update comments, formatting, and add the ability to chose not to cache when a message will never be the same

ticker.py

@@ -33,27 +33,29 @@ s = AsyncIOScheduler(event_loop = client.loop)
 ticker_queue = asyncio.Queue()
 
 # returns a file path from the cache
-def to_tts(message, lang = 'ja'):
+def to_tts(message, lang = 'ja', cache = True):
     # the file we save to is based on the hash of the message
-    message_hash = hashlib.md5(message.encode('utf-8')).hexdigest()
-    file_name = ROOT + "/cache/" + message_hash + ".mp3"
+    file_name = "dqn.mp3"
+    if cache:
+        message_hash = hashlib.md5(message.encode('utf-8')).hexdigest()
+        file_name = ROOT + "/cache/" + message_hash + ".mp3"
 
     print(message)
 
-    # if the hash matches and existing file, well...
-    if not os.path.isfile(file_name):
+    # the hash lets us cache
+    if not os.path.isfile(file_name) or not cache:
         print("file does not exist, cacheing")
         tts = gTTS(message, lang = lang)
         tts.save(file_name)
 
     return file_name
 
-# coroutine responsible for handling the queue as events come in
+# announcer loop
 async def ticker_update():
     while True:
         await client.wait_until_ready()
 
-        # blocks until there is a message in the queue
+        # blocks until there is an event waiting in the queue
         announce_file, target_voice_channel, after = await ticker_queue.get()
         print("ticker event has been removed from queue")
  
@@ -62,22 +64,17 @@ async def ticker_update():
         # 2. we are connected to the wrong channel. we should MOVE to the target channel
         # 3. we are already in the correct channel. we should do nothing
 
-        guild = target_voice_channel.guild # the guild this ticker event is for
-        voice_client = guild.voice_client # the voice client for this guild, may be None
+        guild = target_voice_channel.guild
+        voice_client = guild.voice_client # may be none
 
-        # there is no connection, nor an existing voice client
-        if not voice_client: 
+        # connect vc
+        if not (voice_client and voice_client.is_connected()): 
             voice_client = await target_voice_channel.connect()
 
-        # there is a voice client, but there is no connection
-        if not voice_client.is_connected():
-            voice_client = await target_voice_channel.connect()
-
-        # we are not already in the correct channel
+        # switch channels
         if not target_voice_channel.id == voice_client.channel.id: 
             await voice_client.move_to(target_voice_channel)
 
-        # load and play supplied message
         source = discord.FFmpegOpusAudio(announce_file)
         voice_client.play(source)
 
@@ -88,7 +85,7 @@ async def ticker_update():
         if after:
              await after(target_voice_channel)
 
-        # once all ticker events have completed, dc
+        # the queue being empty indicates all events completed
         if ticker_queue.empty():
              await voice_client.disconnect()
 
@@ -153,13 +150,14 @@ def bussing():
     BUS_START = 1587179700
     since_start = time.time() - BUS_START
     hours_since_start = since_start / 60 / 60
-    file_name = to_tts("GIVE IT UP FOR " + str(int(hours_since_start)) + " HOURS SINCE DEPARTURE!! WOO!!", lang = 'en')
+    file_name = to_tts("GIVE IT UP FOR " + str(int(hours_since_start)) + " HOURS SINCE DEPARTURE!! WOO!!", 'en', False)
     return file_name
 
 # ban league
 async def league_ghetto():
     await client.wait_until_ready()
 
+    # short circuiting ands are okay, but this is still hell.
     leaguers = filter(lambda member: member.activity and member.activity.type == discord.ActivityType.playing
                       and member.activity.name == 'League of Legends' and member.voice and  member.voice.channel
                       and member.voice.channel.id != GHETTO, client.get_guild(SEGUIS).members)