Catch more discord forbidden exceptions

webhook-bridge.py

@@ -636,6 +636,7 @@ def main():
                         if message_to_send == PREVIOUS_MESSAGE or \
                                 datetime.now(timezone.utc) < NEXT_MESSAGE_TIME:
                             send_channel = message.channel
+                            try:
                                 if isinstance(message.channel, discord.abc.GuildChannel):
                                     dm_channel = message.author.dm_channel
                                     if not dm_channel:
@@ -643,6 +644,14 @@ def main():
                                     send_channel = message.author.dm_channel
                                 msg = "Your message \"{}\" has been rate-limited.".format(message.clean_content)
                                 await send_channel.send(msg)
+                            except discord.errors.Forbidden:
+                                if isinstance(message.author, discord.abc.User):
+                                    msg = "{}, please allow private messages from this bot.".format(
+                                        message.author.mention)
+                                    error_msg = await message.channel.send(msg)
+                                    await asyncio.sleep(3)
+                                    await error_msg.delete()
+                            finally:
                                 return
 
                         PREVIOUS_MESSAGE = message_to_send
@@ -662,6 +671,7 @@ def main():
                         connection.write_packet(packet)
                 else:
                     send_channel = message.channel
+                    try:
                         if isinstance(message.channel, discord.abc.GuildChannel):
                             dm_channel = message.author.dm_channel
                             if not dm_channel:
@@ -670,8 +680,16 @@ def main():
                         msg = "Unable to send chat message: there is no Minecraft account linked to this discord account," \
                               "please run `mc!register`."
                         await send_channel.send(msg)
+                    except discord.errors.Forbidden:
+                        if isinstance(message.author, discord.abc.User):
+                            msg = "{}, please allow private messages from this bot.".format(message.author.mention)
+                            error_msg = await message.channel.send(msg)
+                            await asyncio.sleep(3)
+                            await error_msg.delete()
+                    finally:
                         session.close()
                         del session
+                        return
             else:
                 session.close()
                 del session