libvlc python绑定示例：没有名为“evaluator”的模块

Question

在尝试运行示例pythonlibvlc绑定时，我得到以下错误：

ModuleNotFoundError: No module named 'evaluator'

以下是我所做的：

^{pr2}$

将example for gtkvlc.py作为gtkvlc.py下载并运行

python3 gtkvlc.py /path/to/video.mp4

冒犯的台词是

from evaluator import Evaluator
e = Evaluator(globals(), locals())
e.popup()

我怎样才能得到这个评估器？在

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编辑：删除有问题的行仍然可以使应用程序继续工作。这些线是用来干什么的？在

Answer 1

我想你在运行一个旧代码gtkvlc.py，尝试这段代码，它已经过测试，对Python3和GTK3非常有效

import sys
import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk
gi.require_version('GdkX11', '3.0')
from gi.repository import GdkX11

import vlc

MRL = ""

class ApplicationWindow(Gtk.Window):

    def __init__(self):
        Gtk.Window.__init__(self, title="Python-Vlc Media Player")
        self.player_paused=False
        self.is_player_active = False
        self.connect("destroy",Gtk.main_quit)

    def show(self):
        self.show_all()

    def setup_objects_and_events(self):
        self.playback_button = Gtk.Button()
        self.stop_button = Gtk.Button()

        self.play_image = Gtk.Image.new_from_icon_name(
                "gtk-media-play",
                Gtk.IconSize.MENU
            )
        self.pause_image = Gtk.Image.new_from_icon_name(
                "gtk-media-pause",
                Gtk.IconSize.MENU
            )
        self.stop_image = Gtk.Image.new_from_icon_name(
                "gtk-media-stop",
                Gtk.IconSize.MENU
            )

        self.playback_button.set_image(self.play_image)
        self.stop_button.set_image(self.stop_image)

        self.playback_button.connect("clicked", self.toggle_player_playback)
        self.stop_button.connect("clicked", self.stop_player)

        self.draw_area = Gtk.DrawingArea()
        self.draw_area.set_size_request(300,300)

        self.draw_area.connect("realize",self._realized)

        self.hbox = Gtk.Box(spacing=6)
        self.hbox.pack_start(self.playback_button, True, True, 0)
        self.hbox.pack_start(self.stop_button, True, True, 0)

        self.vbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
        self.add(self.vbox)
        self.vbox.pack_start(self.draw_area, True, True, 0)
        self.vbox.pack_start(self.hbox, False, False, 0)

    def stop_player(self, widget, data=None):
        self.player.stop()
        self.is_player_active = False
        self.playback_button.set_image(self.play_image)

    def toggle_player_playback(self, widget, data=None):

        """
        Handler for Player's Playback Button (Play/Pause).
        """

        if self.is_player_active == False and self.player_paused == False:
            self.player.play()
            self.playback_button.set_image(self.pause_image)
            self.is_player_active = True

        elif self.is_player_active == True and self.player_paused == True:
            self.player.play()
            self.playback_button.set_image(self.pause_image)
            self.player_paused = False

        elif self.is_player_active == True and self.player_paused == False:
            self.player.pause()
            self.playback_button.set_image(self.play_image)
            self.player_paused = True
        else:
            pass

    def _realized(self, widget, data=None):
        self.vlcInstance = vlc.Instance(" no-xlib")
        self.player = self.vlcInstance.media_player_new()
        win_id = widget.get_window().get_xid()
        self.player.set_xwindow(win_id)
        self.player.set_mrl(MRL)
        self.player.play()
        self.playback_button.set_image(self.pause_image)
        self.is_player_active = True

if __name__ == '__main__':
    if not sys.argv[1:]:
       print "Exiting \nMust provide the MRL."
       sys.exit(1)
    if len(sys.argv[1:]) == 1:
        MRL = sys.argv[1]
        window = ApplicationWindow()
        window.setup_objects_and_events()
        window.show()
        Gtk.main()
        window.player.stop()
        window.vlcInstance.release()