue="1.2"
        
        StopWatch.global_enable=False

#****************************************
# INTERPRET COMMAND LINE
# ***************************************

        self.options=command_options()
        

        pp_dir=sys.path[0]
        
        if not os.path.exists(pp_dir+"/pipresents.py"):
            tkMessageBox.showwarning("Pi Presents","Bad Application Directory")
            exit()

        
        #Initialise logging
        Monitor.log_path=pp_dir
        self.mon=Monitor()
        self.mon.on()
        if self.options['debug']==True:
            Monitor.global_enable=True
        else:
            Monitor.global_enable=False
 
        self.mon.log (self, "Pi Presents is starting")
        self.mon.log (self," OS and separator:" + os.name +'  ' + os.sep)
        self.mon.log(self,"sys.path[0] -  location of code: "+sys.path[0])
        # self.mon.log(self,"os.getenv('HOME') -  user home directory (not used): " + os.getenv('HOME'))
        # self.mon.log(self,"os.path.expanduser('~') -  user home directory: " + os.path.expanduser('~'))
        
        self.ppio=None
        self.tod=None
 
        # create  profile  for pp_editor test files if already not there.
        if not os.path.exists(pp_dir+"/pp_home/pp_profiles/pp_editor"):
            self.mon.log(self,"Making pp_editor directory") 
            os.makedirs(pp_dir+"/pp_home/pp_profiles/pp_editor")
            
            
        #profile path from -p option
        if self.options['profile']<>"":
            self.pp_profile_path="/pp_profiles/"+self.options['profile']
        else:
            self.pp_profile_path = "/pp_profiles/pp_profile"
        
       #get directory containing pp_home from the command,
        if self.options['home'] =="":
            home = os.path.expanduser('~')+ os.sep+"pp_home"
        else:
            home = self.options['home'] + os.sep+ "pp_home"
            
        self.mon.log(self,"pp_home directory is: " + home)          
        #check if pp_home exists.
        # try for 10 seconds to allow usb stick to automount
        # fall back to pipresents/pp_home
        self.pp_home=pp_dir+"/pp_home"
        for i in range (1, 10):
            self.mon.log(self,"Trying pp_home at: " + home +  " (" + str(i)+')')
            if os.path.exists(home):
                self.mon.log(self,"Using pp_home at: " + home)
                self.pp_home=home
                break
            time.sleep (1)

        #check profile exists, if not default to error profile inside pipresents
        self.pp_profile=self.pp_home+self.pp_profile_path
        if not os.path.exists(self.pp_profile):
            self.pp_profile=pp_dir+"/pp_home/pp_profiles/pp_profile"

        if self.options['verify']==True:
            val =Validator()
            if  val.validate_profile(None,pp_dir,self.pp_home,self.pp_profile,self.pipresents_issue,False) == False:
                tkMessageBox.showwarning("Pi Presents","Validation Failed")
                exit()
                
        # open the resources
        self.rr=ResourceReader()
        # read the file, done once for all the other classes to use.
        if self.rr.read(pp_dir,self.pp_home)==False:
            #self.mon.err(self,"Version of profile " + self.showlist.sissue() + " is not  same as Pi Presents, must exit")
            self._end('error','cannot find resources.cfg')            

        
        #initialise the showlists and read the showlists
        self.showlist=ShowList()
        self.showlist_file= self.pp_profile+ "/pp_showlist.json"
        if os.path.exists(self.showlist_file):
            self.showlist.open_json(self.showlist_file)
        else:
            self.mon.err(self,"showlist not found at "+self.showlist_file)
            self._end('error','showlist not found')

        if float(self.showlist.sissue())<>float(self.pipresents_issue):
            self.mon.err(self,"Version of profile " + self.showlist.sissue() + " is not  same as Pi Presents, must exit")
            self._end('error','wrong version of profile')
 
        # get the 'start' show from the showlist
        index = self.showlist.index_of_show('start')
        if index >=0:
            self.showlist.select(index)
            self.starter_show=self.showlist.selected_show()
        else:
            self.mon.err(self,"Show [start] not found in showlist")
            self._end('error','start show not found')

        
# ********************
# SET UP THE GUI
# ********************
        #turn off the screenblanking and saver
        if self.options['noblank']==True:
            call(["xset","s", "off"])
            call(["xset","s", "-dpms"])

        self.root=Tk()
        # control display of window decorations
        if self.options['fullscreen']==True:
            self.root.attributes('-fullscreen', True)
            #self.root = Tk(className="fspipresents")
            os.system('unclutter &')
        else:
            #self.root = Tk(className="pipresents")
            pass


        self.title='Pi Presents - '+ self.pp_profile
        self.icon_text= 'Pi Presents'
        
        self.root.title(self.title)
        self.root.iconname(self.icon_text)
        self.root.config(bg='black')
        
        # get size of the screen
        self.screen_width = self.root.winfo_screenwidth()
        self.screen_height = self.root.winfo_screenheight()

        # set window dimensions
        self.window_height=self.screen_height
        self.window_width=self.screen_width
        self.window_x=0
        self.window_y=0
        if self.options['fullscreen']==True:
            bar=self.options['fullscreen']
            # allow just 2 pixels for the hidden taskbar - not any more
            if bar in ('left','right'):
                self.window_width=self.screen_width
            else:
                self.window_height=self.screen_height
            if bar =="left":
                self.window_x=0
            if bar =="top":
                self.window_y=0  
            self.root.geometry("%dx%d%+d%+d"  % (self.window_width,self.window_height,self.window_x,self.window_y))
            self.root.attributes('-zoomed','1')
        else:
            self.window_width=self.screen_width-600
            self.window_height=self.screen_height-200
            self.window_x=50
            self.root.geometry("%dx%d%+d%+d" % (self.window_width,self.window_height,self.window_x,self.window_y))
            

        #canvas covers the whole window
        self.canvas_height=self.window_height
        self.canvas_width=self.window_width
        
        # make sure focus is set.
        self.root.focus_set()

        #define response to main window closing.
        self.root.protocol ("WM_DELETE_WINDOW", self.on_break_key)

        # Always use CTRL-Break key to close the program as a get out of jail
        self.root.bind("<Break>",self.e_on_break_key)
        
        #pass all other keys along to start shows and hence to 'players'
        self.root.bind("<Escape>", self._escape_pressed)
        self.root.bind("<Up>", self._up_pressed)
        self.root.bind("<Down>", self._down_pressed)
        self.root.bind("<Return>", self._return_pressed)
        self.root.bind("<space>", self._pause_pressed)
        self.root.bind("p", self._pause_pressed)

        #setup a canvas onto which will be drawn the images or text
        self.canvas = Canvas(self.root, bg='black')

        self.canvas.config(height=self.canvas_height, width=self.canvas_width)
        self.canvas.pack()
        # make sure focus is set on canvas.
        self.canvas.focus_set()


# ****************************************
# INITIALISE THE APPLICATION AND START
# ****************************************
        self.shutdown_required=False
        
        #kick off GPIO if enabled by command line option
        if self.options['gpio']==True:
            from pp_gpio import PPIO
            # initialise the GPIO
            self.ppio=PPIO()
            # PPIO.gpio_enabled=False
            if self.ppio.init(pp_dir,self.pp_profile,self.canvas,50,self.button_pressed)==False:
                self._end('error','gpio error')
                
            # and start polling gpio
            self.ppio.poll()

        #kick off the time of day scheduler
        self.tod=TimeOfDay()
        self.tod.init(pp_dir,self.pp_home,self.canvas,500)
        self.tod.poll()

        # Create list of start shows initialise them and then run them
        self.start_shows = self.create_start_show_list()
        self.init_shows()
        self.run_shows()
        self.root.mainloop( )




# *********************
# EXIT APP
# *********************

    # kill or error
    def terminate(self,reason):
        needs_termination=False
        for start_show in self.start_shows:
            if start_show[PiPresents.SHOW]<>None:
                needs_termination=True
                self.mon.log(self,"Sent terminate to show "+ start_show[PiPresents.NAME])
                start_show[PiPresents.SHOW].terminate(reason)
        if needs_termination==False:
            self._end(reason)



    def tidy_up(self):
        #turn screen blanking back on
        if self.options['noblank']==True:
            call(["xset","s", "on"])
            call(["xset","s", "+dpms"])
        # tidy up gpio
        if self.options['gpio']==True and self.ppio<>None:
            self.ppio.terminate()
        #tidy up time of day scheduler
        if self.tod<>None:
            self.tod.terminate()
        #close logging files 
        self.mon.finish()

        
    def on_kill_callback(self):
        self.tidy_up()
        if self.shutdown_required==True:
            call(['sudo', 'shutdown', '-h', '-t 5','now'])
        else:
            exit()

    def resource(self,section,item):
        value=self.rr.get(section,item)
        if value==False:
            self.mon.err(self, "resource: "+section +': '+ item + " not found" )
            self.terminate("error")
        else:
            return value

# *********************
# Key and button presses
# ********************

    def shutdown_pressed(self):
        self.root.after(5000,self.on_shutdown_delay)

    def on_shutdown_delay(self):
        if self.ppio.is_pressed('shutdown'):
            self.shutdown_required=True
            self.on_break_key()

    def button_pressed(self,index,button,edge):
        self.mon.log(self, "Button Pressed: "+button)
        if button=="shutdown":
            self.shutdown_pressed()
        else:
            for start_show in self.start_shows:
                print "sending to show" , start_show[PiPresents.NAME]
                start_show[PiPresents.SHOW].button_pressed(button,edge)                 

  
    # key presses - convert from events to call to _key_pressed
    def _escape_pressed(self,event): self._key_pressed("escape")              
    def _up_pressed(self,event): self._key_pressed("up")  
    def _down_pressed(self,event): self._key_pressed("down")  
    def _return_pressed(self,event): self._key_pressed("return")
    def _pause_pressed(self,event): self._key_pressed("p")
        

    def _key_pressed(self,key_name):
        # key pressses are sent only to the controlled show.
        self.mon.log(self, "Key Pressed: "+ key_name)
        for start_show in self.start_shows:
                start_show[PiPresents.SHOW].key_pressed(key_name)          


         
    def on_break_key(self):
        self.mon.log(self, "kill received from user")
        #terminate any running shows and players     
        self.mon.log(self,"kill sent to shows")   
        self.terminate('killed')
 
 
    def e_on_break_key(self,event):
        self.on_break_key()

# *********************
# Start show creation and running and return from
# ********************   
        
# Extract shows from start show
    def create_start_show_list(self):
        start_shows_text=self.starter_show['start-show']
        shows=[]
        index=0
        fields= start_shows_text.split()
        for field in fields:
            show = PiPresents.SHOW_TEMPLATE        
            show[PiPresents.NAME]=field
            show[PiPresents.ID]=index 
            shows.append(copy.deepcopy(show))
            index+=1          
        return shows

    def init_shows(self):
        # build  list of shows to run by instantiating their classes.
        for start_show in self.start_shows:
            index = self.showlist.index_of_show(start_show[PiPresents.NAME])
            if index >=0:
                self.showlist.select(index)
                show=self.showlist.selected_show()
            else:
                self.mon.err(self,"Show not found in showlist: "+ start_show[PiPresents.NAME])
                self._end('error','show not found in showlist')
                
            if show['type']=="mediashow":
                show_obj = MediaShow(show,
                                                                self.canvas,
                                                                self.showlist,
                                                                self.pp_home,
                                                                self.pp_profile)
                start_show[PiPresents.SHOW]=show_obj


                
            elif show['type']=="menu":
                show_obj = MenuShow(show,
                                                        self.canvas,
                                                        self.showlist,
                                                        self.pp_home,
                                                        self.pp_profile)
                start_show[PiPresents.SHOW]=show_obj


            elif show['type']=="liveshow":
                show_obj= LiveShow(show,
                                                        self.canvas,
                                                        self.showlist,
                                                        self.pp_home,
                                                        self.pp_profile)
                start_show[PiPresents.SHOW]=show_obj                   
            else:
                self.mon.err(self,"unknown mediashow type in start show - "+ show['type'])
                self._end('error','unknown mediashow type')


    # run each of the shows in the list
    def run_shows(self):
        for start_show in self.start_shows:
                show_obj = start_show[PiPresents.SHOW]
                show_obj.play(start_show[PiPresents.ID],self._end_play_show,top=True,command='nil')


    def _end_play_show(self,show_id,reason,message):     
        self.mon.log(self,"Show " + str(show_id) + " returned to Pipresents with reason: " + reason )
        self.start_shows[show_id][PiPresents.SHOW]=None
        # if all the shows have ended then end Pi Presents
        all_terminated=True
        for start_show in self.start_shows:
            if start_show[PiPresents.SHOW]<>None:
                all_terminated=False
        if all_terminated==True:
            self._end(reason,message)
     
    def _end(self,reason,message):
        self.mon.log(self,"Pi Presents ending with message: " + message)
        if reason=='error':
            self.mon.log(self, "exiting because of error")
            self.tidy_up()
            exit()            
        if reason=='killed':
            self.mon.log(self,"kill received - exiting")
            self.on_kill_callback()
        else:
            # should never be here or fatal error
            self.mon.log(self, "exiting because invalid end reasosn")
            self.tidy_up()
            exit()
コード例 #9
0
class PiPresents(object):

    def __init__(self):
        gc.set_debug(gc.DEBUG_UNCOLLECTABLE|gc.DEBUG_INSTANCES|gc.DEBUG_OBJECTS|gc.DEBUG_SAVEALL)
        self.pipresents_issue="1.3"
        self.pipresents_minorissue = '1.3.1g'
        # position and size of window without -f command line option
        self.nonfull_window_width = 0.45 # proportion of width
        self.nonfull_window_height= 0.7 # proportion of height
        self.nonfull_window_x = 0 # position of top left corner
        self.nonfull_window_y=0   # position of top left corner
        self.pp_background='black'

        StopWatch.global_enable=False

        # set up the handler for SIGTERM
        signal.signal(signal.SIGTERM,self.handle_sigterm)
        

# ****************************************
# Initialisation
# ***************************************
        # get command line options
        self.options=command_options()

        # get Pi Presents code directory
        pp_dir=sys.path[0]
        self.pp_dir=pp_dir
        
        if not os.path.exists(pp_dir+"/pipresents.py"):
            if self.options['manager']  is False:
                tkMessageBox.showwarning("Pi Presents","Bad Application Directory:\n{0}".format(pp_dir))
            exit(103)

        
        # Initialise logging and tracing
        Monitor.log_path=pp_dir
        self.mon=Monitor()
        # Init in PiPresents only
        self.mon.init()

        # uncomment to enable control of logging from within a class
        # Monitor.enable_in_code = True # enables control of log level in the code for a class  - self.mon.set_log_level()
        
        # make a shorter list to log/trace only some classes without using enable_in_code.
        Monitor.classes  = ['PiPresents', 'pp_paths',
                            
                            'HyperlinkShow','RadioButtonShow','ArtLiveShow','ArtMediaShow','MediaShow','LiveShow','MenuShow',
                            'PathManager','ControlsManager','ShowManager','PluginManager',
                            'MplayerDriver','OMXDriver','UZBLDriver',
                            'KbdDriver','GPIODriver','TimeOfDay','ScreenDriver','Animate','OSCDriver'
                            ]

        # Monitor.classes=['PiPresents','ArtMediaShow','VideoPlayer','OMXDriver']
        
        # get global log level from command line
        Monitor.log_level = int(self.options['debug'])
        Monitor.manager = self.options['manager']
        # print self.options['manager']
        self.mon.newline(3)    
        self.mon.log (self, "Pi Presents is starting, Version:"+self.pipresents_minorissue)
        # self.mon.log (self," OS and separator:" + os.name +'  ' + os.sep)
        self.mon.log(self,"sys.path[0] -  location of code: "+sys.path[0])
        if os.geteuid() !=0:
            user=os.getenv('USER')
        else:
            user = os.getenv('SUDO_USER')
        self.mon.log(self,'User is: '+ user)
        # self.mon.log(self,"os.getenv('HOME') -  user home directory (not used): " + os.getenv('HOME')) # does not work
        # self.mon.log(self,"os.path.expanduser('~') -  user home directory: " + os.path.expanduser('~'))   # does not work

        # optional other classes used
        self.root=None
        self.ppio=None
        self.tod=None
        self.animate=None
        self.gpiodriver=None
        self.oscdriver=None
        self.osc_enabled=False
        self.gpio_enabled=False
        self.tod_enabled=False
         
        # get home path from -o option
        self.pp_home = pp_paths.get_home(self.options['home'])
        if self.pp_home is None:
            self.end('error','Failed to find pp_home')

        # get profile path from -p option
        # pp_profile is the full path to the directory that contains 
        # pp_showlist.json and other files for the profile
        self.pp_profile = pp_paths.get_profile_dir(self.pp_home, self.options['profile'])
        if self.pp_profile is None:
            self.end('error','Failed to find profile')

        # check profile exists
        if os.path.exists(self.pp_profile):
            self.mon.log(self,"Found Requested profile - pp_profile directory is: " + self.pp_profile)
        else:
            self.mon.err(self,"Failed to find requested profile: "+ self.pp_profile)
            self.end('error','Failed to find profile')

        self.mon.start_stats(self.options['profile'])
        
        # check 'verify' option
        if self.options['verify'] is True:
            val =Validator()
            if  val.validate_profile(None,pp_dir,self.pp_home,self.pp_profile,self.pipresents_issue,False) is  False:
                self.mon.err(self,"Validation Failed")
                self.end('error','Validation Failed')

        # initialise and read the showlist in the profile
        self.showlist=ShowList()
        self.showlist_file= self.pp_profile+ "/pp_showlist.json"
        if os.path.exists(self.showlist_file):
            self.showlist.open_json(self.showlist_file)
        else:
            self.mon.err(self,"showlist not found at "+self.showlist_file)
            self.end('error','showlist not found')

        # check profile and Pi Presents issues are compatible
        if float(self.showlist.sissue()) != float(self.pipresents_issue):
            self.mon.err(self,"Version of profile " + self.showlist.sissue() + " is not  same as Pi Presents, must exit")
            self.end('error','wrong version of profile')


        # get the 'start' show from the showlist
        index = self.showlist.index_of_show('start')
        if index >=0:
            self.showlist.select(index)
            self.starter_show=self.showlist.selected_show()
        else:
            self.mon.err(self,"Show [start] not found in showlist")
            self.end('error','start show not found')

        if self.starter_show['start-show']=='':
             self.mon.warn(self,"No Start Shows in Start Show")       

# ********************
# SET UP THE GUI
# ********************
        # turn off the screenblanking and saver
        if self.options['noblank'] is True:
            call(["xset","s", "off"])
            call(["xset","s", "-dpms"])

        self.root=Tk()   
       
        self.title='Pi Presents - '+ self.pp_profile
        self.icon_text= 'Pi Presents'
        self.root.title(self.title)
        self.root.iconname(self.icon_text)
        self.root.config(bg=self.pp_background)

        self.mon.log(self, 'native screen dimensions are ' + str(self.root.winfo_screenwidth()) + ' x ' + str(self.root.winfo_screenheight()) + ' pixcels')
        if self.options['screensize'] =='':        
            self.screen_width = self.root.winfo_screenwidth()
            self.screen_height = self.root.winfo_screenheight()
        else:
            reason,message,self.screen_width,self.screen_height=self.parse_screen(self.options['screensize'])
            if reason =='error':
                self.mon.err(self,message)
                self.end('error',message)

        self.mon.log(self, 'commanded screen dimensions are ' + str(self.screen_width) + ' x ' + str(self.screen_height) + ' pixcels')
       
        # set window dimensions and decorations
        if self.options['fullscreen'] is False:
            self.window_width=int(self.root.winfo_screenwidth()*self.nonfull_window_width)
            self.window_height=int(self.root.winfo_screenheight()*self.nonfull_window_height)
            self.window_x=self.nonfull_window_x
            self.window_y=self.nonfull_window_y
            self.root.geometry("%dx%d%+d%+d" % (self.window_width,self.window_height,self.window_x,self.window_y))
        else:
            self.window_width=self.screen_width
            self.window_height=self.screen_height
            self.root.attributes('-fullscreen', True)
            os.system('unclutter 1>&- 2>&- &') # Suppress 'someone created a subwindow' complaints from unclutter
            self.window_x=0
            self.window_y=0  
            self.root.geometry("%dx%d%+d%+d"  % (self.window_width,self.window_height,self.window_x,self.window_y))
            self.root.attributes('-zoomed','1')

        # canvs cover the whole screen whatever the size of the window. 
        self.canvas_height=self.screen_height
        self.canvas_width=self.screen_width
  
        # make sure focus is set.
        self.root.focus_set()

        # define response to main window closing.
        self.root.protocol ("WM_DELETE_WINDOW", self.handle_user_abort)

        # setup a canvas onto which will be drawn the images or text
        self.canvas = Canvas(self.root, bg=self.pp_background)


        if self.options['fullscreen'] is True:
            self.canvas.config(height=self.canvas_height,
                               width=self.canvas_width,
                               highlightthickness=0)
        else:
            self.canvas.config(height=self.canvas_height,
                    width=self.canvas_width,
                        highlightthickness=1,
                               highlightcolor='yellow')
            
        self.canvas.place(x=0,y=0)
        # self.canvas.config(bg='black')
        self.canvas.focus_set()


                
# ****************************************
# INITIALISE THE INPUT DRIVERS
# ****************************************

        # each driver takes a set of inputs, binds them to symboic names
        # and sets up a callback which returns the symbolic name when an input event occurs/

        # use keyboard driver to bind keys to symbolic names and to set up callback
        kbd=KbdDriver()
        if kbd.read(pp_dir,self.pp_home,self.pp_profile) is False:
            self.end('error','cannot find or error in keys.cfg')
        kbd.bind_keys(self.root,self.handle_input_event)

        self.sr=ScreenDriver()
        # read the screen click area config file
        reason,message = self.sr.read(pp_dir,self.pp_home,self.pp_profile)
        if reason == 'error':
            self.end('error','cannot find screen.cfg')


        # create click areas on the canvas, must be polygon as outline rectangles are not filled as far as find_closest goes
        # click areas are made on the Pi Presents canvas not the show canvases.
        reason,message = self.sr.make_click_areas(self.canvas,self.handle_input_event)
        if reason == 'error':
            self.mon.err(self,message)
            self.end('error',message)


# ****************************************
# INITIALISE THE APPLICATION AND START
# ****************************************
        self.shutdown_required=False
        self.exitpipresents_required=False
        
        # kick off GPIO if enabled by command line option
        self.gpio_enabled=False
        if os.path.exists(self.pp_profile + os.sep + 'pp_io_config'+os.sep+ 'gpio.cfg'):
            # initialise the GPIO
            self.gpiodriver=GPIODriver()
            reason,message=self.gpiodriver.init(pp_dir,self.pp_home,self.pp_profile,self.canvas,50,self.handle_input_event)
            if reason == 'error':
                self.end('error',message)
            else:
                self.gpio_enabled=True
                # and start polling gpio
                self.gpiodriver.poll()
            
        # kick off animation sequencer
        self.animate = Animate()
        self.animate.init(pp_dir,self.pp_home,self.pp_profile,self.canvas,200,self.handle_output_event)
        self.animate.poll()

        #create a showmanager ready for time of day scheduler and osc server
        show_id=-1
        self.show_manager=ShowManager(show_id,self.showlist,self.starter_show,self.root,self.canvas,self.pp_dir,self.pp_profile,self.pp_home)
        # first time through set callback to terminate Pi Presents if all shows have ended.
        self.show_manager.init(self.canvas,self.all_shows_ended_callback,self.handle_command,self.showlist)
        # Register all the shows in the showlist
        reason,message=self.show_manager.register_shows()
        if reason == 'error':
            self.mon.err(self,message)
            self.end('error',message)

        # Init OSCDriver, read config and start OSC server
        self.osc_enabled=False
        if os.path.exists(self.pp_profile + os.sep + 'pp_io_config'+ os.sep + 'osc.cfg'):
            self.oscdriver=OSCDriver()
            reason,message=self.oscdriver.init(self.pp_profile,self.handle_command,self.handle_input_event,self.e_osc_handle_output_event)
            if reason == 'error':
                self.end('error',message)
            else:
                self.osc_enabled=True
                self.root.after(1000,self.oscdriver.start_server())

        # and run the start shows
        self.run_start_shows()

       # set up the time of day scheduler including catchup         
        self.tod_enabled=False
        if os.path.exists(self.pp_profile + os.sep + 'schedule.json'):
            # kick off the time of day scheduler which may run additional shows
            self.tod=TimeOfDay()
            self.tod.init(pp_dir,self.pp_home,self.pp_profile,self.root,self.handle_command)
            self.tod_enabled = True


        # then start the time of day scheduler
        if self.tod_enabled is True:
            self.tod.poll()

        # start Tkinters event loop
        self.root.mainloop( )


    def parse_screen(self,size_text):
        fields=size_text.split('*')
        if len(fields)!=2:
            return 'error','do not understand --fullscreen comand option',0,0
        elif fields[0].isdigit()  is False or fields[1].isdigit()  is False:
            return 'error','dimensions are not positive integers in ---fullscreen',0,0
        else:
            return 'normal','',int(fields[0]),int(fields[1])
        

# *********************
#  RUN START SHOWS
# ********************   
    def run_start_shows(self):
        self.mon.trace(self,'run start shows')
        # parse the start shows field and start the initial shows       
        show_refs=self.starter_show['start-show'].split()
        for show_ref in show_refs:
            reason,message=self.show_manager.control_a_show(show_ref,'open')
            if reason == 'error':
                self.mon.err(self,message)
                


# *********************
# User inputs
# ********************
    # handles one command provided as a line of text
    def handle_command(self,command_text):
        self.mon.log(self,"command received: " + command_text)
        if command_text.strip()=="":
            return

        if command_text[0]=='/': 
            if self.osc_enabled is True:
                self.oscdriver.send_command(command_text)
            return
        
        fields= command_text.split()
        show_command=fields[0]
        if len(fields)>1:
            show_ref=fields[1]
        else:
            show_ref=''
            
        if show_command in ('open','close'):
            if self.shutdown_required is False:
                reason,message=self.show_manager.control_a_show(show_ref,show_command)
            else:
                return
        elif show_command == 'exitpipresents':
            self.exitpipresents_required=True
            if self.show_manager.all_shows_exited() is True:
                # need root.after to get out of st thread
                self.root.after(1,self.e_all_shows_ended_callback)
                return
            else:
                reason,message= self.show_manager.exit_all_shows()

        elif show_command == 'shutdownnow':
            # need root.after to get out of st thread
            self.root.after(1,self.e_shutdown_pressed)
            return
        else:
            reason='error'
            message = 'command not recognised: '+ show_command
            
        if reason=='error':
            self.mon.err(self,message)
        return

    def e_all_shows_ended_callback(self):
            self.all_shows_ended_callback('normal','no shows running')

    def e_shutdown_pressed(self):
            self.shutdown_pressed('now')


    def e_osc_handle_output_event(self,line):
        #jump  out of server thread
        self.root.after(1, lambda arg=line: self.osc_handle_output_event(arg))

    def  osc_handle_output_event(self,line):
        self.mon.log(self,"output event received: "+ line)
        #osc sends output events as a string
        reason,message,delay,name,param_type,param_values=self.animate.parse_animate_fields(line)
        if reason == 'error':
            self.mon.err(self,message)
            self.end(reason,message)
        self.handle_output_event(name,param_type,param_values,0)

               
    def handle_output_event(self,symbol,param_type,param_values,req_time):
        if self.gpio_enabled is True:
            reason,message=self.gpiodriver.handle_output_event(symbol,param_type,param_values,req_time)
            if reason =='error':
                self.mon.err(self,message)
                self.end(reason,message)
        else:
            self.mon.warn(self,'GPIO not enabled')


    # all input events call this callback with a symbolic name.
    # handle events that affect PP overall, otherwise pass to all active shows
    def handle_input_event(self,symbol,source):
        self.mon.log(self,"event received: "+symbol + ' from '+ source)
        if symbol == 'pp-terminate':
            self.handle_user_abort()
            
        elif symbol == 'pp-shutdown':
            self.shutdown_pressed('delay')
            
        elif symbol == 'pp-shutdownnow':
            # need root.after to grt out of st thread
            self.root.after(1,self.e_shutdown_pressed)
            return
        
        elif symbol == 'pp-exitpipresents':
            self.exitpipresents_required=True
            if self.show_manager.all_shows_exited() is True:
                # need root.after to grt out of st thread
                self.root.after(1,self.e_all_shows_ended_callback)
                return
            reason,message= self.show_manager.exit_all_shows()
        else:
            # events for shows affect the show and could cause it to exit.
            for show in self.show_manager.shows:
                show_obj=show[ShowManager.SHOW_OBJ]
                if show_obj is not None:
                    show_obj.handle_input_event(symbol)



    def shutdown_pressed(self, when):
        if when == 'delay':
            self.root.after(5000,self.on_shutdown_delay)
        else:
            self.shutdown_required=True
            if self.show_manager.all_shows_exited() is True:
               self.all_shows_ended_callback('normal','no shows running')
            else:
                # calls exit method of all shows, results in all_shows_closed_callback
                self.show_manager.exit_all_shows()           


    def on_shutdown_delay(self):
        # 5 second delay is up, if shutdown button still pressed then shutdown
        if self.gpiodriver.shutdown_pressed() is True:
            self.shutdown_required=True
            if self.show_manager.all_shows_exited() is True:
               self.all_shows_ended_callback('normal','no shows running')
            else:
                # calls exit method of all shows, results in all_shows_closed_callback
                self.show_manager.exit_all_shows()


    def handle_sigterm(self,signum,frame):
        self.mon.log(self,'SIGTERM received - '+ str(signum))
        self.terminate()


    def handle_user_abort(self):
        self.mon.log(self,'User abort received')
        self.terminate()

    def terminate(self):
        self.mon.log(self, "terminate received")
        needs_termination=False
        for show in self.show_manager.shows:
            # print  show[ShowManager.SHOW_OBJ], show[ShowManager.SHOW_REF]
            if show[ShowManager.SHOW_OBJ] is not None:
                needs_termination=True
                self.mon.log(self,"Sent terminate to show "+ show[ShowManager.SHOW_REF])
                # call shows terminate method
                # eventually the show will exit and after all shows have exited all_shows_callback will be executed.
                show[ShowManager.SHOW_OBJ].terminate()
        if needs_termination is False:
            self.end('killed','killed - no termination of shows required')


# ******************************
# Ending Pi Presents after all the showers and players are closed
# **************************

    # callback from ShowManager when all shows have ended
    def all_shows_ended_callback(self,reason,message):
        self.canvas.config(bg=self.pp_background)
        if reason in ('killed','error') or self.shutdown_required is True or self.exitpipresents_required is True:
            self.end(reason,message)

    def end(self,reason,message):
        self.mon.log(self,"Pi Presents ending with reason: " + reason)
        if self.root is not None:
            self.root.destroy()
        self.tidy_up()
        # gc.collect()
        # print gc.garbage
        if reason == 'killed':
            self.mon.log(self, "Pi Presents Aborted, au revoir")
            # close logging files 
            self.mon.finish()
            sys.exit(101)     
        elif reason == 'error':
            self.mon.log(self, "Pi Presents closing because of error, sorry")
            # close logging files 
            self.mon.finish()
            sys.exit(102)            
        else:
            self.mon.log(self,"Pi Presents  exiting normally, bye")
            # close logging files 
            self.mon.finish()
            if self.shutdown_required is True:
                # print 'SHUTDOWN'
                call(['sudo', 'shutdown', '-h', '-t 5','now'])
                sys.exit(100)
            else:
                sys.exit(100)


    
    # tidy up all the peripheral bits of Pi Presents
    def tidy_up(self):
        self.mon.log(self, "Tidying Up")
        # turn screen blanking back on
        if self.options['noblank'] is True:
            call(["xset","s", "on"])
            call(["xset","s", "+dpms"])
            
        # tidy up animation and gpio
        if self.animate is not None:
            self.animate.terminate()
            
        if self.gpio_enabled==True:
            self.gpiodriver.terminate()

        if self.osc_enabled is True:
            self.oscdriver.terminate()
            
        # tidy up time of day scheduler
        if self.tod_enabled is True:
            self.tod.terminate()
コード例 #10
0
class PiPresents:
    def __init__(self):

        self.pipresents_issue = "1.2"
        self.pipresents_minorissue = '1.2.3f'
        self.nonfull_window_width = 0.5  # proportion of width
        self.nonfull_window_height = 0.6  # proportion of height
        self.nonfull_window_x = 0  # position of top left corner
        self.nonfull_window_y = 0  # position of top left corner

        StopWatch.global_enable = False

        #****************************************
        # Initialisation
        # ***************************************
        # get command line options
        self.options = command_options()

        # get pi presents code directory
        pp_dir = sys.path[0]
        self.pp_dir = pp_dir

        if not os.path.exists(pp_dir + "/pipresents.py"):
            tkMessageBox.showwarning("Pi Presents",
                                     "Bad Application Directory")
            exit()

        #Initialise logging
        Monitor.log_path = pp_dir
        self.mon = Monitor()
        self.mon.on()
        # 0  - errors only
        # 1  - errors and warnings
        # 2  - everything
        if self.options['debug'] == True:
            Monitor.global_enable = 2
        else:
            Monitor.global_enable = 0

        # UNCOMMENT THIS TO LOG WARNINGS AND ERRORS ONLY
        # Monitor.global_enable=1

        self.mon.log(
            self,
            "\n\n\n\n\n*****************\nPi Presents is starting, Version:" +
            self.pipresents_minorissue)
        self.mon.log(self, "Version: " + self.pipresents_minorissue)
        self.mon.log(self, " OS and separator:" + os.name + '  ' + os.sep)
        self.mon.log(self, "sys.path[0] -  location of code: " + sys.path[0])
        # self.mon.log(self,"os.getenv('HOME') -  user home directory (not used): " + os.getenv('HOME'))
        # self.mon.log(self,"os.path.expanduser('~') -  user home directory: " + os.path.expanduser('~'))

        # optional other classes used
        self.ppio = None
        self.tod = None

        #get profile path from -p option
        if self.options['profile'] <> "":
            self.pp_profile_path = "/pp_profiles/" + self.options['profile']
        else:
            self.pp_profile_path = "/pp_profiles/pp_profile"

    #get directory containing pp_home from the command,
        if self.options['home'] == "":
            home = os.path.expanduser('~') + os.sep + "pp_home"
        else:
            home = self.options['home'] + os.sep + "pp_home"
        self.mon.log(self, "pp_home directory is: " + home)

        #check if pp_home exists.
        # try for 10 seconds to allow usb stick to automount
        # fall back to pipresents/pp_home
        self.pp_home = pp_dir + "/pp_home"
        found = False
        for i in range(1, 10):
            self.mon.log(self,
                         "Trying pp_home at: " + home + " (" + str(i) + ')')
            if os.path.exists(home):
                found = True
                self.pp_home = home
                break
            time.sleep(1)
        if found == True:
            self.mon.log(
                self,
                "Found Requested Home Directory, using pp_home at: " + home)
        else:
            self.mon.log(
                self,
                "FAILED to find requested home directory, using default to display error message: "
                + self.pp_home)

        #check profile exists, if not default to error profile inside pipresents
        self.pp_profile = self.pp_home + self.pp_profile_path
        if os.path.exists(self.pp_profile):
            self.mon.log(
                self, "Found Requested profile - pp_profile directory is: " +
                self.pp_profile)
        else:
            self.pp_profile = pp_dir + "/pp_home/pp_profiles/pp_profile"
            self.mon.log(
                self,
                "FAILED to find requested profile, using default to display error message: pp_profile"
            )

        if self.options['verify'] == True:
            val = Validator()
            if val.validate_profile(None, pp_dir, self.pp_home,
                                    self.pp_profile, self.pipresents_issue,
                                    False) == False:
                tkMessageBox.showwarning("Pi Presents", "Validation Failed")
                exit()

        # open the resources
        self.rr = ResourceReader()
        # read the file, done once for all the other classes to use.
        if self.rr.read(pp_dir, self.pp_home, self.pp_profile) == False:
            self.end('error', 'cannot find resources.cfg')

        #initialise and read the showlist in the profile
        self.showlist = ShowList()
        self.showlist_file = self.pp_profile + "/pp_showlist.json"
        if os.path.exists(self.showlist_file):
            self.showlist.open_json(self.showlist_file)
        else:
            self.mon.err(self, "showlist not found at " + self.showlist_file)
            self.end('error', 'showlist not found')

        # check profile and Pi Presents issues are compatible
        if float(self.showlist.sissue()) <> float(self.pipresents_issue):
            self.mon.err(
                self, "Version of profile " + self.showlist.sissue() +
                " is not  same as Pi Presents, must exit")
            self.end('error', 'wrong version of profile')

        # get the 'start' show from the showlist
        index = self.showlist.index_of_show('start')
        if index >= 0:
            self.showlist.select(index)
            self.starter_show = self.showlist.selected_show()
        else:
            self.mon.err(self, "Show [start] not found in showlist")
            self.end('error', 'start show not found')

# ********************
# SET UP THE GUI
# ********************
#turn off the screenblanking and saver
        if self.options['noblank'] == True:
            call(["xset", "s", "off"])
            call(["xset", "s", "-dpms"])

        self.root = Tk()

        self.title = 'Pi Presents - ' + self.pp_profile
        self.icon_text = 'Pi Presents'
        self.root.title(self.title)
        self.root.iconname(self.icon_text)
        self.root.config(bg='black')

        # get size of the screen
        self.screen_width = self.root.winfo_screenwidth()
        self.screen_height = self.root.winfo_screenheight()

        # set window dimensions and decorations
        if self.options['fullscreen'] == True:

            self.root.attributes('-fullscreen', True)
            os.system('unclutter &')
            self.window_width = self.screen_width
            self.window_height = self.screen_height
            self.window_x = 0
            self.window_y = 0
            self.root.geometry("%dx%d%+d%+d" %
                               (self.window_width, self.window_height,
                                self.window_x, self.window_y))
            self.root.attributes('-zoomed', '1')
        else:
            self.window_width = int(self.screen_width *
                                    self.nonfull_window_width)
            self.window_height = int(self.screen_height *
                                     self.nonfull_window_height)
            self.window_x = self.nonfull_window_x
            self.window_y = self.nonfull_window_y
            self.root.geometry("%dx%d%+d%+d" %
                               (self.window_width, self.window_height,
                                self.window_x, self.window_y))

        #canvas covers the whole window
        self.canvas_height = self.screen_height
        self.canvas_width = self.screen_width

        # make sure focus is set.
        self.root.focus_set()

        #define response to main window closing.
        self.root.protocol("WM_DELETE_WINDOW", self.exit_pressed)

        #setup a canvas onto which will be drawn the images or text
        self.canvas = Canvas(self.root, bg='black')

        self.canvas.config(height=self.canvas_height,
                           width=self.canvas_width,
                           highlightthickness=0)
        # self.canvas.pack()
        self.canvas.place(x=0, y=0)

        self.canvas.focus_set()

        # ****************************************
        # INITIALISE THE INPUT DRIVERS
        # ****************************************

        # looks after bindings between symbolic names and internal operations
        controlsmanager = ControlsManager()
        if controlsmanager.read(pp_dir, self.pp_home,
                                self.pp_profile) == False:
            self.end('error', 'cannot find or error in controls.cfg.cfg')
        else:
            controlsmanager.parse_defaults()

        # each driver takes a set of inputs, binds them to symboic names
        # and sets up a callback which returns the symbolic name when an input event occurs/

        # use keyboard driver to bind keys to symbolic names and to set up callback
        kbd = KbdDriver()
        if kbd.read(pp_dir, self.pp_home, self.pp_profile) == False:
            self.end('error', 'cannot find or error in keys.cfg')
        kbd.bind_keys(self.root, self.input_pressed)

        self.sr = ScreenDriver()
        # read the screen click area config file
        if self.sr.read(pp_dir, self.pp_home, self.pp_profile) == False:
            self.end('error', 'cannot find screen.cfg')

        # create click areas on the canvas, must be polygon as outline rectangles are not filled as far as find_closest goes
        reason, message = self.sr.make_click_areas(self.canvas,
                                                   self.input_pressed)
        if reason == 'error':
            self.mon.err(self, message)
            self.end('error', message)

# ****************************************
# INITIALISE THE APPLICATION AND START
# ****************************************
        self.shutdown_required = False

        #kick off GPIO if enabled by command line option
        if self.options['gpio'] == True:
            from pp_gpio import PPIO
            # initialise the GPIO
            self.ppio = PPIO()
            # PPIO.gpio_enabled=False
            if self.ppio.init(pp_dir, self.pp_home, self.pp_profile,
                              self.canvas, 50, self.gpio_pressed) == False:
                self.end('error', 'gpio error')

            # and start polling gpio
            self.ppio.poll()

        #kick off the time of day scheduler
        self.tod = TimeOfDay()
        self.tod.init(pp_dir, self.pp_home, self.canvas, 500)
        self.tod.poll()

        # Create list of start shows initialise them and then run them
        self.run_start_shows()

        #start tkinter
        self.root.mainloop()

# *********************
#  RUN START SHOWS
# ********************

    def run_start_shows(self):
        #start show manager
        show_id = -1  #start show
        self.show_manager = ShowManager(show_id, self.showlist,
                                        self.starter_show, self.root,
                                        self.canvas, self.pp_dir,
                                        self.pp_profile, self.pp_home)

        #first time through so empty show register and set callback to terminate Pi Presents if all shows have ended.
        self.show_manager.init(self.all_shows_ended_callback)

        #parse the start shows field and start the initial shows
        start_shows_text = self.starter_show['start-show']
        self.show_manager.start_initial_shows(start_shows_text)

    #callback from ShowManager when all shows have ended
    def all_shows_ended_callback(self, reason, message, force_shutdown):
        self.mon.log(self, "All shows ended, so terminate Pi Presents")
        if force_shutdown == True:
            self.shutdown_required = True
            self.mon.log(self, "shutdown forced by profile")
            self.terminate('killed')
        else:
            self.end(reason, message)

# *********************
# User inputs
# ********************

#gpio callback - symbol provided by gpio

    def gpio_pressed(self, index, symbol, edge):
        self.mon.log(self, "GPIO Pressed: " + symbol)
        self.input_pressed(symbol, edge, 'gpio')

    # all input events call this callback with a symbolic name.
    def input_pressed(self, symbol, edge, source):
        self.mon.log(self, "input received: " + symbol)
        if symbol == 'pp-exit':
            self.exit_pressed()
        elif symbol == 'pp-shutdown':
            self.shutdown_pressed('delay')
        elif symbol == 'pp-shutdownnow':
            self.shutdown_pressed('now')
        else:
            for show in self.show_manager.shows:
                show_obj = show[ShowManager.SHOW_OBJ]
                if show_obj <> None:
                    show_obj.input_pressed(symbol, edge, source)

# **************************************
# respond to exit inputs by terminating
# **************************************

    def shutdown_pressed(self, when):
        if when == 'delay':
            self.root.after(5000, self.on_shutdown_delay)
        else:
            self.shutdown_required = True
            self.exit_pressed()

    def on_shutdown_delay(self):
        if self.ppio.shutdown_pressed():
            self.shutdown_required = True
            self.exit_pressed()

    def exit_pressed(self):
        self.mon.log(self, "kill received from user")
        #terminate any running shows and players
        self.mon.log(self, "kill sent to shows")
        self.terminate('killed')

    # kill or error
    def terminate(self, reason):
        needs_termination = False
        for show in self.show_manager.shows:
            if show[ShowManager.SHOW_OBJ] <> None:
                needs_termination = True
                self.mon.log(
                    self,
                    "Sent terminate to show " + show[ShowManager.SHOW_REF])
                show[ShowManager.SHOW_OBJ].terminate(reason)
        if needs_termination == False:
            self.end(reason,
                     'terminate - no termination of lower levels required')

# ******************************
# Ending Pi Presents after all the showers and players are closed
# **************************

    def end(self, reason, message):
        self.mon.log(
            self, "Pi Presents ending with message: " + reason + ' ' + message)
        if reason == 'error':
            self.tidy_up()
            self.mon.log(self, "exiting because of error")
            #close logging files
            self.mon.finish()
            exit()
        else:
            self.tidy_up()
            self.mon.log(self, "no error - exiting normally")
            #close logging files
            self.mon.finish()
            if self.shutdown_required == True:
                # call(['sudo', 'shutdown', '-h', '-t 5','now'])
                call(['sudo', 'shutdown', '-h', 'now'])
                exit()
            else:
                exit()

    # tidy up all the peripheral bits of Pi Presents
    def tidy_up(self):
        #turn screen blanking back on
        if self.options['noblank'] == True:
            call(["xset", "s", "on"])
            call(["xset", "s", "+dpms"])

        # tidy up gpio
        if self.options['gpio'] == True and self.ppio <> None:
            self.ppio.terminate()

        #tidy up time of day scheduler
        if self.tod <> None:
            self.tod.terminate()


# *****************************
# utilitities
# ****************************

    def resource(self, section, item):
        value = self.rr.get(section, item)
        if value == False:
            self.mon.err(self,
                         "resource: " + section + ': ' + item + " not found")
            self.terminate("error")
        else:
            return value
コード例 #11
0
class PiPresents(object):
    def __init__(self):
        gc.set_debug(gc.DEBUG_UNCOLLECTABLE | gc.DEBUG_INSTANCES
                     | gc.DEBUG_OBJECTS | gc.DEBUG_SAVEALL)
        self.pipresents_issue = "1.3"
        self.pipresents_minorissue = '1.3.1g'
        # position and size of window without -f command line option
        self.nonfull_window_width = 0.45  # proportion of width
        self.nonfull_window_height = 0.7  # proportion of height
        self.nonfull_window_x = 0  # position of top left corner
        self.nonfull_window_y = 0  # position of top left corner
        self.pp_background = 'black'

        StopWatch.global_enable = False

        # set up the handler for SIGTERM
        signal.signal(signal.SIGTERM, self.handle_sigterm)

        # ****************************************
        # Initialisation
        # ***************************************
        # get command line options
        self.options = command_options()

        # get Pi Presents code directory
        pp_dir = sys.path[0]
        self.pp_dir = pp_dir

        if not os.path.exists(pp_dir + "/pipresents.py"):
            if self.options['manager'] is False:
                tkMessageBox.showwarning(
                    "Pi Presents",
                    "Bad Application Directory:\n{0}".format(pp_dir))
            exit(103)

        # Initialise logging and tracing
        Monitor.log_path = pp_dir
        self.mon = Monitor()
        # Init in PiPresents only
        self.mon.init()

        # uncomment to enable control of logging from within a class
        # Monitor.enable_in_code = True # enables control of log level in the code for a class  - self.mon.set_log_level()

        # make a shorter list to log/trace only some classes without using enable_in_code.
        Monitor.classes = [
            'PiPresents', 'pp_paths', 'HyperlinkShow', 'RadioButtonShow',
            'ArtLiveShow', 'ArtMediaShow', 'MediaShow', 'LiveShow', 'MenuShow',
            'PathManager', 'ControlsManager', 'ShowManager', 'PluginManager',
            'MplayerDriver', 'OMXDriver', 'UZBLDriver', 'KbdDriver',
            'GPIODriver', 'TimeOfDay', 'ScreenDriver', 'Animate', 'OSCDriver'
        ]

        # Monitor.classes=['PiPresents','ArtMediaShow','VideoPlayer','OMXDriver']

        # get global log level from command line
        Monitor.log_level = int(self.options['debug'])
        Monitor.manager = self.options['manager']
        # print self.options['manager']
        self.mon.newline(3)
        self.mon.log(
            self,
            "Pi Presents is starting, Version:" + self.pipresents_minorissue)
        # self.mon.log (self," OS and separator:" + os.name +'  ' + os.sep)
        self.mon.log(self, "sys.path[0] -  location of code: " + sys.path[0])
        if os.geteuid() != 0:
            user = os.getenv('USER')
        else:
            user = os.getenv('SUDO_USER')
        self.mon.log(self, 'User is: ' + user)
        # self.mon.log(self,"os.getenv('HOME') -  user home directory (not used): " + os.getenv('HOME')) # does not work
        # self.mon.log(self,"os.path.expanduser('~') -  user home directory: " + os.path.expanduser('~'))   # does not work

        # optional other classes used
        self.root = None
        self.ppio = None
        self.tod = None
        self.animate = None
        self.gpiodriver = None
        self.oscdriver = None
        self.osc_enabled = False
        self.gpio_enabled = False
        self.tod_enabled = False

        # get home path from -o option
        self.pp_home = pp_paths.get_home(self.options['home'])
        if self.pp_home is None:
            self.end('error', 'Failed to find pp_home')

        # get profile path from -p option
        # pp_profile is the full path to the directory that contains
        # pp_showlist.json and other files for the profile
        self.pp_profile = pp_paths.get_profile_dir(self.pp_home,
                                                   self.options['profile'])
        if self.pp_profile is None:
            self.end('error', 'Failed to find profile')

        # check profile exists
        if os.path.exists(self.pp_profile):
            self.mon.log(
                self, "Found Requested profile - pp_profile directory is: " +
                self.pp_profile)
        else:
            self.mon.err(
                self, "Failed to find requested profile: " + self.pp_profile)
            self.end('error', 'Failed to find profile')

        self.mon.start_stats(self.options['profile'])

        # check 'verify' option
        if self.options['verify'] is True:
            val = Validator()
            if val.validate_profile(None, pp_dir, self.pp_home,
                                    self.pp_profile, self.pipresents_issue,
                                    False) is False:
                self.mon.err(self, "Validation Failed")
                self.end('error', 'Validation Failed')

        # initialise and read the showlist in the profile
        self.showlist = ShowList()
        self.showlist_file = self.pp_profile + "/pp_showlist.json"
        if os.path.exists(self.showlist_file):
            self.showlist.open_json(self.showlist_file)
        else:
            self.mon.err(self, "showlist not found at " + self.showlist_file)
            self.end('error', 'showlist not found')

        # check profile and Pi Presents issues are compatible
        if float(self.showlist.sissue()) != float(self.pipresents_issue):
            self.mon.err(
                self, "Version of profile " + self.showlist.sissue() +
                " is not  same as Pi Presents, must exit")
            self.end('error', 'wrong version of profile')

        # get the 'start' show from the showlist
        index = self.showlist.index_of_show('start')
        if index >= 0:
            self.showlist.select(index)
            self.starter_show = self.showlist.selected_show()
        else:
            self.mon.err(self, "Show [start] not found in showlist")
            self.end('error', 'start show not found')

        if self.starter_show['start-show'] == '':
            self.mon.warn(self, "No Start Shows in Start Show")

# ********************
# SET UP THE GUI
# ********************
# turn off the screenblanking and saver
        if self.options['noblank'] is True:
            call(["xset", "s", "off"])
            call(["xset", "s", "-dpms"])

        self.root = Tk()

        self.title = 'Pi Presents - ' + self.pp_profile
        self.icon_text = 'Pi Presents'
        self.root.title(self.title)
        self.root.iconname(self.icon_text)
        self.root.config(bg=self.pp_background)

        self.mon.log(
            self, 'native screen dimensions are ' +
            str(self.root.winfo_screenwidth()) + ' x ' +
            str(self.root.winfo_screenheight()) + ' pixcels')
        if self.options['screensize'] == '':
            self.screen_width = self.root.winfo_screenwidth()
            self.screen_height = self.root.winfo_screenheight()
        else:
            reason, message, self.screen_width, self.screen_height = self.parse_screen(
                self.options['screensize'])
            if reason == 'error':
                self.mon.err(self, message)
                self.end('error', message)

        self.mon.log(
            self, 'commanded screen dimensions are ' + str(self.screen_width) +
            ' x ' + str(self.screen_height) + ' pixcels')

        # set window dimensions and decorations
        if self.options['fullscreen'] is False:
            self.window_width = int(self.root.winfo_screenwidth() *
                                    self.nonfull_window_width)
            self.window_height = int(self.root.winfo_screenheight() *
                                     self.nonfull_window_height)
            self.window_x = self.nonfull_window_x
            self.window_y = self.nonfull_window_y
            self.root.geometry("%dx%d%+d%+d" %
                               (self.window_width, self.window_height,
                                self.window_x, self.window_y))
        else:
            self.window_width = self.screen_width
            self.window_height = self.screen_height
            self.root.attributes('-fullscreen', True)
            os.system(
                'unclutter 1>&- 2>&- &'
            )  # Suppress 'someone created a subwindow' complaints from unclutter
            self.window_x = 0
            self.window_y = 0
            self.root.geometry("%dx%d%+d%+d" %
                               (self.window_width, self.window_height,
                                self.window_x, self.window_y))
            self.root.attributes('-zoomed', '1')

        # canvs cover the whole screen whatever the size of the window.
        self.canvas_height = self.screen_height
        self.canvas_width = self.screen_width

        # make sure focus is set.
        self.root.focus_set()

        # define response to main window closing.
        self.root.protocol("WM_DELETE_WINDOW", self.handle_user_abort)

        # setup a canvas onto which will be drawn the images or text
        self.canvas = Canvas(self.root, bg=self.pp_background)

        if self.options['fullscreen'] is True:
            self.canvas.config(height=self.canvas_height,
                               width=self.canvas_width,
                               highlightthickness=0)
        else:
            self.canvas.config(height=self.canvas_height,
                               width=self.canvas_width,
                               highlightthickness=1,
                               highlightcolor='yellow')

        self.canvas.place(x=0, y=0)
        # self.canvas.config(bg='black')
        self.canvas.focus_set()

        # ****************************************
        # INITIALISE THE INPUT DRIVERS
        # ****************************************

        # each driver takes a set of inputs, binds them to symboic names
        # and sets up a callback which returns the symbolic name when an input event occurs/

        # use keyboard driver to bind keys to symbolic names and to set up callback
        kbd = KbdDriver()
        if kbd.read(pp_dir, self.pp_home, self.pp_profile) is False:
            self.end('error', 'cannot find or error in keys.cfg')
        kbd.bind_keys(self.root, self.handle_input_event)

        self.sr = ScreenDriver()
        # read the screen click area config file
        reason, message = self.sr.read(pp_dir, self.pp_home, self.pp_profile)
        if reason == 'error':
            self.end('error', 'cannot find screen.cfg')

        # create click areas on the canvas, must be polygon as outline rectangles are not filled as far as find_closest goes
        # click areas are made on the Pi Presents canvas not the show canvases.
        reason, message = self.sr.make_click_areas(self.canvas,
                                                   self.handle_input_event)
        if reason == 'error':
            self.mon.err(self, message)
            self.end('error', message)

# ****************************************
# INITIALISE THE APPLICATION AND START
# ****************************************
        self.shutdown_required = False
        self.exitpipresents_required = False

        # kick off GPIO if enabled by command line option
        self.gpio_enabled = False
        if os.path.exists(self.pp_profile + os.sep + 'pp_io_config' + os.sep +
                          'gpio.cfg'):
            # initialise the GPIO
            self.gpiodriver = GPIODriver()
            reason, message = self.gpiodriver.init(pp_dir, self.pp_home,
                                                   self.pp_profile,
                                                   self.canvas, 50,
                                                   self.handle_input_event)
            if reason == 'error':
                self.end('error', message)
            else:
                self.gpio_enabled = True
                # and start polling gpio
                self.gpiodriver.poll()

        # kick off animation sequencer
        self.animate = Animate()
        self.animate.init(pp_dir, self.pp_home, self.pp_profile, self.canvas,
                          200, self.handle_output_event)
        self.animate.poll()

        #create a showmanager ready for time of day scheduler and osc server
        show_id = -1
        self.show_manager = ShowManager(show_id, self.showlist,
                                        self.starter_show, self.root,
                                        self.canvas, self.pp_dir,
                                        self.pp_profile, self.pp_home)
        # first time through set callback to terminate Pi Presents if all shows have ended.
        self.show_manager.init(self.canvas, self.all_shows_ended_callback,
                               self.handle_command, self.showlist)
        # Register all the shows in the showlist
        reason, message = self.show_manager.register_shows()
        if reason == 'error':
            self.mon.err(self, message)
            self.end('error', message)

        # Init OSCDriver, read config and start OSC server
        self.osc_enabled = False
        if os.path.exists(self.pp_profile + os.sep + 'pp_io_config' + os.sep +
                          'osc.cfg'):
            self.oscdriver = OSCDriver()
            reason, message = self.oscdriver.init(
                self.pp_profile, self.handle_command, self.handle_input_event,
                self.e_osc_handle_output_event)
            if reason == 'error':
                self.end('error', message)
            else:
                self.osc_enabled = True
                self.root.after(1000, self.oscdriver.start_server())

        # and run the start shows
        self.run_start_shows()

        # set up the time of day scheduler including catchup
        self.tod_enabled = False
        if os.path.exists(self.pp_profile + os.sep + 'schedule.json'):
            # kick off the time of day scheduler which may run additional shows
            self.tod = TimeOfDay()
            self.tod.init(pp_dir, self.pp_home, self.pp_profile, self.root,
                          self.handle_command)
            self.tod_enabled = True

        # then start the time of day scheduler
        if self.tod_enabled is True:
            self.tod.poll()

        # start Tkinters event loop
        self.root.mainloop()

    def parse_screen(self, size_text):
        fields = size_text.split('*')
        if len(fields) != 2:
            return 'error', 'do not understand --fullscreen comand option', 0, 0
        elif fields[0].isdigit() is False or fields[1].isdigit() is False:
            return 'error', 'dimensions are not positive integers in ---fullscreen', 0, 0
        else:
            return 'normal', '', int(fields[0]), int(fields[1])

# *********************
#  RUN START SHOWS
# ********************

    def run_start_shows(self):
        self.mon.trace(self, 'run start shows')
        # parse the start shows field and start the initial shows
        show_refs = self.starter_show['start-show'].split()
        for show_ref in show_refs:
            reason, message = self.show_manager.control_a_show(
                show_ref, 'open')
            if reason == 'error':
                self.mon.err(self, message)

# *********************
# User inputs
# ********************
# handles one command provided as a line of text

    def handle_command(self, command_text):
        self.mon.log(self, "command received: " + command_text)
        if command_text.strip() == "":
            return

        if command_text[0] == '/':
            if self.osc_enabled is True:
                self.oscdriver.send_command(command_text)
            return

        fields = command_text.split()
        show_command = fields[0]
        if len(fields) > 1:
            show_ref = fields[1]
        else:
            show_ref = ''

        if show_command in ('open', 'close'):
            if self.shutdown_required is False:
                reason, message = self.show_manager.control_a_show(
                    show_ref, show_command)
            else:
                return
        elif show_command == 'exitpipresents':
            self.exitpipresents_required = True
            if self.show_manager.all_shows_exited() is True:
                # need root.after to get out of st thread
                self.root.after(1, self.e_all_shows_ended_callback)
                return
            else:
                reason, message = self.show_manager.exit_all_shows()

        elif show_command == 'shutdownnow':
            # need root.after to get out of st thread
            self.root.after(1, self.e_shutdown_pressed)
            return
        else:
            reason = 'error'
            message = 'command not recognised: ' + show_command

        if reason == 'error':
            self.mon.err(self, message)
        return

    def e_all_shows_ended_callback(self):
        self.all_shows_ended_callback('normal', 'no shows running')

    def e_shutdown_pressed(self):
        self.shutdown_pressed('now')

    def e_osc_handle_output_event(self, line):
        #jump  out of server thread
        self.root.after(1, lambda arg=line: self.osc_handle_output_event(arg))

    def osc_handle_output_event(self, line):
        self.mon.log(self, "output event received: " + line)
        #osc sends output events as a string
        reason, message, delay, name, param_type, param_values = self.animate.parse_animate_fields(
            line)
        if reason == 'error':
            self.mon.err(self, message)
            self.end(reason, message)
        self.handle_output_event(name, param_type, param_values, 0)

    def handle_output_event(self, symbol, param_type, param_values, req_time):
        if self.gpio_enabled is True:
            reason, message = self.gpiodriver.handle_output_event(
                symbol, param_type, param_values, req_time)
            if reason == 'error':
                self.mon.err(self, message)
                self.end(reason, message)
        else:
            self.mon.warn(self, 'GPIO not enabled')

    # all input events call this callback with a symbolic name.
    # handle events that affect PP overall, otherwise pass to all active shows
    def handle_input_event(self, symbol, source):
        self.mon.log(self, "event received: " + symbol + ' from ' + source)
        if symbol == 'pp-terminate':
            self.handle_user_abort()

        elif symbol == 'pp-shutdown':
            self.shutdown_pressed('delay')

        elif symbol == 'pp-shutdownnow':
            # need root.after to grt out of st thread
            self.root.after(1, self.e_shutdown_pressed)
            return

        elif symbol == 'pp-exitpipresents':
            self.exitpipresents_required = True
            if self.show_manager.all_shows_exited() is True:
                # need root.after to grt out of st thread
                self.root.after(1, self.e_all_shows_ended_callback)
                return
            reason, message = self.show_manager.exit_all_shows()
        else:
            # events for shows affect the show and could cause it to exit.
            for show in self.show_manager.shows:
                show_obj = show[ShowManager.SHOW_OBJ]
                if show_obj is not None:
                    show_obj.handle_input_event(symbol)

    def shutdown_pressed(self, when):
        if when == 'delay':
            self.root.after(5000, self.on_shutdown_delay)
        else:
            self.shutdown_required = True
            if self.show_manager.all_shows_exited() is True:
                self.all_shows_ended_callback('normal', 'no shows running')
            else:
                # calls exit method of all shows, results in all_shows_closed_callback
                self.show_manager.exit_all_shows()

    def on_shutdown_delay(self):
        # 5 second delay is up, if shutdown button still pressed then shutdown
        if self.gpiodriver.shutdown_pressed() is True:
            self.shutdown_required = True
            if self.show_manager.all_shows_exited() is True:
                self.all_shows_ended_callback('normal', 'no shows running')
            else:
                # calls exit method of all shows, results in all_shows_closed_callback
                self.show_manager.exit_all_shows()

    def handle_sigterm(self, signum, frame):
        self.mon.log(self, 'SIGTERM received - ' + str(signum))
        self.terminate()

    def handle_user_abort(self):
        self.mon.log(self, 'User abort received')
        self.terminate()

    def terminate(self):
        self.mon.log(self, "terminate received")
        needs_termination = False
        for show in self.show_manager.shows:
            # print  show[ShowManager.SHOW_OBJ], show[ShowManager.SHOW_REF]
            if show[ShowManager.SHOW_OBJ] is not None:
                needs_termination = True
                self.mon.log(
                    self,
                    "Sent terminate to show " + show[ShowManager.SHOW_REF])
                # call shows terminate method
                # eventually the show will exit and after all shows have exited all_shows_callback will be executed.
                show[ShowManager.SHOW_OBJ].terminate()
        if needs_termination is False:
            self.end('killed', 'killed - no termination of shows required')


# ******************************
# Ending Pi Presents after all the showers and players are closed
# **************************

# callback from ShowManager when all shows have ended

    def all_shows_ended_callback(self, reason, message):
        self.canvas.config(bg=self.pp_background)
        if reason in (
                'killed', 'error'
        ) or self.shutdown_required is True or self.exitpipresents_required is True:
            self.end(reason, message)

    def end(self, reason, message):
        self.mon.log(self, "Pi Presents ending with reason: " + reason)
        if self.root is not None:
            self.root.destroy()
        self.tidy_up()
        # gc.collect()
        # print gc.garbage
        if reason == 'killed':
            self.mon.log(self, "Pi Presents Aborted, au revoir")
            # close logging files
            self.mon.finish()
            sys.exit(101)
        elif reason == 'error':
            self.mon.log(self, "Pi Presents closing because of error, sorry")
            # close logging files
            self.mon.finish()
            sys.exit(102)
        else:
            self.mon.log(self, "Pi Presents  exiting normally, bye")
            # close logging files
            self.mon.finish()
            if self.shutdown_required is True:
                # print 'SHUTDOWN'
                call(['sudo', 'shutdown', '-h', '-t 5', 'now'])
                sys.exit(100)
            else:
                sys.exit(100)

    # tidy up all the peripheral bits of Pi Presents
    def tidy_up(self):
        self.mon.log(self, "Tidying Up")
        # turn screen blanking back on
        if self.options['noblank'] is True:
            call(["xset", "s", "on"])
            call(["xset", "s", "+dpms"])

        # tidy up animation and gpio
        if self.animate is not None:
            self.animate.terminate()

        if self.gpio_enabled == True:
            self.gpiodriver.terminate()

        if self.osc_enabled is True:
            self.oscdriver.terminate()

        # tidy up time of day scheduler
        if self.tod_enabled is True:
            self.tod.terminate()
コード例 #12
0
class OSCRemote(object):

    def __init__(self):
    
        self.editor_issue="1.3"

        # get command options
        self.command_options=remote_options()

        # get directory holding the code
        self.pp_dir=sys.path[0]
            
        if not os.path.exists(self.pp_dir+os.sep+"pp_oscremote.py"):
            tkMessageBox.showwarning("Pi Presents","Bad Application Directory")
            exit()
            
          
        # Initialise logging
        Monitor.log_path=self.pp_dir
        self.mon=Monitor()
        self.mon.init()
        
        Monitor.classes  = ['OSCRemote','OSCConfig','OSCEditor']

        Monitor.log_level = int(self.command_options['debug'])

        self.mon.log (self, "Pi Presents Remote is starting")
        self.mon.log (self," OS and separator " + os.name +'  ' + os.sep)
        self.mon.log(self,"sys.path[0] -  location of code: code "+sys.path[0])

        self.setup_gui()

        # OSC config class
        self.osc_config=OSCConfig()

        self.init()

        #and start the system
        self.root.after(1000,self.run_app)
        self.root.mainloop()


    def init(self):
        self.osc_config_file = self.pp_dir + os.sep + 'pp_config' + os.sep + 'pp_oscremote.cfg'
        self.read_create_osc()
        self.pp_home_dir = self.osc_config.pp_home_dir
        self.pp_profiles_offset = self.osc_config.pp_profiles_offset
        self.mon.log(self,"Data Home from options is "+self.pp_home_dir)
        self.mon.log(self,"Current Profiles Offset from options is "+self.pp_profiles_offset)
        self.pp_profile_dir=''

        self.current_showlist=None
        self.current_show=None
        self.current_show_ref=''
        self.shows_display.delete(0,END)
        self.results.set('')

        
    def add_status(self,text):
        self.status_display.insert(END,text+'\n')
        self.status_display.see(END)

    def run_app(self):
        self.client=None
        self.server=None
        self.st=None
        
        # initialise OSC variables
        self.prefix='/pipresents'
        self.this_unit='/' + self.osc_config.this_unit_name
        self.add_status('this unit is: '+self.this_unit)
        self.controlled_unit='/'+self.osc_config.controlled_unit_1_name
        self.add_status('controlled unit is: '+self.controlled_unit)
       
        #connect client then start server to listen for replies
        self.init_client()
        self.add_status('connecting to controlled unit: '+self.osc_config.controlled_unit_1_ip+':'+self.osc_config.controlled_unit_1_port +' '+self.osc_config.controlled_unit_1_name)
        self.connect_client(self.osc_config.controlled_unit_1_ip,self.osc_config.controlled_unit_1_port)
        self.add_status('listening for replies on:'+self.osc_config.this_unit_ip+':'+self.osc_config.this_unit_port)
        self.init_server(self.osc_config.this_unit_ip,self.osc_config.this_unit_port,self.client)
        self.add_initial_handlers()
        self.start_server()


# ***************************************
#  RESPOND TO BUTTONS
# ***************************************

    def open_show(self):
        self.msg_path= '/core/open '
        self.msg_arg_text= self.current_show_ref
        self.display_msg_text()


    def close_show(self):
        self.msg_path= '/core/close '
        self.msg_arg_text=self.current_show_ref
        self.display_msg_text()


    def exit_pipresents(self):
        self.msg_path= '/core/exitpipresents'
        self.msg_arg_text=''
        self.display_msg_text()

    
    def play_event(self):
        self.msg_path= '/core/event'
        self.msg_arg_text = 'pp-play'
        self.display_msg_text()


    def pause_event(self):
        self.msg_path= '/core/event'
        self.msg_arg_text='pp-pause'
        self.display_msg_text()
        pass

    def stop_event(self):
        self.msg_path= '/core/event'
        self.msg_arg_text='pp-stop'
        self.display_msg_text()
        pass
    
    def up_event(self):
        self.msg_path= '/core/event'
        self.msg_arg_text='pp-up'
        self.display_msg_text()


    def down_event(self):
        self.msg_path= '/core/event'
        self.msg_arg_text='pp-down'
        self.display_msg_text()


    def output(self):
        self.msg_path= '/core/output'
        self.msg_arg_text=''
        self.display_msg_text()

    def loopback(self):
        self.msg_path= '/system/loopback'
        self.msg_arg_text=''
        self.display_msg_text()        


    def server_info(self):
        self.msg_path= '/system/server-info'
        self.msg_arg_text=''
        self.display_msg_text()         


    # and put the created text in the results box in the gui
    def display_msg_text(self):
        self.results.set(self.prefix+self.controlled_unit+self.msg_path+' '+self.msg_arg_text)


    #calback from the Send button
    # parses the message string into fields and sends - NO error checking
    def send_message(self):
        msg_text=self.results.get()
        self.add_status('Send message:'+msg_text)
        self.mon.log(self,'send message: ' + msg_text )
        fields=msg_text.split()
        address = fields[0]
        arg_list=fields[1:]
        self.send(address,arg_list)


    # ***************************************
    # OSC CLIENT TO SEND MESSAGES
    # ***************************************

    def init_client(self):
       self.client = OSC.OSCClient()

    def connect_client(self,ip,port):
        self.mon.log(self,'connect to: '+ip+':'+str(port))
        self.client.connect( (ip, int(port)) ) 


    def send(self,address,arg_list):
        msg = OSC.OSCMessage()
        msg.setAddress(address)
        for arg in arg_list:
            msg.append(arg)
        self.client.send(msg)    


    def disconnect_client(self):
        self.client.close()
        return


    # ***************************************
    # OSC SERVER TO LISTEN TO REPLIES
    # ***************************************

    def init_server(self,ip,port_text,client):
        self.mon.log(self,'Start Server: '+ip+':'+port_text)
        self.server = OSC.OSCServer((ip,int(port_text)),client)

    def start_server(self):
        self.st = threading.Thread( target = self.server.serve_forever )
        self.st.start()

    def close_server(self):
        if self.server != None:
            self.server.close()
        self.mon.log(self, 'Waiting for Server-thread to finish')
        if self.st != None:
            self.st.join() ##!!!
        self.mon.log(self,'server thread closed')


    def add_initial_handlers(self):
        self.server.addMsgHandler('default', self.no_match_handler)     
        self.server.addMsgHandler(self.prefix+self.this_unit+"/system/loopback-reply", self.loopback_reply_handler)
        self.server.addMsgHandler(self.prefix+self.this_unit+"/system/server-info-reply", self.server_info_reply_handler)

    def no_match_handler(self,addr, tags, stuff, source):
        text=''
        text+= "no match for new osc msg from %s" % OSC.getUrlStr(source)+'\n'
        text+= "with addr : %s" % addr+'\n'
        text+= "typetags %s" % tags+'\n'
        text+= "data %s" % stuff+'\n'
        self.add_status(text+'\n')

        
    def loopback_reply_handler(self,addr, tags, stuff, source):
        self.add_status('Loopback reply  received from: '+  self.pretty_list(source))


    def server_info_reply_handler(self,addr, tags, stuff, source):
        self.add_status('Server Information from: '+  self.pretty_list(source)  + '\n   ' + self.pretty_list(stuff))


    def pretty_list(self,fields):
        text=' '
        for field in fields:
            text += str(field) + ' '
        return text


    # ***************************************
    # INIT EXIT MISC
    # ***************************************

    def e_edit_osc(self):
        self.disconnect_client()
        self.close_server()
        self.edit_osc()
        self.init()
        self.add_status('\n\n\nRESTART')
        self.run_app()


    def app_exit(self):
        self.disconnect_client()
        self.close_server()
        if self.root is not None:
            self.root.destroy()
        self.mon.finish()
        sys.exit() 


    def show_help (self):
        tkMessageBox.showinfo("Help","Read 'manual.pdf'")
  

    def about (self):
        tkMessageBox.showinfo("About","Simple Remote Control for Pi Presents\n"
                              +"Author: Ken Thompson"
                              +"\nWebsite: http://pipresents.wordpress.com/")


    def setup_gui(self):
        # set up the gui
 
        # root is the Tkinter root widget
        self.root = Tk()
        self.root.title("Remote Control for Pi Presents")

        # self.root.configure(background='grey')

        self.root.resizable(False,False)

        # define response to main window closing
        self.root.protocol ("WM_DELETE_WINDOW", self.app_exit)

        # bind some display fields
        self.filename = StringVar()
        self.display_show = StringVar()
        self.results = StringVar()
        self.status = StringVar()

        # define menu
        menubar = Menu(self.root)

        profilemenu = Menu(menubar, tearoff=0, bg="grey", fg="black")
        profilemenu.add_command(label='Select', command = self.open_existing_profile)
        menubar.add_cascade(label='Profile', menu = profilemenu)

        
        toolsmenu = Menu(menubar, tearoff=0, bg="grey", fg="black")
        menubar.add_cascade(label='Tools', menu = toolsmenu)

        osc_configmenu = Menu(menubar, tearoff=0, bg="grey", fg="black")
        menubar.add_cascade(label='OSC', menu = osc_configmenu)
        osc_configmenu.add_command(label='Edit', command = self.e_edit_osc)

        helpmenu = Menu(menubar, tearoff=0, bg="grey", fg="black")
        menubar.add_cascade(label='Help', menu = helpmenu)
        helpmenu.add_command(label='Help', command = self.show_help)
        helpmenu.add_command(label='About', command = self.about)
         
        self.root.config(menu=menubar)



        #top frame
        top_frame=Frame(self.root,padx=5,pady=5)
        top_frame.pack(side=TOP)
        
        results_label = Label(top_frame, text="Message to Send",font="arial 12 bold")
        results_label.pack(side=LEFT)
        results_display=Entry(top_frame, textvariable=self.results, width=70)
        results_display.pack(side=LEFT,fill=BOTH, expand=1)
        send_button = Button(top_frame, width = 5, height = 1, text='Send',
                            fg='black', command = self.send_message, bg="light grey")
        send_button.pack(side=RIGHT)

        #bottom frame
        bottom_frame=Frame(self.root,padx=5,pady=5)
        bottom_frame.pack(side=TOP, fill=BOTH, expand=1) 
        left_frame=Frame(bottom_frame, padx=5)
        left_frame.pack(side=LEFT)            
        right_frame=Frame(bottom_frame,padx=5,pady=5)
        right_frame.pack(side=LEFT)

        suplabel_frame=Frame(right_frame,pady=5)
        suplabel_frame.pack(side=TOP)
        commands_label = Label(suplabel_frame, text="Show Control",font="arial 12 bold")
        commands_label.pack()
                            
        supervisor_frame=Frame(right_frame,pady=5)
        supervisor_frame.pack(side=TOP)

        # supervisor buttons 
        add_button = Button(supervisor_frame, width = 5, height = 1, text='Open\nShow',
                            fg='black', command = self.open_show, bg="light grey")
        add_button.pack(side=LEFT)
        add_button = Button(supervisor_frame, width = 5, height = 1, text='Close\nShow',
                            fg='black', command = self.close_show, bg="light grey")
        add_button.pack(side=LEFT)
        add_button = Button(supervisor_frame, width = 10, height = 1, text='Exit\nPi Presents',
                            fg='black', command = self.exit_pipresents, bg="light grey")
        add_button.pack(side=LEFT)

        # events buttons        
        oplabel_frame=Frame(right_frame,pady=5)
        oplabel_frame.pack(side=TOP)
        operations_label = Label(oplabel_frame, text="Input Events",
                                 font="arial 12 bold")
        operations_label.pack()
        
        operations_frame=Frame(right_frame,pady=5)
        operations_frame.pack(side=TOP)
                              
        add_button = Button(operations_frame, width = 5, height = 1, text='Play',
                            fg='black', command = self.play_event, bg="light grey")
        add_button.pack(side=LEFT)   
        add_button = Button(operations_frame, width = 5, height = 1, text='Pause',
                            fg='black', command = self.pause_event, bg="light grey")
        add_button.pack(side=LEFT)
        add_button = Button(operations_frame, width = 5, height = 1, text='Stop',
                            fg='black', command = self.stop_event, bg="light grey")
        add_button.pack(side=LEFT)
        add_button = Button(operations_frame, width = 5, height = 1, text='Up',
                            fg='black', command = self.up_event, bg="light grey")
        add_button.pack(side=LEFT)
        add_button = Button(operations_frame, width = 5, height = 1, text='Down',
                            fg='black', command = self.down_event, bg="light grey")
        add_button.pack(side=LEFT)


        # animate buttons        
        animate_frame=Frame(right_frame,pady=5)
        animate_frame.pack(side=TOP)
        animate_label = Label(animate_frame, text="Control Outputs",
                                 font="arial 12 bold")
        animate_label.pack()
        
        animate_frame=Frame(right_frame,pady=5)
        animate_frame.pack(side=TOP)
                              
        add_button = Button(animate_frame, width = 5, height = 1, text='Output',
                            fg='black', command = self.output, bg="light grey")
        add_button.pack(side=LEFT)  

        
        # system buttons        
        systemlabel_frame=Frame(right_frame,pady=5)
        systemlabel_frame.pack(side=TOP)
        system_label = Label(systemlabel_frame, text="System",
                                 font="arial 12 bold")
        system_label.pack()
        
        system_frame=Frame(right_frame,pady=5)
        system_frame.pack(side=TOP)
                              
        add_button = Button(system_frame, width = 5, height = 1, text='Loopback',
                            fg='black', command = self.loopback, bg="light grey")
        add_button.pack(side=LEFT)   
        add_button = Button(system_frame, width = 10, height = 1, text='Server Info',
                            fg='black', command = self.server_info, bg="light grey")
        add_button.pack(side=LEFT)



        # define display of showlist
        shows_title_frame=Frame(left_frame)
        shows_title_frame.pack(side=TOP)
        shows_label = Label(shows_title_frame, text="Shows")
        shows_label.pack()
        shows_frame=Frame(left_frame)
        shows_frame.pack(side=TOP)
        scrollbar = Scrollbar(shows_frame, orient=VERTICAL)
        self.shows_display = Listbox(shows_frame, selectmode=SINGLE, height=12,
                                     width = 40, bg="white",activestyle=NONE,
                                     fg="black", yscrollcommand=scrollbar.set)
        scrollbar.config(command=self.shows_display.yview)
        scrollbar.pack(side=RIGHT, fill=Y)
        self.shows_display.pack(side=LEFT, fill=BOTH, expand=1)
        self.shows_display.bind("<ButtonRelease-1>", self.e_select_show)


        # status_frame      
        status_frame=Frame(self.root,padx=5,pady=5)
        status_frame.pack(side=TOP, fill=BOTH, expand=1)
        status_label = Label(status_frame, text="Status",font="arial 12 bold")
        status_label.pack(side=LEFT)
        scrollbar = Scrollbar(status_frame, orient=VERTICAL)
        self.status_display=Text(status_frame,height=10, yscrollcommand=scrollbar.set)
        scrollbar.config(command=self.status_display.yview)
        scrollbar.pack(side=RIGHT, fill=Y)
        self.status_display.pack(side=LEFT,fill=BOTH, expand=1)


    # ***************************************
    # SHOWLIST
    # ***************************************

    def open_existing_profile(self):
        initial_dir=self.pp_home_dir+os.sep+"pp_profiles"+self.pp_profiles_offset
        if os.path.exists(initial_dir) is False:
            self.mon.err(self,"Profiles directory not found: " + initial_dir + "\n\nHint: Data Home option must end in pp_home")
            return
        dir_path=tkFileDialog.askdirectory(initialdir=initial_dir)
        # dir_path="C:\Users\Ken\pp_home\pp_profiles\\ttt"
        if len(dir_path)>0:
            self.open_profile(dir_path)

    def open_profile(self,dir_path):
        showlist_file = dir_path + os.sep + "pp_showlist.json"
        if os.path.exists(showlist_file) is False:
            self.mon.err(self,"Not a Profile: " + dir_path + "\n\nHint: Have you opened the profile directory?")
            return
        self.pp_profile_dir = dir_path
        self.root.title("Remote for Pi Presents - "+ self.pp_profile_dir)
        self.open_showlist(self.pp_profile_dir)

    def open_showlist(self,profile_dir):
        showlist_file = profile_dir + os.sep + "pp_showlist.json"
        if os.path.exists(showlist_file) is False:
            self.mon.err(self,"showlist file not found at " + profile_dir + "\n\nHint: Have you opened the profile directory?")
            self.app_exit()
        self.current_showlist=ShowList()
        self.current_showlist.open_json(showlist_file)
        if float(self.current_showlist.sissue()) != float(self.editor_issue):
            self.mon.err(self,"Version of profile does not match Remote: "+self.editor_issue)
            self.app_exit()
        self.refresh_shows_display()


    def refresh_shows_display(self):
        self.shows_display.delete(0,self.shows_display.size())
        for index in range(self.current_showlist.length()):
            self.shows_display.insert(END, self.current_showlist.show(index)['title']+"   ["+self.current_showlist.show(index)['show-ref']+"]")        
        if self.current_showlist.show_is_selected():
            self.shows_display.itemconfig(self.current_showlist.selected_show_index(),fg='red')            
            self.shows_display.see(self.current_showlist.selected_show_index())

    def e_select_show(self,event):
        print 'select show', self.current_showlist.length()
        if self.current_showlist is not None and self.current_showlist.length()>0:
            mouse_item_index=int(event.widget.curselection()[0])
            self.current_showlist.select(mouse_item_index)
            self.current_show_ref=self.current_showlist.selected_show()['show-ref']
            self.refresh_shows_display()
        else:
            self.current_show_ref=''


# ***************************************
#  OSC CONFIGURATION
# ***************************************

    def read_create_osc(self):
        if self.osc_config.read(self.osc_config_file) is False:
            self.osc_config.create(self.osc_config_file)
            eosc = OSCEditor(self.root, self.osc_config_file,'remote','Create OSC Remote Configuration')
            self.osc_config.read(self.osc_config_file)


    def edit_osc(self):
        if self.osc_config.read(self.osc_config_file) is False:
            self.osc_config.create(self.osc_config_file)
        eosc = OSCEditor(self.root, self.osc_config_file,'remote','Edit OSC Reomote Configuration')
コード例 #13
-1
class PiPresents(object):

    def pipresents_version(self):
        vitems=self.pipresents_issue.split('.')
        if len(vitems)==2:
            # cope with 2 digit version numbers before 1.3.2
            return 1000*int(vitems[0])+100*int(vitems[1])
        else:
            return 1000*int(vitems[0])+100*int(vitems[1])+int(vitems[2])


    def __init__(self):
        # gc.set_debug(gc.DEBUG_UNCOLLECTABLE|gc.DEBUG_INSTANCES|gc.DEBUG_OBJECTS|gc.DEBUG_SAVEALL)
        gc.set_debug(gc.DEBUG_UNCOLLECTABLE|gc.DEBUG_SAVEALL)
        self.pipresents_issue="1.3.5"
        self.pipresents_minorissue = '1.3.5d'
        # position and size of window without -f command line option
        self.nonfull_window_width = 0.45 # proportion of width
        self.nonfull_window_height= 0.7 # proportion of height
        self.nonfull_window_x = 0 # position of top left corner
        self.nonfull_window_y=0   # position of top left corner


        StopWatch.global_enable=False

        # set up the handler for SIGTERM
        signal.signal(signal.SIGTERM,self.handle_sigterm)
        

# ****************************************
# Initialisation
# ***************************************
        # get command line options
        self.options=command_options()

        # get Pi Presents code directory
        pp_dir=sys.path[0]
        self.pp_dir=pp_dir
        
        if not os.path.exists(pp_dir+"/pipresents.py"):
            if self.options['manager']  is False:
                tkMessageBox.showwarning("Pi Presents","Bad Application Directory")
            exit(102)

        
        # Initialise logging and tracing
        Monitor.log_path=pp_dir
        self.mon=Monitor()
        # Init in PiPresents only
        self.mon.init()

        # uncomment to enable control of logging from within a class
        # Monitor.enable_in_code = True # enables control of log level in the code for a class  - self.mon.set_log_level()

        
        # make a shorter list to log/trace only some classes without using enable_in_code.
        Monitor.classes  = ['PiPresents',
                            
                            'HyperlinkShow','RadioButtonShow','ArtLiveShow','ArtMediaShow','MediaShow','LiveShow','MenuShow',
                            'GapShow','Show','ArtShow',
                            'AudioPlayer','BrowserPlayer','ImagePlayer','MenuPlayer','MessagePlayer','VideoPlayer','Player',
                            'MediaList','LiveList','ShowList',
                            'PathManager','ControlsManager','ShowManager','PluginManager','IOPluginManager',
                            'MplayerDriver','OMXDriver','UZBLDriver',
                            'TimeOfDay','ScreenDriver','Animate','OSCDriver','CounterManager',
                            'Network','Mailer'
                            ]
        

        # Monitor.classes=['PiPresents','MediaShow','GapShow','Show','VideoPlayer','Player','OMXDriver']
        # Monitor.classes=['OSCDriver']
        
        # get global log level from command line
        Monitor.log_level = int(self.options['debug'])
        Monitor.manager = self.options['manager']
        # print self.options['manager']
        self.mon.newline(3)
        self.mon.sched (self,None, "Pi Presents is starting, Version:"+self.pipresents_minorissue + ' at '+time.strftime("%Y-%m-%d %H:%M.%S"))
        self.mon.log (self, "Pi Presents is starting, Version:"+self.pipresents_minorissue+ ' at '+time.strftime("%Y-%m-%d %H:%M.%S"))
        # self.mon.log (self," OS and separator:" + os.name +'  ' + os.sep)
        self.mon.log(self,"sys.path[0] -  location of code: "+sys.path[0])

        # log versions of Raspbian and omxplayer, and GPU Memory
        with open("/boot/issue.txt") as ifile:
            self.mon.log(self,'\nRaspbian: '+ifile.read())

        self.mon.log(self,'\n'+check_output(["omxplayer", "-v"]))
        self.mon.log(self,'\nGPU Memory: '+check_output(["vcgencmd", "get_mem", "gpu"]))

        if os.geteuid() == 0:
            print 'Do not run Pi Presents with sudo'
            self.mon.log(self,'Do not run Pi Presents with sudo')
            self.mon.finish()
            sys.exit(102)

        
        if "DESKTOP_SESSION" not in os.environ:
            print 'Pi Presents must be run from the Desktop'
            self.mon.log(self,'Pi Presents must be run from the Desktop')
            self.mon.finish()
            sys.exit(102)
        else:
            self.mon.log(self,'Desktop is '+ os.environ['DESKTOP_SESSION'])
        
        # optional other classes used
        self.root=None
        self.ppio=None
        self.tod=None
        self.animate=None
        self.ioplugin_manager=None
        self.oscdriver=None
        self.osc_enabled=False
        self.tod_enabled=False
        self.email_enabled=False
        
        user=os.getenv('USER')

        if user is None:
            tkMessageBox.showwarning("You must be logged in to run Pi Presents")
            exit(102)

        if user !='pi':
            self.mon.warn(self,"You must be logged as pi to use GPIO")

        self.mon.log(self,'User is: '+ user)
        # self.mon.log(self,"os.getenv('HOME') -  user home directory (not used): " + os.getenv('HOME')) # does not work
        # self.mon.log(self,"os.path.expanduser('~') -  user home directory: " + os.path.expanduser('~'))   # does not work



        # check network is available
        self.network_connected=False
        self.network_details=False
        self.interface=''
        self.ip=''
        self.unit=''
        
        # sets self.network_connected and self.network_details
        self.init_network()

        
        # start the mailer and send email when PP starts
        self.email_enabled=False
        if self.network_connected is True:
            self.init_mailer()
            if self.email_enabled is True and self.mailer.email_at_start is True:
                subject= '[Pi Presents] ' + self.unit + ': PP Started on ' + time.strftime("%Y-%m-%d %H:%M")
                message = time.strftime("%Y-%m-%d %H:%M") + '\nUnit: ' + self.unit + '   Profile: '+ self.options['profile']+ '\n ' + self.interface + '\n ' + self.ip 
                self.send_email('start',subject,message) 

         
        # get profile path from -p option
        if self.options['profile'] != '':
            self.pp_profile_path="/pp_profiles/"+self.options['profile']
        else:
            self.mon.err(self,"Profile not specified in command ")
            self.end('error','Profile not specified with the commands -p option')
        
       # get directory containing pp_home from the command,
        if self.options['home']  == "":
            home = os.sep+ 'home' + os.sep + user + os.sep+"pp_home"
        else:
            home = self.options['home'] + os.sep+ "pp_home"         
        self.mon.log(self,"pp_home directory is: " + home)


        # check if pp_home exists.
        # try for 10 seconds to allow usb stick to automount
        found=False
        for i in range (1, 10):
            self.mon.log(self,"Trying pp_home at: " + home +  " (" + str(i)+')')
            if os.path.exists(home):
                found=True
                self.pp_home=home
                break
            time.sleep (1)
        if found is True:
            self.mon.log(self,"Found Requested Home Directory, using pp_home at: " + home)
        else:
            self.mon.err(self,"Failed to find pp_home directory at " + home)
            self.end('error',"Failed to find pp_home directory at " + home)


        # check profile exists
        self.pp_profile=self.pp_home+self.pp_profile_path
        if os.path.exists(self.pp_profile):
            self.mon.sched(self,None,"Running profile: " + self.pp_profile_path)
            self.mon.log(self,"Found Requested profile - pp_profile directory is: " + self.pp_profile)
        else:
            self.mon.err(self,"Failed to find requested profile: "+ self.pp_profile)
            self.end('error',"Failed to find requested profile: "+ self.pp_profile)

        self.mon.start_stats(self.options['profile'])
        
        if self.options['verify'] is True:
            self.mon.err(self,"Validation option not supported - use the editor")
            self.end('error','Validation option not supported - use the editor')

         
        # initialise and read the showlist in the profile
        self.showlist=ShowList()
        self.showlist_file= self.pp_profile+ "/pp_showlist.json"
        if os.path.exists(self.showlist_file):
            self.showlist.open_json(self.showlist_file)
        else:
            self.mon.err(self,"showlist not found at "+self.showlist_file)
            self.end('error',"showlist not found at "+self.showlist_file)

        # check profile and Pi Presents issues are compatible
        if self.showlist.profile_version() != self.pipresents_version():
            self.mon.err(self,"Version of showlist " + self.showlist.profile_version_string + " is not  same as Pi Presents")
            self.end('error',"Version of showlist " + self.showlist.profile_version_string + " is not  same as Pi Presents")


        # get the 'start' show from the showlist
        index = self.showlist.index_of_start_show()
        if index >=0:
            self.showlist.select(index)
            self.starter_show=self.showlist.selected_show()
        else:
            self.mon.err(self,"Show [start] not found in showlist")
            self.end('error',"Show [start] not found in showlist")


# ********************
# SET UP THE GUI
# ********************
        # turn off the screenblanking and saver
        if self.options['noblank'] is True:
            call(["xset","s", "off"])
            call(["xset","s", "-dpms"])

        self.root=Tk()   
       
        self.title='Pi Presents - '+ self.pp_profile
        self.icon_text= 'Pi Presents'
        self.root.title(self.title)
        self.root.iconname(self.icon_text)
        self.root.config(bg=self.starter_show['background-colour'])

        self.mon.log(self, 'monitor screen dimensions are ' + str(self.root.winfo_screenwidth()) + ' x ' + str(self.root.winfo_screenheight()) + ' pixels')
        if self.options['screensize'] =='':        
            self.screen_width = self.root.winfo_screenwidth()
            self.screen_height = self.root.winfo_screenheight()
        else:
            reason,message,self.screen_width,self.screen_height=self.parse_screen(self.options['screensize'])
            if reason =='error':
                self.mon.err(self,message)
                self.end('error',message)

        self.mon.log(self, 'forced screen dimensions (--screensize) are ' + str(self.screen_width) + ' x ' + str(self.screen_height) + ' pixels')
       
        # set window dimensions and decorations
        if self.options['fullscreen'] is False:
            self.window_width=int(self.root.winfo_screenwidth()*self.nonfull_window_width)
            self.window_height=int(self.root.winfo_screenheight()*self.nonfull_window_height)
            self.window_x=self.nonfull_window_x
            self.window_y=self.nonfull_window_y
            self.root.geometry("%dx%d%+d%+d" % (self.window_width,self.window_height,self.window_x,self.window_y))
        else:
            self.window_width=self.screen_width
            self.window_height=self.screen_height
            self.root.attributes('-fullscreen', True)
            os.system('unclutter &')
            self.window_x=0
            self.window_y=0  
            self.root.geometry("%dx%d%+d%+d"  % (self.window_width,self.window_height,self.window_x,self.window_y))
            self.root.attributes('-zoomed','1')

        # canvas cover the whole screen whatever the size of the window. 
        self.canvas_height=self.screen_height
        self.canvas_width=self.screen_width
  
        # make sure focus is set.
        self.root.focus_set()

        # define response to main window closing.
        self.root.protocol ("WM_DELETE_WINDOW", self.handle_user_abort)

        # setup a canvas onto which will be drawn the images or text
        self.canvas = Canvas(self.root, bg=self.starter_show['background-colour'])


        if self.options['fullscreen'] is True:
            self.canvas.config(height=self.canvas_height,
                               width=self.canvas_width,
                               highlightthickness=0)
        else:
            self.canvas.config(height=self.canvas_height,
                    width=self.canvas_width,
                        highlightthickness=1,
                               highlightcolor='yellow')
            
        self.canvas.place(x=0,y=0)
        # self.canvas.config(bg='black')
        self.canvas.focus_set()


                
# ****************************************
# INITIALISE THE TOUCHSCREEN DRIVER
# ****************************************

        # each driver takes a set of inputs, binds them to symboic names
        # and sets up a callback which returns the symbolic name when an input event occurs

        self.sr=ScreenDriver()
        # read the screen click area config file
        reason,message = self.sr.read(pp_dir,self.pp_home,self.pp_profile)
        if reason == 'error':
            self.end('error','cannot find, or error in screen.cfg')


        # create click areas on the canvas, must be polygon as outline rectangles are not filled as far as find_closest goes
        # click areas are made on the Pi Presents canvas not the show canvases.
        reason,message = self.sr.make_click_areas(self.canvas,self.handle_input_event)
        if reason == 'error':
            self.mon.err(self,message)
            self.end('error',message)


# ****************************************
# INITIALISE THE APPLICATION AND START
# ****************************************
        self.shutdown_required=False
        self.reboot_required=False
        self.terminate_required=False
        self.exitpipresents_required=False

        # initialise the I/O plugins by importing their drivers
        self.ioplugin_manager=IOPluginManager()
        reason,message=self.ioplugin_manager.init(self.pp_dir,self.pp_profile,self.root,self.handle_input_event)
        if reason == 'error':
            # self.mon.err(self,message)
            self.end('error',message)

        
        # kick off animation sequencer
        self.animate = Animate()
        self.animate.init(pp_dir,self.pp_home,self.pp_profile,self.canvas,200,self.handle_output_event)
        self.animate.poll()

        #create a showmanager ready for time of day scheduler and osc server
        show_id=-1
        self.show_manager=ShowManager(show_id,self.showlist,self.starter_show,self.root,self.canvas,self.pp_dir,self.pp_profile,self.pp_home)
        # first time through set callback to terminate Pi Presents if all shows have ended.
        self.show_manager.init(self.canvas,self.all_shows_ended_callback,self.handle_command,self.showlist)
        # Register all the shows in the showlist
        reason,message=self.show_manager.register_shows()
        if reason == 'error':
            self.mon.err(self,message)
            self.end('error',message)


        # Init OSCDriver, read config and start OSC server
        self.osc_enabled=False
        if self.network_connected is True:
            if os.path.exists(self.pp_profile + os.sep + 'pp_io_config'+ os.sep + 'osc.cfg'):
                self.oscdriver=OSCDriver()
                reason,message=self.oscdriver.init(self.pp_profile,
                                                   self.unit,self.interface,self.ip,
                                                   self.handle_command,self.handle_input_event,self.e_osc_handle_animate)
                if reason == 'error':
                    self.mon.err(self,message)
                    self.end('error',message)
                else:
                    self.osc_enabled=True
                    self.root.after(1000,self.oscdriver.start_server())

        
        # initialise ToD scheduler calculating schedule for today
        self.tod=TimeOfDay()
        reason,message,self.tod_enabled = self.tod.init(pp_dir,self.pp_home,self.pp_profile,self.showlist,self.root,self.handle_command)
        if reason == 'error':
            self.mon.err(self,message)
            self.end('error',message)
            
        # warn if the network not available when ToD required
        if self.tod_enabled is True and self.network_connected is False:
            self.mon.warn(self,'Network not connected  so Time of Day scheduler may be using the internal clock')

        # init the counter manager
        self.counter_manager=CounterManager()
        self.counter_manager.init()


        # warn about start shows and scheduler

        if self.starter_show['start-show']=='' and self.tod_enabled is False:
            self.mon.sched(self,None,"No Start Shows in Start Show and no shows scheduled") 
            self.mon.warn(self,"No Start Shows in Start Show and no shows scheduled")

        if self.starter_show['start-show'] !='' and self.tod_enabled is True:
            self.mon.sched(self,None,"Start Shows in Start Show and shows scheduled - conflict?") 
            self.mon.warn(self,"Start Shows in Start Show and shows scheduled - conflict?")

        # run the start shows
        self.run_start_shows()           

        # kick off the time of day scheduler which may run additional shows
        if self.tod_enabled is True:
            self.tod.poll()

        # start the I/O plugins input event generation
        self.ioplugin_manager.start()


        # start Tkinters event loop
        self.root.mainloop( )


    def parse_screen(self,size_text):
        fields=size_text.split('*')
        if len(fields)!=2:
            return 'error','do not understand --screensize comand option',0,0
        elif fields[0].isdigit()  is False or fields[1].isdigit()  is False:
            return 'error','dimensions are not positive integers in --screensize',0,0
        else:
            return 'normal','',int(fields[0]),int(fields[1])
        

# *********************
#  RUN START SHOWS
# ********************   
    def run_start_shows(self):
        self.mon.trace(self,'run start shows')
        # parse the start shows field and start the initial shows       
        show_refs=self.starter_show['start-show'].split()
        for show_ref in show_refs:
            reason,message=self.show_manager.control_a_show(show_ref,'open')
            if reason == 'error':
                self.mon.err(self,message)
                


# *********************
# User inputs
# ********************

    def e_osc_handle_animate(self,line):
        #jump  out of server thread
        self.root.after(1, lambda arg=line: self.osc_handle_animate(arg))

    def osc_handle_animate(self,line):
        self.mon.log(self,"animate command received: "+ line)
        #osc sends output events as a string
        reason,message,delay,name,param_type,param_values=self.animate.parse_animate_fields(line)
        if reason == 'error':
            self.mon.err(self,message)
            self.end(reason,message)
        self.handle_output_event(name,param_type,param_values,0)

    # output events are animate commands       
    def handle_output_event(self,symbol,param_type,param_values,req_time):
            reason,message=self.ioplugin_manager.handle_output_event(symbol,param_type,param_values,req_time)
            if reason =='error':
                self.mon.err(self,message)
                self.end(reason,message)



    # all input events call this callback providing a symbolic name.
    # handle events that affect PP overall, otherwise pass to all active shows
    def handle_input_event(self,symbol,source):
        self.mon.log(self,"event received: "+symbol + ' from '+ source)
        if symbol == 'pp-terminate':
            self.handle_user_abort()
            
        elif symbol == 'pp-shutdown':
            self.mon.err(self,'pp-shutdown removed in version 1.3.3a, see Release Notes')
            self.end('error','pp-shutdown removed in version 1.3.3a, see Release Notes')

            
        elif symbol == 'pp-shutdownnow':
            # need root.after to grt out of st thread
            self.root.after(1,self.shutdownnow_pressed)
            return
        
        elif symbol == 'pp-exitpipresents':
            self.exitpipresents_required=True
            if self.show_manager.all_shows_exited() is True:
                # need root.after to grt out of st thread
                self.root.after(1,self.e_all_shows_ended_callback)
                return
            reason,message= self.show_manager.exit_all_shows()
        else:
            # pass the input event to all registered shows
            for show in self.show_manager.shows:
                show_obj=show[ShowManager.SHOW_OBJ]
                if show_obj is not None:
                    show_obj.handle_input_event(symbol)



    # commands are generaed by tracks and shows
    # they can open or close shows, generate input events and do special tasks
    # commands also generate osc outputs to other computers
    # handles one command provided as a line of text
    
    def handle_command(self,command_text,source='',show=''):
        # print 'PIPRESENTS ',command_text,'\n   Source',source,'from',show
        self.mon.log(self,"command received: " + command_text)
        if command_text.strip()=="":
            return

        fields= command_text.split()

        if fields[0] in ('osc','OSC'): 
            if self.osc_enabled is True:
                status,message=self.oscdriver.parse_osc_command(fields[1:])
                if status=='warn':
                    self.mon.warn(self,message)
                if status=='error':
                    self.mon.err(self,message)
                    self.end('error',message)
                return
        

        if fields[0] =='counter':
            status,message=self.counter_manager.parse_counter_command(fields[1:])
            if status=='error':
                self.mon.err(self,message)
                self.end('error',message)
            return

                           
        show_command=fields[0]
        if len(fields)>1:
            show_ref=fields[1]
        else:
            show_ref=''
        if show_command in ('open','close','closeall','openexclusive'):
            self.mon.sched(self, TimeOfDay.now,command_text + ' received from show:'+show)
            if self.shutdown_required is False and self.terminate_required is False:
                reason,message=self.show_manager.control_a_show(show_ref,show_command)
            else:
                return
            
        elif show_command =='monitor':
            self.handle_monitor_command(show_ref)
            return

        elif show_command =='cec':
            self.handle_cec_command(show_ref)
            return
        
        elif show_command == 'event':
            self.handle_input_event(show_ref,'Show Control')
            return
        
        elif show_command == 'exitpipresents':
            self.exitpipresents_required=True
            if self.show_manager.all_shows_exited() is True:
                # need root.after to get out of st thread
                self.root.after(1,self.e_all_shows_ended_callback)
                return
            else:
                reason,message= self.show_manager.exit_all_shows()

        elif show_command == 'shutdownnow':
            # need root.after to get out of st thread
            self.root.after(1,self.shutdownnow_pressed)
            return

        elif show_command == 'reboot':
            # need root.after to get out of st thread
            self.root.after(1,self.reboot_pressed)
            return
        
        else:
            reason='error'
            message = 'command not recognised: '+ show_command
            
        if reason=='error':
            self.mon.err(self,message)
        return


    def handle_monitor_command(self,command):
        if command == 'on':
            os.system('vcgencmd display_power 1 >/dev/null')
        elif command == 'off':
            os.system('vcgencmd display_power 0 >/dev/null')

    def handle_cec_command(self,command):
        if command == 'on':
            os.system('echo "on 0" | cec-client -s')
        elif command == 'standby':
            os.system('echo "standby 0" | cec-client -s')

        elif command == 'scan':
            os.system('echo scan | cec-client -s -d 1')
                      
    # deal with differnt commands/input events

    def shutdownnow_pressed(self):
        self.shutdown_required=True
        if self.show_manager.all_shows_exited() is True:
           self.all_shows_ended_callback('normal','no shows running')
        else:
            # calls exit method of all shows, results in all_shows_closed_callback
            self.show_manager.exit_all_shows()

    def reboot_pressed(self):
        self.reboot_required=True
        if self.show_manager.all_shows_exited() is True:
           self.all_shows_ended_callback('normal','no shows running')
        else:
            # calls exit method of all shows, results in all_shows_closed_callback
            self.show_manager.exit_all_shows() 


    def handle_sigterm(self,signum,fframe):
        self.mon.log(self,'SIGTERM received - '+ str(signum))
        self.terminate()


    def handle_user_abort(self):
        self.mon.log(self,'User abort received')
        self.terminate()

    def terminate(self):
        self.mon.log(self, "terminate received")
        self.terminate_required=True
        needs_termination=False
        for show in self.show_manager.shows:
            # print  show[ShowManager.SHOW_OBJ], show[ShowManager.SHOW_REF]
            if show[ShowManager.SHOW_OBJ] is not None:
                needs_termination=True
                self.mon.log(self,"Sent terminate to show "+ show[ShowManager.SHOW_REF])
                # call shows terminate method
                # eventually the show will exit and after all shows have exited all_shows_callback will be executed.
                show[ShowManager.SHOW_OBJ].terminate()
        if needs_termination is False:
            self.end('killed','killed - no termination of shows required')



# ******************************
# Ending Pi Presents after all the showers and players are closed
# **************************

    def e_all_shows_ended_callback(self):
        self.all_shows_ended_callback('normal','no shows running')

    # callback from ShowManager when all shows have ended
    def all_shows_ended_callback(self,reason,message):
        self.canvas.config(bg=self.starter_show['background-colour'])
        if reason in ('killed','error') or self.shutdown_required is True or self.exitpipresents_required is True or self.reboot_required is True:
            self.end(reason,message)

    def end(self,reason,message):
        self.mon.log(self,"Pi Presents ending with reason: " + reason)
        if self.root is not None:
            self.root.destroy()
        self.tidy_up()
        if reason == 'killed':
            if self.email_enabled is True and self.mailer.email_on_terminate is True:
                subject= '[Pi Presents] ' + self.unit + ': PP Exited with reason: Terminated'
                message = time.strftime("%Y-%m-%d %H:%M") + '\n ' + self.unit + '\n ' + self.interface + '\n ' + self.ip 
                self.send_email(reason,subject,message)
            self.mon.sched(self, None,"Pi Presents Terminated, au revoir\n")
            self.mon.log(self, "Pi Presents Terminated, au revoir")
                          
            # close logging files
            self.mon.finish()
            print 'Uncollectable Garbage',gc.collect()
            # objgraph.show_backrefs(objgraph.by_type('Monitor'))
            sys.exit(101)
                          
        elif reason == 'error':
            if self.email_enabled is True and self.mailer.email_on_error is True:
                subject= '[Pi Presents] ' + self.unit + ': PP Exited with reason: Error'
                message_text = 'Error message: '+ message + '\n'+ time.strftime("%Y-%m-%d %H:%M") + '\n ' + self.unit + '\n ' + self.interface + '\n ' + self.ip 
                self.send_email(reason,subject,message_text)   
            self.mon.sched(self,None, "Pi Presents closing because of error, sorry\n")
            self.mon.log(self, "Pi Presents closing because of error, sorry")
                          
            # close logging files 
            self.mon.finish()
            print 'uncollectable garbage',gc.collect()
            sys.exit(102)

        else:           
            self.mon.sched(self,None,"Pi Presents  exiting normally, bye\n")
            self.mon.log(self,"Pi Presents  exiting normally, bye")
            
            # close logging files 
            self.mon.finish()
            if self.reboot_required is True:
                # print 'REBOOT'
                call (['sudo','reboot'])
            if self.shutdown_required is True:
                # print 'SHUTDOWN'
                call (['sudo','shutdown','now','SHUTTING DOWN'])
            print 'uncollectable garbage',gc.collect()
            sys.exit(100)


    # tidy up all the peripheral bits of Pi Presents
    def tidy_up(self):
        self.handle_monitor_command('on')
        self.mon.log(self, "Tidying Up")
        # turn screen blanking back on
        if self.options['noblank'] is True:
            call(["xset","s", "on"])
            call(["xset","s", "+dpms"])
            
        # tidy up animation
        if self.animate is not None:
            self.animate.terminate()

        # tidy up i/o plugins
        if self.ioplugin_manager != None:
            self.ioplugin_manager.terminate()

        if self.osc_enabled is True:
            self.oscdriver.terminate()
            
        # tidy up time of day scheduler
        if self.tod_enabled is True:
            self.tod.terminate()



# *******************************
# Connecting to network and email
# *******************************

    def init_network(self):

        timeout=int(self.options['nonetwork'])
        if timeout== 0:
            self.network_connected=False
            self.unit=''
            self.ip=''
            self.interface=''
            return
        
        self.network=Network()
        self.network_connected=False

        # try to connect to network
        self.mon.log (self, 'Waiting up to '+ str(timeout) + ' seconds for network')
        success=self.network.wait_for_network(timeout)
        if success is False:
            self.mon.warn(self,'Failed to connect to network after ' + str(timeout) + ' seconds')
            # tkMessageBox.showwarning("Pi Presents","Failed to connect to network so using fake-hwclock")
            return

        self.network_connected=True
        self.mon.sched (self, None,'Time after network check is '+ time.strftime("%Y-%m-%d %H:%M.%S"))
        self.mon.log (self, 'Time after network check is '+ time.strftime("%Y-%m-%d %H:%M.%S"))

        # Get web configuration
        self.network_details=False
        network_options_file_path=self.pp_dir+os.sep+'pp_config'+os.sep+'pp_web.cfg'
        if not os.path.exists(network_options_file_path):
            self.mon.warn(self,"pp_web.cfg not found at "+network_options_file_path)
            return
        self.mon.log(self, 'Found pp_web.cfg in ' + network_options_file_path)

        self.network.read_config(network_options_file_path)
        self.unit=self.network.unit

        # get interface and IP details of preferred interface
        self.interface,self.ip = self.network.get_preferred_ip()
        if self.interface == '':
            self.network_connected=False
            return
        self.network_details=True
        self.mon.log (self, 'Network details ' + self.unit + ' ' + self.interface + ' ' +self.ip)


    def init_mailer(self):

        self.email_enabled=False
        email_file_path = self.pp_dir+os.sep+'pp_config'+os.sep+'pp_email.cfg'
        if not os.path.exists(email_file_path):
            self.mon.log(self,'pp_email.cfg not found at ' + email_file_path)
            return
        self.mon.log(self,'Found pp_email.cfg at ' + email_file_path)
        self.mailer=Mailer()
        self.mailer.read_config(email_file_path)
        # all Ok so can enable email if config file allows it.
        if self.mailer.email_allowed is True:
            self.email_enabled=True
            self.mon.log (self,'Email Enabled')


    def try_connect(self):
        tries=1
        while True:
            success, error = self.mailer.connect()
            if success is True:
                return True
            else:
                self.mon.log(self,'Failed to connect to email SMTP server ' + str(tries) +  '\n ' +str(error))
                tries +=1
                if tries >5:
                    self.mon.log(self,'Failed to connect to email SMTP server after ' + str(tries))
                    return False


    def send_email(self,reason,subject,message):
        if self.try_connect() is False:
            return False
        else:
            success,error = self.mailer.send(subject,message)
            if success is False:
                self.mon.log(self, 'Failed to send email: ' + str(error))
                success,error=self.mailer.disconnect()
                if success is False:
                    self.mon.log(self,'Failed disconnect after send:' + str(error))
                return False
            else:
                self.mon.log(self,'Sent email for ' + reason)
                success,error=self.mailer.disconnect()
                if success is False:
                    self.mon.log(self,'Failed disconnect from email server ' + str(error))
                return True