mirror of
https://github.com/darkrenaissance/darkfi.git
synced 2026-01-09 14:48:08 -05:00
250 lines
9.1 KiB
Python
Executable File
250 lines
9.1 KiB
Python
Executable File
#!/usr/bin/env python3
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import asyncio
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import logging
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import pickle
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from base58 import b58decode
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from nacl.public import PrivateKey, Box
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from meetbot_cfg import config
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# Initialized channels from the configuration
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CHANS = {}
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# Pickle DB
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PICKLE_DB = "meetbot.pickle"
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# TODO: while this is nice to support, it would perhaps be better to do it
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# all over the same connection rather than opening a socket for each channel.
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async def channel_listen(host, port, nick, chan):
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try:
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logging.info("%s: Connecting to %s:%s", chan, host, port)
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reader, writer = await asyncio.open_connection(host, port)
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logging.debug("%s: Send CAP msg", chan)
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msg = "CAP REQ : no-history\r\n"
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writer.write(msg.encode("utf-8"))
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await writer.drain()
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logging.debug("%s: Send NICK msg", chan)
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msg = f"NICK {nick}\r\n"
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writer.write(msg.encode("utf-8"))
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await writer.drain()
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logging.debug("%s: Send CAP END msg", chan)
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msg = "CAP END\r\n"
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writer.write(msg.encode("utf-8"))
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await writer.drain()
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logging.debug("%s: Send JOIN msg", chan)
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msg = f"JOIN {chan}\r\n"
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writer.write(msg.encode("utf-8"))
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await writer.drain()
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logging.info("%s: Listening to channel", chan)
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while True:
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msg = await reader.readline()
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msg = msg.decode("utf8")
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if not msg:
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continue
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split_msg = msg.split(" ")
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command = split_msg[1]
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nick_c = split_msg[0][1:].rsplit("!", 1)[0]
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logging.debug("%s: Recv: %s", chan, msg.rstrip())
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if command == "PRIVMSG":
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msg_title = msg.split(" ")[3][1:].rstrip()
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if not msg_title:
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logging.info("%s: Recv empty PRIVMSG, ignoring", chan)
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continue
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if msg_title == "!start":
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logging.info("%s: Got !start", chan)
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topics = CHANS[chan]["topics"]
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reply = f"PRIVMSG {chan} :Meeting started"
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logging.info("%s: Send: %s", chan, reply)
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writer.write((reply + "\r\n").encode("utf-8"))
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await writer.drain()
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if len(topics) == 0:
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reply = f"PRIVMSG {chan} :No topics"
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logging.info("%s: Send: %s", chan, reply)
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writer.write((reply + "\r\n").encode("utf-8"))
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await writer.drain()
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continue
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reply = f"PRIVMSG {chan} :Topics:"
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logging.info("%s: Send: %s", chan, reply)
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writer.write((reply + "\r\n").encode("utf-8"))
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await writer.drain()
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for i, topic in enumerate(topics):
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reply = f"PRIVMSG {chan} :{i+1}. {topic}"
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logging.info("%s: Send: %s", chan, reply)
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writer.write((reply + "\r\n").encode("utf-8"))
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await writer.drain()
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cur_topic = topics.pop(0)
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reply = f"PRIVMSG {chan} :Current topic: {cur_topic}\r\n"
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CHANS[chan]["topics"] = topics
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writer.write(reply.encode("utf-8"))
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await writer.drain()
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continue
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if msg_title == "!end":
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logging.info("%s: Got !end", chan)
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reply = f"PRIVMSG {chan} :Meeting ended"
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logging.info("%s: Send: %s", chan, reply)
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writer.write((reply + "\r\n").encode("utf-8"))
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await writer.drain()
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continue
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if msg_title == "!topic":
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logging.info("%s: Got !topic", chan)
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topic = msg.split(" ", 4)
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if len(topic) != 5:
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logging.debug("%s: Topic msg len not 5, skipping",
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chan)
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continue
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topic = topic[4].rstrip() + f" (by {nick_c})"
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if topic == "":
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logging.debug("%s: Topic message empty, skipping",
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chan)
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continue
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topics = CHANS[chan]["topics"]
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if topic not in topics:
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topics.append(topic)
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CHANS[chan]["topics"] = topics
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logging.debug("%s: Appended topic to channel topics",
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chan)
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reply = f"PRIVMSG {chan} :Added topic: {topic}"
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logging.info("%s: Send: %s", chan, reply)
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else:
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logging.debug("%s: Topic already in list of topics",
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chan)
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reply = f"PRIVMSG {chan} :Topic already in list"
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logging.info("%s: Send: %s", chan, reply)
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writer.write((reply + "\r\n").encode("utf-8"))
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await writer.drain()
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continue
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if msg_title == "!list":
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logging.info("%s: Got !list", chan)
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topics = CHANS[chan]["topics"]
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if len(topics) == 0:
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reply = f"PRIVMSG {chan} :No topics"
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else:
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reply = f"PRIVMSG {chan} :Topics:"
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logging.info("%s: Send: %s", chan, reply)
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writer.write((reply + "\r\n").encode("utf-8"))
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await writer.drain()
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for i, topic in enumerate(topics):
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reply = f"PRIVMSG {chan} :{i+1}. {topic}"
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logging.info("%s: Send: %s", chan, reply)
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writer.write((reply + "\r\n").encode("utf-8"))
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await writer.drain()
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continue
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if msg_title == "!next":
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logging.info("%s: Got !next", chan)
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topics = CHANS[chan]["topics"]
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if len(topics) == 0:
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reply = f"PRIVMSG {chan} :No further topics"
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else:
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cur_topic = topics.pop(0)
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CHANS[chan]["topics"] = topics
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reply = f"PRIVMSG {chan} :Current topic: {cur_topic}"
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logging.info("%s: Send: %s", chan, reply)
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writer.write((reply + "\r\n").encode("utf-8"))
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await writer.drain()
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continue
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except KeyboardInterrupt:
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return
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except ConnectionRefusedError:
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logging.warning("%s: Connection refused, trying again in 3s...", chan)
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await asyncio.sleep(3)
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await channel_listen(host, port, nick, chan)
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except Exception as e:
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logging.error("EXCEPTION: %s", e)
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logging.warn("%s: Connection interrupted. Reconnecting in 3s...", chan)
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await asyncio.sleep(3)
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await channel_listen(host, port, nick, chan)
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async def main(debug=False):
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global CHANS
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loglevel = logging.DEBUG if debug else logging.INFO
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logfmt = "%(asctime)s [%(levelname)s]\t%(message)s"
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logging.basicConfig(format=logfmt,
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level=loglevel,
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datefmt="%Y-%m-%d %H:%M:%S")
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try:
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with open(PICKLE_DB, "rb") as pickle_fd:
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CHANS = pickle.load(pickle_fd)
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logging.info("Loaded pickle database")
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except:
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logging.info("Did not find pickle database")
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for i in config["channels"]:
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name = i["name"]
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logging.info("Found config for channel %s", name)
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# TODO: This will be useful when ircd has a CAP that tells it to
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# give **all** messages to the connected client, no matter if ircd
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# itself has a configured secret or not.
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# This way the ircd itself doesn't have to keep channel secrets, but
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# they can rather only be held by this bot. In turn this means the bot
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# can be deployed with any ircd.
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if i["secret"]:
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logging.info("Instantiating NaCl box for %s", name)
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secret = b58decode(i["secret"].encode("utf-8"))
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secret = PrivateKey(secret)
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public = secret.public_key
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box = Box(secret, public)
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else:
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box = None
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if not CHANS.get(name):
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CHANS[name] = {}
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if not CHANS[name].get("topics"):
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CHANS[name]["topics"] = []
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CHANS[name]["box"] = box
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coroutines = []
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for i in CHANS.keys():
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logging.debug("Creating async task for %s", i)
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task = asyncio.create_task(
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channel_listen(config["host"], config["port"], config["nick"], i))
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coroutines.append(task)
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await asyncio.gather(*coroutines)
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if __name__ == "__main__":
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from sys import argv
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DBG = bool(len(argv) == 2 and argv[1] == "-v")
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try:
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asyncio.run(main(debug=DBG))
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except KeyboardInterrupt:
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print("\rCaught ^C, saving pickle and exiting")
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with open(PICKLE_DB, "wb") as fdesc:
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pickle.dump(CHANS, fdesc, protocol=pickle.HIGHEST_PROTOCOL)
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