def initConnection(self): qr = qrcode.QRCode() qr.add_data(self.HOST) qr.make() self.qrImage = qr.make_image() main = Tk() photo = ImageTk.PhotoImage(self.qrImage) label = Label(image=photo) label.pack() self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) def task(): self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) self.socket.bind((self.HOST, self.PORT)) self.socket.listen(1) self.conn, self.addr = self.socket.accept() print 'connected by ' + repr(self.addr) data = self.conn.recv(1024) if "123" in str(data): self.conn.sendall("456") main.destroy() main.after(100, task) main.title("Scan this QR") main.mainloop()
def main(): root = Tk() # w, h = root.winfo_screenwidth(), root.winfo_screenheight() w, h = 960, 540 # get value from arduino # ser = serial.Serial('/dev/tty.usbserial', 9600) pos = 0 root.overrideredirect(1) root.focus_set() root.bind("<Escape>", lambda e: e.widget.quit()) root.geometry("%dx%d+300+300" % (w, h)) canvas = Canvas(root, width=w, height=h, background="black") rect0 = canvas.create_rectangle(w/2-75, h/2-20, w/2+75, h/2+20, fill="#05f", outline="#05f") rect1 = canvas.create_rectangle(w/2-20, h/2-75, w/2+20, h/2+75, fill="#05f", outline="#05f") canvas.pack() while (True): # gets angle and moves accordingly # pos = ser.readline() canvas.move(rect0, 1, 0) canvas.move(rect1, 1, 0) root.update() root.after(30) app = App(root) time.sleep(0.5) root.mainloop()
class App(object): def __init__(self, update, fps=8): self.t = 0 self.period = 1000/fps self.update = update self.master = Tk() m = self.update(self.t) self.W, self.H = m3d.shape(m) self.img = PhotoImage(width=self.W, height=self.H) canvas = Canvas(self.master, width=self.W, height=self.H) canvas.pack() canvas.create_image((self.W/2, self.H/2), image=self.img, state="normal") self._on_tick() def _on_tick(self): def _formatcolor(c): return '#{0:02X}{1:02X}{2:02X}'.format(*c) m = self.update(self.t) self.img.blank() lines = [] for j in xrange(self.H): line = ' '.join(_formatcolor(m[j][i]) for i in xrange(self.W)) lines.append( '{' + line + '}') self.img.put(' '.join(lines)) self.master.after(self.period, self._on_tick) self.t += self.period def start(self): self.master.mainloop()
def job(stockUrl, stockName, stockReferenceId, stockReferencePer, count, alert): r = urllib.urlopen(stockUrl).read() soup = BeautifulSoup(r, "html.parser") stockVal = soup.find_all("span", class_="pr") stockPercentage = soup.find_all("span", class_="ch bld") for element in stockPercentage: tempPercentage = element.find(id=stockReferencePer).get_text() percentage = tempPercentage.split("(")[1].split("%)")[0] print stockName + "\t" + percentage + "%" if abs(float(percentage)) <= (4.00): alert = 1 if abs(float(percentage)) >= (8.50): sendSMS(stockName, percentage, count) hasSent[count] = 1 for element in stockVal: price = element.find(id=stockReferenceId).get_text() print stockName + "\t" + price value = stockName + " " + str( price) + " INR \n and Stock is changed " + percentage + "%" if alert != 1: root = Tk() prompt = str(stockName) + '\n' + value label1 = Label(root, text=prompt, width=len(prompt)) label1.pack() def close_after_2s(): root.destroy() root.after(8000, close_after_2s) root.mainloop()
def initialize(caller_instance): root = Tk() root.resizable(0, 0) app = MainForm(parent=root, caller_instance=caller_instance) root.after(ms=100, func=app.checkStatus) root.mainloop() SHUTDOWN.set()
def main(): def writeData(): data = app.getNewData() if data: if data == "\exit": bluetooth.write('\x03') else: bluetooth.write(data + "\n") def readBluetoothData(): bluetoothData = bluetooth.readline() for i in range(0, 36): bluetoothData = bluetoothData.replace("[01;{0}m".format(i), "") bluetoothData = bluetoothData.replace("[0m", "") if bluetoothData: app.writeToConsole(bluetoothData) def communication(): writeData() readBluetoothData() root.after(2, communication) root = Tk() root.geometry("600x430+300+300") app = application(root) root.after(2, communication) root.mainloop()
def main(): # Default the port number port = 5002 if (len(sys.argv) > 1): if (sys.argv[1].isdigit()): port = int(sys.argv[1]) # Start listener and wait for a connection event = threading.Event() io = Listener("", port, event) while True: time.sleep(0.1) if event.is_set(): break # Have conneciton -->Start the GUI print "Starting GUI..." switches = Switch_state(io.get_socket(), False, False, False) switches.update_app() root = Tk() sim = Sim(root, switches) hdlr = Input_handler(root, sim, sim.lcd, sim.led, io.get_socket()) root.geometry("560x440") root.after(10, hdlr.read_socket) root.mainloop()
def __init__(self, _text): root = Tk() root.title("Steep Hound alert") label = Label(root, text=_text) label.pack(ipadx=5, ipady=5, padx=5, pady=5) root.after(5000, root.destroy) root.mainloop()
def expired(cur_dir, amount): """ Displays a "deadline expired" picture """ root = Tk() root.focus_set() # Get the size of the screen and place the splash screen in the center img = Image.open(str(cur_dir) + '/Images/Expired.gif') width = img.size[0] height = img.size[1] flog = root.winfo_screenwidth()/2-width/2 blog = root.winfo_screenheight()/2-height/2 root.overrideredirect(True) root.geometry('%dx%d+%d+%d' % (width*1, height + 44, flog, blog)) # Pack a canvas into the top level window. # This will be used to place the image expired_canvas = Canvas(root) expired_canvas.pack(fill="both", expand=True) # Open the image imgtk = PhotoImage(img) # Get the top level window size # Need a call to update first, or else size is wrong root.update() cwidth = root.winfo_width() cheight = root.winfo_height() # create the image on the canvas expired_canvas.create_image(cwidth/2, cheight/2.1, image=imgtk) Button(root, text='Deadline Expired by ' + str(amount ) + '. Assignment Submitted, time '\ 'noted', width=80, height=2, command=root.destroy).pack() root.after(5000, root.destroy) root.mainloop()
def success(cur_dir): """ Displays a "successful submission" picture """ root = Tk() root.focus_set() # Get the size of the screen and place the splash screen in the center img = Image.open(str(cur_dir) + '/Images/Success.gif') width = img.size[0] height = img.size[1] flog = (root.winfo_screenwidth()/2-width/2) blog = (root.winfo_screenheight()/2-height/2) root.overrideredirect(1) root.geometry('%dx%d+%d+%d' % (width, height, flog, blog)) # Pack a canvas into the top level window. # This will be used to place the image success_canvas = Canvas(root) success_canvas.pack(fill = "both", expand = True) # Open the image imgtk = PhotoImage(img) # Get the top level window size # Need a call to update first, or else size is wrong root.update() cwidth = root.winfo_width() cheight = root.winfo_height() # create the image on the canvas success_canvas.create_image(cwidth/2, cheight/2, image = imgtk) root.after(4000, root.destroy) root.mainloop()
def show(text, background="#fff", timeout_ms=DEFAULT_TIMEOUT, font_size=100): root = Tk() root.attributes("-topmost", True) root.lift() # Set Timeout root.after(timeout_ms, root.destroy) # Create Frame frame = Frame(root) frame.pack(side=TOP, fill=BOTH, expand=YES) # Set frame size and position screen_width = frame.master.winfo_screenwidth() screen_heigh = frame.master.winfo_screenheight() w = screen_width * 0.8 h = screen_heigh * 0.6 # Center the window x = (screen_width/2) - (w/2) y = (screen_heigh/2) - (h/2) frame.master.geometry('%dx%d+%d+%d' % (w, h, x, y)) # Adjust frame properties frame.master.overrideredirect(True) # Set no border or title frame.config(bg=background) # Create text label label = Label(frame, text=text, wraplength=screen_width * 0.8) label.pack(side=TOP, expand=YES) label.config(bg=background, justify=CENTER, font=("calibri", font_size)) # Set transparency root.wait_visibility(root) # Needed for linux (and must come after overrideredirect) root.attributes('-alpha', 0.6) # Run Event loop root.mainloop()
def alert(title, message): box = Tk() box.title(title) Message(box, text = message, bg='red', fg = 'ivory').pack(padx=1, pady=1) Button(box, text = "Close", command=box.destroy).pack(side=BOTTOM) box.geometry('300x150') box.after(0, hello)
def showPopup(s): popupRoot = Tk() popupRoot.after(2000) popupButton = Button(popupRoot, text=s, font=("Verdana", 12), bg="yellow", command=exit) popupButton.pack() popupRoot.geometry('400x50+700+500') popupRoot.mainloop()
def main(): global game, master, window, IAs #global game, IAs, actual_it IAs = [Border, Learner, Chaser, Killer] game = Game(800, 800, IAs) master = Tk() window = Canvas(master, width=game.width, height=game.height) window.pack() master.after(1, step) master.mainloop()
class TkMonitor(Monitor): """ An interface over a dictionary {taskno: scrolledtext widget}, with methods add_listener, del_listener, notify_listener and start/stop. """ def __init__(self, name, queue=None): Monitor.__init__(self, name, queue) self.widgets = {} @plac_core.annotations(taskno=('task number', 'positional', None, int)) def add_listener(self, taskno): "There is a ScrolledText for each task" st = ScrolledText(self.root, height=5) st.insert('end', 'Output of task %d\n' % taskno) st.pack() self.widgets[taskno] = st @plac_core.annotations(taskno=('task number', 'positional', None, int)) def del_listener(self, taskno): del self.widgets[taskno] @plac_core.annotations(taskno=('task number', 'positional', None, int)) def notify_listener(self, taskno, msg): w = self.widgets[taskno] w.insert('end', msg + '\n') w.update() def start(self): 'Start the mainloop' self.root = Tk() self.root.title(self.name) self.root.wm_protocol("WM_DELETE_WINDOW", self.stop) self.root.after(0, self.read_queue) try: self.root.mainloop() except KeyboardInterrupt: print('Process %d killed by CTRL-C' % os.getpid(), file=sys.stderr) except TerminatedProcess: pass def stop(self): self.root.quit() def read_queue(self): try: cmd_args = self.queue.get_nowait() except Queue.Empty: pass else: getattr(self, cmd_args[0])(*cmd_args[1:]) self.root.after(100, self.read_queue)
class TkMonitor(Monitor): """ An interface over a dictionary {taskno: scrolledtext widget}, with methods add_listener, del_listener, notify_listener and start/stop. """ def __init__(self, name, queue=None): Monitor.__init__(self, name, queue) self.widgets = {} @plac_core.annotations(taskno=('task number', 'positional', None, int)) def add_listener(self, taskno): "There is a ScrolledText for each task" st = ScrolledText(self.root, height=5) st.insert('end', 'Output of task %d\n' % taskno) st.pack() self.widgets[taskno] = st @plac_core.annotations(taskno=('task number', 'positional', None, int)) def del_listener(self, taskno): del self.widgets[taskno] @plac_core.annotations(taskno=('task number', 'positional', None, int)) def notify_listener(self, taskno, msg): w = self.widgets[taskno] w.insert('end', msg + '\n') w.update() def start(self): 'Start the mainloop' self.root = Tk() self.root.title(self.name) self.root.wm_protocol("WM_DELETE_WINDOW", self.stop) self.root.after(0, self.read_queue) try: self.root.mainloop() except KeyboardInterrupt: print >> sys.stderr, 'Process %d killed by CTRL-C' % os.getpid() except TerminatedProcess: pass def stop(self): self.root.quit() def read_queue(self): try: cmd_args = self.queue.get_nowait() except Queue.Empty: pass else: getattr(self, cmd_args[0])(*cmd_args[1:]) self.root.after(100, self.read_queue)
class GUI(): def __init__(self): self.root = Tk() self.show() def show(self): self.root.deiconify() #self.root.attributes('-topmost', 1) #self.root.attributes('-topmost', 0) self.root.after(2000, self.hide) def hide(self): self.root.iconify() self.root.after(2000, self.show)
class Display: def __init__(self, fps=FPS, width=WIDTH, height=HEIGHT, board_offset_bottom=BOARD_OFFSET_BOTTOM, board_width=BOARD_WIDTH, board_height=BOARD_HEIGHT): self.root=Tk() self.root.protocol("WM_DELETE_WINDOW", self.root.destroy) self.width = width self.height = height self.canvas=Canvas(self.root, bg="black",width=width,height=height) self.board_width = board_width self.board_height = board_height self.board_offset_bottom = board_offset_bottom self.canvas.pack() self.fps = fps self.controllers = [] #For reset self.root.bind("<space>", lambda e:self.reset_all()) self.root.bind("<Escape>", lambda e:self.root.destroy()) def run(self): self.root.after(1000//self.fps, self.loop) try: self.root.mainloop() except KeyboardInterrupt: self.root.destroy() def loop(self): actions = [controller.get_action(self.model) for controller in self.controllers] self.model.update(1./self.fps, actions) self.draw() self.root.after(1000//self.fps, self.loop) def draw(self): self.canvas.delete('all') self.board = self.canvas.create_rectangle( self.model.x()-self.board_width/2, self.board_offset_bottom+self.height-self.board_height, self.model.x()+self.board_width/2, self.board_offset_bottom+self.height, fill="green") self.pendulum = self.canvas.create_line( self.model.x(), self.board_offset_bottom+self.height-self.board_height, self.model.x()+self.model.arm_length*math.sin(self.model.alpha()), self.board_offset_bottom+self.height-self.board_height-self.model.arm_length*math.cos(self.model.alpha()), fill="blue", width=20) def attach_model(self, model): self.model = model self.draw() def attach_controller(self, controller): self.controllers.append(controller) def reset_all(self): self.model.randomize()
class KindleCodeFormater(): def __init__(self): self._root = Tk() self._roughKindleCode = self._root.clipboard_get() self._formatedKindleCode = '' def formatCode(self): codeWithNoSpaceInMatrix = self._removeSpaceInMatrices(self._roughKindleCode) fixedPlottingComment = self._fixPlottingComment(codeWithNoSpaceInMatrix) codeWithLineBreak = re.sub(r"; ", r";\n", fixedPlottingComment) self._formatedKindleCode = codeWithLineBreak def formatedCodeToClipboard(self): self._root.clipboard_append(self._formatedKindleCode) self.showTempConfirmAndDestroy() def showTempConfirmAndDestroy(self): ''' Displays a temporary MessageBox to inform that the job was done and close the app. ''' from tkinter import messagebox self._root.update() # now it stays on the clipboard after the window is closed self._root.after(1500, self._root.destroy) # Destroy the widget after 1.5 seconds try: if messagebox.showinfo('formatkindlecode', 'Formatted code copied to clipboard'): self._root.destroy() except: pass def _removeSpaceInMatrices(self, codeStr): pattern = r"(\[[\d\w ;]+\])" noSpaceMatrix = '' for match in re.finditer(pattern, codeStr): roughMatrix = match.group() if '; ' in roughMatrix: noSpaceMatrix = roughMatrix.replace('; ', ';') codeStr = codeStr.replace(roughMatrix, noSpaceMatrix) return codeStr def _fixPlottingComment(self, codeStr): codeStr = codeStr.replace("%plotting ", "\n\n%plotting\n") return codeStr
class Game(object): def __init__(self, in_queue, out_queue): self.players = {} self.root = Tk() self.ground = Canvas(self.root, width=WIDTH, height=HEIGHT) self.ground.pack() self.in_queue = in_queue self.out_queue = out_queue def start(self): self.root.after(1, self.place_players) worker = Thread(target=self.loop) worker.setDaemon(True) worker.start() def place_players(self): for player in self.players.values(): player.place() self.root.after(1, self.place_players) def loop(self): while True: self.animate() def animate(self): while not self.in_queue.empty(): command, args = self.in_queue.get_nowait() if command == "s": print "added" self.add_player(args[0]) self.out_queue.put_nowait(("ok", args[0])) if command == "m": is_wall = self.move_player(args[0], args[1]) if is_wall: print "wall", args[1] self.out_queue.put_nowait(("wall", args[0])) else: self.out_queue.put_nowait(("ok", args[0])) def add_player(self, player_id): self.players[player_id] = Player(self.ground) def move_player(self, player_id, direction): return self.players[player_id].move(direction) def check_wall_player(self, player_id, direction): return self.players[player_id].check_wall(direction)
class gui: def __init__(self): self.tk = Tk() self.canvas = Canvas(self.tk) self.tk.after_idle(self.test) self.tk.mainloop() def test(self): print 'boom' self.tk.after(200, self.test2) def test2(self): print 'bang' self.tk.after(200, self.test)
def main(): root = Tk() root.overrideredirect(True) root.geometry('{0}x{1}+0+0'.format(root.winfo_screenwidth(), root.winfo_screenheight())) root.focus_set() color, text = instruction() label = Label(root, text=text, fg=color, font='-size 100 -weight bold') label.pack(fill=BOTH, expand=1) root.after(0, lambda: Popen(['say', '--voice', SAY_VOICE, text])) root.after(5000, lambda: root.quit()) root.mainloop()
def main(): root = Tk() def kludge(): root.after(100, kludge) root.after(100, kludge) def handle_sigusr1(signum, frame): root.quit() signal.signal(signal.SIGUSR1, handle_sigusr1) root.geometry("250x150+300+300") root.attributes("-fullscreen", True) app = Example(root) root.mainloop() print("Here we are cleaning up.")
class DCGreenLantern(object): """ This class is responsible for redrawing UI widget """ dimensions = DIMENSIONS title = 'Green Lantern' widget_class = DCGreenLanternWidget def __init__(self, message_q, initial_state): self.root = Tk() self.widget = self.widget_class(self.root, initial_state) self.root.title(self.title) self.root.geometry(self.dimensions) self.root.after(REFRESH_RATE, self.check_commands, message_q) def check_commands(self, message_q): """ Check queue for messages with new lantern state and redraw UI. Close UI if there is None value in the queue. :type message_q: multiprocessing.Queue """ try: new_state = message_q.get(block=True, timeout=REFRESH_RATE / 1000.0) # timeout value in seconds if new_state is None: logger.debug('termination signal received') self.root.quit() return self.redraw(new_state) except Empty: pass self.root.after(REFRESH_RATE, self.check_commands, message_q) def show(self): self.root.mainloop() def redraw(self, state): assert isinstance(state[1], basestring), 'color must be a string' self.widget.change_color(state[1])
class App: def __init__(self): self.window = Tk() self.display = Display(self.window) self.display.pack() self.label = Label(master=self.window) self.label.pack() self.camera = Camera() self.state='keine Bewegung' self.detect() self.window.mainloop() def detect(self): self.camera.takePhoto() left, right = self.camera.checkMotion() print "Links", left print "Rechts", right if self.state =='keine Bewegung': if left and not right: self.state = 'zuerst links' elif right and not left: self.state = 'zuerst rechts' elif self.state == 'zuerst links': if left and rigth: self.state = 'zuerst links, dann rechts' elif not(left or rigth): self.state = 'keine Bewegung' elif self.state == 'zuerst rehts': if left and right: self.state = 'zuerst, dann links' elif not(left or right): self.state = 'keine Bewegung' elif self.state == 'zuerst links, dann rechts': if not (left or right): self.state = 'keine Bewegung' self.display.motion('von links') elif self.state == 'zuerst rechts, dann links': if not (left or right): self.state = 'keine Bewegung' self.display.motion('von rechts') self.label.config(text=time.asctime()+''+ self.state) self.window.after(100, self.detect) self.detect()
def show_word(word): t = time() select = [0] root = Tk() root.title('CrazyEnglish') try: root.call('wm', 'iconphoto', root._w, PhotoImage(file='english.png')) except Exception: print 'Error loading icon' root.geometry( str(root.winfo_screenwidth()) + 'x' + str(root.winfo_screenheight()) + '+0+0') #root.winfo_screenheight() root.resizable(False, False) root.protocol('WM_DELETE_WINDOW', lambda: exit(root, select)) canvas = Canvas(root) #,bg='green') canvas.place(x=100, y=100, width=800, height=50) canvas.create_text(0, 0, text=word[0], anchor='nw', font=('', 14), fill='red') canvas.create_text(0, 30, text='(' + word[1] + ')', anchor='nw') entry = Entry(root, font=('', 10)) entry.place(x=100, y=200, width=800, height=30) Button(root, text='OK', command=lambda: press_btn(root, entry, word[0])).place(x=100, y=250, height=30, width=80) root.after(0, lambda: close_window(root, t)) entry.focus_force() root.mainloop() return select[0]
class GUI: def __init__(self, num_labels): self.root = Tk() self.labels = [] for i in xrange(num_labels): l=Label(self.root, width=10, height=5) l.grid(row=0, column=i) self.labels.append(l) def color(self, i, value): self.labels[i].configure(bg=value) def mainloop(self): self.root.mainloop() def delay_color(self, delay, i, color): self.root.after(delay, lambda: self.color(i, value)) def after(self, delay, cb): self.root.after(delay, cb)
def tk(timeout=5): root = Tk() # default root root.withdraw() # remove from the screen # destroy all widgets in `timeout` seconds func_id = root.after(int(1000 * timeout), root.quit) try: yield root finally: # cleanup root.after_cancel(func_id) # cancel callback root.destroy()
def prompt(msg): root = Tk() prompt = msg label1 = Label(root, text='\n' + prompt + '\n', width=len(prompt), bg="black", fg="green", font="Time 16 bold") label1.pack() #makes the popup the center of the screen root.eval('tk::PlaceWindow %s center' % root.winfo_pathname(root.winfo_id())) def close_after_3s(): root.destroy() if 'scanning complete' not in msg: root.after(3000, close_after_3s) root.mainloop()
class intro(object): def __init__(self): self.master=Tk() self.x = (self.master.winfo_screenwidth()/3) - (self.master.winfo_width()) self.y = (self.master.winfo_screenheight()/3) - (self.master.winfo_height()) self.master.geometry("+%d+%d" % (self.x, self.y)) self.master.overrideredirect(True) self.master.resizable(False,False) self.logointroimg=Image.open(r'img/Logo-introscreenmin.jpg') self.Tkimage3= ImageTk.PhotoImage(self.logointroimg) self.canvas = Canvas(self.master, height=378,width=672 ) self.canvas.create_image(336,186, image=self.Tkimage3) self.canvas.pack() self.master.after(1250,self.master.destroy) self.master.mainloop()
def main(): # Authenticate using your Google Docs email address and password. client.ClientLogin(config.username, config.password) ## Query the server for an Atom feed containing a list of your documents. #documents_feed = client.GetDocumentListFeed() ## Loop through the feed and extract each document entry. #for document_entry in documents_feed.entry: # # Display the title of the document on the command line. # print document_entry.title.text ## This is a simple GUI, so we allow the root singleton to do the legwork root = Tk() WIDTH, HEIGHT = root.winfo_screenwidth(), root.winfo_screenheight() # root.overrideredirect(1) root.geometry("%dx%d+0+0" % (WIDTH, HEIGHT)) root.focus_set() # <-- move focus to this widget root.wm_attributes("-topmost", True) root.wm_title("Wedding Photobooth") frame = Frame(root) frame.pack() photobooth = Photobooth(root) ## add a software button in case hardware button is not available #interface_frame = Frame(root) #snap_button = Button(interface_frame, text="*snap*", command=takePicture) #snap_button.pack(side=RIGHT) #interface_frame.pack(side=RIGHT) ### check button after waiting for 200 ms #root.after(200, check_and_snap) # Instead of the preview, we might write an image every half second or so root.after(200, photobooth.start) root.mainloop()
def execute(self, msg, unit, address, when, printer, print_copies): def orange(): text_widget.config(bg="Orange") root.after(180000, red) def red(): text_widget.config(bg="Red") root.after(180000, kill) def kill(): root.destroy() mseg = str('%s - %s' % (msg, unit)) root = Tk() text_widget = Text(root, font='times 40 bold', bg='Green') text_widget.pack(fill=BOTH, expand=0) text_widget.tag_configure('tag-center', wrap='word', justify='center') text_widget.insert(INSERT, "\n" + "\n" + "\n" + mseg, 'tag-center') root.after(180000, orange) # TODO: this needs to spawn a thread root.mainloop()
def execute(self, msg, unit, address, when, printer, print_copies): def orange(): text_widget.config(bg="Orange") root.after(180000, red) def red(): text_widget.config(bg="Red") root.after(180000, kill) def kill(): root.destroy() mseg = str('%s - %s' % (msg, unit)) root = Tk() text_widget = Text(root, font='times 40 bold', bg='Green') text_widget.pack(fill=BOTH, expand=0) text_widget.tag_configure('tag-center', wrap='word', justify='center') text_widget.insert(INSERT, "\n" + "\n" + "\n" + mseg, 'tag-center') root.after(180000, orange) # TODO: this needs to spawn a thread root.mainloop()
def initConnection(self): qr = qrcode.QRCode() qr.add_data(self.HOST) qr.make() self.qrImage = qr.make_image() main = Tk() photo = ImageTk.PhotoImage(self.qrImage) label = Label(image=photo) label.pack() self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) def task(): self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) self.socket.bind((self.HOST, self.PORT)) self.socket.listen(1) self.conn, self.addr = self.socket.accept() print 'connected by ' + repr(self.addr) data = self.conn.recv(1024) if "123" in str(data): self.conn.sendall("456") main.destroy() main.after(100, task) main.title("Scan this QR") main.mainloop()
def vis_thread(): global txt, color, txt2, color2 def update(): global txt, color, txt2, color2 msg.config(text=txt, background=color) msg2.config(text=txt2, background=color2) root.after(250, update) root = Tk() root.geometry("900x600") msg = Message(root, text=txt, background=color) msg.config(font=('times', 200, 'italic bold')) msg.pack() msg2 = Message(root, text=txt2, background=color2) msg2.config(font=('times', 70, 'italic bold')) msg2.pack() root.after(250, update) root.mainloop()
if message != None: if message == 'show': display.show() elif message == 'clear': display.clear() else: message = message.split(',') display.show_q(message) ##display.set_pixel(int(message[0]),int(message[1]),int(message[2]),int(message[3]),int(message[4])) except Queue.Empty: pass window.after(5, processqueue) window.after(5, processqueue) sck = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sck.settimeout(0) port = 7676 bound = False while not bound: try: sck.bind(('127.0.0.1', port)) bound = True print("Bound to", port) except socket.error: port += 1 sck.listen(50)
n = (n+1)%len(pics) elif direction == "prev": n = (n-1)%len(pics) else: raise Exception("Got invalid direction") if n == current: updatePos(direction) def changePic(direction): global n updatePos(direction) img = Image.open("../slideshow/"+slides[n]) img = resize(img) photo = ImageTk.PhotoImage(img) panel.configure(image = photo) panel.image = photo def resize(image): width, height = image.size print "ratio", width/float(height) ratio = max(width/float(size[0]), height/float(size[1])) return image.resize((int(width/ratio), int(height/ratio)), Image.ANTIALIAS) root.after(0, autoChange) # set the initial image, no delay root.bind("<Right>", callbackRight) # debug key control root.bind("<Left>", callbackLeft) # debug key control root.mainloop() # Stop the program execution after the slideshow is closed running = False print "Terminating"
class TkApplication: # these are passed to Tk() and must be redefined by the subclasses: tk_basename = '' tk_class_name = '' def __init__(self, screen_name=None, geometry=None): self.init_tk(screen_name, geometry) def init_tk(self, screen_name=None, geometry=None): self.root = Tk(screenName=screen_name, baseName=self.tk_basename, className=self.tk_class_name) app.root = self.root from sk1.managers.uimanager import UIManager app.uimanager = UIManager(self.root) self.splash = SplashScreen(self.root) self.splash.show() self.splash.set_val(.1, 'DialogManager initialization...') from sk1.managers.dialogmanager import DialogManager app.dialogman = DialogManager(self.root) self.splash.set_val(.15, 'Setting appication data...') app.info1 = StringVar(self.root, '') app.info2 = StringVar(self.root, '') app.info3 = DoubleVar(self.root, 0) # Reset locale again to make sure we get properly translated # messages if desired by the user. For some reason it may # have been reset by Tcl/Tk. # if this fails it will already have failed in # app/__init__.py which also prints a warning. try: import locale except ImportError: pass else: try: locale.setlocale(locale.LC_MESSAGES, "") except: pass if not geometry: # try to read geometry from resource database geometry = self.root.option_get('geometry', 'Geometry') if geometry: try: self.root.geometry(geometry) except TclError: sys.stderr.write('%s: invalid geometry specification %s' % (self.tk_basename, geometry)) def Mainloop(self): self.splash.set_val(1) self.root.update() self.root.deiconify() self.root.after(300, self.splash.hide) self.root.mainloop() def MessageBox(self, *args, **kw): return apply(tkext.MessageDialog, (self.root,) + args, kw) def GetOpenFilename(self, **kwargs): return apply(tkext.GetOpenFilename, (self.root,), kwargs) def GetSaveFilename(self, **kwargs): return apply(tkext.GetSaveFilename, (self.root,), kwargs) clipboard = None def EmptyClipboard(self): self.SetClipboard(None) def SetClipboard(self, data): self.clipboard = data def GetClipboard(self): return self.clipboard def ClipboardContainsData(self): return self.clipboard is not None
class Visualiser(object): ''' Generic Offline Visualiser. Subclasses need to be used that specify how to handle a data source. ''' ### Public functions ### def __init__(self, title="Visualisation", width=400, height=400, recording=False, recordPattern=None, paused=False, source=None): ''' Constructor. Params: title: string - Title of the visualisation window width: int - Width of the visualisation window height: int - Height of the visualisation window recording: boolean - Start with recording enabled? recordPattern: string - Pattern for recorded images, e.g., cylinders%05g.png paused: boolean - Start with playback paused? source:- The data source to read. What is required here varies by visualiser. ''' # Visualisation options self.vis_features = [] self.vis_frame = 0 self.vis_frameStep = 1 self.vis_jumping = False self.vis_recording = recording self.vis_recordPattern = recordPattern self.vis_paused = paused self.vis_source = source # VTK structures self.vtk_cells = vtkCellArray() self.vtk_renderer = vtkRenderer() # Tk structures self.tk_root = Tk() self.tk_root.title(title) self.tk_root.grid_rowconfigure(0, weight=1) self.tk_root.grid_columnconfigure(0, weight=3) self.tk_root.bind('<Destroy>', self.destroyed) if not self.vis_paused: self.tk_root.after(100, self.animate) self.tk_renderWidget = vtkTkRenderWidget(self.tk_root, width=width, height=height) self.tk_renderWidget.grid(row=0, column=0, sticky=N+S+E+W) self.tk_renderWidget.GetRenderWindow().AddRenderer(self.vtk_renderer) self.tk_featureFrame = Frame(self.tk_root) self.tk_featureFrame.grid(row=0, column=1, rowspan=2) Label(self.tk_featureFrame, text='Features:').grid(row=0, column=0) self.tk_controlFrame = Frame(self.tk_root) self.tk_controlFrame.grid(row=1, column=0) self.tk_quit = Button(self.tk_controlFrame, text="Quit", command=self.shutdown) self.tk_quit.grid(row=0, column=0, columnspan=2) def pause(): if self.vis_paused: self.tk_pause.config(text='Pause') self.tk_root.after(100, self.animate) else: self.tk_pause.config(text='Resume') self.vis_paused ^= True self.tk_pause = Button(self.tk_controlFrame, text="Pause", command=pause) self.tk_pause.grid(row=0, column=2, columnspan=2) if self.vis_recordPattern is not None: def record(): if self.vis_recording: self.tk_record.config(text='Start Recording') else: self.tk_record.config(text='Stop Recording') self.vis_recording ^= True self.tk_record = Button(self.tk_controlFrame, text="Start Recording", command=record) self.tk_record.grid(row=0, column=4, columnspan=2) if self.vis_recording: self.tk_record.config(text="Stop Recording") def make_seek_button(label, column, frame): def jump(): self.jumpTo(frame) b = Button(self.tk_controlFrame, text=label, command=jump) b.grid(row=1, column=column, sticky=W+E) return b self.tk_seek_start = make_seek_button("|<", 0, 0) self.tk_seek_back10 = make_seek_button("<<", 1, lambda: self.vis_frame - 10) self.tk_seek_back1 = make_seek_button("<", 2, lambda: self.vis_frame - 1) self.tk_seek_forward1 = make_seek_button(">", 3, lambda: self.vis_frame + 1) self.tk_seek_forward10 = make_seek_button(">>", 4, lambda: self.vis_frame + 10) self.tk_seek_end = make_seek_button(">|", 5, self.getMaxFrameNumber) Label(self.tk_controlFrame, text='Frame').grid(row=2, column=0, sticky=W+E) def changeFrame(frame): if not self.vis_jumping: self.vis_jumping = True self.jumpTo(self.tk_frame.get()) self.vis_jumping = False self.tk_frame = Scale(self.tk_controlFrame, command=changeFrame, from_=0, to=0, orient=HORIZONTAL) self.tk_frame.grid(row=2, column=1, columnspan=2, sticky=W+E) Label(self.tk_controlFrame, text='Step').grid(row=2, column=3, sticky=W+E) def changeFrameStep(step): self.vis_frameStep = int(step) self.tk_frameStep = Scale(self.tk_controlFrame, command=changeFrameStep, from_=1, to=1, orient=HORIZONTAL) self.tk_frameStep.grid(row=2, column=4, columnspan=2, sticky=W+E) self.setupGrid() def add_feature(self, feature): '''Add a feature to this visualiser''' self.vis_features.append(feature) feature.button(self.tk_featureFrame).grid(row=len(self.vis_features), column=0, sticky=W+E) feature.visualiser = self def run(self): '''Start the visualiser''' self.redraw() self.tk_root.mainloop() ### Private funcitions ### def resetSliders(self): ''' Recalculate the upper bound on the frame and frameStep sliders. ''' maxFrame = self.getMaxFrameNumber() self.tk_frame.config(to=maxFrame) self.tk_frameStep.config(to=maxFrame) def jumpTo(self, frame): ''' Jump to a given frame. If frame is a function, jump to the return value of frame(). ''' oldFrame = self.vis_frame if hasattr(frame, '__call__'): self.vis_frame = frame() else: self.vis_frame = frame maxFrame = self.getMaxFrameNumber() if self.vis_frame < 0: self.vis_frame = 0 elif self.vis_frame > maxFrame: self.vis_frame = maxFrame self.vis_paused = True self.tk_pause.config(text='Resume') self.tk_frame.set(self.vis_frame) self.redraw(oldFrame != self.vis_frame) def redraw(self, update=False): self.resetSliders() for feature in [ f for f in self.vis_features if not f.dynamic ]: feature.draw(self.vtk_renderer) if update: for feature in [ f for f in self.vis_features if f.dynamic]: f.redraw(self.vtk_renderer) self.tk_renderWidget.GetRenderWindow().Render() self.tk_root.update_idletasks() ### Gui events ### def destroyed(self, event): if event.widget == self.tk_root: self.shutdown() def shutdown(self): self.tk_root.withdraw() self.tk_root.destroy() def animate(self): if not self.vis_paused: self.jumpTo(self.vis_frame + self.vis_frameStep) if self.vis_recording and self.vis_recordPattern is not None: self.save_image() self.tk_root.after(100, self.animate) def save_image(self): extmap = {'.jpg' : vtkJPEGWriter, '.jpeg' : vtkJPEGWriter, '.png' : vtkPNGWriter, '.pnm' : vtkPNMWriter} _, ext = splitext(self.vis_recordPattern) try: writer = extmap[ext.lower()]() except KeyError: print 'ERROR: Can\'t handle %s extension. Recording disabled.' % ext self.vis_recordPattern = None return win = self.vtk_renderer.GetRenderWindow() w2i = vtkWindowToImageFilter() w2i.SetInput(win) w2i.Update() writer.SetInput(w2i.GetOutput()) writer.SetFileName(self.vis_recordPattern % self.vis_frame) win.Render() writer.Write() ### Things subclasses need to override ### def setupGrid(self): ''' Populate the vtkCellArray instance at self.vtk_cells. Subclasses are required to override this function to read from their source as appropriate. ''' raise NotImplementedError('Subclass needs to override Visualiser::setupGrid!') def getMaxFrameNumber(self): ''' Return the maximum frame number. This will need to be defined by a subclass. ''' raise NotImplementedError('Subclass needs to override Visualiser::getMaxFrameNumber!') def getQuantityPoints(self, quantityName, dynamic=True, frameNumber=0): ''' Return the points of a quantity at a given frame as a list [float]. Subclasses need to override this. ''' raise NotImplementedError('Subclass needs to override Visualiser::getQuantityPoints!') def getQuantityDict(self): ''' Return the values of all quantities at a given time as a dictionary. Sublclasses need to override this. ''' raise NotImplementedError('Subclass needs to override Visualiser::getQuantityDict!')
class Visualiser(Thread): """Superclass of both the realtime and offline VTK visualisers """ def __init__(self, source): Thread.__init__(self) self.source = source # Structures for Height Based quantities self.height_quantities = [] self.height_zScales = {} self.height_dynamic = {} self.height_offset = {} self.height_opacity = {} self.height_wireframe = {} # Structures for colouring quantities self.colours_height = {} # Structures used for VTK self.vtk_actors = {} self.vtk_axesSet = False self.vtk_drawAxes = False self.vtk_mappers = {} self.vtk_polyData = {} # A list of operations to be performed on the cube axes. Type: [(func, (args))] self.conf_axesAlterations = [] # A list of all polygons to overlay. Type: [([coords], height, (colour)] self.conf_overlaidPolygons = [] # A list of alterations to be performed on the Tk root. Type: [(func, (args))] self.conf_tkAlterations = [] def run(self): self.vtk_renderer = vtkRenderer() self.setup_gui() self.setup_grid() # Handle any deferred configuration # Overlaid polygons for args in self.conf_overlaidPolygons: self.overlay_polygon_internal(*args) # Draw (and maybe alter) the axes if self.vtk_drawAxes: self.vtk_axes = vtkCubeAxesActor2D() # Perform all of the alterations required, by applying func to the vtk_axes instance (with the given args). for func, args in self.conf_axesAlterations: func(*((self.vtk_axes,) + args)) # Alter the Tk root as necessary. for func, args in self.conf_tkAlterations: func(*((self.tk_root,) + args)) # Finished with deferred configuration. # Draw Height Quantities for q in self.height_quantities: self.update_height_quantity(q, self.height_dynamic[q]) self.draw_height_quantity(q) self.tk_root.mainloop() def redraw_quantities(self): """Redraw all dynamic quantities. """ # Height quantities for q in self.height_quantities: if (self.height_dynamic[q]): self.update_height_quantity(q, self.height_dynamic[q]) self.draw_height_quantity(q) if self.vtk_drawAxes is True: self.draw_axes() # --- Axes --- # def render_axes(self): """Intstruct the visualiser to render cube axes around the render. """ self.vtk_drawAxes = True def draw_axes(self): """Update the 3D bounds on the axes and add them to the pipeline if not yet connected. """ self.vtk_axes.SetBounds(self.get_3d_bounds()) if not self.vtk_axesSet: self.vtk_axesSet = True self.vtk_axes.SetCamera(self.vtk_renderer.GetActiveCamera()) self.vtk_renderer.AddActor(self.vtk_axes) self.vtk_renderer.ResetCamera(self.get_3d_bounds()) def alter_axes(self, func, args): """Attempt to apply the function 'func' with args tuple 'args' to the vtkCubeAxesActor2D instance set up by render_axes. This is done this way to ensure the axes setup is handled in the visualiser thread. Example call: from vtk import vtkCubeAxesActor2D alter_axes(vtkCubeAxesActor2D.SetNumberOfPoints, (5,)) """ self.conf_axesAlterations.append((func, args)) # --- Height Based Rendering --- # def setup_grid(self): """Create the vtkCellArray instance that represents the triangles. Subclasses are expected to override this function to read from their source as appropriate. The vtkCellArray should be stored to self.vtk_cells. """ pass def render_quantity_height(self, quantityName, zScale=1.0, offset=0.0, opacity=1.0, dynamic=True, wireframe=False): """Instruct the visualiser to render a quantity using the value at a point as its height. The value at each point is multiplied by z_scale and is added to offset, and if dynamic=False, the quantity is not recalculated on each update. """ self.height_quantities.append(quantityName) self.height_zScales[quantityName] = zScale self.height_offset[quantityName] = offset self.height_dynamic[quantityName] = dynamic self.height_opacity[quantityName] = opacity self.height_wireframe[quantityName] = wireframe def update_height_quantity(self, quantityName, dynamic=True): """Create a vtkPolyData object and store it in self.vtk_polyData[quantityName]. Subclasses are expected to override this function. """ pass def get_3d_bounds(self): """Get the minimum and maximum bounds for the x, y and z directions. Return as a list of double in the order (xmin, xmax, ymin, ymax, zmin, zmax), suitable for passing to vtkCubeAxesActor2D::SetRanges(). Subclasses are expected to override this function. """ pass def store_height_quantity(self, quantityName, fileName=None): if fileName is None: fileName = quantityName + '.vtk' quantity_polyData = self.vtk_polyData[quantityName] import vtk w = vtk.vtkPolyDataWriter() #print quantity_polyData w.SetInput(quantity_polyData) w.SetFileName(fileName) w.Write() def draw_height_quantity(self, quantityName): """Use the vtkPolyData and prepare/update the rest of the VTK rendering pipeline. """ if self.vtk_mappers.has_key(quantityName): mapper = self.vtk_mappers[quantityName] else: mapper = self.vtk_mappers[quantityName] = vtkPolyDataMapper() mapper.SetInput(self.vtk_polyData[quantityName]) mapper.Update() if not self.vtk_actors.has_key(quantityName): actor = self.vtk_actors[quantityName] = vtkActor() actor.GetProperty().SetOpacity(self.height_opacity[quantityName]) if self.height_wireframe[quantityName]: actor.GetProperty().SetRepresentationToWireframe() actor.SetMapper(mapper) self.vtk_renderer.AddActor(actor) else: actor = self.vtk_actors[quantityName] if self.colours_height.has_key(quantityName): colour = self.colours_height[quantityName] if type(colour) == TupleType: if type(colour[0]) == FunctionType: # It's a function, so take colour[1] as the # lower bound on the scalar range and # colour[2] as the upper bound on the scalar # range. scalars = vtkFloatArray() map(scalars.InsertNextValue, colour[0](self.build_quantity_dict())) self.vtk_polyData[quantityName].GetPointData().SetScalars(scalars) mapper.SetScalarRange(colour[1:]) mapper.Update() else: # It's a 3-tuple representing an RGB value. actor.GetProperty().SetColor(colour) else: actor.GetProperty().SetColor(0.5, 0.5, 0.5) else: actor.GetProperty().SetColor(0.5, 0.5, 0.5) # --- Colour Coding --- # def build_quantity_dict(self): """Build and return a dictionary mapping quantity name->Numeric array of vertex values for that quantity. Subclasses are expected to override this function.""" pass def colour_height_quantity(self, quantityName, colour=(0.5, 0.5, 0.5)): """Add colouring to a height based quantity. The colour parameter can be one of the following: - a 3-tuple of values in [0,1] to specify R, G, B values - a 3-tuple of values: - a function that takes a dictionary mapping quantity name->Numeric array of vertex values. This function returns a list of vertex values to be used in the colour coding. - a float for the lower bound on the colouring - a float for the upper bound on the colouring """ self.colours_height[quantityName] = colour # --- Overlaid Polygons --- # def overlay_polygon(self, coords, height=0.0, colour=(1.0, 0.0, 0.0)): """Add a polygon to the output of the visualiser. coords is a list of 2-tuples representing x and y coordinates. These are triangulated by vtkDelaunay2D. height is the z-value given to all points. colour is the colour of the polygon, as a 3-tuple representing r, g, b values between 0 and 1.""" self.conf_overlaidPolygons.append((coords, height, colour)) def overlay_polygon_internal(self, coords, height, colour): """Add a polygon to the output of the visualiser. coords is a list of 2-tuples representing x and y coordinates. These are triangulated by vtkDelaunay2D. height is the z-value given to all points. colour is the colour of the polygon, as a 3-tuple representing r, g, b values between 0 and 1. This function should not be called from outside the visualiser thread. Use overlay_polygon instead. """ points = vtkPoints() for coord in coords: points.InsertNextPoint(coord[0], coord[1], height) profile = vtkPolyData() profile.SetPoints(points) delny = vtkDelaunay2D() delny.SetInput(profile) mesh = vtkPolyDataMapper() mesh.SetInput(delny.GetOutput()) actor = vtkActor() actor.SetMapper(mesh) actor.GetProperty().SetColor(colour) self.vtk_renderer.AddActor(actor) # --- Vector Fields --- # # --- GUI Setup --- # def setup_gui(self): self.tk_root = Tk() self.tk_root.title("Visualisation") self.tk_root.after(100, self.redraw) self.tk_root.bind("<Destroy>", self.destroyed) self.tk_root.grid_rowconfigure(0, weight=1) self.tk_root.grid_columnconfigure(0, weight=1) self.tk_renderWidget = vtkTkRenderWidget(self.tk_root, width=400, height=400) self.tk_renderWidget.grid(row=0, column=0, sticky=N+S+E+W) self.tk_controlFrame = Frame(self.tk_root) self.tk_controlFrame.grid(row=1, column=0, sticky=E+W) self.tk_controlFrame.grid_rowconfigure(0, weight=1) self.tk_controlFrame.grid_columnconfigure(0, weight=1) self.tk_quit = Button(self.tk_controlFrame, text="Quit", command=self.shutdown) self.tk_quit.grid(row=0, column=0, sticky=E+W) self.tk_renderWidget.GetRenderWindow().AddRenderer(self.vtk_renderer) def alter_tkroot(self, func, args): """Apply func, with arguments tuple args to the root tk window for this visualiser. """ self.conf_tkAlterations.append((func, args)) # --- GUI Events --- # def destroyed(self, event): if event.widget == self.tk_root: self.shutdown() def redraw(self): self.tk_renderWidget.GetRenderWindow().Render() self.tk_root.update_idletasks() self.tk_root.after(100, self.redraw) def shutdown(self): self.tk_root.withdraw() self.tk_root.destroy()
class InputDevice(object): def __init__(self): # root is the Tkinter root widget self.root = Tk() self.root.title("Input Device Utility") # 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) self.my_device ='' self.my_device_display = StringVar() self.device_list=[] self.matches=0 # overall display root_frame=Frame(self.root) root_frame.pack(side=LEFT) devices_frame=Frame(root_frame,padx=5,pady=10) devices_frame.pack(side=LEFT) devices_label = Label(devices_frame, text="Devices in dev/input") devices_label.pack(side=TOP) devices_list_frame=Frame(devices_frame,padx=5,pady=10) devices_list_frame.pack(side=TOP) selected_device_title=Label(devices_frame,text='Selected device') selected_device_title.pack(side=TOP) self.selected_device_var=StringVar() selected_device=Label(devices_frame,textvariable=self.selected_device_var,fg="red") selected_device.pack(side=TOP) events_frame=Frame(root_frame,padx=5,pady=10) events_frame.pack(side=LEFT) events_title=Label(events_frame,text='Received Events') events_title.pack(side=TOP) events_list_frame=Frame(events_frame,padx=5,pady=10) events_list_frame.pack(side=TOP) # list of devices scrollbar = Scrollbar(devices_list_frame, orient=VERTICAL) self.devices_display = Listbox(devices_list_frame, selectmode=SINGLE, height=20, width = 60, bg="white",activestyle=NONE, fg="black", yscrollcommand=scrollbar.set) scrollbar.config(command=self.devices_display.yview) scrollbar.pack(side=RIGHT, fill=Y) self.devices_display.pack(side=LEFT, fill=BOTH, expand=1) self.devices_display.bind("<ButtonRelease-1>", self.e_select_device) # events display scrollbar = Scrollbar(events_list_frame, orient=VERTICAL) self.events_display = Text(events_list_frame,width=40,height=20, wrap='word', font="arial 11",padx=5,yscrollcommand=scrollbar.set) scrollbar.config(command=self.events_display.yview) scrollbar.pack(side=RIGHT, fill=Y) self.events_display.pack(side=LEFT, fill=BOTH, expand=1) self.events_display.config(state=NORMAL) self.events_display.delete(1.0, END) self.events_display.config(state=DISABLED) self.selected_device_index=-1 self.matches=0 self.get_all_devices() self.refresh_devices_display() self.root.after(10,self.event_loop) # and enter Tkinter event loop self.root.mainloop() # *************************************** # INIT AND EXIT # *************************************** def app_exit(self): self.root.destroy() exit() def event_loop(self): if self.matches>0: self.get_events() self.root.after(10,self.event_loop) def refresh_devices_display(self): self.devices_display.delete(0,self.devices_display.size()) for device in self.all_devices: self.devices_display.insert(END, device[0]+ ' ' +device[1]) if self.selected_device_index >= 0: self.devices_display.itemconfig(self.selected_device_index,fg='red') self.devices_display.see(self.selected_device_index) def e_select_device(self,event): self.selected_device_index=-1 if len(self.all_devices)>0: self.selected_device_index=int(event.widget.curselection()[0]) selected_device=self.all_devices[self.selected_device_index] self.selected_device_name=selected_device[0] self.selected_device_var.set(self.selected_device_name) self.get_matching_devices() self.refresh_devices_display() def get_all_devices(self): self.all_devices=[] devices = [evdev.InputDevice(fn) for fn in evdev.list_devices()] for device in devices: self.all_devices.append([device.name,device.fn]) def get_matching_devices(self): self.matches=0 self.matching_devices=[] devices = [evdev.InputDevice(fn) for fn in evdev.list_devices()] for device in devices: if self.selected_device_name in device.name: device_ref = evdev.InputDevice(device.fn) self.matching_devices.append(device_ref) self.matches+=1 def get_events(self): r,w,x = select(self.matching_devices, [], [],0) if r == []: return for event in r[0].read(): if event.type == evdev.ecodes.EV_KEY: key_event = evdev.categorize(event) if key_event.keystate == 1: key_text='Down' else: key_text='Up' # print key_event.keycode,key_text if type(key_event.keycode) is list: code_text=', '.join(key_event.keycode) else: code_text=key_event.keycode self.events_display.config(state=NORMAL) self.events_display.insert(END,'\n'+ code_text + ' ' + key_text) self.events_display.config(state=DISABLED) self.events_display.see(END)
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()
class rayCaster(object): def __init__(self): self.root = Tk() self.root.title("Ray Tracer") canvas = Canvas(self.root, width=WIN_SIZE, height=WIN_SIZE) self.image = PhotoImage(master=self.root, width=WIN_SIZE, height=WIN_SIZE) imageCentre = (WIN_SIZE / 2 + 2, WIN_SIZE / 2 + 2) canvas.create_image(imageCentre, image=self.image) canvas.pack() # Enqueue a callback to the ray tracer to start it going self.root.after(0, lambda: self.trace()) return def putImageRow(self, row, colours): """Output a list of colours to the specified row of the image. Tk uses horrible hexadecimal formatted colours, packed into a string separated by spaces and all enclosed in braces." """ hexColours = ["#%02x%02x%02x" % colour for colour in colours] rowColourString = "{" + " ".join(hexColours) + "}" self.image.put(rowColourString, to=(0, row)) self.root.update() # Main body. Set up an image then compute colour at each pixel def trace(self): camera = definition.camera camera.img = Image.new("RGB", (camera.size, camera.size)) print "ScottTracer" print "\tTracing Rays... 0%", sys.stdout.flush() count = 0 t0 = time.clock() max = float(WIN_SIZE**2) lastPercentage = 0 for row in range(WIN_SIZE): ROW = [] for col in range(WIN_SIZE): count += 1 pixel = camera.pixelColour(col, row) camera.img.putpixel((col, row), pixel.intColour()) ROW.append(pixel.intColour()) percentage = (count / max * 100) self.putImageRow(row, ROW) if percentage - lastPercentage > .9: print "\b\b\b\b\b\b%4.0f%%" % percentage, sys.stdout.flush() lastPercentage = percentage print "\b\b\b\b\b\b Done (%f sec)" % (time.clock() - t0) print "\tAnti-alasing... 0%", sys.stdout.flush() t0 = time.clock() count = 0 lastPercentage = 0 for row in range(WIN_SIZE): ROW = [] self.putImageRow(row, [(255, 255, 255)] * WIN_SIZE) for col in range(WIN_SIZE): count += 1 pixel = camera.aa(col, row) camera.img.putpixel((col, row), pixel) ROW.append(pixel) percentage = (count / max * 100) self.putImageRow(row, ROW) if percentage - lastPercentage > .9: print "\b\b\b\b\b\b%4.0f%%" % percentage, sys.stdout.flush() lastPercentage = percentage print "\b\b\b\b\b\b (%f sec)" % (time.clock() - t0) print camera.pixels camera.img.save( sys.argv[1] + ".png") # Display image in default image-viewer application
class TkApplication: # these are passed to Tk() and must be redefined by the subclasses: tk_basename = '' tk_class_name = '' def __init__(self, screen_name=None, geometry=None): self.init_tk(screen_name, geometry) def init_tk(self, screen_name=None, geometry=None): self.root = Tk(screenName=screen_name, baseName=self.tk_basename, className=self.tk_class_name) app.root = self.root from sk1.managers.uimanager import UIManager app.uimanager = UIManager(self.root) self.splash = SplashScreen(self.root) self.splash.show() self.splash.set_val(.1, 'DialogManager initialization...') from sk1.managers.dialogmanager import DialogManager app.dialogman = DialogManager(self.root) self.splash.set_val(.15, 'Setting appication data...') app.info1 = StringVar(self.root, '') app.info2 = StringVar(self.root, '') app.info3 = DoubleVar(self.root, 0) # Reset locale again to make sure we get properly translated # messages if desired by the user. For some reason it may # have been reset by Tcl/Tk. # if this fails it will already have failed in # app/__init__.py which also prints a warning. try: import locale except ImportError: pass else: try: locale.setlocale(locale.LC_MESSAGES, "") except: pass if not geometry: # try to read geometry from resource database geometry = self.root.option_get('geometry', 'Geometry') if geometry: try: self.root.geometry(geometry) except TclError: sys.stderr.write('%s: invalid geometry specification %s' % (self.tk_basename, geometry)) def Mainloop(self): self.splash.set_val(1) self.root.update() self.root.deiconify() self.root.after(300, self.splash.hide) self.root.mainloop() def MessageBox(self, *args, **kw): return apply(tkext.MessageDialog, (self.root, ) + args, kw) def GetOpenFilename(self, **kwargs): return apply(tkext.GetOpenFilename, (self.root, ), kwargs) def GetSaveFilename(self, **kwargs): return apply(tkext.GetSaveFilename, (self.root, ), kwargs) clipboard = None def EmptyClipboard(self): self.SetClipboard(None) def SetClipboard(self, data): self.clipboard = data def GetClipboard(self): return self.clipboard def ClipboardContainsData(self): return self.clipboard is not None
class ShiftReduceApp(object): """ A graphical tool for exploring the shift-reduce parser. The tool displays the parser's stack and the remaining text, and allows the user to control the parser's operation. In particular, the user can shift tokens onto the stack, and can perform reductions on the top elements of the stack. A "step" button simply steps through the parsing process, performing the operations that ``nltk.parse.ShiftReduceParser`` would use. """ def __init__(self, grammar, sent, trace=0): self._sent = sent self._parser = SteppingShiftReduceParser(grammar, trace) # Set up the main window. self._top = Tk() self._top.title('Shift Reduce Parser Application') # Animations. animating_lock is a lock to prevent the demo # from performing new operations while it's animating. self._animating_lock = 0 self._animate = IntVar(self._top) self._animate.set(10) # = medium # The user can hide the grammar. self._show_grammar = IntVar(self._top) self._show_grammar.set(1) # Initialize fonts. self._init_fonts(self._top) # Set up key bindings. self._init_bindings() # Create the basic frames. self._init_menubar(self._top) self._init_buttons(self._top) self._init_feedback(self._top) self._init_grammar(self._top) self._init_canvas(self._top) # A popup menu for reducing. self._reduce_menu = Menu(self._canvas, tearoff=0) # Reset the demo, and set the feedback frame to empty. self.reset() self._lastoper1['text'] = '' ######################################### ## Initialization Helpers ######################################### def _init_fonts(self, root): # See: <http://www.astro.washington.edu/owen/ROTKFolklore.html> self._sysfont = tkFont.Font(font=Button()["font"]) root.option_add("*Font", self._sysfont) # TWhat's our font size (default=same as sysfont) self._size = IntVar(root) self._size.set(self._sysfont.cget('size')) self._boldfont = tkFont.Font(family='helvetica', weight='bold', size=self._size.get()) self._font = tkFont.Font(family='helvetica', size=self._size.get()) def _init_grammar(self, parent): # Grammar view. self._prodframe = listframe = Frame(parent) self._prodframe.pack(fill='both', side='left', padx=2) self._prodlist_label = Label(self._prodframe, font=self._boldfont, text='Available Reductions') self._prodlist_label.pack() self._prodlist = Listbox(self._prodframe, selectmode='single', relief='groove', background='white', foreground='#909090', font=self._font, selectforeground='#004040', selectbackground='#c0f0c0') self._prodlist.pack(side='right', fill='both', expand=1) self._productions = list(self._parser.grammar().productions()) for production in self._productions: self._prodlist.insert('end', (' %s' % production)) self._prodlist.config(height=min(len(self._productions), 25)) # Add a scrollbar if there are more than 25 productions. if 1: #len(self._productions) > 25: listscroll = Scrollbar(self._prodframe, orient='vertical') self._prodlist.config(yscrollcommand=listscroll.set) listscroll.config(command=self._prodlist.yview) listscroll.pack(side='left', fill='y') # If they select a production, apply it. self._prodlist.bind('<<ListboxSelect>>', self._prodlist_select) # When they hover over a production, highlight it. self._hover = -1 self._prodlist.bind('<Motion>', self._highlight_hover) self._prodlist.bind('<Leave>', self._clear_hover) def _init_bindings(self): # Quit self._top.bind('<Control-q>', self.destroy) self._top.bind('<Control-x>', self.destroy) self._top.bind('<Alt-q>', self.destroy) self._top.bind('<Alt-x>', self.destroy) # Ops (step, shift, reduce, undo) self._top.bind('<space>', self.step) self._top.bind('<s>', self.shift) self._top.bind('<Alt-s>', self.shift) self._top.bind('<Control-s>', self.shift) self._top.bind('<r>', self.reduce) self._top.bind('<Alt-r>', self.reduce) self._top.bind('<Control-r>', self.reduce) self._top.bind('<Delete>', self.reset) self._top.bind('<u>', self.undo) self._top.bind('<Alt-u>', self.undo) self._top.bind('<Control-u>', self.undo) self._top.bind('<Control-z>', self.undo) self._top.bind('<BackSpace>', self.undo) # Misc self._top.bind('<Control-p>', self.postscript) self._top.bind('<Control-h>', self.help) self._top.bind('<F1>', self.help) self._top.bind('<Control-g>', self.edit_grammar) self._top.bind('<Control-t>', self.edit_sentence) # Animation speed control self._top.bind('-', lambda e, a=self._animate: a.set(20)) self._top.bind('=', lambda e, a=self._animate: a.set(10)) self._top.bind('+', lambda e, a=self._animate: a.set(4)) def _init_buttons(self, parent): # Set up the frames. self._buttonframe = buttonframe = Frame(parent) buttonframe.pack(fill='none', side='bottom') Button( buttonframe, text='Step', background='#90c0d0', foreground='black', command=self.step, ).pack(side='left') Button(buttonframe, text='Shift', underline=0, background='#90f090', foreground='black', command=self.shift).pack(side='left') Button(buttonframe, text='Reduce', underline=0, background='#90f090', foreground='black', command=self.reduce).pack(side='left') Button(buttonframe, text='Undo', underline=0, background='#f0a0a0', foreground='black', command=self.undo).pack(side='left') def _init_menubar(self, parent): menubar = Menu(parent) filemenu = Menu(menubar, tearoff=0) filemenu.add_command(label='Reset Parser', underline=0, command=self.reset, accelerator='Del') filemenu.add_command(label='Print to Postscript', underline=0, command=self.postscript, accelerator='Ctrl-p') filemenu.add_command(label='Exit', underline=1, command=self.destroy, accelerator='Ctrl-x') menubar.add_cascade(label='File', underline=0, menu=filemenu) editmenu = Menu(menubar, tearoff=0) editmenu.add_command(label='Edit Grammar', underline=5, command=self.edit_grammar, accelerator='Ctrl-g') editmenu.add_command(label='Edit Text', underline=5, command=self.edit_sentence, accelerator='Ctrl-t') menubar.add_cascade(label='Edit', underline=0, menu=editmenu) rulemenu = Menu(menubar, tearoff=0) rulemenu.add_command(label='Step', underline=1, command=self.step, accelerator='Space') rulemenu.add_separator() rulemenu.add_command(label='Shift', underline=0, command=self.shift, accelerator='Ctrl-s') rulemenu.add_command(label='Reduce', underline=0, command=self.reduce, accelerator='Ctrl-r') rulemenu.add_separator() rulemenu.add_command(label='Undo', underline=0, command=self.undo, accelerator='Ctrl-u') menubar.add_cascade(label='Apply', underline=0, menu=rulemenu) viewmenu = Menu(menubar, tearoff=0) viewmenu.add_checkbutton(label="Show Grammar", underline=0, variable=self._show_grammar, command=self._toggle_grammar) viewmenu.add_separator() viewmenu.add_radiobutton(label='Tiny', variable=self._size, underline=0, value=10, command=self.resize) viewmenu.add_radiobutton(label='Small', variable=self._size, underline=0, value=12, command=self.resize) viewmenu.add_radiobutton(label='Medium', variable=self._size, underline=0, value=14, command=self.resize) viewmenu.add_radiobutton(label='Large', variable=self._size, underline=0, value=18, command=self.resize) viewmenu.add_radiobutton(label='Huge', variable=self._size, underline=0, value=24, command=self.resize) menubar.add_cascade(label='View', underline=0, menu=viewmenu) animatemenu = Menu(menubar, tearoff=0) animatemenu.add_radiobutton(label="No Animation", underline=0, variable=self._animate, value=0) animatemenu.add_radiobutton(label="Slow Animation", underline=0, variable=self._animate, value=20, accelerator='-') animatemenu.add_radiobutton(label="Normal Animation", underline=0, variable=self._animate, value=10, accelerator='=') animatemenu.add_radiobutton(label="Fast Animation", underline=0, variable=self._animate, value=4, accelerator='+') menubar.add_cascade(label="Animate", underline=1, menu=animatemenu) helpmenu = Menu(menubar, tearoff=0) helpmenu.add_command(label='About', underline=0, command=self.about) helpmenu.add_command(label='Instructions', underline=0, command=self.help, accelerator='F1') menubar.add_cascade(label='Help', underline=0, menu=helpmenu) parent.config(menu=menubar) def _init_feedback(self, parent): self._feedbackframe = feedbackframe = Frame(parent) feedbackframe.pack(fill='x', side='bottom', padx=3, pady=3) self._lastoper_label = Label(feedbackframe, text='Last Operation:', font=self._font) self._lastoper_label.pack(side='left') lastoperframe = Frame(feedbackframe, relief='sunken', border=1) lastoperframe.pack(fill='x', side='right', expand=1, padx=5) self._lastoper1 = Label(lastoperframe, foreground='#007070', background='#f0f0f0', font=self._font) self._lastoper2 = Label(lastoperframe, anchor='w', width=30, foreground='#004040', background='#f0f0f0', font=self._font) self._lastoper1.pack(side='left') self._lastoper2.pack(side='left', fill='x', expand=1) def _init_canvas(self, parent): self._cframe = CanvasFrame(parent, background='white', width=525, closeenough=10, border=2, relief='sunken') self._cframe.pack(expand=1, fill='both', side='top', pady=2) canvas = self._canvas = self._cframe.canvas() self._stackwidgets = [] self._rtextwidgets = [] self._titlebar = canvas.create_rectangle(0, 0, 0, 0, fill='#c0f0f0', outline='black') self._exprline = canvas.create_line(0, 0, 0, 0, dash='.') self._stacktop = canvas.create_line(0, 0, 0, 0, fill='#408080') size = self._size.get() + 4 self._stacklabel = TextWidget(canvas, 'Stack', color='#004040', font=self._boldfont) self._rtextlabel = TextWidget(canvas, 'Remaining Text', color='#004040', font=self._boldfont) self._cframe.add_widget(self._stacklabel) self._cframe.add_widget(self._rtextlabel) ######################################### ## Main draw procedure ######################################### def _redraw(self): scrollregion = self._canvas['scrollregion'].split() (cx1, cy1, cx2, cy2) = [int(c) for c in scrollregion] # Delete the old stack & rtext widgets. for stackwidget in self._stackwidgets: self._cframe.destroy_widget(stackwidget) self._stackwidgets = [] for rtextwidget in self._rtextwidgets: self._cframe.destroy_widget(rtextwidget) self._rtextwidgets = [] # Position the titlebar & exprline (x1, y1, x2, y2) = self._stacklabel.bbox() y = y2 - y1 + 10 self._canvas.coords(self._titlebar, -5000, 0, 5000, y - 4) self._canvas.coords(self._exprline, 0, y * 2 - 10, 5000, y * 2 - 10) # Position the titlebar labels.. (x1, y1, x2, y2) = self._stacklabel.bbox() self._stacklabel.move(5 - x1, 3 - y1) (x1, y1, x2, y2) = self._rtextlabel.bbox() self._rtextlabel.move(cx2 - x2 - 5, 3 - y1) # Draw the stack. stackx = 5 for tok in self._parser.stack(): if isinstance(tok, Tree): attribs = { 'tree_color': '#4080a0', 'tree_width': 2, 'node_font': self._boldfont, 'node_color': '#006060', 'leaf_color': '#006060', 'leaf_font': self._font } widget = tree_to_treesegment(self._canvas, tok, **attribs) widget.node()['color'] = '#000000' else: widget = TextWidget(self._canvas, tok, color='#000000', font=self._font) widget.bind_click(self._popup_reduce) self._stackwidgets.append(widget) self._cframe.add_widget(widget, stackx, y) stackx = widget.bbox()[2] + 10 # Draw the remaining text. rtextwidth = 0 for tok in self._parser.remaining_text(): widget = TextWidget(self._canvas, tok, color='#000000', font=self._font) self._rtextwidgets.append(widget) self._cframe.add_widget(widget, rtextwidth, y) rtextwidth = widget.bbox()[2] + 4 # Allow enough room to shift the next token (for animations) if len(self._rtextwidgets) > 0: stackx += self._rtextwidgets[0].width() # Move the remaining text to the correct location (keep it # right-justified, when possible); and move the remaining text # label, if necessary. stackx = max(stackx, self._stacklabel.width() + 25) rlabelwidth = self._rtextlabel.width() + 10 if stackx >= cx2 - max(rtextwidth, rlabelwidth): cx2 = stackx + max(rtextwidth, rlabelwidth) for rtextwidget in self._rtextwidgets: rtextwidget.move(4 + cx2 - rtextwidth, 0) self._rtextlabel.move(cx2 - self._rtextlabel.bbox()[2] - 5, 0) midx = (stackx + cx2 - max(rtextwidth, rlabelwidth)) / 2 self._canvas.coords(self._stacktop, midx, 0, midx, 5000) (x1, y1, x2, y2) = self._stacklabel.bbox() # Set up binding to allow them to shift a token by dragging it. if len(self._rtextwidgets) > 0: def drag_shift(widget, midx=midx, self=self): if widget.bbox()[0] < midx: self.shift() else: self._redraw() self._rtextwidgets[0].bind_drag(drag_shift) self._rtextwidgets[0].bind_click(self.shift) # Draw the stack top. self._highlight_productions() def _draw_stack_top(self, widget): # hack.. midx = widget.bbox()[2] + 50 self._canvas.coords(self._stacktop, midx, 0, midx, 5000) def _highlight_productions(self): # Highlight the productions that can be reduced. self._prodlist.selection_clear(0, 'end') for prod in self._parser.reducible_productions(): index = self._productions.index(prod) self._prodlist.selection_set(index) ######################################### ## Button Callbacks ######################################### def destroy(self, *e): if self._top is None: return self._top.destroy() self._top = None def reset(self, *e): self._parser.initialize(self._sent) self._lastoper1['text'] = 'Reset App' self._lastoper2['text'] = '' self._redraw() def step(self, *e): if self.reduce(): return 1 elif self.shift(): return 1 else: if len(self._parser.parses()) > 0: self._lastoper1['text'] = 'Finished:' self._lastoper2['text'] = 'Success' else: self._lastoper1['text'] = 'Finished:' self._lastoper2['text'] = 'Failure' def shift(self, *e): if self._animating_lock: return if self._parser.shift(): tok = self._parser.stack()[-1] self._lastoper1['text'] = 'Shift:' self._lastoper2['text'] = '%r' % tok if self._animate.get(): self._animate_shift() else: self._redraw() return 1 return 0 def reduce(self, *e): if self._animating_lock: return production = self._parser.reduce() if production: self._lastoper1['text'] = 'Reduce:' self._lastoper2['text'] = '%s' % production if self._animate.get(): self._animate_reduce() else: self._redraw() return production def undo(self, *e): if self._animating_lock: return if self._parser.undo(): self._redraw() def postscript(self, *e): self._cframe.print_to_file() def mainloop(self, *args, **kwargs): """ Enter the Tkinter mainloop. This function must be called if this demo is created from a non-interactive program (e.g. from a secript); otherwise, the demo will close as soon as the script completes. """ if in_idle(): return self._top.mainloop(*args, **kwargs) ######################################### ## Menubar callbacks ######################################### def resize(self, size=None): if size is not None: self._size.set(size) size = self._size.get() self._font.configure(size=-(abs(size))) self._boldfont.configure(size=-(abs(size))) self._sysfont.configure(size=-(abs(size))) #self._stacklabel['font'] = ('helvetica', -size-4, 'bold') #self._rtextlabel['font'] = ('helvetica', -size-4, 'bold') #self._lastoper_label['font'] = ('helvetica', -size) #self._lastoper1['font'] = ('helvetica', -size) #self._lastoper2['font'] = ('helvetica', -size) #self._prodlist['font'] = ('helvetica', -size) #self._prodlist_label['font'] = ('helvetica', -size-2, 'bold') self._redraw() def help(self, *e): # The default font's not very legible; try using 'fixed' instead. try: ShowText(self._top, 'Help: Shift-Reduce Parser Application', (__doc__ or '').strip(), width=75, font='fixed') except: ShowText(self._top, 'Help: Shift-Reduce Parser Application', (__doc__ or '').strip(), width=75) def about(self, *e): ABOUT = ("NLTK Shift-Reduce Parser Application\n" + "Written by Edward Loper") TITLE = 'About: Shift-Reduce Parser Application' try: from tkMessageBox import Message Message(message=ABOUT, title=TITLE).show() except: ShowText(self._top, TITLE, ABOUT) def edit_grammar(self, *e): CFGEditor(self._top, self._parser.grammar(), self.set_grammar) def set_grammar(self, grammar): self._parser.set_grammar(grammar) self._productions = list(grammar.productions()) self._prodlist.delete(0, 'end') for production in self._productions: self._prodlist.insert('end', (' %s' % production)) def edit_sentence(self, *e): sentence = string.join(self._sent) title = 'Edit Text' instr = 'Enter a new sentence to parse.' EntryDialog(self._top, sentence, instr, self.set_sentence, title) def set_sentence(self, sent): self._sent = sent.split() #[XX] use tagged? self.reset() ######################################### ## Reduce Production Selection ######################################### def _toggle_grammar(self, *e): if self._show_grammar.get(): self._prodframe.pack(fill='both', side='left', padx=2, after=self._feedbackframe) self._lastoper1['text'] = 'Show Grammar' else: self._prodframe.pack_forget() self._lastoper1['text'] = 'Hide Grammar' self._lastoper2['text'] = '' def _prodlist_select(self, event): selection = self._prodlist.curselection() if len(selection) != 1: return index = int(selection[0]) production = self._parser.reduce(self._productions[index]) if production: self._lastoper1['text'] = 'Reduce:' self._lastoper2['text'] = '%s' % production if self._animate.get(): self._animate_reduce() else: self._redraw() else: # Reset the production selections. self._prodlist.selection_clear(0, 'end') for prod in self._parser.reducible_productions(): index = self._productions.index(prod) self._prodlist.selection_set(index) def _popup_reduce(self, widget): # Remove old commands. productions = self._parser.reducible_productions() if len(productions) == 0: return self._reduce_menu.delete(0, 'end') for production in productions: self._reduce_menu.add_command(label=str(production), command=self.reduce) self._reduce_menu.post(self._canvas.winfo_pointerx(), self._canvas.winfo_pointery()) ######################################### ## Animations ######################################### def _animate_shift(self): # What widget are we shifting? widget = self._rtextwidgets[0] # Where are we shifting from & to? right = widget.bbox()[0] if len(self._stackwidgets) == 0: left = 5 else: left = self._stackwidgets[-1].bbox()[2] + 10 # Start animating. dt = self._animate.get() dx = (left - right) * 1.0 / dt self._animate_shift_frame(dt, widget, dx) def _animate_shift_frame(self, frame, widget, dx): if frame > 0: self._animating_lock = 1 widget.move(dx, 0) self._top.after(10, self._animate_shift_frame, frame - 1, widget, dx) else: # but: stacktop?? # Shift the widget to the stack. del self._rtextwidgets[0] self._stackwidgets.append(widget) self._animating_lock = 0 # Display the available productions. self._draw_stack_top(widget) self._highlight_productions() def _animate_reduce(self): # What widgets are we shifting? numwidgets = len(self._parser.stack()[-1]) # number of children widgets = self._stackwidgets[-numwidgets:] # How far are we moving? if isinstance(widgets[0], TreeSegmentWidget): ydist = 15 + widgets[0].node().height() else: ydist = 15 + widgets[0].height() # Start animating. dt = self._animate.get() dy = ydist * 2.0 / dt self._animate_reduce_frame(dt / 2, widgets, dy) def _animate_reduce_frame(self, frame, widgets, dy): if frame > 0: self._animating_lock = 1 for widget in widgets: widget.move(0, dy) self._top.after(10, self._animate_reduce_frame, frame - 1, widgets, dy) else: del self._stackwidgets[-len(widgets):] for widget in widgets: self._cframe.remove_widget(widget) tok = self._parser.stack()[-1] if not isinstance(tok, Tree): raise ValueError() label = TextWidget(self._canvas, str(tok.node), color='#006060', font=self._boldfont) widget = TreeSegmentWidget(self._canvas, label, widgets, width=2) (x1, y1, x2, y2) = self._stacklabel.bbox() y = y2 - y1 + 10 if not self._stackwidgets: x = 5 else: x = self._stackwidgets[-1].bbox()[2] + 10 self._cframe.add_widget(widget, x, y) self._stackwidgets.append(widget) # Display the available productions. self._draw_stack_top(widget) self._highlight_productions() # # Delete the old widgets.. # del self._stackwidgets[-len(widgets):] # for widget in widgets: # self._cframe.destroy_widget(widget) # # # Make a new one. # tok = self._parser.stack()[-1] # if isinstance(tok, Tree): # attribs = {'tree_color': '#4080a0', 'tree_width': 2, # 'node_font': bold, 'node_color': '#006060', # 'leaf_color': '#006060', 'leaf_font':self._font} # widget = tree_to_treesegment(self._canvas, tok.type(), # **attribs) # widget.node()['color'] = '#000000' # else: # widget = TextWidget(self._canvas, tok.type(), # color='#000000', font=self._font) # widget.bind_click(self._popup_reduce) # (x1, y1, x2, y2) = self._stacklabel.bbox() # y = y2-y1+10 # if not self._stackwidgets: x = 5 # else: x = self._stackwidgets[-1].bbox()[2] + 10 # self._cframe.add_widget(widget, x, y) # self._stackwidgets.append(widget) #self._redraw() self._animating_lock = 0 ######################################### ## Hovering. ######################################### def _highlight_hover(self, event): # What production are we hovering over? index = self._prodlist.nearest(event.y) if self._hover == index: return # Clear any previous hover highlighting. self._clear_hover() # If the production corresponds to an available reduction, # highlight the stack. selection = [int(s) for s in self._prodlist.curselection()] if index in selection: rhslen = len(self._productions[index].rhs()) for stackwidget in self._stackwidgets[-rhslen:]: if isinstance(stackwidget, TreeSegmentWidget): stackwidget.node()['color'] = '#00a000' else: stackwidget['color'] = '#00a000' # Remember what production we're hovering over. self._hover = index def _clear_hover(self, *event): # Clear any previous hover highlighting. if self._hover == -1: return self._hover = -1 for stackwidget in self._stackwidgets: if isinstance(stackwidget, TreeSegmentWidget): stackwidget.node()['color'] = 'black' else: stackwidget['color'] = 'black'
def main(): if len(sys.argv) == 2: configFileName = sys.argv[1] else: configFileName = "freeworld.config" cfgReader = ConfigFileReader.ConfigFileReader(configFileName) ret, height, width, numRobots, R, baseX, baseY, initLocs, obstacles = cfgReader.readCfg( ) if ret == -1: print 'readCfg() Unsuccessful!' sys.exit(-1) else: print 'Read the config file', configFileName k = 2 T = 100000 # algo = Faigl.Faigl(height, width, obstacles, numRobots, initLocs, T) # algo = FrontierClusters.FrontierClusters(height, width, obstacles, numRobots, initLocs, T) algo = CAC.CAC(height, width, obstacles, numRobots, initLocs, T) # algo = Yamauchi.Yamauchi(height, width, obstacles, numRobots, initLocs, T) # algo = Burgard.Burgard(height, width, obstacles, numRobots, initLocs, T) # algo.printGrid() # print '' # print '' # cfgc = algo.generateCfgcPopulation() # for j in range(T): # algo.runOneIterV2() # timeTaken = algo.printVisitedStatus() # if timeTaken == 0: # return T # return timeTaken # Code that takes care of the GUI if height <= 10: xoffset = 300 else: xoffset = 100 if width <= 10: yoffset = 300 else: yoffset = 100 maxScreenHeight = 700 cellSize = int(floor(maxScreenHeight / (height + 2))) root = Tk() gui = GridUI.GridUI(root, height, width, cellSize, algo.gridworld, algo.robots, algo.frontier) guiHeight = str((height + 2) * cellSize) guiWidth = str((width + 2) * cellSize) xOffset = str(xoffset) yOffset = str(yoffset) geometryParam = guiWidth + 'x' + guiHeight + '+' + xOffset + '+' + yOffset root.geometry(geometryParam) # Runs one iteration of the algorithm and updates the GUI def run(): algo.runOneIter() gui.redraw(height, width, cellSize, algo.gridworld, algo.robots, algo.frontier) root.after(1, run) root.after(1, run) root.mainloop()
#------replace images------------ from Tkinter import Label, Tk import ImageTk import Image import threading from PIL import ImageGrab im = ImageGrab.grab() # shot the screen im.save(r'd:\screen.png') # save the shot screen path = 'd:\screen.png' root = Tk() # get GUI img = ImageTk.PhotoImage(Image.open(path)) # create img from shot screen panel = Label(root, image=img) panel.pack() # display image def screenshot(): im1 = ImageGrab.grab() im1.save(r'd:\screen.png') img1 = ImageTk.PhotoImage(Image.open('d:\screen.png')) panel.configure( image=img1) # critical code --> update the configure new img panel.image = img1 # update the img root.after(40, screenshot) # recursive function delay 40ms root.after(500, screenshot) # call function after 500ms root.mainloop() # play GUI
else: print "Please provide an arugment:\n\ttest: runs the test sets\n\tgame: runs the levels" sys.exit(1) def startFunction(): for i in range(0, len(_app.levels)): _solver = solver.Solver("./data/data.json", _app.levels[i]) _app.displayLevel(_app.levels[i]) root.update() _solver.solve() raw_input("Press Enter to view solution...") while(len(_solver.moveList) > 0): root.update() _solver.stepThroughSolution() _app.displayLevel(_solver.getLevel()) time.sleep(0.13) if i != len(_app.levels) -1: raw_input("Press Enter to begin solving next level") else: raw_input("Done! Press enter to exit.") sys.exit(0) if __name__=='__main__': root = Tk() _app = app.App(root) check_args(_app) root.after(500, startFunction) _app.run()
eye_left = c.create_oval(130, 110, 160, 170, outline='black', fill='white') eye_right = c.create_oval(230, 110, 260, 170, outline='black', fill='white') pupil_left = c.create_oval(140,145,150, 155, outline='black', fill='black') pupil_right = c.create_oval(240, 145, 250, 155, outline='black',fill='black') #Normal mouth mouth_normal = c.create_line(170, 250, 200, 282, 230, 250, smooth=1, width=2, state=NORMAL) #Petting face mouth_happy = c.create_line(170, 250, 200, 292, 230, 250, smooth=1, width=2, state=HIDDEN) blush_left = c.create_oval(70, 180, 120, 230, outline='hotpink', fill='hotpink', state=HIDDEN) blush_right = c.create_oval(280, 180, 330, 230, outline='hotpink', fill='hotpink', state=HIDDEN) #Sad face mouth_sad = c.create_line(170, 250, 200, 232, 230, 250, smooth=1, width=2,state=HIDDEN) #Tongue tongue_main = c.create_rectangle(170, 250, 230, 290, outline='deeppink', fill='deeppink', state=HIDDEN) tongue_tip = c.create_oval(170, 285, 230, 300, outline='deeppink', fill='deeppink', state=HIDDEN) c.pack() #Animations c.bind('<Motion>', show_happy) c.bind('<Leave>', hide_happy) c.bind('<Double-1>', cheeky) c.eyes_crossed = False c.tongue_out = False root.after(1000, blink) root.mainloop()
class ShiftReduceApp(object): """ A graphical tool for exploring the shift-reduce parser. The tool displays the parser's stack and the remaining text, and allows the user to control the parser's operation. In particular, the user can shift tokens onto the stack, and can perform reductions on the top elements of the stack. A "step" button simply steps through the parsing process, performing the operations that ``nltk.parse.ShiftReduceParser`` would use. """ def __init__(self, grammar, sent, trace=0): self._sent = sent self._parser = SteppingShiftReduceParser(grammar, trace) # Set up the main window. self._top = Tk() self._top.title("Shift Reduce Parser Application") # Animations. animating_lock is a lock to prevent the demo # from performing new operations while it's animating. self._animating_lock = 0 self._animate = IntVar(self._top) self._animate.set(10) # = medium # The user can hide the grammar. self._show_grammar = IntVar(self._top) self._show_grammar.set(1) # Initialize fonts. self._init_fonts(self._top) # Set up key bindings. self._init_bindings() # Create the basic frames. self._init_menubar(self._top) self._init_buttons(self._top) self._init_feedback(self._top) self._init_grammar(self._top) self._init_canvas(self._top) # A popup menu for reducing. self._reduce_menu = Menu(self._canvas, tearoff=0) # Reset the demo, and set the feedback frame to empty. self.reset() self._lastoper1["text"] = "" ######################################### ## Initialization Helpers ######################################### def _init_fonts(self, root): # See: <http://www.astro.washington.edu/owen/ROTKFolklore.html> self._sysfont = tkFont.Font(font=Button()["font"]) root.option_add("*Font", self._sysfont) # TWhat's our font size (default=same as sysfont) self._size = IntVar(root) self._size.set(self._sysfont.cget("size")) self._boldfont = tkFont.Font(family="helvetica", weight="bold", size=self._size.get()) self._font = tkFont.Font(family="helvetica", size=self._size.get()) def _init_grammar(self, parent): # Grammar view. self._prodframe = listframe = Frame(parent) self._prodframe.pack(fill="both", side="left", padx=2) self._prodlist_label = Label(self._prodframe, font=self._boldfont, text="Available Reductions") self._prodlist_label.pack() self._prodlist = Listbox( self._prodframe, selectmode="single", relief="groove", background="white", foreground="#909090", font=self._font, selectforeground="#004040", selectbackground="#c0f0c0", ) self._prodlist.pack(side="right", fill="both", expand=1) self._productions = list(self._parser.grammar().productions()) for production in self._productions: self._prodlist.insert("end", (" %s" % production)) self._prodlist.config(height=min(len(self._productions), 25)) # Add a scrollbar if there are more than 25 productions. if 1: # len(self._productions) > 25: listscroll = Scrollbar(self._prodframe, orient="vertical") self._prodlist.config(yscrollcommand=listscroll.set) listscroll.config(command=self._prodlist.yview) listscroll.pack(side="left", fill="y") # If they select a production, apply it. self._prodlist.bind("<<ListboxSelect>>", self._prodlist_select) # When they hover over a production, highlight it. self._hover = -1 self._prodlist.bind("<Motion>", self._highlight_hover) self._prodlist.bind("<Leave>", self._clear_hover) def _init_bindings(self): # Quit self._top.bind("<Control-q>", self.destroy) self._top.bind("<Control-x>", self.destroy) self._top.bind("<Alt-q>", self.destroy) self._top.bind("<Alt-x>", self.destroy) # Ops (step, shift, reduce, undo) self._top.bind("<space>", self.step) self._top.bind("<s>", self.shift) self._top.bind("<Alt-s>", self.shift) self._top.bind("<Control-s>", self.shift) self._top.bind("<r>", self.reduce) self._top.bind("<Alt-r>", self.reduce) self._top.bind("<Control-r>", self.reduce) self._top.bind("<Delete>", self.reset) self._top.bind("<u>", self.undo) self._top.bind("<Alt-u>", self.undo) self._top.bind("<Control-u>", self.undo) self._top.bind("<Control-z>", self.undo) self._top.bind("<BackSpace>", self.undo) # Misc self._top.bind("<Control-p>", self.postscript) self._top.bind("<Control-h>", self.help) self._top.bind("<F1>", self.help) self._top.bind("<Control-g>", self.edit_grammar) self._top.bind("<Control-t>", self.edit_sentence) # Animation speed control self._top.bind("-", lambda e, a=self._animate: a.set(20)) self._top.bind("=", lambda e, a=self._animate: a.set(10)) self._top.bind("+", lambda e, a=self._animate: a.set(4)) def _init_buttons(self, parent): # Set up the frames. self._buttonframe = buttonframe = Frame(parent) buttonframe.pack(fill="none", side="bottom") Button(buttonframe, text="Step", background="#90c0d0", foreground="black", command=self.step).pack(side="left") Button( buttonframe, text="Shift", underline=0, background="#90f090", foreground="black", command=self.shift ).pack(side="left") Button( buttonframe, text="Reduce", underline=0, background="#90f090", foreground="black", command=self.reduce ).pack(side="left") Button(buttonframe, text="Undo", underline=0, background="#f0a0a0", foreground="black", command=self.undo).pack( side="left" ) def _init_menubar(self, parent): menubar = Menu(parent) filemenu = Menu(menubar, tearoff=0) filemenu.add_command(label="Reset Parser", underline=0, command=self.reset, accelerator="Del") filemenu.add_command(label="Print to Postscript", underline=0, command=self.postscript, accelerator="Ctrl-p") filemenu.add_command(label="Exit", underline=1, command=self.destroy, accelerator="Ctrl-x") menubar.add_cascade(label="File", underline=0, menu=filemenu) editmenu = Menu(menubar, tearoff=0) editmenu.add_command(label="Edit Grammar", underline=5, command=self.edit_grammar, accelerator="Ctrl-g") editmenu.add_command(label="Edit Text", underline=5, command=self.edit_sentence, accelerator="Ctrl-t") menubar.add_cascade(label="Edit", underline=0, menu=editmenu) rulemenu = Menu(menubar, tearoff=0) rulemenu.add_command(label="Step", underline=1, command=self.step, accelerator="Space") rulemenu.add_separator() rulemenu.add_command(label="Shift", underline=0, command=self.shift, accelerator="Ctrl-s") rulemenu.add_command(label="Reduce", underline=0, command=self.reduce, accelerator="Ctrl-r") rulemenu.add_separator() rulemenu.add_command(label="Undo", underline=0, command=self.undo, accelerator="Ctrl-u") menubar.add_cascade(label="Apply", underline=0, menu=rulemenu) viewmenu = Menu(menubar, tearoff=0) viewmenu.add_checkbutton( label="Show Grammar", underline=0, variable=self._show_grammar, command=self._toggle_grammar ) viewmenu.add_separator() viewmenu.add_radiobutton(label="Tiny", variable=self._size, underline=0, value=10, command=self.resize) viewmenu.add_radiobutton(label="Small", variable=self._size, underline=0, value=12, command=self.resize) viewmenu.add_radiobutton(label="Medium", variable=self._size, underline=0, value=14, command=self.resize) viewmenu.add_radiobutton(label="Large", variable=self._size, underline=0, value=18, command=self.resize) viewmenu.add_radiobutton(label="Huge", variable=self._size, underline=0, value=24, command=self.resize) menubar.add_cascade(label="View", underline=0, menu=viewmenu) animatemenu = Menu(menubar, tearoff=0) animatemenu.add_radiobutton(label="No Animation", underline=0, variable=self._animate, value=0) animatemenu.add_radiobutton( label="Slow Animation", underline=0, variable=self._animate, value=20, accelerator="-" ) animatemenu.add_radiobutton( label="Normal Animation", underline=0, variable=self._animate, value=10, accelerator="=" ) animatemenu.add_radiobutton( label="Fast Animation", underline=0, variable=self._animate, value=4, accelerator="+" ) menubar.add_cascade(label="Animate", underline=1, menu=animatemenu) helpmenu = Menu(menubar, tearoff=0) helpmenu.add_command(label="About", underline=0, command=self.about) helpmenu.add_command(label="Instructions", underline=0, command=self.help, accelerator="F1") menubar.add_cascade(label="Help", underline=0, menu=helpmenu) parent.config(menu=menubar) def _init_feedback(self, parent): self._feedbackframe = feedbackframe = Frame(parent) feedbackframe.pack(fill="x", side="bottom", padx=3, pady=3) self._lastoper_label = Label(feedbackframe, text="Last Operation:", font=self._font) self._lastoper_label.pack(side="left") lastoperframe = Frame(feedbackframe, relief="sunken", border=1) lastoperframe.pack(fill="x", side="right", expand=1, padx=5) self._lastoper1 = Label(lastoperframe, foreground="#007070", background="#f0f0f0", font=self._font) self._lastoper2 = Label( lastoperframe, anchor="w", width=30, foreground="#004040", background="#f0f0f0", font=self._font ) self._lastoper1.pack(side="left") self._lastoper2.pack(side="left", fill="x", expand=1) def _init_canvas(self, parent): self._cframe = CanvasFrame(parent, background="white", width=525, closeenough=10, border=2, relief="sunken") self._cframe.pack(expand=1, fill="both", side="top", pady=2) canvas = self._canvas = self._cframe.canvas() self._stackwidgets = [] self._rtextwidgets = [] self._titlebar = canvas.create_rectangle(0, 0, 0, 0, fill="#c0f0f0", outline="black") self._exprline = canvas.create_line(0, 0, 0, 0, dash=".") self._stacktop = canvas.create_line(0, 0, 0, 0, fill="#408080") size = self._size.get() + 4 self._stacklabel = TextWidget(canvas, "Stack", color="#004040", font=self._boldfont) self._rtextlabel = TextWidget(canvas, "Remaining Text", color="#004040", font=self._boldfont) self._cframe.add_widget(self._stacklabel) self._cframe.add_widget(self._rtextlabel) ######################################### ## Main draw procedure ######################################### def _redraw(self): scrollregion = self._canvas["scrollregion"].split() (cx1, cy1, cx2, cy2) = [int(c) for c in scrollregion] # Delete the old stack & rtext widgets. for stackwidget in self._stackwidgets: self._cframe.destroy_widget(stackwidget) self._stackwidgets = [] for rtextwidget in self._rtextwidgets: self._cframe.destroy_widget(rtextwidget) self._rtextwidgets = [] # Position the titlebar & exprline (x1, y1, x2, y2) = self._stacklabel.bbox() y = y2 - y1 + 10 self._canvas.coords(self._titlebar, -5000, 0, 5000, y - 4) self._canvas.coords(self._exprline, 0, y * 2 - 10, 5000, y * 2 - 10) # Position the titlebar labels.. (x1, y1, x2, y2) = self._stacklabel.bbox() self._stacklabel.move(5 - x1, 3 - y1) (x1, y1, x2, y2) = self._rtextlabel.bbox() self._rtextlabel.move(cx2 - x2 - 5, 3 - y1) # Draw the stack. stackx = 5 for tok in self._parser.stack(): if isinstance(tok, Tree): attribs = { "tree_color": "#4080a0", "tree_width": 2, "node_font": self._boldfont, "node_color": "#006060", "leaf_color": "#006060", "leaf_font": self._font, } widget = tree_to_treesegment(self._canvas, tok, **attribs) widget.node()["color"] = "#000000" else: widget = TextWidget(self._canvas, tok, color="#000000", font=self._font) widget.bind_click(self._popup_reduce) self._stackwidgets.append(widget) self._cframe.add_widget(widget, stackx, y) stackx = widget.bbox()[2] + 10 # Draw the remaining text. rtextwidth = 0 for tok in self._parser.remaining_text(): widget = TextWidget(self._canvas, tok, color="#000000", font=self._font) self._rtextwidgets.append(widget) self._cframe.add_widget(widget, rtextwidth, y) rtextwidth = widget.bbox()[2] + 4 # Allow enough room to shift the next token (for animations) if len(self._rtextwidgets) > 0: stackx += self._rtextwidgets[0].width() # Move the remaining text to the correct location (keep it # right-justified, when possible); and move the remaining text # label, if necessary. stackx = max(stackx, self._stacklabel.width() + 25) rlabelwidth = self._rtextlabel.width() + 10 if stackx >= cx2 - max(rtextwidth, rlabelwidth): cx2 = stackx + max(rtextwidth, rlabelwidth) for rtextwidget in self._rtextwidgets: rtextwidget.move(4 + cx2 - rtextwidth, 0) self._rtextlabel.move(cx2 - self._rtextlabel.bbox()[2] - 5, 0) midx = (stackx + cx2 - max(rtextwidth, rlabelwidth)) / 2 self._canvas.coords(self._stacktop, midx, 0, midx, 5000) (x1, y1, x2, y2) = self._stacklabel.bbox() # Set up binding to allow them to shift a token by dragging it. if len(self._rtextwidgets) > 0: def drag_shift(widget, midx=midx, self=self): if widget.bbox()[0] < midx: self.shift() else: self._redraw() self._rtextwidgets[0].bind_drag(drag_shift) self._rtextwidgets[0].bind_click(self.shift) # Draw the stack top. self._highlight_productions() def _draw_stack_top(self, widget): # hack.. midx = widget.bbox()[2] + 50 self._canvas.coords(self._stacktop, midx, 0, midx, 5000) def _highlight_productions(self): # Highlight the productions that can be reduced. self._prodlist.selection_clear(0, "end") for prod in self._parser.reducible_productions(): index = self._productions.index(prod) self._prodlist.selection_set(index) ######################################### ## Button Callbacks ######################################### def destroy(self, *e): if self._top is None: return self._top.destroy() self._top = None def reset(self, *e): self._parser.initialize(self._sent) self._lastoper1["text"] = "Reset App" self._lastoper2["text"] = "" self._redraw() def step(self, *e): if self.reduce(): return 1 elif self.shift(): return 1 else: if len(self._parser.parses()) > 0: self._lastoper1["text"] = "Finished:" self._lastoper2["text"] = "Success" else: self._lastoper1["text"] = "Finished:" self._lastoper2["text"] = "Failure" def shift(self, *e): if self._animating_lock: return if self._parser.shift(): tok = self._parser.stack()[-1] self._lastoper1["text"] = "Shift:" self._lastoper2["text"] = "%r" % tok if self._animate.get(): self._animate_shift() else: self._redraw() return 1 return 0 def reduce(self, *e): if self._animating_lock: return production = self._parser.reduce() if production: self._lastoper1["text"] = "Reduce:" self._lastoper2["text"] = "%s" % production if self._animate.get(): self._animate_reduce() else: self._redraw() return production def undo(self, *e): if self._animating_lock: return if self._parser.undo(): self._redraw() def postscript(self, *e): self._cframe.print_to_file() def mainloop(self, *args, **kwargs): """ Enter the Tkinter mainloop. This function must be called if this demo is created from a non-interactive program (e.g. from a secript); otherwise, the demo will close as soon as the script completes. """ if in_idle(): return self._top.mainloop(*args, **kwargs) ######################################### ## Menubar callbacks ######################################### def resize(self, size=None): if size is not None: self._size.set(size) size = self._size.get() self._font.configure(size=-(abs(size))) self._boldfont.configure(size=-(abs(size))) self._sysfont.configure(size=-(abs(size))) # self._stacklabel['font'] = ('helvetica', -size-4, 'bold') # self._rtextlabel['font'] = ('helvetica', -size-4, 'bold') # self._lastoper_label['font'] = ('helvetica', -size) # self._lastoper1['font'] = ('helvetica', -size) # self._lastoper2['font'] = ('helvetica', -size) # self._prodlist['font'] = ('helvetica', -size) # self._prodlist_label['font'] = ('helvetica', -size-2, 'bold') self._redraw() def help(self, *e): # The default font's not very legible; try using 'fixed' instead. try: ShowText(self._top, "Help: Shift-Reduce Parser Application", (__doc__).strip(), width=75, font="fixed") except: ShowText(self._top, "Help: Shift-Reduce Parser Application", (__doc__).strip(), width=75) def about(self, *e): ABOUT = "NLTK Shift-Reduce Parser Application\n" + "Written by Edward Loper" TITLE = "About: Shift-Reduce Parser Application" try: from tkMessageBox import Message Message(message=ABOUT, title=TITLE).show() except: ShowText(self._top, TITLE, ABOUT) def edit_grammar(self, *e): CFGEditor(self._top, self._parser.grammar(), self.set_grammar) def set_grammar(self, grammar): self._parser.set_grammar(grammar) self._productions = list(grammar.productions()) self._prodlist.delete(0, "end") for production in self._productions: self._prodlist.insert("end", (" %s" % production)) def edit_sentence(self, *e): sentence = string.join(self._sent) title = "Edit Text" instr = "Enter a new sentence to parse." EntryDialog(self._top, sentence, instr, self.set_sentence, title) def set_sentence(self, sent): self._sent = sent.split() # [XX] use tagged? self.reset() ######################################### ## Reduce Production Selection ######################################### def _toggle_grammar(self, *e): if self._show_grammar.get(): self._prodframe.pack(fill="both", side="left", padx=2, after=self._feedbackframe) self._lastoper1["text"] = "Show Grammar" else: self._prodframe.pack_forget() self._lastoper1["text"] = "Hide Grammar" self._lastoper2["text"] = "" def _prodlist_select(self, event): selection = self._prodlist.curselection() if len(selection) != 1: return index = int(selection[0]) production = self._parser.reduce(self._productions[index]) if production: self._lastoper1["text"] = "Reduce:" self._lastoper2["text"] = "%s" % production if self._animate.get(): self._animate_reduce() else: self._redraw() else: # Reset the production selections. self._prodlist.selection_clear(0, "end") for prod in self._parser.reducible_productions(): index = self._productions.index(prod) self._prodlist.selection_set(index) def _popup_reduce(self, widget): # Remove old commands. productions = self._parser.reducible_productions() if len(productions) == 0: return self._reduce_menu.delete(0, "end") for production in productions: self._reduce_menu.add_command(label=str(production), command=self.reduce) self._reduce_menu.post(self._canvas.winfo_pointerx(), self._canvas.winfo_pointery()) ######################################### ## Animations ######################################### def _animate_shift(self): # What widget are we shifting? widget = self._rtextwidgets[0] # Where are we shifting from & to? right = widget.bbox()[0] if len(self._stackwidgets) == 0: left = 5 else: left = self._stackwidgets[-1].bbox()[2] + 10 # Start animating. dt = self._animate.get() dx = (left - right) * 1.0 / dt self._animate_shift_frame(dt, widget, dx) def _animate_shift_frame(self, frame, widget, dx): if frame > 0: self._animating_lock = 1 widget.move(dx, 0) self._top.after(10, self._animate_shift_frame, frame - 1, widget, dx) else: # but: stacktop?? # Shift the widget to the stack. del self._rtextwidgets[0] self._stackwidgets.append(widget) self._animating_lock = 0 # Display the available productions. self._draw_stack_top(widget) self._highlight_productions() def _animate_reduce(self): # What widgets are we shifting? numwidgets = len(self._parser.stack()[-1]) # number of children widgets = self._stackwidgets[-numwidgets:] # How far are we moving? if isinstance(widgets[0], TreeSegmentWidget): ydist = 15 + widgets[0].node().height() else: ydist = 15 + widgets[0].height() # Start animating. dt = self._animate.get() dy = ydist * 2.0 / dt self._animate_reduce_frame(dt / 2, widgets, dy) def _animate_reduce_frame(self, frame, widgets, dy): if frame > 0: self._animating_lock = 1 for widget in widgets: widget.move(0, dy) self._top.after(10, self._animate_reduce_frame, frame - 1, widgets, dy) else: del self._stackwidgets[-len(widgets) :] for widget in widgets: self._cframe.remove_widget(widget) tok = self._parser.stack()[-1] if not isinstance(tok, Tree): raise ValueError() label = TextWidget(self._canvas, str(tok.node), color="#006060", font=self._boldfont) widget = TreeSegmentWidget(self._canvas, label, widgets, width=2) (x1, y1, x2, y2) = self._stacklabel.bbox() y = y2 - y1 + 10 if not self._stackwidgets: x = 5 else: x = self._stackwidgets[-1].bbox()[2] + 10 self._cframe.add_widget(widget, x, y) self._stackwidgets.append(widget) # Display the available productions. self._draw_stack_top(widget) self._highlight_productions() # # Delete the old widgets.. # del self._stackwidgets[-len(widgets):] # for widget in widgets: # self._cframe.destroy_widget(widget) # # # Make a new one. # tok = self._parser.stack()[-1] # if isinstance(tok, Tree): # attribs = {'tree_color': '#4080a0', 'tree_width': 2, # 'node_font': bold, 'node_color': '#006060', # 'leaf_color': '#006060', 'leaf_font':self._font} # widget = tree_to_treesegment(self._canvas, tok.type(), # **attribs) # widget.node()['color'] = '#000000' # else: # widget = TextWidget(self._canvas, tok.type(), # color='#000000', font=self._font) # widget.bind_click(self._popup_reduce) # (x1, y1, x2, y2) = self._stacklabel.bbox() # y = y2-y1+10 # if not self._stackwidgets: x = 5 # else: x = self._stackwidgets[-1].bbox()[2] + 10 # self._cframe.add_widget(widget, x, y) # self._stackwidgets.append(widget) # self._redraw() self._animating_lock = 0 ######################################### ## Hovering. ######################################### def _highlight_hover(self, event): # What production are we hovering over? index = self._prodlist.nearest(event.y) if self._hover == index: return # Clear any previous hover highlighting. self._clear_hover() # If the production corresponds to an available reduction, # highlight the stack. selection = [int(s) for s in self._prodlist.curselection()] if index in selection: rhslen = len(self._productions[index].rhs()) for stackwidget in self._stackwidgets[-rhslen:]: if isinstance(stackwidget, TreeSegmentWidget): stackwidget.node()["color"] = "#00a000" else: stackwidget["color"] = "#00a000" # Remember what production we're hovering over. self._hover = index def _clear_hover(self, *event): # Clear any previous hover highlighting. if self._hover == -1: return self._hover = -1 for stackwidget in self._stackwidgets: if isinstance(stackwidget, TreeSegmentWidget): stackwidget.node()["color"] = "black" else: stackwidget["color"] = "black"
def main(): cfgReader = ConfigFileReader.ConfigFileReader("barmaze.config") ret, height, width, numRobots, R, baseX, baseY, initLocs, obstacles = cfgReader.readCfg() if ret == -1: print 'readCfg() Unsuccessful!' sys.exit(-1) print 'height', height print 'width', width print 'numRobots', numRobots print 'R', R print 'baseX', baseX print 'baseY', baseY print 'initLocs', initLocs print 'obstacles', obstacles k = 10 T = 1000 algo = CommExplore.CommExplore(height, width, obstacles, numRobots, initLocs, R, k) algo.printGrid() print '' print '' cfgc = algo.generateCfgcPopulation() # for j in range(T): # algo.runOneIter() # timeTaken = algo.printVisitedStatus() # if timeTaken == 0: # return T # return timeTaken if height <= 10: xoffset = 300 else: xoffset = 100 if width <= 10: yoffset = 300 else: yoffset = 100 maxScreenHeight = 700 cellSize = int(floor(maxScreenHeight / (height + 2))) root = Tk() # ex = Example(root) # root.geometry('400x100+500+500') # root.mainloop() gui = GridUI.GridUI(root, height, width, cellSize, algo.gridworld, algo.robots, algo.frontier) guiHeight = str((height + 2) * cellSize) guiWidth = str((width + 2) * cellSize) xOffset = str(xoffset) yOffset = str(yoffset) geometryParam = guiWidth + 'x' + guiHeight + '+' + xOffset + '+' + yOffset root.geometry(geometryParam) def run(): algo.runOneIter() gui.redraw(height, width, cellSize, algo.gridworld, algo.robots, algo.frontier) root.after(50, run) root.after(50, run) root.mainloop()
class gui: def __init__(self, sonar): self.tk = Tk() self.canvas = Canvas(self.tk, height=800, width=800) self.canvas.pack() self.next = Button(self.tk, text='next', command=self.step) self.next.pack() self.rb = Button(self.tk, text='run', command=self.run) self.rb.pack() self.sonar = sonar self.draw_map() self.draw_move_points() self.delete_old = True #self.tk.after(20,self.redraw) self.tk.mainloop() def run(self): self.next.config(state='disabled') self.rb.config(state='disabled') self.manual = False self.tk.after(50, self.redraw) def step(self): self.manual = True self.redraw() def redraw(self): check = self.sonar.sim_step() if self.delete_old: self.canvas.delete('scan') self.canvas.delete('intersect') self.canvas.delete('particle') self.canvas.delete('mvln') self.draw_sonar_data() self.draw_particle_data() if check is not -1 and self.manual is False: self.tk.after(50, self.redraw) def draw_sonar_data(self): #print 'data' #for line in self.sonar.scan_lines: #draw_line(self.canvas, line, tag='scan') #for point in self.sonar.intersection_points: #draw_point(self.canvas, point, tag='intersect') draw_point(self.canvas, self.sonar.loc, tag='sonar', colour='red') def draw_particle_data(self): particles = self.sonar.particles.list() for particle in particles: draw_point(self.canvas, particle.loc, weight=particle.wt, tag='particle') if particle.move_line: draw_line(self.canvas, particle.move_line, tag='mvln') #for line in particle.scan: # draw_line(self.canvas, line, tag='scan') #for intersect in particle.int: #draw_point(self.canvas, intersect, tag='intersect') def draw_map(self): #print 'map' for line in self.sonar.map.lines: draw_line(self.canvas, line, tag='map') def draw_move_points(self): for point in self.sonar.get_move_list(): draw_point(self.canvas, point[0], tag='mvpt')
class UI(object): def __init__(self): self._root = Tk() self._root.title("^ NotiFire ^") self._name = StringVar() self._is_osx = which_system() == 'Darwin' self._version = None ########################################################################## #### Public methods ##### ########################################################################## def get_name(self): frame = DraggableFrame(self._root) frame.pack(side=TOP, fill=BOTH, expand=YES) frame.columnconfigure(0, weight=1) frame.columnconfigure(4, weight=1) frame.rowconfigure(0, weight=1) frame.rowconfigure(4, weight=1) w = self._set_frame_geo(frame, 0.3, 0.3)[2] self._set_x_button(frame, w, self._close_get_name) Label(frame, text="Name:").grid(column=1, row=1) entry_style = SUNKEN if self._is_osx else FLAT entry = Entry(frame, exportselection=0, relief=entry_style, textvariable=self._name) entry.grid(column=2, row=1) entry.focus_set() error_label = Label(frame, fg='red') error_label.grid(column=1, row=2, columnspan=3) ok_cmd = partial(self._validate_name, error_label) FlatButton(frame, text='OK', width=20, font=("calibri", 15), command=ok_cmd).grid(column=1, row=3, columnspan=3) self._root.bind('<Return>', ok_cmd) self._root.bind('<Escape>', self._close_get_name) self._run() return self._name.get() if self._name else self._name def main_window(self, name, ping_callback): self._name.set(name) self._ping_callback = ping_callback # Create Frame self.frame = DraggableFrame(self._root) self.frame.pack(side=TOP, fill=BOTH, expand=YES) w = self._set_frame_geo(self.frame, 0.5, 0.6)[2] self._set_x_button(self.frame, w, self._root.destroy) Label(self.frame, text="Name:").place(x=10, y=15) Label(self.frame, text=self._name.get(), fg='blue').place(x=80, y=15) self._version_label = Label(self.frame, text="Newer version detected, please restart the app", fg='#a00', font=("calibri", 25)) FlatButton(self.frame, text="Test", width=26, command=self._test_action).place(x=10, y=50) FlatButton(self.frame, text='Refresh', width=26, command=self._generate_ping_buttons).place(x=10, y=90) self.ping_buttons = [] self._auto_refresh() self._check_version() self._run() ########################################################################## #### Private methods ##### ########################################################################## def _run(self): # Set transparency self._root.wait_visibility(self._root) self._root.attributes('-alpha', 0.95) self._root.lift() # Run Event loop self._root.mainloop() def _close_get_name(self, event=None): self._name = None self._root.destroy() def _set_frame_geo(self, frame, wf, hf): # Set frame size and position screen_width = frame.master.winfo_screenwidth() screen_heigh = frame.master.winfo_screenheight() w = screen_width * wf h = screen_heigh * hf # Center the window x = (screen_width/2) - (w/2) y = (screen_heigh/2) - (h/2) frame.master.geometry('%dx%d+%d+%d' % (w, h, x, y)) if not self._is_osx: frame.master.overrideredirect(True) # Set no border or title return x, y, w, h def _set_x_button(self, frame, w, callback): x_button_x_coordinate = w-30 if self._is_osx else w-20 FlatButton(frame, text='×', no_bg=True, width=1, font=("calibri", 15), command=callback).place(x=x_button_x_coordinate, y=-10) def _validate_name(self, error_label, event=None): name = self._name.get() if not 0 < len(name) < 25: error_label.config(text="Name must be 1-25 chars long") logger.error("Invalid name: %s" % (name)) elif not all(ord(c) < 128 for c in name): error_label.config(text="Name must be ascii") logger.error("Invalid Name: %s" % (name)) else: self._root.destroy() def _test_action(self): self._ping_someone(self._name.get()) def _ping_someone(self, name): ret = self._ping_callback(name) if not ret: self._generate_ping_buttons() splash.error(name + ' is no longer available') def _generate_ping_buttons(self): logger.info("generating buttons") #TODO put in a frame with a scrollbar for button in self.ping_buttons: button.destroy() self.ping_buttons = [] next_y = 10 for name in sorted(NotiFireDb.get_all_names()): if self._name.get() == name: continue cmd = partial(self._ping_someone, name) button = FlatButton(self.frame, text="Ping " + name, width=20, command=cmd) self.ping_buttons.append(button) button.place(x=300, y=next_y) next_y += 40 def _auto_refresh(self): self._generate_ping_buttons() self._root.after(600000, self._auto_refresh) # Run again in 10 mintues def _check_version(self): with open("version.txt") as f: latest = StrictVersion(f.read()) if self._version is None: self._version = latest elif self._version < latest: self._version_label.place(x=80, y=255) return self._root.after(86400000, self._check_version) # Run again in 1 day
class RecursiveDescentApp(object): """ A graphical tool for exploring the recursive descent parser. The tool displays the parser's tree and the remaining text, and allows the user to control the parser's operation. In particular, the user can expand subtrees on the frontier, match tokens on the frontier against the text, and backtrack. A "step" button simply steps through the parsing process, performing the operations that ``RecursiveDescentParser`` would use. """ def __init__(self, grammar, sent, trace=0): self._sent = sent self._parser = SteppingRecursiveDescentParser(grammar, trace) # Set up the main window. self._top = Tk() self._top.title('Recursive Descent Parser Application') # Set up key bindings. self._init_bindings() # Initialize the fonts. self._init_fonts(self._top) # Animations. animating_lock is a lock to prevent the demo # from performing new operations while it's animating. self._animation_frames = IntVar(self._top) self._animation_frames.set(5) self._animating_lock = 0 self._autostep = 0 # The user can hide the grammar. self._show_grammar = IntVar(self._top) self._show_grammar.set(1) # Create the basic frames. self._init_menubar(self._top) self._init_buttons(self._top) self._init_feedback(self._top) self._init_grammar(self._top) self._init_canvas(self._top) # Initialize the parser. self._parser.initialize(self._sent) # Resize callback self._canvas.bind('<Configure>', self._configure) ######################################### ## Initialization Helpers ######################################### def _init_fonts(self, root): # See: <http://www.astro.washington.edu/owen/ROTKFolklore.html> self._sysfont = tkFont.Font(font=Button()["font"]) root.option_add("*Font", self._sysfont) # TWhat's our font size (default=same as sysfont) self._size = IntVar(root) self._size.set(self._sysfont.cget('size')) self._boldfont = tkFont.Font(family='helvetica', weight='bold', size=self._size.get()) self._font = tkFont.Font(family='helvetica', size=self._size.get()) if self._size.get() < 0: big = self._size.get()-2 else: big = self._size.get()+2 self._bigfont = tkFont.Font(family='helvetica', weight='bold', size=big) def _init_grammar(self, parent): # Grammar view. self._prodframe = listframe = Frame(parent) self._prodframe.pack(fill='both', side='left', padx=2) self._prodlist_label = Label(self._prodframe, font=self._boldfont, text='Available Expansions') self._prodlist_label.pack() self._prodlist = Listbox(self._prodframe, selectmode='single', relief='groove', background='white', foreground='#909090', font=self._font, selectforeground='#004040', selectbackground='#c0f0c0') self._prodlist.pack(side='right', fill='both', expand=1) self._productions = list(self._parser.grammar().productions()) for production in self._productions: self._prodlist.insert('end', (' %s' % production)) self._prodlist.config(height=min(len(self._productions), 25)) # Add a scrollbar if there are more than 25 productions. if len(self._productions) > 25: listscroll = Scrollbar(self._prodframe, orient='vertical') self._prodlist.config(yscrollcommand = listscroll.set) listscroll.config(command=self._prodlist.yview) listscroll.pack(side='left', fill='y') # If they select a production, apply it. self._prodlist.bind('<<ListboxSelect>>', self._prodlist_select) def _init_bindings(self): # Key bindings are a good thing. self._top.bind('<Control-q>', self.destroy) self._top.bind('<Control-x>', self.destroy) self._top.bind('<Escape>', self.destroy) self._top.bind('e', self.expand) #self._top.bind('<Alt-e>', self.expand) #self._top.bind('<Control-e>', self.expand) self._top.bind('m', self.match) self._top.bind('<Alt-m>', self.match) self._top.bind('<Control-m>', self.match) self._top.bind('b', self.backtrack) self._top.bind('<Alt-b>', self.backtrack) self._top.bind('<Control-b>', self.backtrack) self._top.bind('<Control-z>', self.backtrack) self._top.bind('<BackSpace>', self.backtrack) self._top.bind('a', self.autostep) #self._top.bind('<Control-a>', self.autostep) self._top.bind('<Control-space>', self.autostep) self._top.bind('<Control-c>', self.cancel_autostep) self._top.bind('<space>', self.step) self._top.bind('<Delete>', self.reset) self._top.bind('<Control-p>', self.postscript) #self._top.bind('<h>', self.help) #self._top.bind('<Alt-h>', self.help) self._top.bind('<Control-h>', self.help) self._top.bind('<F1>', self.help) #self._top.bind('<g>', self.toggle_grammar) #self._top.bind('<Alt-g>', self.toggle_grammar) #self._top.bind('<Control-g>', self.toggle_grammar) self._top.bind('<Control-g>', self.edit_grammar) self._top.bind('<Control-t>', self.edit_sentence) def _init_buttons(self, parent): # Set up the frames. self._buttonframe = buttonframe = Frame(parent) buttonframe.pack(fill='none', side='bottom', padx=3, pady=2) Button(buttonframe, text='Step', background='#90c0d0', foreground='black', command=self.step,).pack(side='left') Button(buttonframe, text='Autostep', background='#90c0d0', foreground='black', command=self.autostep,).pack(side='left') Button(buttonframe, text='Expand', underline=0, background='#90f090', foreground='black', command=self.expand).pack(side='left') Button(buttonframe, text='Match', underline=0, background='#90f090', foreground='black', command=self.match).pack(side='left') Button(buttonframe, text='Backtrack', underline=0, background='#f0a0a0', foreground='black', command=self.backtrack).pack(side='left') # Replace autostep... # self._autostep_button = Button(buttonframe, text='Autostep', # underline=0, command=self.autostep) # self._autostep_button.pack(side='left') def _configure(self, event): self._autostep = 0 (x1, y1, x2, y2) = self._cframe.scrollregion() y2 = event.height - 6 self._canvas['scrollregion'] = '%d %d %d %d' % (x1,y1,x2,y2) self._redraw() def _init_feedback(self, parent): self._feedbackframe = feedbackframe = Frame(parent) feedbackframe.pack(fill='x', side='bottom', padx=3, pady=3) self._lastoper_label = Label(feedbackframe, text='Last Operation:', font=self._font) self._lastoper_label.pack(side='left') lastoperframe = Frame(feedbackframe, relief='sunken', border=1) lastoperframe.pack(fill='x', side='right', expand=1, padx=5) self._lastoper1 = Label(lastoperframe, foreground='#007070', background='#f0f0f0', font=self._font) self._lastoper2 = Label(lastoperframe, anchor='w', width=30, foreground='#004040', background='#f0f0f0', font=self._font) self._lastoper1.pack(side='left') self._lastoper2.pack(side='left', fill='x', expand=1) def _init_canvas(self, parent): self._cframe = CanvasFrame(parent, background='white', #width=525, height=250, closeenough=10, border=2, relief='sunken') self._cframe.pack(expand=1, fill='both', side='top', pady=2) canvas = self._canvas = self._cframe.canvas() # Initially, there's no tree or text self._tree = None self._textwidgets = [] self._textline = None def _init_menubar(self, parent): menubar = Menu(parent) filemenu = Menu(menubar, tearoff=0) filemenu.add_command(label='Reset Parser', underline=0, command=self.reset, accelerator='Del') filemenu.add_command(label='Print to Postscript', underline=0, command=self.postscript, accelerator='Ctrl-p') filemenu.add_command(label='Exit', underline=1, command=self.destroy, accelerator='Ctrl-x') menubar.add_cascade(label='File', underline=0, menu=filemenu) editmenu = Menu(menubar, tearoff=0) editmenu.add_command(label='Edit Grammar', underline=5, command=self.edit_grammar, accelerator='Ctrl-g') editmenu.add_command(label='Edit Text', underline=5, command=self.edit_sentence, accelerator='Ctrl-t') menubar.add_cascade(label='Edit', underline=0, menu=editmenu) rulemenu = Menu(menubar, tearoff=0) rulemenu.add_command(label='Step', underline=1, command=self.step, accelerator='Space') rulemenu.add_separator() rulemenu.add_command(label='Match', underline=0, command=self.match, accelerator='Ctrl-m') rulemenu.add_command(label='Expand', underline=0, command=self.expand, accelerator='Ctrl-e') rulemenu.add_separator() rulemenu.add_command(label='Backtrack', underline=0, command=self.backtrack, accelerator='Ctrl-b') menubar.add_cascade(label='Apply', underline=0, menu=rulemenu) viewmenu = Menu(menubar, tearoff=0) viewmenu.add_checkbutton(label="Show Grammar", underline=0, variable=self._show_grammar, command=self._toggle_grammar) viewmenu.add_separator() viewmenu.add_radiobutton(label='Tiny', variable=self._size, underline=0, value=10, command=self.resize) viewmenu.add_radiobutton(label='Small', variable=self._size, underline=0, value=12, command=self.resize) viewmenu.add_radiobutton(label='Medium', variable=self._size, underline=0, value=14, command=self.resize) viewmenu.add_radiobutton(label='Large', variable=self._size, underline=0, value=18, command=self.resize) viewmenu.add_radiobutton(label='Huge', variable=self._size, underline=0, value=24, command=self.resize) menubar.add_cascade(label='View', underline=0, menu=viewmenu) animatemenu = Menu(menubar, tearoff=0) animatemenu.add_radiobutton(label="No Animation", underline=0, variable=self._animation_frames, value=0) animatemenu.add_radiobutton(label="Slow Animation", underline=0, variable=self._animation_frames, value=10, accelerator='-') animatemenu.add_radiobutton(label="Normal Animation", underline=0, variable=self._animation_frames, value=5, accelerator='=') animatemenu.add_radiobutton(label="Fast Animation", underline=0, variable=self._animation_frames, value=2, accelerator='+') menubar.add_cascade(label="Animate", underline=1, menu=animatemenu) helpmenu = Menu(menubar, tearoff=0) helpmenu.add_command(label='About', underline=0, command=self.about) helpmenu.add_command(label='Instructions', underline=0, command=self.help, accelerator='F1') menubar.add_cascade(label='Help', underline=0, menu=helpmenu) parent.config(menu=menubar) ######################################### ## Helper ######################################### def _get(self, widget, treeloc): for i in treeloc: widget = widget.subtrees()[i] if isinstance(widget, TreeSegmentWidget): widget = widget.node() return widget ######################################### ## Main draw procedure ######################################### def _redraw(self): canvas = self._canvas # Delete the old tree, widgets, etc. if self._tree is not None: self._cframe.destroy_widget(self._tree) for twidget in self._textwidgets: self._cframe.destroy_widget(twidget) if self._textline is not None: self._canvas.delete(self._textline) # Draw the tree. helv = ('helvetica', -self._size.get()) bold = ('helvetica', -self._size.get(), 'bold') attribs = {'tree_color': '#000000', 'tree_width': 2, 'node_font': bold, 'leaf_font': helv,} tree = self._parser.tree() self._tree = tree_to_treesegment(canvas, tree, **attribs) self._cframe.add_widget(self._tree, 30, 5) # Draw the text. helv = ('helvetica', -self._size.get()) bottom = y = self._cframe.scrollregion()[3] self._textwidgets = [TextWidget(canvas, word, font=self._font) for word in self._sent] for twidget in self._textwidgets: self._cframe.add_widget(twidget, 0, 0) twidget.move(0, bottom-twidget.bbox()[3]-5) y = min(y, twidget.bbox()[1]) # Draw a line over the text, to separate it from the tree. self._textline = canvas.create_line(-5000, y-5, 5000, y-5, dash='.') # Highlight appropriate nodes. self._highlight_nodes() self._highlight_prodlist() # Make sure the text lines up. self._position_text() def _redraw_quick(self): # This should be more-or-less sufficient after an animation. self._highlight_nodes() self._highlight_prodlist() self._position_text() def _highlight_nodes(self): # Highlight the list of nodes to be checked. bold = ('helvetica', -self._size.get(), 'bold') for treeloc in self._parser.frontier()[:1]: self._get(self._tree, treeloc)['color'] = '#20a050' self._get(self._tree, treeloc)['font'] = bold for treeloc in self._parser.frontier()[1:]: self._get(self._tree, treeloc)['color'] = '#008080' def _highlight_prodlist(self): # Highlight the productions that can be expanded. # Boy, too bad tkinter doesn't implement Listbox.itemconfig; # that would be pretty useful here. self._prodlist.delete(0, 'end') expandable = self._parser.expandable_productions() untried = self._parser.untried_expandable_productions() productions = self._productions for index in range(len(productions)): if productions[index] in expandable: if productions[index] in untried: self._prodlist.insert(index, ' %s' % productions[index]) else: self._prodlist.insert(index, ' %s (TRIED)' % productions[index]) self._prodlist.selection_set(index) else: self._prodlist.insert(index, ' %s' % productions[index]) def _position_text(self): # Line up the text widgets that are matched against the tree numwords = len(self._sent) num_matched = numwords - len(self._parser.remaining_text()) leaves = self._tree_leaves()[:num_matched] xmax = self._tree.bbox()[0] for i in range(0, len(leaves)): widget = self._textwidgets[i] leaf = leaves[i] widget['color'] = '#006040' leaf['color'] = '#006040' widget.move(leaf.bbox()[0] - widget.bbox()[0], 0) xmax = widget.bbox()[2] + 10 # Line up the text widgets that are not matched against the tree. for i in range(len(leaves), numwords): widget = self._textwidgets[i] widget['color'] = '#a0a0a0' widget.move(xmax - widget.bbox()[0], 0) xmax = widget.bbox()[2] + 10 # If we have a complete parse, make everything green :) if self._parser.currently_complete(): for twidget in self._textwidgets: twidget['color'] = '#00a000' # Move the matched leaves down to the text. for i in range(0, len(leaves)): widget = self._textwidgets[i] leaf = leaves[i] dy = widget.bbox()[1] - leaf.bbox()[3] - 10.0 dy = max(dy, leaf.parent().node().bbox()[3] - leaf.bbox()[3] + 10) leaf.move(0, dy) def _tree_leaves(self, tree=None): if tree is None: tree = self._tree if isinstance(tree, TreeSegmentWidget): leaves = [] for child in tree.subtrees(): leaves += self._tree_leaves(child) return leaves else: return [tree] ######################################### ## Button Callbacks ######################################### def destroy(self, *e): self._autostep = 0 if self._top is None: return self._top.destroy() self._top = None def reset(self, *e): self._autostep = 0 self._parser.initialize(self._sent) self._lastoper1['text'] = 'Reset Application' self._lastoper2['text'] = '' self._redraw() def autostep(self, *e): if self._animation_frames.get() == 0: self._animation_frames.set(2) if self._autostep: self._autostep = 0 else: self._autostep = 1 self._step() def cancel_autostep(self, *e): #self._autostep_button['text'] = 'Autostep' self._autostep = 0 # Make sure to stop auto-stepping if we get any user input. def step(self, *e): self._autostep = 0; self._step() def match(self, *e): self._autostep = 0; self._match() def expand(self, *e): self._autostep = 0; self._expand() def backtrack(self, *e): self._autostep = 0; self._backtrack() def _step(self): if self._animating_lock: return # Try expanding, matching, and backtracking (in that order) if self._expand(): pass elif self._parser.untried_match() and self._match(): pass elif self._backtrack(): pass else: self._lastoper1['text'] = 'Finished' self._lastoper2['text'] = '' self._autostep = 0 # Check if we just completed a parse. if self._parser.currently_complete(): self._autostep = 0 self._lastoper2['text'] += ' [COMPLETE PARSE]' def _expand(self, *e): if self._animating_lock: return old_frontier = self._parser.frontier() rv = self._parser.expand() if rv is not None: self._lastoper1['text'] = 'Expand:' self._lastoper2['text'] = rv self._prodlist.selection_clear(0, 'end') index = self._productions.index(rv) self._prodlist.selection_set(index) self._animate_expand(old_frontier[0]) return 1 else: self._lastoper1['text'] = 'Expand:' self._lastoper2['text'] = '(all expansions tried)' return 0 def _match(self, *e): if self._animating_lock: return old_frontier = self._parser.frontier() rv = self._parser.match() if rv is not None: self._lastoper1['text'] = 'Match:' self._lastoper2['text'] = rv self._animate_match(old_frontier[0]) return 1 else: self._lastoper1['text'] = 'Match:' self._lastoper2['text'] = '(failed)' return 0 def _backtrack(self, *e): if self._animating_lock: return if self._parser.backtrack(): elt = self._parser.tree() for i in self._parser.frontier()[0]: elt = elt[i] self._lastoper1['text'] = 'Backtrack' self._lastoper2['text'] = '' if isinstance(elt, Tree): self._animate_backtrack(self._parser.frontier()[0]) else: self._animate_match_backtrack(self._parser.frontier()[0]) return 1 else: self._autostep = 0 self._lastoper1['text'] = 'Finished' self._lastoper2['text'] = '' return 0 def about(self, *e): ABOUT = ("NLTK Recursive Descent Parser Application\n"+ "Written by Edward Loper") TITLE = 'About: Recursive Descent Parser Application' try: from tkMessageBox import Message Message(message=ABOUT, title=TITLE).show() except: ShowText(self._top, TITLE, ABOUT) def help(self, *e): self._autostep = 0 # The default font's not very legible; try using 'fixed' instead. try: ShowText(self._top, 'Help: Recursive Descent Parser Application', (__doc__ or '').strip(), width=75, font='fixed') except: ShowText(self._top, 'Help: Recursive Descent Parser Application', (__doc__ or '').strip(), width=75) def postscript(self, *e): self._autostep = 0 self._cframe.print_to_file() def mainloop(self, *args, **kwargs): """ Enter the Tkinter mainloop. This function must be called if this demo is created from a non-interactive program (e.g. from a secript); otherwise, the demo will close as soon as the script completes. """ if in_idle(): return self._top.mainloop(*args, **kwargs) def resize(self, size=None): if size is not None: self._size.set(size) size = self._size.get() self._font.configure(size=-(abs(size))) self._boldfont.configure(size=-(abs(size))) self._sysfont.configure(size=-(abs(size))) self._bigfont.configure(size=-(abs(size+2))) self._redraw() ######################################### ## Expand Production Selection ######################################### def _toggle_grammar(self, *e): if self._show_grammar.get(): self._prodframe.pack(fill='both', side='left', padx=2, after=self._feedbackframe) self._lastoper1['text'] = 'Show Grammar' else: self._prodframe.pack_forget() self._lastoper1['text'] = 'Hide Grammar' self._lastoper2['text'] = '' # def toggle_grammar(self, *e): # self._show_grammar = not self._show_grammar # if self._show_grammar: # self._prodframe.pack(fill='both', expand='y', side='left', # after=self._feedbackframe) # self._lastoper1['text'] = 'Show Grammar' # else: # self._prodframe.pack_forget() # self._lastoper1['text'] = 'Hide Grammar' # self._lastoper2['text'] = '' def _prodlist_select(self, event): selection = self._prodlist.curselection() if len(selection) != 1: return index = int(selection[0]) old_frontier = self._parser.frontier() production = self._parser.expand(self._productions[index]) if production: self._lastoper1['text'] = 'Expand:' self._lastoper2['text'] = production self._prodlist.selection_clear(0, 'end') self._prodlist.selection_set(index) self._animate_expand(old_frontier[0]) else: # Reset the production selections. self._prodlist.selection_clear(0, 'end') for prod in self._parser.expandable_productions(): index = self._productions.index(prod) self._prodlist.selection_set(index) ######################################### ## Animation ######################################### def _animate_expand(self, treeloc): oldwidget = self._get(self._tree, treeloc) oldtree = oldwidget.parent() top = not isinstance(oldtree.parent(), TreeSegmentWidget) tree = self._parser.tree() for i in treeloc: tree = tree[i] widget = tree_to_treesegment(self._canvas, tree, node_font=self._boldfont, leaf_color='white', tree_width=2, tree_color='white', node_color='white', leaf_font=self._font) widget.node()['color'] = '#20a050' (oldx, oldy) = oldtree.node().bbox()[:2] (newx, newy) = widget.node().bbox()[:2] widget.move(oldx-newx, oldy-newy) if top: self._cframe.add_widget(widget, 0, 5) widget.move(30-widget.node().bbox()[0], 0) self._tree = widget else: oldtree.parent().replace_child(oldtree, widget) # Move the children over so they don't overlap. # Line the children up in a strange way. if widget.subtrees(): dx = (oldx + widget.node().width()/2 - widget.subtrees()[0].bbox()[0]/2 - widget.subtrees()[0].bbox()[2]/2) for subtree in widget.subtrees(): subtree.move(dx, 0) self._makeroom(widget) if top: self._cframe.destroy_widget(oldtree) else: oldtree.destroy() colors = ['gray%d' % (10*int(10*x/self._animation_frames.get())) for x in range(self._animation_frames.get(),0,-1)] # Move the text string down, if necessary. dy = widget.bbox()[3] + 30 - self._canvas.coords(self._textline)[1] if dy > 0: for twidget in self._textwidgets: twidget.move(0, dy) self._canvas.move(self._textline, 0, dy) self._animate_expand_frame(widget, colors) def _makeroom(self, treeseg): """ Make sure that no sibling tree bbox's overlap. """ parent = treeseg.parent() if not isinstance(parent, TreeSegmentWidget): return index = parent.subtrees().index(treeseg) # Handle siblings to the right rsiblings = parent.subtrees()[index+1:] if rsiblings: dx = treeseg.bbox()[2] - rsiblings[0].bbox()[0] + 10 for sibling in rsiblings: sibling.move(dx, 0) # Handle siblings to the left if index > 0: lsibling = parent.subtrees()[index-1] dx = max(0, lsibling.bbox()[2] - treeseg.bbox()[0] + 10) treeseg.move(dx, 0) # Keep working up the tree. self._makeroom(parent) def _animate_expand_frame(self, widget, colors): if len(colors) > 0: self._animating_lock = 1 widget['color'] = colors[0] for subtree in widget.subtrees(): if isinstance(subtree, TreeSegmentWidget): subtree.node()['color'] = colors[0] else: subtree['color'] = colors[0] self._top.after(50, self._animate_expand_frame, widget, colors[1:]) else: widget['color'] = 'black' for subtree in widget.subtrees(): if isinstance(subtree, TreeSegmentWidget): subtree.node()['color'] = 'black' else: subtree['color'] = 'black' self._redraw_quick() widget.node()['color'] = 'black' self._animating_lock = 0 if self._autostep: self._step() def _animate_backtrack(self, treeloc): # Flash red first, if we're animating. if self._animation_frames.get() == 0: colors = [] else: colors = ['#a00000', '#000000', '#a00000'] colors += ['gray%d' % (10*int(10*x/(self._animation_frames.get()))) for x in range(1, self._animation_frames.get()+1)] widgets = [self._get(self._tree, treeloc).parent()] for subtree in widgets[0].subtrees(): if isinstance(subtree, TreeSegmentWidget): widgets.append(subtree.node()) else: widgets.append(subtree) self._animate_backtrack_frame(widgets, colors) def _animate_backtrack_frame(self, widgets, colors): if len(colors) > 0: self._animating_lock = 1 for widget in widgets: widget['color'] = colors[0] self._top.after(50, self._animate_backtrack_frame, widgets, colors[1:]) else: for widget in widgets[0].subtrees(): widgets[0].remove_child(widget) widget.destroy() self._redraw_quick() self._animating_lock = 0 if self._autostep: self._step() def _animate_match_backtrack(self, treeloc): widget = self._get(self._tree, treeloc) node = widget.parent().node() dy = (1.0 * (node.bbox()[3] - widget.bbox()[1] + 14) / max(1, self._animation_frames.get())) self._animate_match_backtrack_frame(self._animation_frames.get(), widget, dy) def _animate_match(self, treeloc): widget = self._get(self._tree, treeloc) dy = ((self._textwidgets[0].bbox()[1] - widget.bbox()[3] - 10.0) / max(1, self._animation_frames.get())) self._animate_match_frame(self._animation_frames.get(), widget, dy) def _animate_match_frame(self, frame, widget, dy): if frame > 0: self._animating_lock = 1 widget.move(0, dy) self._top.after(10, self._animate_match_frame, frame-1, widget, dy) else: widget['color'] = '#006040' self._redraw_quick() self._animating_lock = 0 if self._autostep: self._step() def _animate_match_backtrack_frame(self, frame, widget, dy): if frame > 0: self._animating_lock = 1 widget.move(0, dy) self._top.after(10, self._animate_match_backtrack_frame, frame-1, widget, dy) else: widget.parent().remove_child(widget) widget.destroy() self._animating_lock = 0 if self._autostep: self._step() def edit_grammar(self, *e): CFGEditor(self._top, self._parser.grammar(), self.set_grammar) def set_grammar(self, grammar): self._parser.set_grammar(grammar) self._productions = list(grammar.productions()) self._prodlist.delete(0, 'end') for production in self._productions: self._prodlist.insert('end', (' %s' % production)) def edit_sentence(self, *e): sentence = " ".join(self._sent) title = 'Edit Text' instr = 'Enter a new sentence to parse.' EntryDialog(self._top, sentence, instr, self.set_sentence, title) def set_sentence(self, sentence): self._sent = sentence.split() #[XX] use tagged? self.reset()
class VisualizerUI: def __init__(self, width, height, pixelSize, top=False): self._maxWindowWidth = 1500 self._master = Tk() self._q = Queue.Queue() self._hasFrame = False self.x = width self.y = height self._count = self.x * self.y self._values = [] self._leds = [] self._pixelSize = pixelSize self._pixelPad = int(pixelSize / 2) self._pixelSpace = 0 self.initUI() self.configure(self.x, self.y) self.checkQ() self._master.attributes("-topmost", top) def checkQ(self): if not self._q.empty(): data = self._q.get_nowait() self.updateUI(data) wait = 0 if "darwin" in platform.system().lower(): wait = 1 self._master.after(wait, self.checkQ) self._master.update_idletasks() def mainloop(self): self._master.mainloop() def updateUI(self, data): size = len(data) / 3 if size != self._count: log.warning("Bytecount mismatch") return for i in range(size): r = data[i * 3 + 0] g = data[i * 3 + 1] b = data[i * 3 + 2] self._values[i] = self.toHexColor(r, g, b) try: for i in range(self._count): self._canvas.itemconfig(self._leds[i], fill=self._values[i]) except TclError: # Looks like the UI closed! pass def toHexColor(self, r, g, b): return "#{0:02x}{1:02x}{2:02x}".format(r, g, b) def update(self, data): self._q.put(data) def hasFrame(self): return not self._q.empty() def configure(self, x, y): self._type = type self.x = x self.y = y self._count = x * y self._values = [] # init colors to all black (off) for i in range(self._count): self._values.append("#101010") c = self._canvas c.delete(ALL) self._leds = [] for i in range(self._count): index = c.create_rectangle(0, 0, self._pixelSize, self._pixelSize, fill=self._values[i]) self._leds.append(index) self.layoutPixels() def layoutPixels(self): if len(self._leds) == 0: return x_off = 0 row = 0 count = 0 w = 0 h = 0 for y in range(self.y): for x in range(self.x): if y % 2 != 0: x = self.x - x - 1 _x = self._pixelPad + \ ((x - x_off) * (self._pixelSize + self._pixelSpace)) _y = self._pixelPad + \ ((y + row) * (self._pixelSize + self._pixelSpace)) if row > 0: _y += 3 * row _w = _x + self._pixelSize + self._pixelSpace + self._pixelPad if _w > w: w = _w _h = _y + self._pixelSize + self._pixelSpace + self._pixelPad if _h > h: h = _h if self.y == 1 and _x + ((self._pixelSize + self._pixelSpace) * 2) > self._maxWindowWidth: row += 1 x_off += (x - x_off + 1) self._canvas.coords(self._leds[count], _x, _y, _x + self._pixelSize, _y + self._pixelSize) count += 1 self._master.geometry("{0}x{1}".format(w, h)) self._master.update() self._canvas.config(width=w, height=h) def __CancelCommand(self, event=None): self._master.quit() self._master.destroy() sys.exit() # def __resizeEvent(self, event): # width = self._master.winfo_width() # height = self._master.winfo_height() # if width != self._width or height != self._height: # self._width = width # self._height = height # self._master.after_idle(self.layoutPixels) # def __handleResize(self): # width = self._master.winfo_width() # height = self._master.winfo_height() # if width != self._width or height != self._height: # self._width = width # self._height = height # self.layoutPixels() # self._master.after_idle(self.__handleResize) def initUI(self): m = self._master m.protocol('WM_DELETE_WINDOW', self.__CancelCommand) m.title("BiblioPixel Visualizer") m.geometry("10x10") m.update() self._width = m.winfo_width() self._height = m.winfo_height() m.minsize(self._width, self._height) self._canvas = Canvas(self._master, background="#000000") c = self._canvas c.pack(side=TOP) self.layoutPixels()
class Application(object): def __init__(self): self.logger = get_logger('dashboard') self.server = SocketServer.UDPServer( (settings.DASHBOARD_HOST, settings.DASHBOARD_PORT), self.handle_request) self.server.timeout = settings.DASHBOARD_REQUEST_TIMEOUT self.raw_telem_time = 0 self.raw_telem_bat = 0 self.raw_telem_temp = 0 self.raw_telem_photo = 0 self.__init_main() self.__init_motor() self.__init_light() self.__init_video() self.__init_telem() def __init_main(self): self.window = Tk() self.window.wm_minsize(400, 400) def __init_motor(self): self.w_lf_motor = LabelFrame(self.window, text=u'Моторы') self.w_scale_motor1 = Scale(self.w_lf_motor, from_=-255, to=255) self.w_scale_motor2 = Scale(self.w_lf_motor, from_=-255, to=255) self.w_lf_motor.place(relx=0, rely=0, relwidth=1, relheight=0.3) self.w_scale_motor1.place(relx=0, rely=0, relwidth=1, relheight=1) self.w_scale_motor2.place(relx=0.5, rely=0, relwidth=1, relheight=1) def __init_light(self): self.w_lf_light = LabelFrame(self.window, text=u'Свет') self.w_l_light = Label(self.w_lf_light, text=u'Выключен', fg='red', font='Arial 20') self.w_lf_light.place(relx=0, rely=0.3, relwidth=1, relheight=0.15) self.w_l_light.place(relx=0, rely=0, relwidth=1, relheight=1) def __init_video(self): self.w_lf_video = LabelFrame(self.window, text=u'Видео') self.w_l_video = Label(self.w_lf_video, text=u'Выключен', fg='red', font='Arial 20') self.w_b_show = Button(self.w_lf_video, text=u'mplayer', command=self.start_mplayer) self.w_lf_video.place(relx=0, rely=0.45, relwidth=1, relheight=0.15) self.w_l_video.place(relx=0, rely=0, relwidth=0.7, relheight=1) self.w_b_show.place(relx=0.7, rely=0, relwidth=0.3, relheight=1) def __init_telem(self): # телеметрия self.w_lf_telem = LabelFrame(self.window, text=u'Телеметрия') self.w_l_telem_time = Label(self.w_lf_telem, text=u'0', font='Arial 15') self.w_l_telem_bat = Label(self.w_lf_telem, text=u'0', font='Arial 15') self.w_l_telem_temp = Label(self.w_lf_telem, text=u'0', font='Arial 15') self.w_l_telem_photo = Label(self.w_lf_telem, text=u'0', font='Arial 15') self.w_lf_telem.place(relx=0, rely=0.6, relwidth=1, relheight=0.4) Label(self.w_lf_telem, text=u'Время:', font='Arial 15').place(relx=0, rely=0, relwidth=0.5, relheight=0.25) Label(self.w_lf_telem, text=u'Батарея:', font='Arial 15').place(relx=0, rely=0.25, relwidth=0.5, relheight=0.25) Label(self.w_lf_telem, text=u'Температура:', font='Arial 15').place(relx=0, rely=0.5, relwidth=0.5, relheight=0.25) Label(self.w_lf_telem, text=u'Освещенность:', font='Arial 15').place(relx=0, rely=0.75, relwidth=0.5, relheight=0.25) self.w_l_telem_time.place(relx=0.5, rely=0, relwidth=0.5, relheight=0.25) self.w_l_telem_bat.place(relx=0.5, rely=0.25, relwidth=0.5, relheight=0.25) self.w_l_telem_temp.place(relx=0.5, rely=0.5, relwidth=0.5, relheight=0.25) self.w_l_telem_photo.place(relx=0.5, rely=0.75, relwidth=0.5, relheight=0.25) def set_motor_value(self, left_value, right_value): if left_value > 255: left_value = 255 elif left_value < -255: left_value = -255 self.w_scale_motor1.set(left_value) if right_value > 255: right_value = 255 elif right_value < -255: right_value = -255 self.w_scale_motor2.set(right_value) def set_light(self, value): """ устанавливает значение для фонарика :param value: """ if value == 1: self.w_l_light['text'] = u'Включен' self.w_l_light['fg'] = 'green' else: self.w_l_light['text'] = u'Выключен' self.w_l_light['fg'] = 'red' def set_video(self, value): """ устанавливает значение для фонарика :param value: """ if value == 1: self.w_l_video['text'] = u'Включен' self.w_l_video['fg'] = 'green' else: self.w_l_video['text'] = u'Выключен' self.w_l_video['fg'] = 'red' def set_time(self, value): """ устанавливает значение для даты :param value: """ if self.raw_telem_time == value: return self.raw_telem_time = value try: value = datetime.fromtimestamp(value).strftime('%Y.%m.%d %H:%M:%S') except Exception as err: print(err) self.logger.debug(str(err)) self.w_l_telem_time['text'] = value def set_bat(self, value): """ устанавливает значение для батареи :param value: """ if self.raw_telem_bat == value: return self.raw_telem_bat = value self.w_l_telem_bat['text'] = value def set_temp(self, value): """ устанавливает значение для температуры :param value: """ if self.raw_telem_temp == value: return self.raw_telem_temp = value self.w_l_telem_temp['text'] = '{0} ({1})'.format( round((value * 3.3 / 1024 - 0.5) / 0.01, 3), value) def set_photo(self, value): """ устанавливает значение для температуры :param value: """ if self.raw_telem_photo == value: return self.raw_telem_photo = value self.w_l_telem_photo['text'] = value def start_mplayer(self): """ включает mplayer """ process = subprocess.Popen(settings.VIDEO_SHOW_CMD, shell=True) def handle_request(self, request, client_address, server): """ обработка входных данных :param request: :param client_address: :param server: :return: """ _request, _socket = request if ',' not in _request: return values = [int(i) for i in _request.split(',')] self.set_motor_value(*values[:2]) self.set_light(values[2]) self.set_video(values[3]) self.set_time(values[4]) self.set_temp(values[5]) self.set_bat(values[6]) self.set_photo(values[7]) def wait_request(self): """""" self.server.handle_request() self.register_mainloop() def register_mainloop(self): """ регистриуем обработчик, который периодический будет обрабатывать события """ self.window.after(after_timeout, self.wait_request) def run(self): """""" try: self.register_mainloop() self.window.mainloop() except KeyboardInterrupt: pass except Exception as err: self.logger.debug(err) import traceback self.logger.debug(traceback.format_exc()) raise
def failure(reason, cur_dir): """ Displays a "submission failure" picture and emails a bug report to maintenance. """ bugmail = {"email": "*****@*****.**"} send_email(bugmail, "QR Code Submission Failure", reason, None) root = Tk() root.focus_set() # Get the size of the screen and place the splash screen in the center gif = Image.open(str(cur_dir) + '/Images/Failure.gif') width = gif.size[0] height = gif.size[1] flog = (root.winfo_screenwidth()/2-width/2) blog = (root.winfo_screenheight()/2-height/2) root.overrideredirect(1) root.geometry('%dx%d+%d+%d' % (width*1, height + 44, flog, blog)) # Pack a canvas into the top level window. # This will be used to place the image failure_canvas = Canvas(root) failure_canvas.pack(fill = "both", expand = True) # Open the image imgtk = PhotoImage(gif) # Get the top level window size # Need a call to update first, or else size is wrong root.update() cwidth = root.winfo_width() cheight = root.winfo_height() # create the image on the canvas failure_canvas.create_image(cwidth/2, cheight/2.24, image=imgtk) Button(root, text = str( reason), width = 50, height = 2, command = root.destroy).pack() root.after(5000, root.destroy) root.mainloop()
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