103 lines
3.3 KiB
Python
103 lines
3.3 KiB
Python
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"""
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.. module::PubSubClient
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:synopsis: connect to a message bus and act as a message relay
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.. moduleauthor::Dave Pedu <dave@davepedu.com>
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"""
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from pyircbot.modulebase import ModuleBase, hook
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from msgbus.client import MsgbusSubClient # see http://gitlab.davepedu.com/dave/pymsgbus
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from threading import Thread
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from json import dumps, loads
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from time import sleep
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from zmq.error import Again
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class PubSubClient(ModuleBase):
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def __init__(self, bot, moduleName):
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ModuleBase.__init__(self, bot, moduleName)
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self.host, self.port = self.config.get("servers")[0].split(":")
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self.bus = None
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self.bus_listener_thread = Thread(target=self.bus_listener)
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self.bus_listener_thread.daemon = True
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self.bus_listener_thread.start()
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def bus_listener(self):
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sleep(3)
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while True:#TODO clean exit onenable/ondisable etc
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if not self.bus:
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sleep(0.01)
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continue
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try:
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channel, message = self.bus.recv(block=False)
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except Again:
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sleep(0.01)
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continue
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print(channel, "--", message)
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tag, subcommand, message = message.split(" ", 2)
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if tag != "default":
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continue
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if subcommand == "privmsg":
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dest, message = loads(message)
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self.bot.act_PRIVMSG(dest, message)
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def publish(self, subchannel, message):
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self.bus.pub(self.config.get("publish").format(subchannel), "{} {}".format("default", message))
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@hook("PRIVMSG")
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def bus_privmsg(self, msg):
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# msg.command msg.args msg.prefix msg.trailing
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self.publish("privmsg", dumps([msg.args, msg.prefix[0], msg.trailing, {"prefix": msg.prefix}]))
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@hook("JOIN")
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def bus_join(self, msg):
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# msg.command msg.args msg.prefix msg.trailing
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self.publish("join", dumps([msg.prefix[0], msg.trailing, {"prefix": msg.prefix}]))
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@hook("PART")
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def bus_part(self, msg):
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# msg.command msg.args msg.prefix msg.trailing
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self.publish("part", dumps([msg.args, msg.prefix[0], msg.trailing, {"prefix": msg.prefix}]))
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def onenable(self):
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self.bus = MsgbusSubClient(self.host, int(self.port))
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for channel in self.config.get("subscriptions"):
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self.bus.sub(channel)
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self.publish("sys", "online")
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def ondisable(self):
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self.log.warning("clean it up")
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self.publish("sys", "offline")
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self.bus.close()
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"""
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Bot connects to the bus:
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pyircbot_sys default online
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Bot disconnects from the bus:
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pyircbot_sys default offline
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Bot relaying a privmsg:
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pyircbot_privmsg default [["#clonebot"], "dave-irccloud", "message text",
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{"prefix": ["dave-irccloud", "sid36094", "Clk-247B1F43.irccloud.com"]}]
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User parts a channel:
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pyircbot_part default [["#clonebot"], "dave-irccloud", "part msg",
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{"prefix": ["dave-irccloud", "sid36094", "Clk-247B1F43.irccloud.com"]}]
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User joins a channel:
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pyircbot_join default ["dave-irccloud", "#clonebot",
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{"prefix": ["dave-irccloud", "sid36094", "Clk-247B1F43.irccloud.com"]}]
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# Client sending a message that the bot will relay
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pyircbot_send default privmsg ["#clonebot", "asdf1234"]
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"""
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