Python matplotlib.is_interactive() Examples

def show(*args, **kwargs):
        ## TODO: something to do when keyword block==False ?
        from matplotlib._pylab_helpers import Gcf

        managers = Gcf.get_all_fig_managers()
        if not managers:
            return

        interactive = is_interactive()

        for manager in managers:
            manager.show()

            # plt.figure adds an event which puts the figure in focus
            # in the activeQue. Disable this behaviour, as it results in
            # figures being put as the active figure after they have been
            # shown, even in non-interactive mode.
            if hasattr(manager, '_cidgcf'):
                manager.canvas.mpl_disconnect(manager._cidgcf)

            if not interactive and manager in Gcf._activeQue:
                Gcf._activeQue.remove(manager) 

def connection_info():
    """
    Return a string showing the figure and connection status for the backend.

    This is intended as a diagnostic tool, and not for general use.
    """
    result = [
        '{fig} - {socket}'.format(
            fig=(manager.canvas.figure.get_label()
                 or "Figure {}".format(manager.num)),
            socket=manager.web_sockets)
        for manager in Gcf.get_all_fig_managers()
    ]
    if not is_interactive():
        result.append('Figures pending show: {}'.format(len(Gcf._activeQue)))
    return '\n'.join(result)


# Note: Version 3.2 and 4.x icons
# http://fontawesome.io/3.2.1/icons/
# http://fontawesome.io/
# the `fa fa-xxx` part targets font-awesome 4, (IPython 3.x)
# the icon-xxx targets font awesome 3.21 (IPython 2.x) 

def destroy(self, *args):
        if _debug: print('FigureManagerGTK.%s' % fn_name())
        if hasattr(self, 'toolbar') and self.toolbar is not None:
            self.toolbar.destroy()
        if hasattr(self, 'vbox'):
            self.vbox.destroy()
        if hasattr(self, 'window'):
            self.window.destroy()
        if hasattr(self, 'canvas'):
            self.canvas.destroy()
        self.__dict__.clear()   #Is this needed? Other backends don't have it.

        if Gcf.get_num_fig_managers()==0 and \
               not matplotlib.is_interactive() and \
               gtk.main_level() >= 1:
            gtk.main_quit() 

def __init__(self, canvas, num):
        FigureManagerBase.__init__(self, canvas, num)
        title = "Figure %d" % num
        _macosx.FigureManager.__init__(self, canvas, title)
        if rcParams['toolbar']=='toolbar2':
            self.toolbar = NavigationToolbar2Mac(canvas)
        else:
            self.toolbar = None
        if self.toolbar is not None:
            self.toolbar.update()

        def notify_axes_change(fig):
            'this will be called whenever the current axes is changed'
            if self.toolbar != None: self.toolbar.update()
        self.canvas.figure.add_axobserver(notify_axes_change)

        if matplotlib.is_interactive():
            self.show() 

def __call__(self, block=None):
        from matplotlib._pylab_helpers import Gcf
        from matplotlib import is_interactive

        managers = Gcf.get_all_fig_managers()
        if not managers:
            return

        interactive = is_interactive()

        for manager in managers:
            manager.show()

            # plt.figure adds an event which puts the figure in focus
            # in the activeQue. Disable this behaviour, as it results in
            # figures being put as the active figure after they have been
            # shown, even in non-interactive mode.
            if hasattr(manager, '_cidgcf'):
                manager.canvas.mpl_disconnect(manager._cidgcf)

            if not interactive and manager in Gcf._activeQue:
                Gcf._activeQue.remove(manager) 

def connection_info():
    """
    Return a string showing the figure and connection status for
    the backend. This is intended as a diagnostic tool, and not for general
    use.

    """
    result = []
    for manager in Gcf.get_all_fig_managers():
        fig = manager.canvas.figure
        result.append('{0} - {0}'.format((fig.get_label() or
                                          "Figure {0}".format(manager.num)),
                                         manager.web_sockets))
    if not is_interactive():
        result.append('Figures pending show: {0}'.format(len(Gcf._activeQue)))
    return '\n'.join(result)


# Note: Version 3.2 and 4.x icons
# http://fontawesome.io/3.2.1/icons/
# http://fontawesome.io/
# the `fa fa-xxx` part targets font-awesome 4, (IPython 3.x)
# the icon-xxx targets font awesome 3.21 (IPython 2.x) 

def show(*args, **kwargs):
        ## TODO: something to do when keyword block==False ?
        from matplotlib._pylab_helpers import Gcf

        managers = Gcf.get_all_fig_managers()
        if not managers:
            return

        interactive = is_interactive()

        for manager in managers:
            manager.show()

            # plt.figure adds an event which puts the figure in focus
            # in the activeQue. Disable this behaviour, as it results in
            # figures being put as the active figure after they have been
            # shown, even in non-interactive mode.
            if hasattr(manager, '_cidgcf'):
                manager.canvas.mpl_disconnect(manager._cidgcf)

            if not interactive and manager in Gcf._activeQue:
                Gcf._activeQue.remove(manager) 

def destroy(self, *args):
        if _debug: print('FigureManagerGTK.%s' % fn_name())
        if hasattr(self, 'toolbar') and self.toolbar is not None:
            self.toolbar.destroy()
        if hasattr(self, 'vbox'):
            self.vbox.destroy()
        if hasattr(self, 'window'):
            self.window.destroy()
        if hasattr(self, 'canvas'):
            self.canvas.destroy()
        self.__dict__.clear()   #Is this needed? Other backends don't have it.

        if Gcf.get_num_fig_managers()==0 and \
               not matplotlib.is_interactive() and \
               gtk.main_level() >= 1:
            gtk.main_quit() 

def destroy(self, *args):
        if _debug: print('FigureManagerGTK.%s' % fn_name())
        if hasattr(self, 'toolbar') and self.toolbar is not None:
            self.toolbar.destroy()
        if hasattr(self, 'vbox'):
            self.vbox.destroy()
        if hasattr(self, 'window'):
            self.window.destroy()
        if hasattr(self, 'canvas'):
            self.canvas.destroy()
        self.__dict__.clear()   #Is this needed? Other backends don't have it.

        if Gcf.get_num_fig_managers()==0 and \
               not matplotlib.is_interactive() and \
               gtk.main_level() >= 1:
            gtk.main_quit() 

def connection_info():
    """
    Return a string showing the figure and connection status for
    the backend. This is intended as a diagnostic tool, and not for general
    use.

    """
    result = []
    for manager in Gcf.get_all_fig_managers():
        fig = manager.canvas.figure
        result.append('{0} - {0}'.format((fig.get_label() or
                                          "Figure {0}".format(manager.num)),
                                         manager.web_sockets))
    if not is_interactive():
        result.append('Figures pending show: {0}'.format(len(Gcf._activeQue)))
    return '\n'.join(result)


# Note: Version 3.2 and 4.x icons
# http://fontawesome.io/3.2.1/icons/
# http://fontawesome.io/
# the `fa fa-xxx` part targets font-awesome 4, (IPython 3.x)
# the icon-xxx targets font awesome 3.21 (IPython 2.x) 

def draw_if_interactive():
    """
    Is called after every pylab drawing command
    """
    if matplotlib.is_interactive():
        figManager =  Gcf.get_active()
        if figManager is not None:
            figManager.canvas.draw_idle() 

def new_figure_manager_given_figure(num, figure):
        canvas = FigureCanvasNbAgg(figure)
        manager = FigureManagerNbAgg(canvas, num)
        if is_interactive():
            manager.show()
            figure.canvas.draw_idle()
        canvas.mpl_connect('close_event', lambda event: Gcf.destroy(num))
        return manager 

def new_figure_manager_given_figure(num, figure):
        canvas = FigureCanvasNbAgg(figure)
        manager = FigureManagerNbAgg(canvas, num)
        if is_interactive():
            manager.show()
            figure.canvas.draw_idle()
        canvas.mpl_connect('close_event', lambda event: Gcf.destroy(num))
        return manager 

def _auto_draw_if_interactive(fig, val):
    """
    This is an internal helper function for making sure that auto-redrawing
    works as intended in the plain python repl.

    Parameters
    ----------
    fig : Figure
        A figure object which is assumed to be associated with a canvas
    """
    if val and matplotlib.is_interactive() and not fig.canvas.is_saving():
        fig.canvas.draw_idle() 

def new_figure_manager_given_figure(cls, num, figure):
        """
        Create a new figure manager instance for the given figure.
        """
        with _restore_foreground_window_at_end():
            window = Tk.Tk(className="matplotlib")
            window.withdraw()

            # Put a mpl icon on the window rather than the default tk icon.
            # Tkinter doesn't allow colour icons on linux systems, but tk>=8.5
            # has a iconphoto command which we call directly. Source:
            # http://mail.python.org/pipermail/tkinter-discuss/2006-November/000954.html
            icon_fname = os.path.join(
                rcParams['datapath'], 'images', 'matplotlib.ppm')
            icon_img = Tk.PhotoImage(file=icon_fname, master=window)
            try:
                window.iconphoto(False, icon_img)
            except Exception as exc:
                # log the failure (due e.g. to Tk version), but carry on
                _log.info('Could not load matplotlib icon: %s', exc)

            canvas = cls.FigureCanvas(figure, master=window)
            manager = cls.FigureManager(canvas, num, window)
            if matplotlib.is_interactive():
                manager.show()
                canvas.draw_idle()
            return manager 

def new_figure_manager_given_figure(cls, num, figure):
        frame = cls._frame_class(num, figure)
        figmgr = frame.get_figure_manager()
        if matplotlib.is_interactive():
            figmgr.frame.Show()
            figure.canvas.draw_idle()
        return figmgr 

def destroy(self, *args):
        self.vbox.destroy()
        self.window.destroy()
        self.canvas.destroy()
        if self.toolbar:
            self.toolbar.destroy()

        if (Gcf.get_num_fig_managers() == 0 and
                not matplotlib.is_interactive() and
                Gtk.main_level() >= 1):
            Gtk.main_quit() 

def __init__(self, canvas, num):
        FigureManagerBase.__init__(self, canvas, num)
        title = "Figure %d" % num
        _macosx.FigureManager.__init__(self, canvas, title)
        if rcParams['toolbar'] == 'toolbar2':
            self.toolbar = NavigationToolbar2Mac(canvas)
        else:
            self.toolbar = None
        if self.toolbar is not None:
            self.toolbar.update()

        if matplotlib.is_interactive():
            self.show()
            self.canvas.draw_idle() 

def new_figure_manager_given_figure(num, figure):
    """
    Create a new figure manager instance for the given figure.
    """
    frame = FigureFrameWxAgg(num, figure)
    figmgr = frame.get_figure_manager()
    if matplotlib.is_interactive():
        figmgr.frame.Show()
    return figmgr


#
# agg/wxPython image conversion functions (wxPython >= 2.8)
# 

def destroy(self, *args):
        if _debug: print 'FigureManagerGTK3.%s' % fn_name()
        self.vbox.destroy()
        self.window.destroy()
        self.canvas.destroy()
        if self.toolbar:
            self.toolbar.destroy()
        self.__dict__.clear()   #Is this needed? Other backends don't have it.

        if Gcf.get_num_fig_managers()==0 and \
               not matplotlib.is_interactive() and \
               Gtk.main_level() >= 1:
            Gtk.main_quit() 

def test_scatterplot_w_ion(self):
        """Check if scatterplot generates and resets to interactive mode"""

        plt.ion()
        figs = plot.scatterplot(self.testInst, 'longitude', 'latitude',
                                'slt', [0.0, 24.0])

        axes = figs[0].get_axes()
        assert len(figs) == 1
        assert len(axes) == 3
        assert mpl.is_interactive() 

def draw_if_interactive():
    """
    For performance reasons, we don't want to redraw the figure after
    each draw command. Instead, we mark the figure as invalid, so that
    it will be redrawn as soon as the event loop resumes via PyOS_InputHook.
    This function should be called after each draw event, even if
    matplotlib is not running interactively.
    """
    if matplotlib.is_interactive():
        figManager =  Gcf.get_active()
        if figManager is not None:
            figManager.canvas.invalidate() 

def new_figure_manager_given_figure(num, figure):
    """
    Create a new figure manager instance for the given figure.
    """
    _focus = windowing.FocusManager()
    window = Tk.Tk()
    window.withdraw()

    if Tk.TkVersion >= 8.5:
        # put a mpl icon on the window rather than the default tk icon. Tkinter
        # doesn't allow colour icons on linux systems, but tk >=8.5 has a iconphoto
        # command which we call directly. Source:
        # http://mail.python.org/pipermail/tkinter-discuss/2006-November/000954.html
        icon_fname = os.path.join(rcParams['datapath'], 'images', 'matplotlib.gif')
        icon_img = Tk.PhotoImage(file=icon_fname)
        try:
            window.tk.call('wm', 'iconphoto', window._w, icon_img)
        except (SystemExit, KeyboardInterrupt):
            # re-raise exit type Exceptions
            raise
        except:
            # log the failure, but carry on
            verbose.report('Could not load matplotlib icon: %s' % sys.exc_info()[1])

    canvas = FigureCanvasTkAgg(figure, master=window)
    figManager = FigureManagerTkAgg(canvas, num, window)
    if matplotlib.is_interactive():
        figManager.show()
    return figManager 

def draw_if_interactive():
    if matplotlib.is_interactive():
        figManager =  Gcf.get_active()
        if figManager is not None:
            figManager.show() 

def draw_if_interactive():
    from matplotlib import is_interactive
    import matplotlib._pylab_helpers as pylab_helpers

    if is_interactive():
        manager = pylab_helpers.Gcf.get_active()
        if manager is not None:
            manager.show() 

def new_figure_manager_given_figure(num, figure):
    """
    Create a new figure manager instance for the given figure.
    """
    fig = figure
    frame = FigureFrameWx(num, fig)
    figmgr = frame.get_figure_manager()
    if matplotlib.is_interactive():
        figmgr.frame.Show()

    return figmgr 

def draw_if_interactive():
    """
    Is called after every pylab drawing command
    """
    if matplotlib.is_interactive():
        figManager =  Gcf.get_active()
        if figManager != None:
            figManager.canvas.draw_idle() 

def imwrite_single_annotmatch2(cm, qreq_, aid, fpath, **kwargs):
        """
        users newer rendering based code
        """
        import plottool_ibeis as pt
        import matplotlib as mpl
        # Pop save kwargs from kwargs
        save_keys = ['dpi', 'figsize', 'saveax', 'verbose']
        save_vals = ut.dict_take_pop(kwargs, save_keys, None)
        savekw = dict(zip(save_keys, save_vals))
        was_interactive = mpl.is_interactive()
        if was_interactive:
            mpl.interactive(False)
        # Make new figure
        fnum = pt.ensure_fnum(kwargs.pop('fnum', None))
        # Create figure --- this takes about 19% - 11% of the time depending on settings
        fig = pt.plt.figure(fnum)
        fig.clf()
        #
        # Draw Matches --- this takes about 48% - 67% of the time depending on settings
        # wrapped call to show_matches2
        cm.show_single_annotmatch(qreq_, aid, colorbar_=False, fnum=fnum, **kwargs)
        # Write matplotlib axes to an image
        axes_extents = pt.extract_axes_extents(fig)
        assert len(axes_extents) == 1, 'more than one axes'
        extent = axes_extents[0]
        #with io.BytesIO() as stream:
        # This call takes 23% - 15% of the time depending on settings
        fig.savefig(fpath, bbox_inches=extent, **savekw)
        #stream.seek(0)
        #data = np.fromstring(stream.getvalue(), dtype=np.uint8)
        #image = cv2.imdecode(data, 1)
        # Ensure that this figure will not pop up
        pt.plt.close(fig)
        if was_interactive:
            mpl.interactive(was_interactive)
        #return image 

def isinteractive():
    """
    Return status of interactive mode.
    """
    return matplotlib.is_interactive() 

def draw_if_interactive():
    if matplotlib.is_interactive():
        figManager =  Gcf.get_active()
        if figManager is not None:
            figManager.show()