Upgrade Kivy and fix font error

negromate/karaoke/karaoke.py

@@ -1,19 +1,16 @@
 #!/usr/bin/env python
-import json
 import os
 import subprocess
 
 import kivy
-kivy.require('1.11.1')
+kivy.require('2.0.0')
 
 from kivy.app import App
-from kivy.config import Config
+from kivy.core.text import LabelBase
 from kivy.core.window import Window
-from kivy.properties import StringProperty, ObjectProperty, ListProperty, BooleanProperty
+from kivy.properties import ObjectProperty, ListProperty, BooleanProperty
 from kivy.resources import resource_add_path
 from kivy.uix.boxlayout import BoxLayout
-from kivy.uix.button import Button
-from kivy.uix.widget import Widget
 
 from negromate.songs.loader import load_songs
 
@@ -112,7 +109,7 @@ class KaraokeGUI(BoxLayout):
 
     def play(self):
         subprocess.call([
-            'vlc',
+            'cvlc',
             '--fullscreen',
             '--no-sub-autodetect-file',
             '--sub-file',
@@ -140,6 +137,7 @@ class KaraokeApp(App):
 def main(path):
     # Window.fullscreen = True
     resource_add_path(os.path.dirname(__file__))
-    Config.set('graphics', 'font_name', 'resources/fonts/CyrBit.ttf')
-    Config.write()
+    LabelBase.register(
+        name='CyrBit',
+        fn_regular='resources/fonts/CyrBit.ttf')
     KaraokeApp(path).run()

negromate/karaoke/kv_templates/karaoke.kv

@@ -1,7 +1,7 @@
 KaraokeGUI:
 
 <Label>:
-    font_name: 'CyrBit.ttf'
+    font_name: 'CyrBit'
     font_size: 12
 
 <Action@Button>:

requirements.txt

@@ -1,2 +1,2 @@
-Kivy==1.11.1
+Kivy==2.0.0
 negromate.songs @ git+https://git.negromate.rocks/NegroMate/songs.git@1.0