Beispiel #1
0
class LintGui:
    """Build and control a window to interact with pylint"""
    
    def __init__(self, root=None):
        self.root = root or Tk()
        self.root.title('Pylint')
        top_frame = Frame(self.root)
        res_frame = Frame(self.root)
        btn_frame = Frame(self.root)
        top_frame.pack(side=TOP, fill=X)
        res_frame.pack(side=TOP, fill=BOTH, expand=True)
        btn_frame.pack(side=TOP, fill=X)
        
        Label(top_frame, text='Module or package').pack(side=LEFT)
        self.txtModule = Entry(top_frame, background='white')
        self.txtModule.bind('<Return>', self.run_lint)
        self.txtModule.pack(side=LEFT, expand=True, fill=X)
        Button(top_frame, text='Run', command=self.run_lint).pack(side=LEFT)

        scrl = Scrollbar(res_frame)
        self.results = Listbox(res_frame,
                               background='white',
                               font='fixedsys',
                               selectmode='browse',
                               yscrollcommand=scrl.set)
        scrl.configure(command=self.results.yview)
        self.results.pack(side=LEFT, expand=True, fill=BOTH)
        scrl.pack(side=RIGHT, fill=Y)
        
        Button(btn_frame, text='Quit', command=self.quit).pack(side=BOTTOM)
        #self.root.bind('<ctrl-q>', self.quit)
        self.txtModule.focus_set()
        
    def mainloop(self):
        """lauch the mainloop of the application"""
        self.root.mainloop()

    def quit(self, _=None):
        """quit the application"""
        self.root.quit()

    def run_lint(self, _=None):
        """lauches pylint"""
        colors = {'W:':'red1', 'E:': 'red4',
                  'W:': 'red3', '**': 'navy'}
        
        self.root.configure(cursor='watch')
        self.results.focus_set()
        self.results.delete(0, END)
        self.results.update()
        module = self.txtModule.get()
        pout = os.popen('%s %s' % (PYLINT, module), 'r')
        for line in  pout.xreadlines():
            line = line.rstrip()
            self.results.insert(END, line)
            fg_color = colors.get(line[:2], 'black')
            self.results.itemconfigure(END, fg=fg_color)
            self.results.update()
        self.root.configure(cursor='')
class LintGui:
    """Build and control a window to interact with pylint"""
    
    def __init__(self, root=None):
        self.root = root or Tk()
        self.root.title('Pylint')
        top_frame = Frame(self.root)
        res_frame = Frame(self.root)
        btn_frame = Frame(self.root)
        top_frame.pack(side=TOP, fill=X)
        res_frame.pack(side=TOP, fill=BOTH, expand=True)
        btn_frame.pack(side=TOP, fill=X)
        
        Label(top_frame, text='Module or package').pack(side=LEFT)
        self.txtModule = Entry(top_frame, background='white')
        self.txtModule.bind('<Return>', self.run_lint)
        self.txtModule.pack(side=LEFT, expand=True, fill=X)
        Button(top_frame, text='Run', command=self.run_lint).pack(side=LEFT)

        scrl = Scrollbar(res_frame)
        self.results = Listbox(res_frame,
                               background='white',
                               font='fixedsys',
                               selectmode='browse',
                               yscrollcommand=scrl.set)
        scrl.configure(command=self.results.yview)
        self.results.pack(side=LEFT, expand=True, fill=BOTH)
        scrl.pack(side=RIGHT, fill=Y)
        
        Button(btn_frame, text='Quit', command=self.quit).pack(side=BOTTOM)
        #self.root.bind('<ctrl-q>', self.quit)
        self.txtModule.focus_set()
        
    def mainloop(self):
        """launch the mainloop of the application"""
        self.root.mainloop()

    def quit(self, _=None):
        """quit the application"""
        self.root.quit()

    def run_lint(self, _=None):
        """launches pylint"""
        colors = {'W:':'red1', 'E:': 'red4',
                  'W:': 'red3', '**': 'navy'}
        
        self.root.configure(cursor='watch')
        self.results.focus_set()
        self.results.delete(0, END)
        self.results.update()
        module = self.txtModule.get()
        pout = os.popen('%s %s' % (PYLINT, module), 'r')
        for line in  pout.xreadlines():
            line = line.rstrip()
            self.results.insert(END, line)
            fg_color = colors.get(line[:2], 'black')
            self.results.itemconfigure(END, fg=fg_color)
            self.results.update()
        self.root.configure(cursor='')
Beispiel #3
0
class LintGui(object):
    """Build and control a window to interact with pylint"""
    def __init__(self, root=None):
        """init"""
        self.root = root or Tk()
        self.root.title('Pylint')
        #reporter
        self.reporter = None
        #message queue for output from reporter
        self.msg_queue = Queue.Queue()
        self.msgs = []
        self.visible_msgs = []
        self.filenames = []
        self.rating = StringVar()
        self.tabs = {}
        self.report_stream = BasicStream(self)
        self.differ = differ.Differ()
        #gui objects
        self.lbMessages = None
        self.showhistory = None
        self.results = None
        self.btnRun = None
        self.information_box = None
        self.convention_box = None
        self.refactor_box = None
        self.warning_box = None
        self.error_box = None
        self.fatal_box = None
        self.txtModule = None
        self.status = None
        self.msg_type_dict = None
        self.init_gui()

    def init_gui(self):
        """init helper"""
        #setting up frames
        top_frame = Frame(self.root)
        mid_frame = Frame(self.root)
        radio_frame = Frame(self.root)
        res_frame = Frame(self.root)
        msg_frame = Frame(self.root)
        check_frame = Frame(self.root)
        history_frame = Frame(self.root)
        btn_frame = Frame(self.root)
        rating_frame = Frame(self.root)
        top_frame.pack(side=TOP, fill=X)
        mid_frame.pack(side=TOP, fill=X)
        history_frame.pack(side=TOP, fill=BOTH, expand=True)
        radio_frame.pack(side=TOP, fill=BOTH, expand=True)
        rating_frame.pack(side=TOP, fill=BOTH, expand=True)
        res_frame.pack(side=TOP, fill=BOTH, expand=True)
        check_frame.pack(side=TOP, fill=BOTH, expand=True)
        msg_frame.pack(side=TOP, fill=BOTH, expand=True)
        btn_frame.pack(side=TOP, fill=X)

        # Binding F5 application-wide to run lint
        self.root.bind('<F5>', self.run_lint)

        #Message ListBox
        rightscrollbar = Scrollbar(msg_frame)
        rightscrollbar.pack(side=RIGHT, fill=Y)
        bottomscrollbar = Scrollbar(msg_frame, orient=HORIZONTAL)
        bottomscrollbar.pack(side=BOTTOM, fill=X)
        self.lbMessages = Listbox(msg_frame,
                                  yscrollcommand=rightscrollbar.set,
                                  xscrollcommand=bottomscrollbar.set,
                                  bg="white")
        self.lbMessages.bind("<Double-Button-1>", self.show_sourcefile)
        self.lbMessages.pack(expand=True, fill=BOTH)
        rightscrollbar.config(command=self.lbMessages.yview)
        bottomscrollbar.config(command=self.lbMessages.xview)

        #Message context menu
        self.mnMessages = Menu(self.lbMessages, tearoff=0)
        self.mnMessages.add_command(label="View in sourcefile",
                                    command=self.show_sourcefile)
        self.mnMessages.add_command(label="Add to ignore patchfile",
                                    command=self.add_to_ignore_patchfile)
        self.lbMessages.bind("<Button-3>", self.show_messages_context)

        #History ListBoxes
        rightscrollbar2 = Scrollbar(history_frame)
        rightscrollbar2.pack(side=RIGHT, fill=Y)
        bottomscrollbar2 = Scrollbar(history_frame, orient=HORIZONTAL)
        bottomscrollbar2.pack(side=BOTTOM, fill=X)
        self.showhistory = Listbox(history_frame,
                                   yscrollcommand=rightscrollbar2.set,
                                   xscrollcommand=bottomscrollbar2.set,
                                   bg="white")
        self.showhistory.pack(expand=True, fill=BOTH)
        rightscrollbar2.config(command=self.showhistory.yview)
        bottomscrollbar2.config(command=self.showhistory.xview)
        self.showhistory.bind('<Double-Button-1>', self.select_recent_file)
        self.set_history_window()

        #status bar
        self.status = Label(self.root, text="", bd=1, relief=SUNKEN, anchor=W)
        self.status.pack(side=BOTTOM, fill=X)

        #labels
        self.lblRatingLabel = Label(rating_frame, text='Rating:')
        self.lblRatingLabel.pack(side=LEFT)
        self.lblRating = Label(rating_frame, textvariable=self.rating)
        self.lblRating.pack(side=LEFT)
        Label(mid_frame, text='Recently Used:').pack(side=LEFT)
        Label(top_frame, text='Module or package').pack(side=LEFT)

        #file textbox
        self.txtModule = Entry(top_frame, background='white')
        self.txtModule.bind('<Return>', self.run_lint)
        self.txtModule.pack(side=LEFT, expand=True, fill=X)

        #results box
        rightscrollbar = Scrollbar(res_frame)
        rightscrollbar.pack(side=RIGHT, fill=Y)
        bottomscrollbar = Scrollbar(res_frame, orient=HORIZONTAL)
        bottomscrollbar.pack(side=BOTTOM, fill=X)
        self.results = Listbox(res_frame,
                               yscrollcommand=rightscrollbar.set,
                               xscrollcommand=bottomscrollbar.set,
                               bg="white",
                               font="Courier")
        self.results.pack(expand=True, fill=BOTH, side=BOTTOM)
        rightscrollbar.config(command=self.results.yview)
        bottomscrollbar.config(command=self.results.xview)

        #buttons
        Button(top_frame, text='Open', command=self.file_open).pack(side=LEFT)
        Button(top_frame,
               text='Open Package',
               command=(lambda: self.file_open(package=True))).pack(side=LEFT)

        self.btnRun = Button(top_frame, text='Run', command=self.run_lint)
        self.btnRun.pack(side=LEFT)
        Button(btn_frame, text='Quit', command=self.quit).pack(side=BOTTOM)

        #radio buttons
        self.information_box = IntVar()
        self.convention_box = IntVar()
        self.refactor_box = IntVar()
        self.warning_box = IntVar()
        self.error_box = IntVar()
        self.fatal_box = IntVar()
        i = Checkbutton(check_frame,
                        text="Information",
                        fg=COLORS['(I)'],
                        variable=self.information_box,
                        command=self.refresh_msg_window)
        c = Checkbutton(check_frame,
                        text="Convention",
                        fg=COLORS['(C)'],
                        variable=self.convention_box,
                        command=self.refresh_msg_window)
        r = Checkbutton(check_frame,
                        text="Refactor",
                        fg=COLORS['(R)'],
                        variable=self.refactor_box,
                        command=self.refresh_msg_window)
        w = Checkbutton(check_frame,
                        text="Warning",
                        fg=COLORS['(W)'],
                        variable=self.warning_box,
                        command=self.refresh_msg_window)
        e = Checkbutton(check_frame,
                        text="Error",
                        fg=COLORS['(E)'],
                        variable=self.error_box,
                        command=self.refresh_msg_window)
        f = Checkbutton(check_frame,
                        text="Fatal",
                        fg=COLORS['(F)'],
                        variable=self.fatal_box,
                        command=self.refresh_msg_window)
        i.select()
        c.select()
        r.select()
        w.select()
        e.select()
        f.select()
        i.pack(side=LEFT)
        c.pack(side=LEFT)
        r.pack(side=LEFT)
        w.pack(side=LEFT)
        e.pack(side=LEFT)
        f.pack(side=LEFT)

        #check boxes
        self.box = StringVar()
        # XXX should be generated
        report = Radiobutton(radio_frame,
                             text="Report",
                             variable=self.box,
                             value="Report",
                             command=self.refresh_results_window)
        rawMet = Radiobutton(radio_frame,
                             text="Raw metrics",
                             variable=self.box,
                             value="Raw metrics",
                             command=self.refresh_results_window)
        dup = Radiobutton(radio_frame,
                          text="Duplication",
                          variable=self.box,
                          value="Duplication",
                          command=self.refresh_results_window)
        ext = Radiobutton(radio_frame,
                          text="External dependencies",
                          variable=self.box,
                          value="External dependencies",
                          command=self.refresh_results_window)
        stat = Radiobutton(radio_frame,
                           text="Statistics by type",
                           variable=self.box,
                           value="Statistics by type",
                           command=self.refresh_results_window)
        msgCat = Radiobutton(radio_frame,
                             text="Messages by category",
                             variable=self.box,
                             value="Messages by category",
                             command=self.refresh_results_window)
        msg = Radiobutton(radio_frame,
                          text="Messages",
                          variable=self.box,
                          value="Messages",
                          command=self.refresh_results_window)
        sourceFile = Radiobutton(radio_frame,
                                 text="Source File",
                                 variable=self.box,
                                 value="Source File",
                                 command=self.refresh_results_window)
        report.select()
        report.grid(column=0, row=0, sticky=W)
        rawMet.grid(column=1, row=0, sticky=W)
        dup.grid(column=2, row=0, sticky=W)
        msg.grid(column=3, row=0, sticky=W)
        stat.grid(column=0, row=1, sticky=W)
        msgCat.grid(column=1, row=1, sticky=W)
        ext.grid(column=2, row=1, sticky=W)
        sourceFile.grid(column=3, row=1, sticky=W)

        #dictionary for check boxes and associated error term
        self.msg_type_dict = {
            'I': lambda: self.information_box.get() == 1,
            'C': lambda: self.convention_box.get() == 1,
            'R': lambda: self.refactor_box.get() == 1,
            'E': lambda: self.error_box.get() == 1,
            'W': lambda: self.warning_box.get() == 1,
            'F': lambda: self.fatal_box.get() == 1
        }
        self.txtModule.focus_set()

    def select_recent_file(self, event):
        """adds the selected file in the history listbox to the Module box"""
        if not self.showhistory.size():
            return

        selected = self.showhistory.curselection()
        item = self.showhistory.get(selected)
        #update module
        self.txtModule.delete(0, END)
        self.txtModule.insert(0, item)

    def refresh_msg_window(self):
        """refresh the message window with current output"""
        #clear the window
        self.lbMessages.delete(0, END)
        self.visible_msgs = []
        for msg in self.msgs:
            if (self.msg_type_dict.get(msg.C)()):
                self.visible_msgs.append(msg)
                msg_str = convert_to_string(msg)
                self.lbMessages.insert(END, msg_str)
                fg_color = COLORS.get(msg_str[:3], 'black')
                self.lbMessages.itemconfigure(END, fg=fg_color)

    def refresh_results_window(self):
        """refresh the results window with current output"""
        #clear the window
        self.results.delete(0, END)
        try:
            for res in self.tabs[self.box.get()]:
                self.results.insert(END, res)
        except:
            pass

    def process_incoming(self):
        """process the incoming messages from running pylint"""
        while self.msg_queue.qsize():
            try:
                msg = self.msg_queue.get(0)
                if msg == "DONE":
                    self.report_stream.output_contents()
                    return False

                #adding message to list of msgs
                self.msgs.append(msg)

                #displaying msg if message type is selected in check box
                if (self.msg_type_dict.get(msg.C)()):
                    self.visible_msgs.append(msg)
                    msg_str = convert_to_string(msg)
                    self.lbMessages.insert(END, msg_str)
                    fg_color = COLORS.get(msg_str[:3], 'black')
                    self.lbMessages.itemconfigure(END, fg=fg_color)

            except Queue.Empty:
                pass
        return True

    def periodic_call(self):
        """determine when to unlock the run button"""
        if self.process_incoming():
            self.root.after(100, self.periodic_call)
        else:
            #enabling button so it can be run again
            self.btnRun.config(state=NORMAL)

    def mainloop(self):
        """launch the mainloop of the application"""
        self.root.mainloop()

    def quit(self, _=None):
        """quit the application"""
        self.root.quit()

    def halt(self):
        """program halt placeholder"""
        return

    def file_open(self, package=False, _=None):
        """launch a file browser"""
        if not package:
            filename = askopenfilename(parent=self.root,
                                       filetypes=[('pythonfiles', '*.py'),
                                                  ('allfiles', '*')],
                                       title='Select Module')
        else:
            filename = askdirectory(title="Select A Folder", mustexist=1)

        if filename == ():
            return

        self.txtModule.delete(0, END)
        self.txtModule.insert(0, filename)

    def update_filenames(self):
        """update the list of recent filenames"""
        filename = self.txtModule.get()
        if not filename:
            filename = os.getcwd()
        if filename + '\n' in self.filenames:
            index = self.filenames.index(filename + '\n')
            self.filenames.pop(index)

        #ensure only 10 most recent are stored
        if len(self.filenames) == 10:
            self.filenames.pop()
        self.filenames.insert(0, filename + '\n')

    def set_history_window(self):
        """update the history window with info from the history file"""
        #clear the window
        self.showhistory.delete(0, END)
        # keep the last 10 most recent files
        try:
            view_history = open(HOME + HISTORY, 'r')
            for hist in view_history.readlines():
                if not hist in self.filenames:
                    self.filenames.append(hist)
                self.showhistory.insert(END, hist.split('\n')[0])
            view_history.close()
        except IOError:
            # do nothing since history file will be created later
            return

    def run_lint(self, _=None):
        """launches pylint"""
        self.update_filenames()
        self.root.configure(cursor='watch')
        self.reporter = GUIReporter(self, output=self.report_stream)
        module = self.txtModule.get()
        if not module:
            module = os.getcwd()

        #cleaning up msgs and windows
        self.msgs = []
        self.visible_msgs = []
        self.lbMessages.delete(0, END)
        self.tabs = {}
        self.results.delete(0, END)
        self.btnRun.config(state=DISABLED)

        #setting up a worker thread to run pylint
        worker = Thread(target=lint_thread,
                        args=(
                            module,
                            self.reporter,
                            self,
                        ))
        self.periodic_call()
        worker.start()

        # Overwrite the .pylint-gui-history file with all the new recently added files
        # in order from filenames but only save last 10 files
        write_history = open(HOME + HISTORY, 'w')
        write_history.writelines(self.filenames)
        write_history.close()
        self.set_history_window()

        self.root.configure(cursor='')

    def show_sourcefile(self, event=None):
        selected = self.lbMessages.curselection()
        if not selected:
            return

        msg = self.visible_msgs[int(selected[0])]
        scroll = msg.line - 3
        if scroll < 0:
            scroll = 0

        self.tabs["Source File"] = open(msg.abspath, "r").readlines()
        self.box.set("Source File")
        self.refresh_results_window()
        self.results.yview(scroll)
        self.results.select_set(msg.line - 1)

    def show_messages_context(self, event):
        """Show the message listbox's context menu"""
        # Select the item that was clicked
        index = self.lbMessages.nearest(event.y)
        self.lbMessages.selection_clear(0, END)
        self.lbMessages.selection_set(index)
        self.lbMessages.activate(index)

        self.mnMessages.tk_popup(event.x_root, event.y_root)

    def add_to_ignore_patchfile(self, event=None):
        """
        Add the selected message to the ignore patchfile.
        This means that this message will now be ignored by pylint-patcher.
        """
        selected = self.lbMessages.curselection()
        if not selected:
            return

        selected_index = int(selected[0])
        msg = self.visible_msgs[selected_index]
        self.differ.add_disable_pragma(msg.abspath, msg.line, msg.symbol)
        self.differ.diff()

        del self.msgs[self.msgs.index(msg)]
        del self.visible_msgs[selected_index]
        self.lbMessages.delete(selected_index)
Beispiel #4
0
Datei: gui.py Projekt: imcj/pybbs
class LintGui:
    """Build and control a window to interact with pylint"""

    def __init__(self, root=None):
        """init"""
        self.root = root or Tk()
        self.root.title('Pylint')
        #reporter
        self.reporter = None
        #message queue for output from reporter
        self.msg_queue = Queue.Queue()
        self.msgs = []
        self.filenames = []
        self.rating = StringVar()
        self.tabs = {}
        self.report_stream = BasicStream(self)
        #gui objects
        self.lbMessages = None
        self.showhistory = None
        self.results = None
        self.btnRun = None
        self.information_box = None
        self.convention_box = None
        self.refactor_box = None
        self.warning_box = None
        self.error_box = None
        self.fatal_box = None
        self.txtModule = None
        self.status = None
        self.msg_type_dict = None
        self.init_gui()

    def init_gui(self):
        """init helper"""
        #setting up frames
        top_frame = Frame(self.root)
        mid_frame = Frame(self.root)
        radio_frame = Frame(self.root)
        res_frame = Frame(self.root)
        msg_frame = Frame(self.root)
        check_frame = Frame(self.root)
        history_frame = Frame(self.root)
        btn_frame = Frame(self.root)
        rating_frame = Frame(self.root)
        top_frame.pack(side=TOP, fill=X)
        mid_frame.pack(side=TOP, fill=X)
        history_frame.pack(side=TOP, fill=BOTH, expand=True)
        radio_frame.pack(side=TOP, fill=BOTH, expand=True)
        rating_frame.pack(side=TOP, fill=BOTH, expand=True)
        res_frame.pack(side=TOP, fill=BOTH, expand=True)
        check_frame.pack(side=TOP, fill=BOTH, expand=True)
        msg_frame.pack(side=TOP, fill=BOTH, expand=True)
        btn_frame.pack(side=TOP, fill=X)

        #Message ListBox
        rightscrollbar = Scrollbar(msg_frame)
        rightscrollbar.pack(side=RIGHT, fill=Y)
        bottomscrollbar = Scrollbar(msg_frame, orient=HORIZONTAL)
        bottomscrollbar.pack(side=BOTTOM, fill=X)
        self.lbMessages = Listbox(msg_frame,
                  yscrollcommand=rightscrollbar.set,
                  xscrollcommand=bottomscrollbar.set,
                  bg="white")
        self.lbMessages.pack(expand=True, fill=BOTH)
        rightscrollbar.config(command=self.lbMessages.yview)
        bottomscrollbar.config(command=self.lbMessages.xview)

        #History ListBoxes
        rightscrollbar2 = Scrollbar(history_frame)
        rightscrollbar2.pack(side=RIGHT, fill=Y)
        bottomscrollbar2 = Scrollbar(history_frame, orient=HORIZONTAL)
        bottomscrollbar2.pack(side=BOTTOM, fill=X)
        self.showhistory = Listbox(history_frame,
                    yscrollcommand=rightscrollbar2.set,
                    xscrollcommand=bottomscrollbar2.set,
                    bg="white")
        self.showhistory.pack(expand=True, fill=BOTH)
        rightscrollbar2.config(command=self.showhistory.yview)
        bottomscrollbar2.config(command=self.showhistory.xview)
        self.showhistory.bind('<Double-Button-1>', self.select_recent_file)
        self.set_history_window()

        #status bar
        self.status = Label(self.root, text="", bd=1, relief=SUNKEN, anchor=W)
        self.status.pack(side=BOTTOM, fill=X)

        #labels
        self.lblRatingLabel = Label(rating_frame, text='Rating:')
        self.lblRatingLabel.pack(side=LEFT)
        self.lblRating = Label(rating_frame, textvariable=self.rating)
        self.lblRating.pack(side=LEFT)
        Label(mid_frame, text='Recently Used:').pack(side=LEFT)
        Label(top_frame, text='Module or package').pack(side=LEFT)

        #file textbox
        self.txtModule = Entry(top_frame, background='white')
        self.txtModule.bind('<Return>', self.run_lint)
        self.txtModule.pack(side=LEFT, expand=True, fill=X)

        #results box
        rightscrollbar = Scrollbar(res_frame)
        rightscrollbar.pack(side=RIGHT, fill=Y)
        bottomscrollbar = Scrollbar(res_frame, orient=HORIZONTAL)
        bottomscrollbar.pack(side=BOTTOM, fill=X)
        self.results = Listbox(res_frame,
                  yscrollcommand=rightscrollbar.set,
                  xscrollcommand=bottomscrollbar.set,
                  bg="white", font="Courier")
        self.results.pack(expand=True, fill=BOTH, side=BOTTOM)
        rightscrollbar.config(command=self.results.yview)
        bottomscrollbar.config(command=self.results.xview)

        #buttons
        Button(top_frame, text='Open', command=self.file_open).pack(side=LEFT)
        Button(top_frame, text='Open Package', command=(lambda : self.file_open(package=True))).pack(side=LEFT)

        self.btnRun = Button(top_frame, text='Run', command=self.run_lint)
        self.btnRun.pack(side=LEFT)
        Button(btn_frame, text='Quit', command=self.quit).pack(side=BOTTOM)

        #radio buttons
        self.information_box = IntVar()
        self.convention_box = IntVar()
        self.refactor_box = IntVar()
        self.warning_box = IntVar()
        self.error_box = IntVar()
        self.fatal_box = IntVar()
        i = Checkbutton(check_frame, text="Information", fg=COLORS['(I)'], variable=self.information_box, command=self.refresh_msg_window)
        c = Checkbutton(check_frame, text="Convention", fg=COLORS['(C)'], variable=self.convention_box, command=self.refresh_msg_window)
        r = Checkbutton(check_frame, text="Refactor", fg=COLORS['(R)'], variable=self.refactor_box, command=self.refresh_msg_window)
        w = Checkbutton(check_frame, text="Warning", fg=COLORS['(W)'], variable=self.warning_box, command=self.refresh_msg_window)
        e = Checkbutton(check_frame, text="Error", fg=COLORS['(E)'], variable=self.error_box, command=self.refresh_msg_window)
        f = Checkbutton(check_frame, text="Fatal", fg=COLORS['(F)'], variable=self.fatal_box, command=self.refresh_msg_window)
        i.select()
        c.select()
        r.select()
        w.select()
        e.select()
        f.select()
        i.pack(side=LEFT)
        c.pack(side=LEFT)
        r.pack(side=LEFT)
        w.pack(side=LEFT)
        e.pack(side=LEFT)
        f.pack(side=LEFT)

        #check boxes
        self.box = StringVar()
        # XXX should be generated
        report = Radiobutton(radio_frame, text="Report", variable=self.box, value="Report", command=self.refresh_results_window)
        rawMet = Radiobutton(radio_frame, text="Raw metrics", variable=self.box, value="Raw metrics", command=self.refresh_results_window)
        dup = Radiobutton(radio_frame, text="Duplication", variable=self.box, value="Duplication", command=self.refresh_results_window)
        ext = Radiobutton(radio_frame, text="External dependencies", variable=self.box, value="External dependencies", command=self.refresh_results_window)
        stat = Radiobutton(radio_frame, text="Statistics by type", variable=self.box, value="Statistics by type", command=self.refresh_results_window)
        msgCat = Radiobutton(radio_frame, text="Messages by category", variable=self.box, value="Messages by category", command=self.refresh_results_window)
        msg = Radiobutton(radio_frame, text="Messages", variable=self.box, value="Messages", command=self.refresh_results_window)
        report.select()
        report.grid(column=0, row=0, sticky=W)
        rawMet.grid(column=1, row=0, sticky=W)
        dup.grid(column=2, row=0, sticky=W)
        msg.grid(column=3, row=0, sticky=E)
        stat.grid(column=0, row=1, sticky=W)
        msgCat.grid(column=1, row=1, sticky=W)
        ext.grid(column=2, row=1, columnspan=2, sticky=W)

        #dictionary for check boxes and associated error term
        self.msg_type_dict = {
            'I' : lambda : self.information_box.get() == 1,
            'C' : lambda : self.convention_box.get() == 1,
            'R' : lambda : self.refactor_box.get() == 1,
            'E' : lambda : self.error_box.get() == 1,
            'W' : lambda : self.warning_box.get() == 1,
            'F' : lambda : self.fatal_box.get() == 1
        }
        self.txtModule.focus_set()


    def select_recent_file(self, event):
        """adds the selected file in the history listbox to the Module box"""
        if not self.showhistory.size():
            return

        selected = self.showhistory.curselection()
        item = self.showhistory.get(selected)
        #update module
        self.txtModule.delete(0, END)
        self.txtModule.insert(0, item)

    def refresh_msg_window(self):
        """refresh the message window with current output"""
        #clear the window
        self.lbMessages.delete(0, END)
        for msg in self.msgs:
            if (self.msg_type_dict.get(msg[0])()):
                msg_str = self.convert_to_string(msg)
                self.lbMessages.insert(END, msg_str)
                fg_color = COLORS.get(msg_str[:3], 'black')
                self.lbMessages.itemconfigure(END, fg=fg_color)

    def refresh_results_window(self):
        """refresh the results window with current output"""
        #clear the window
        self.results.delete(0, END)
        try:
            for res in self.tabs[self.box.get()]:
                self.results.insert(END, res)
        except:
            pass

    def convert_to_string(self, msg):
        """make a string representation of a message"""
        if (msg[2] != ""):
            return "(" + msg[0] + ") " + msg[1] + "." + msg[2] + " [" + msg[3] + "]: " + msg[4]
        else:
            return "(" + msg[0] + ") " + msg[1] + " [" + msg[3] + "]: " + msg[4]

    def process_incoming(self):
        """process the incoming messages from running pylint"""
        while self.msg_queue.qsize():
            try:
                msg = self.msg_queue.get(0)
                if msg == "DONE":
                    self.report_stream.output_contents()
                    return False

                #adding message to list of msgs
                self.msgs.append(msg)

                #displaying msg if message type is selected in check box
                if (self.msg_type_dict.get(msg[0])()):
                    msg_str = self.convert_to_string(msg)
                    self.lbMessages.insert(END, msg_str)
                    fg_color = COLORS.get(msg_str[:3], 'black')
                    self.lbMessages.itemconfigure(END, fg=fg_color)

            except Queue.Empty:
                pass
        return True

    def periodic_call(self):
        """determine when to unlock the run button"""
        if self.process_incoming():
            self.root.after(100, self.periodic_call)
        else:
            #enabling button so it can be run again
            self.btnRun.config(state=NORMAL)

    def mainloop(self):
        """launch the mainloop of the application"""
        self.root.mainloop()

    def quit(self, _=None):
        """quit the application"""
        self.root.quit()

    def halt(self):
        """program halt placeholder"""
        return

    def file_open(self, package=False, _=None):
        """launch a file browser"""
        if not package:
            filename = askopenfilename(parent=self.root, filetypes=[('pythonfiles', '*.py'),
                                                    ('allfiles', '*')], title='Select Module')
        else:
            filename = askdirectory(title="Select A Folder", mustexist=1)

        if filename == ():
            return

        self.txtModule.delete(0, END)
        self.txtModule.insert(0, filename)

    def update_filenames(self):
        """update the list of recent filenames"""
        filename = self.txtModule.get()
        if not filename:
            filename = os.getcwd()
        if filename+'\n' in self.filenames:
            index = self.filenames.index(filename+'\n')
            self.filenames.pop(index)

        #ensure only 10 most recent are stored
        if len(self.filenames) == 10:
            self.filenames.pop()
        self.filenames.insert(0, filename+'\n')

    def set_history_window(self):
        """update the history window with info from the history file"""
        #clear the window
        self.showhistory.delete(0, END)
        # keep the last 10 most recent files
        try:
            view_history = open(HOME+HISTORY, 'r')
            for hist in view_history.readlines():
                if not hist in self.filenames:
                    self.filenames.append(hist)
                self.showhistory.insert(END, hist.split('\n')[0])
            view_history.close()
        except IOError:
            # do nothing since history file will be created later
            return

    def run_lint(self, _=None):
        """launches pylint"""
        self.update_filenames()
        self.root.configure(cursor='watch')
        self.reporter = GUIReporter(self, output=self.report_stream)
        module = self.txtModule.get()
        if not module:
            module = os.getcwd()

        #cleaning up msgs and windows
        self.msgs = []
        self.lbMessages.delete(0, END)
        self.tabs = {}
        self.results.delete(0, END)
        self.btnRun.config(state=DISABLED)

        #setting up a worker thread to run pylint
        worker = Thread(target=lint_thread, args=(module, self.reporter, self,))
        self.periodic_call()
        worker.start()

        # Overwrite the .pylint-gui-history file with all the new recently added files
        # in order from filenames but only save last 10 files
        write_history = open(HOME+HISTORY, 'w')
        write_history.writelines(self.filenames)
        write_history.close()
        self.set_history_window()

        self.root.configure(cursor='')