main.py: added error handling for the bot task

- no mo traceback 4 me

main.py

@@ -6,7 +6,6 @@ Qrm, a bot for Discord
 [copyright here]
 """
 
-
 import discord
 import discord.ext.commands as commands
 
@@ -15,8 +14,26 @@ import info
 import options as opt
 import keys
 
+# --- Variables ---
+debug_mode = opt.debug
 
 bot = commands.Bot(command_prefix=opt.prefix, description=info.description)
 
 
-bot.run(keys.discord_token)
+try:
+    bot.run(keys.discord_token)
+
+except discord.LoginFailure as ex:  # Miscellaneous authentications errors: borked token and co
+    if debug_mode:
+        raise
+    raise SystemExit("Error: Failed to authenticate: {}".format(ex))
+
+except discord.ConnectionClosed as ex:  # When the connection the the gateway (websocket) is closed
+    if debug_mode:
+        raise
+    raise SystemExit("Error: Discord gateway connection closed: [Code {}] {}".format(ex.code, ex.reason))
+
+except ConnectionResetError as ex:  # More generic connection reset error
+    if debug_mode:
+        raise
+    raise SystemExit("ConnectionResetError: {}".format(ex))

templates/template_options.py

@@ -10,4 +10,5 @@
 """Settings and options for the bot."""
 
 prefix = "?"
+debug = False
 owners_uids = ()