110 lines
3.8 KiB
Python
110 lines
3.8 KiB
Python
import irc.bot
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import irc.strings
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from irc.client import ip_numstr_to_quad, ip_quad_to_numstr, Event, ServerConnection
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from irc.client_aio import AioReactor
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import multiprocessing as mp
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from typing import Any, Dict
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class IRCBot(irc.bot.SingleServerIRCBot):
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reactor_class = AioReactor
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def __init__(self, zulip_client, stream, topic, channel, nickname, server, port=6667):
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# type: (Any, str, str, irc.bot.Channel, str, str, int) -> None
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irc.bot.SingleServerIRCBot.__init__(self, [(server, port)], nickname, nickname)
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self.channel = channel # type: irc.bot.Channel
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self.zulip_client = zulip_client
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self.stream = stream
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self.topic = topic
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self.IRC_DOMAIN = server
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def zulip_sender(self, sender_string):
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# type: (str) -> str
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nick = sender_string.split("!")[0]
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return nick + "@" + self.IRC_DOMAIN
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def connect(self, *args, **kwargs):
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# type: (*Any, **Any) -> None
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# Taken from
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# https://github.com/jaraco/irc/blob/master/irc/client_aio.py,
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# in particular the method of AioSimpleIRCClient
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self.reactor.loop.run_until_complete(
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self.connection.connect(*args, **kwargs)
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)
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def on_nicknameinuse(self, c, e):
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# type: (ServerConnection, Event) -> None
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c.nick(c.get_nickname().replace("_zulip", "__zulip"))
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def on_welcome(self, c, e):
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# type: (ServerConnection, Event) -> None
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c.join(self.channel)
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def forward_to_irc(msg):
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# type: (Dict[str, Any]) -> None
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if msg["sender_email"] == self.zulip_client.email:
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# Do not forward echo
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return
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if msg["type"] == "stream":
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send = lambda x: c.privmsg(self.channel, x)
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else:
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recipients = [u["short_name"] for u in msg["display_recipient"] if
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u["email"] != msg["sender_email"]]
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if len(recipients) == 1:
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send = lambda x: c.privmsg(recipients[0], x)
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else:
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send = lambda x: c.privmsg_many(recipients, x)
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for line in msg["content"].split("\n"):
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send(line)
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z2i = mp.Process(target=self.zulip_client.call_on_each_message, args=(forward_to_irc,))
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z2i.start()
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def on_privmsg(self, c, e):
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# type: (ServerConnection, Event) -> None
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content = e.arguments[0]
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sender = self.zulip_sender(e.source)
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if sender.endswith("_zulip@" + self.IRC_DOMAIN):
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return
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# Forward the PM to Zulip
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print(self.zulip_client.send_message({
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"sender": sender,
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"type": "private",
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"to": "username@example.com",
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"content": content,
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}))
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def on_pubmsg(self, c, e):
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# type: (ServerConnection, Event) -> None
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content = e.arguments[0]
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sender = self.zulip_sender(e.source)
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if sender.endswith("_zulip@" + self.IRC_DOMAIN):
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return
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# Forward the stream message to Zulip
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print(self.zulip_client.send_message({
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"type": "stream",
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"to": self.stream,
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"subject": self.topic,
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"content": content,
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"content": "**{0}**: {1}".format(sender, content),
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}))
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def on_dccmsg(self, c, e):
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# type: (ServerConnection, Event) -> None
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c.privmsg("You said: " + e.arguments[0])
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def on_dccchat(self, c, e):
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# type: (ServerConnection, Event) -> None
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if len(e.arguments) != 2:
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return
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args = e.arguments[1].split()
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if len(args) == 4:
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try:
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address = ip_numstr_to_quad(args[2])
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port = int(args[3])
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except ValueError:
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return
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self.dcc_connect(address, port)
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