bridge_filter_plugin.py

import re

from supybot import callbacks, ircmsgs, ircutils

# TODO: the nick part of the regexp might need to be a bit more complicated
BRIDGE_MESSAGE_RE = re.compile(r'<(?P<nick>\w+)> (?P<message>.*)')


class BridgeFilter(callbacks.Plugin):
    # TODO: add all the other stuff needed in the plugin class

    def inFilter(self, irc, msg):
        # only process messages, not other kind of commands
        if msg.command != 'PRIVMSG':
            return msg
        # Only process messages from the bridge user.
        # TODO: the nick should be configurable
        if msg.nick != 'T42':
            return msg

        channel, text = msg.args
        # The bridge adds some colors to the message so strip those away
        text = ircutils.stripFormatting(text)
        # Parse the nick and original message from the bridge message content
        match = BRIDGE_MESSAGE_RE.match(text)
        # If it didn't match, pass on the original message
        if not match:
            return msg

        # Construct new IrcMsg object with the original nick and content
        original_text = match.group('message')
        new_args = (channel, original_text)
        original_nick = match.group('nick')
        new_prefix = ircutils.joinHostmask(
            "[T42]" + original_nick, msg.user, msg.host
        )

        return ircmsgs.IrcMsg(
            prefix=new_prefix,
            args=new_args,
            msg=msg,  # Take other values from the original message
        )


Class = BridgeFilter