Fixed private videos breaking the script

.gitignore

@@ -1,4 +1,5 @@
 youtube.key
+/playlists/
 
 # ---> Python
 # Byte-compiled / optimized / DLL files

README.md

@@ -1,2 +1,23 @@
 # yt-unlist-saver
 
+This program will download all unlisted videos and descriptions in a given YouTube playlist that were uploaded on or before 2017.
+
+## Installation
+
+1. Clone the repository.
+2. Install youtube-dl Python library
+3. Get a YouTube API key following the instructions here [YouTube Data API Overview](https://developers.google.com/youtube/registering_an_application)
+4. Save the API key to a file called `youtube.key`
+```sh
+pip install youtube_dl
+```
+
+## Usage
+
+1. Go to the desired playlist in your browser.
+2. On the address bar you will see an URL like the following: https://www.youtube.com/watch?v=swRkBEDmaqk&list=PLRmPOFgS7WQFiijsHm-nAlpVAZaNXYRkx
+3. The playlist ID is after the `list=` On the playlist above it would be `PLRmPOFgS7WQFiijsHm-nAlpVAZaNXYRkx`
+4. Run the following command to download the playlist.
+```sh
+python yt-unlist-saver.py [Playlist ID]
+```

youtube_api.py

@@ -19,9 +19,13 @@ class YouTubeAPI(object):
   def getVideo(self, part, id):
     return self.getRequest('videos?part={}&id={}'.format(part, id))
 
-  def getVideoInfo(self, tag):
-    snippet = self.getVideo('snippet', tag)
-    status = self.getVideo('status', tag)
+  def getVideoInfo(self, id):
+    snippet = self.getVideo('snippet', id)
+    status = self.getVideo('status', id)
+
+    # Check for private videos
+    if len(snippet['items']) == 0:
+      return '', '', '', '', '', '', 'private', id
     snippet = snippet['items'][0]['snippet']
     status = status['items'][0]['status']
     title = snippet['title']
@@ -34,7 +38,7 @@ class YouTubeAPI(object):
     except:
       tags = ''
     privacy = status['privacyStatus']
-    return title, date, channel, channelId, description, tags, privacy
+    return title, date, channel, channelId, description, tags, privacy, id
 
   def getPlaylist(self, id, pageToken=''):
     if(pageToken):

yt-unlist-saver.py

@@ -1,22 +1,42 @@
 #!/usr/bin/env python3
 
 from youtube_api import YouTubeAPI
-import sys
+import sys, os
 import youtube_dl
 
 # Read YouTube API Key.
 def getYouTubeAPIKey():
   return open('youtube.key', 'r').read()
 
+def getTitle(info):
+  return info[0]
+
 def getUploadTime(info):
   return info[1]
 
 def getYear(info):
   return int(getUploadTime(info)[:4])
 
+def getChannel(info):
+  return info[2]
+
+def getChannelId(info):
+  return info[3]
+
+def getDescription(info):
+  return info[4]
+
+def getTags(info):
+  if isinstance(info[5], list):
+    return '[' + ','.join(info[5]) + ']'
+  return info[5]
+
 def getPrivacy(info):
   return info[6]
 
+def getId(info):
+  return info[7]
+
 # Print out information about a video.
 def printVideoInfo(info):
   title, date, channel, channelId, description, tags, privacy = info
@@ -27,11 +47,45 @@ def printVideoInfo(info):
   print('Tags: ', tags)
   print('Privacy: ' + privacy)
 
+playlistId = sys.argv[1]
+
+# Create download directory
+downloadDir = 'playlists'
+playlistDir = downloadDir+'/'+playlistId
+if not os.path.exists(downloadDir):
+  os.mkdir(downloadDir)
+if not os.path.exists(playlistDir):
+  os.mkdir(playlistDir)
+  
 api = YouTubeAPI(getYouTubeAPIKey())
-videos = api.getPlaylistVideos(sys.argv[1])
+videos = api.getPlaylistVideos(playlistId)
 
 videoInfo = [api.getVideoInfo(video['snippet']['resourceId']['videoId']) for video in videos]
 filteredVideos = [video for video in videoInfo if getPrivacy(video) == 'unlisted' and getYear(video) <= 2017]
 
+ydl_opts = {
+  'outtmpl': '{}/%(uploader)s-%(title)s-%(id)s.%(ext)s'.format(playlistDir)
+}
+
 for v in filteredVideos:
-  print(getYear(v))
+
+  # Save metadata to file
+  descriptionFile = '{}/{}-{}-{}.txt'.format(playlistDir,
+                                              getChannel(v),
+                                              getTitle(v).replace('/', ''),
+                                              getId(v))
+  if not os.path.exists(descriptionFile):
+    description = open(descriptionFile, 'w')
+    description.write('Title: ' + getTitle(v) + '\n')
+    description.write('Uploaded: ' + getUploadTime(v) + '\n')
+    description.write('Channel: ' + getChannel(v) + '\n')
+    description.write('Channel ID: ' + getChannelId(v) + '\n')
+    description.write('Description: ' + getDescription(v) + '\n')
+    description.write('Tags: ' + getTags(v) + '\n')
+    description.write('Video ID: ' + getId(v) + '\n')
+    description.close()
+    
+    videoURL = 'https://www.youtube.com/watch?v='+getId(v)
+    with youtube_dl.YoutubeDL(ydl_opts) as ydl:
+      ydl.download([videoURL])
+