Bugfix: songs being dropped when adding them to the queue

bot.py

@@ -14,8 +14,8 @@
 
 import discord
 import jokeapi
-import pafy
 import youtubesearchpython
+import pafy_fixed.pafy_fixed as pafy
 
 
 class BotDispatcher(discord.Client):
@@ -429,7 +429,11 @@ async def create_or_get_voice_client(self, message):
 
     def pafy_search(self, youtube_link_or_id):
         """Search for youtube link with pafy"""
-        return pafy.new(youtube_link_or_id)
+        media = pafy.new(youtube_link_or_id)
+        if media.dislikes == 0:
+            logging.info("Ignoring dislike count in new media")
+
+        return media
 
     def youtube_search(self, search_str):
         """Search for search_str on youtube"""

pafy_fixed/backend_youtube_dl_fixed.py

@@ -0,0 +1,60 @@
+# pylint: skip-file
+# fmt: off
+
+import sys
+import time
+import logging
+import os
+import subprocess
+
+if sys.version_info[:2] >= (3, 0):
+    # pylint: disable=E0611,F0401,I0011
+    uni = str
+else:
+    uni = unicode
+
+import youtube_dl
+
+import pafy.g as g
+from pafy.backend_shared import BasePafy, BaseStream, remux, get_status_string, get_size_done
+
+from pafy.backend_youtube_dl import YtdlPafy
+
+class YtdlPafyFixed(YtdlPafy):
+    """
+    Modified version of pafy.backend_youtube_dl.YtdlPafy
+    """
+    def __init__(self, *args, **kwargs):
+        super(YtdlPafyFixed, self).__init__(*args, **kwargs)
+
+    def _fetch_basic(self):
+        """ Fetch basic data and streams. """
+        if self._have_basic:
+            return
+
+        with youtube_dl.YoutubeDL(self._ydl_opts) as ydl:
+            try:
+                self._ydl_info = ydl.extract_info(self.videoid, download=False)
+            # Turn into an IOError since that is what pafy previously raised
+            except youtube_dl.utils.DownloadError as e:
+                raise IOError(str(e).replace('YouTube said', 'Youtube says'))
+
+        if self.callback:
+            self.callback("Fetched video info")
+
+        self._title = self._ydl_info['title']
+        self._author = self._ydl_info['uploader']
+        self._rating = self._ydl_info['average_rating']
+        self._length = self._ydl_info['duration']
+        self._viewcount = self._ydl_info['view_count']
+        self._likes = self._ydl_info['like_count']
+        # added a default value for dislike_count
+        self._dislikes = self._ydl_info.get('dislike_count', 0)
+        self._username = self._ydl_info['uploader_id']
+        self._category = self._ydl_info['categories'][0] if self._ydl_info['categories'] else ''
+        self._bestthumb = self._ydl_info['thumbnails'][0]['url']
+        self._bigthumb = g.urls['bigthumb'] % self.videoid
+        self._bigthumbhd = g.urls['bigthumbhd'] % self.videoid
+        self.expiry = time.time() + g.lifespan
+
+        self._have_basic = True

pafy_fixed/pafy_fixed.py

@@ -0,0 +1,21 @@
+# pylint: skip-file
+# fmt: off
+
+from pafy.pafy import *
+
+Pafy = None
+
+def new(url, basic=True, gdata=False, size=False,
+        callback=None, ydl_opts=None):
+    """
+    Modified version of pafy.new()
+    """
+    global Pafy
+    if Pafy is None:
+        if backend == "internal":
+           from pafy.backend_internal import InternPafy as Pafy
+        else:
+            # changed this line
+           from pafy_fixed.backend_youtube_dl_fixed import YtdlPafyFixed as Pafy
+
+    return Pafy(url, basic, gdata, size, callback, ydl_opts=ydl_opts)