make a best-effort guess at a youtube link for tracks

config.cfg.example

@@ -1,6 +1,11 @@
 [np]
 class = nowplaying.NowplayingBot
-domain = ; FILL IN ;
-client_id = ; FILL IN ;
-client_secret = ; FILL IN ;
-access_token = ; FILL IN ;
+domain = ; fill in ;
+client_id = ; fill in ;
+client_secret = ; fill in ;
+access_token = ; fill in ;
+lastfm_api_key = ; fill in ;
+lastfm_api_secret = ; fill in ;
+lastfm_username = ; fill in ;
+lastfm_password_hash = ; fill in ;
+youtube_key = ; fill in ;

nowplaying.py

@@ -1,12 +1,29 @@
+import requests
 from pylast import LastFMNetwork
 from ananas import PineappleBot, ConfigurationError, interval
 
+def search_youtube(q, max_results=1, key=None):
+    if not key:
+        raise ValueError('search_youtube() requires a key to authorize with the Youtube v3 API')
+
+    r = requests.get('https://www.googleapis.com/youtube/v3/search',
+                     params={'q': q, 'type': 'video', 'maxResults': max_results,
+                             'part': 'snippet', 'key': key})
+
+    print(r.json())
+
+    items = []
+    for item in r.json()['items']:
+        items.append({'id': item['id']['videoId'], 'title': item['snippet']['title']})
+
+    return items
+
 class NowplayingBot(PineappleBot):
     def init(self):
         self.last_posted_track = None
 
     def start(self):
-        for k in ['lastfm_api_key', 'lastfm_api_secret', 'lastfm_username', 'lastfm_password_hash']:
+        for k in ['lastfm_api_key', 'lastfm_api_secret', 'lastfm_username', 'lastfm_password_hash', 'youtube_key']:
             if k not in self.config:
                 raise ConfigurationError(f"NowplayingBot requires a '{k}'")
 
@@ -28,8 +45,18 @@ class NowplayingBot(PineappleBot):
         else:
             self.last_posted_track = currently_playing.__hash__()
         
-        post = '''\
-#np #nowplaying {artist} - {track}'''.format(artist=currently_playing.get_artist().get_name(properly_capitalized=True),
-                                              track=currently_playing.get_title())
+        # make a best-effort guess at the youtube link for this track
+        yt_search = search_youtube(str(currently_playing), key=self.config.youtube_key)
+        yt_link = f"https://www.youtube.com/watch?v={yt_search[0]['id']}"
 
+        # template the post
+        post_template = '''\
+#np #nowplaying #fediplay {artist} - {track}
+
+{yt_link}'''
+
+        post = post_template.format(artist=currently_playing.get_artist().get_name(properly_capitalized=True),
+                                    track=currently_playing.get_title(), yt_link=yt_link)
+
+        # do the thing
         self.mastodon.toot(post)

requirements.txt

@@ -1,2 +1,3 @@
 pylast==2.1.0
 ananas==1.0.0b5
+requests==2.18.4