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@ -6,34 +6,24 @@
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"""
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import queue
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import socket
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import asynchat
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import asyncore
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import asyncio
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import logging
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import traceback
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import sys
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from inspect import getargspec
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from socket import SHUT_RDWR
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from threading import Thread
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from time import sleep, time
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from time import sleep
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from collections import namedtuple
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from io import StringIO
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try:
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from cStringIO import StringIO
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except:
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from io import BytesIO as StringIO
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IRCEvent = namedtuple("IRCEvent", "args prefix trailing")
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IRCEvent = namedtuple("IRCEvent", "command args prefix trailing")
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UserPrefix = namedtuple("UserPrefix", "nick username hostname")
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ServerPrefix = namedtuple("ServerPrefix", "hostname")
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class IRCCore(asynchat.async_chat):
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class IRCCore(object):
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def __init__(self):
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asynchat.async_chat.__init__(self)
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def __init__(self, servers):
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self.connected = False
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"""If we're connected or not"""
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@ -49,155 +39,61 @@ class IRCCore(asynchat.async_chat):
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self.server = 0
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"""Current server index"""
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self.servers = []
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self.servers = servers
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"""List of server address"""
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self.port = 0
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"""Server port"""
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self.ipv6 = False
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"""Use IPv6?"""
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self.OUTPUT_BUFFER_SIZE = 1000
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self.SEND_WAIT = 0.800
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self.outputQueue = queue.Queue(self.OUTPUT_BUFFER_SIZE)
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self.outputQueueRunner = OutputQueueRunner(self)
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self.outputQueueRunner.start()
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# IRC Messages are terminated with \r\n
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self.set_terminator(b"\r\n")
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# Set up hooks for modules
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self.initHooks()
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# Map for asynchat
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self.asynmap = {}
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def loop(self):
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async def loop(self, loop):
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while self.alive:
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try:
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asyncore.loop(map=self.asynmap, timeout=1)
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except Exception:
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self.log.error("Loop error: ")
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self.log.error(IRCCore.trace())
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# Remove from asynmap
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for key in list(self.asynmap.keys())[:]:
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del self.asynmap[key]
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if self.alive:
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logging.info("Loop: reconnecting")
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try:
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self._connect()
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except Exception:
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self.log.error("Error reconnecting: ")
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self.log.error(IRCCore.trace())
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def kill(self, message="Help! Another thread is killing me :(", alive=False):
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# TODO support ipv6 again
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self.reader, self.writer = await asyncio.open_connection(self.servers[self.server][0],
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port=self.servers[self.server][1],
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loop=loop,
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ssl=None)
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self.fire_hook("_CONNECT")
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except (socket.gaierror, ConnectionRefusedError):
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traceback.print_exc()
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logging.warning("Non-fatal connect error, trying next server...")
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self.server = (self.server + 1) % len(self.servers)
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await asyncio.sleep(1, loop=loop)
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continue
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while self.alive:
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try:
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data = await self.reader.readuntil()
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self.log.debug("<<< {}".format(repr(data)))
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self.process_line(data.decode("UTF-8"))
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except (ConnectionResetError, asyncio.streams.IncompleteReadError):
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traceback.print_exc()
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break
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self.fire_hook("_DISCONNECT")
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self.writer.close()
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if self.alive:
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# TODO ramp down reconnect attempts
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logging.info("Reconnecting in 3s...")
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sleep(3)
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async def kill(self, message="Help! Another thread is killing me :("):
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"""Send quit message, flush queue, and close the socket
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:param message: Quit message
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:param message: Quit message to send before disconnecting
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:type message: str
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:param alive: True causes a reconnect after disconnecting
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:type alive: bool
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"""
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# Pauses output queue
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self.outputQueueRunner.paused = not alive
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# Clear any pending messages
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self.outputQueueRunner.clear()
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# Send quit message and flush queue
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self.alive = False
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self.act_QUIT(message) # TODO will this hang if the socket is having issues?
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self.outputQueueRunner.flush()
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# Signal disconnection
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self.alive = alive
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# Close socket
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self.socket.shutdown(SHUT_RDWR)
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self.close()
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await self.writer.drain()
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self.writer.close()
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self.log.info("Kill complete")
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" Net related code here on down "
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def getBuf(self):
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"""Return the network buffer and clear it"""
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self.buffer.seek(0)
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data = self.buffer.read()
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self.buffer = StringIO()
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return data
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def collect_incoming_data(self, data):
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"""Recieve data from the IRC server, append it to the buffer
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:param data: the data that was recieved
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:type data: str"""
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self.buffer.write(data)
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def found_terminator(self):
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"""A complete command was pushed through, so clear the buffer and process it."""
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line = None
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buf = self.getBuf()
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try:
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line = buf.decode("UTF-8")
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except UnicodeDecodeError as ude:
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self.log.error("found_terminator(): could not decode input as UTF-8")
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self.log.error("found_terminator(): data: %s" % line)
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self.log.error("found_terminator(): repr(data): %s" % repr(line))
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self.log.error("found_terminator(): error: %s" % str(ude))
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return
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self.log.debug("< {}".format(line))
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self.process_data(line)
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def handle_close(self):
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"""Called when the socket is disconnected. Triggers the _DISCONNECT hook"""
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self.log.info("handle_close")
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self.connected = False
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self.close()
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self.fire_hook("_DISCONNECT")
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def handle_error(self, *args, **kwargs):
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"""Called on fatal network errors."""
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self.log.error("Connection failed (handle_error)")
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self.log.error(str(args))
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self.log.error(str(kwargs))
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self.log.error(IRCCore.trace())
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def _connect(self):
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"""Connect to IRC"""
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self.server += 1
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if self.server >= len(self.servers):
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self.server = 0
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serverHostname = self.servers[self.server]
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self.log.info("Connecting to %(server)s:%(port)i", {"server": serverHostname, "port": self.port})
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socket_type = socket.AF_INET
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if self.ipv6:
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self.log.info("IPv6 is enabled.")
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socket_type = socket.AF_INET6
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socketInfo = socket.getaddrinfo(serverHostname, self.port, socket_type)
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self.create_socket(socket_type, socket.SOCK_STREAM)
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self.log.info("Socket created: %s" % self.socket.fileno())
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self.connect(socketInfo[0][4])
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self.log.info("Connection established")
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self._fileno = self.socket.fileno()
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# See http://willpython.blogspot.com/2010/08/multiple-event-loops-with-asyncore-and.html
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self.asynmap[self._fileno] = self
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self.log.info("_connect: Socket map: %s" % str(self.asynmap))
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def handle_connect(self):
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"""When asynchat indicates our socket is connected, fire the _CONNECT hook"""
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self.connected = True
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self.log.info("handle_connect: connected")
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self.fire_hook("_CONNECT")
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self.log.info("handle_connect: complete")
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def sendRaw(self, text, prio=2):
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"""Queue messages (raw string) to be sent to the IRC server
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:param text: the string to send
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:type text: str"""
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text = (text + "\r\n").encode("UTF-8").decode().encode("UTF-8")
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self.outputQueue.put((prio, text), block=False)
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def process_data(self, data):
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"""Process one line of tet irc sent us
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def process_line(self, data):
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"""Process one line of text irc sent us
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:param data: the data to process
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:type data: str"""
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@ -223,6 +119,7 @@ class IRCCore(asynchat.async_chat):
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args = data.split(" ")
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for index, arg in enumerate(args):
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args[index] = arg.strip()
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self.fire_hook("_RECV", args=args, prefix=prefix, trailing=trailing)
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if command not in self.hookcalls:
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self.log.warning("Unknown command: cmd='%s' prefix='%s' args='%s' trailing='%s'" % (command, prefix, args,
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@ -230,44 +127,50 @@ class IRCCore(asynchat.async_chat):
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else:
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self.fire_hook(command, args=args, prefix=prefix, trailing=trailing)
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def sendRaw(self, data):
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self.log.warning(">>> {}".format(repr(data)))
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self.writer.write((data + "\r\n").encode("UTF-8"))
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" Module related code "
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def initHooks(self):
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"""Defines hooks that modules can listen for events of"""
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self.hooks = [
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'_CONNECT', # Called when the bot connects to IRC on the socket level
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'_DISCONNECT', # Called when the irc socket is forcibly closed
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'_RECV', # Called on network activity
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'NOTICE', # :irc.129irc.com NOTICE AUTH :*** Looking up your hostname...
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'MODE', # :CloneABCD MODE CloneABCD :+iwx
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'PING', # PING :irc.129irc.com
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'JOIN', # :CloneA!dave@hidden-B4F6B1AA.rit.edu JOIN :#clonea
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'QUIT', # :HCSMPBot!~HCSMPBot@108.170.48.18 QUIT :Quit: Disconnecting!
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'NICK', # :foxiAway!foxi@irc.hcsmp.com NICK :foxi
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'PART', # :CloneA!dave@hidden-B4F6B1AA.rit.edu PART #clonea
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'PRIVMSG', # :CloneA!dave@hidden-B4F6B1AA.rit.edu PRIVMSG #clonea :aaa
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'KICK', # :xMopxShell!~rduser@host KICK #xMopx2 xBotxShellTest :xBotxShellTest
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'INVITE', # :gmx!~gmxgeek@irc.hcsmp.com INVITE Tyrone :#hcsmp'
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'001', # :irc.129irc.com 001 CloneABCD :Welcome to the 129irc IRC Network CloneABCD!CloneABCD@djptwc-laptop1.rit.edu
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'002', # :irc.129irc.com 002 CloneABCD :Your host is irc.129irc.com, running version Unreal3.2.8.1
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'003', # :irc.129irc.com 003 CloneABCD :This server was created Mon Jul 19 2010 at 03:12:01 EDT
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'004', # :irc.129irc.com 004 CloneABCD irc.129irc.com Unreal3.2.8.1 iowghraAsORTVSxNCWqBzvdHtGp lvhopsmntikrRcaqOALQbSeIKVfMCuzNTGj
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'005', # :irc.129irc.com 005 CloneABCD CMDS=KNOCK,MAP,DCCALLOW,USERIP UHNAMES NAMESX SAFELIST HCN MAXCHANNELS=10 CHANLIMIT=#:10 MAXLIST=b:60,e:60,I:60 NICKLEN=30 CHANNELLEN=32 TOPICLEN=307 KICKLEN=307 AWAYLEN=307 :are supported by this server
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'250', # :chaos.esper.net 250 xBotxShellTest :Highest connection count: 1633 (1632 clients) (186588 connections received)
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'251', # :irc.129irc.com 251 CloneABCD :There are 1 users and 48 invisible on 2 servers
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'252', # :irc.129irc.com 252 CloneABCD 9 :operator(s) online
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'254', # :irc.129irc.com 254 CloneABCD 6 :channels formed
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'255', # :irc.129irc.com 255 CloneABCD :I have 42 clients and 1 servers
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'265', # :irc.129irc.com 265 CloneABCD :Current Local Users: 42 Max: 47
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'266', # :irc.129irc.com 266 CloneABCD :Current Global Users: 49 Max: 53
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'332', # :chaos.esper.net 332 xBotxShellTest #xMopx2 :/ #XMOPX2 / https://code.google.com/p/pyircbot/ (Channel Topic)
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'333', # :chaos.esper.net 333 xBotxShellTest #xMopx2 xMopxShell!~rduser@108.170.60.242 1344370109
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'353', # :irc.129irc.com 353 CloneABCD = #clonea :CloneABCD CloneABC
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'366', # :irc.129irc.com 366 CloneABCD #clonea :End of /NAMES list.
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'372', # :chaos.esper.net 372 xBotxShell :motd text here
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'375', # :chaos.esper.net 375 xBotxShellTest :- chaos.esper.net Message of the Day -
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'376', # :chaos.esper.net 376 xBotxShell :End of /MOTD command.
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'422', # :irc.129irc.com 422 CloneABCD :MOTD File is missing
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'433', # :nova.esper.net 433 * pyircbot3 :Nickname is already in use.
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'_CONNECT',
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'_DISCONNECT',
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'_RECV',
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'NOTICE',
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'MODE',
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'PING',
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'JOIN',
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'QUIT',
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'NICK',
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|
|
|
|
'PART',
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|
'PRIVMSG',
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|
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|
'KICK',
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|
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|
'INVITE',
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|
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|
'001',
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|
|
|
|
'002',
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|
|
|
|
'003',
|
|
|
|
|
'004',
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|
|
|
|
'005',
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|
|
|
|
'250',
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|
|
|
|
'251',
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|
|
|
|
'252',
|
|
|
|
|
'254',
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|
|
|
|
'255',
|
|
|
|
|
'265',
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|
|
|
|
'266',
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|
|
|
|
'332',
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|
|
|
|
'333',
|
|
|
|
|
'353',
|
|
|
|
|
'366',
|
|
|
|
|
'372',
|
|
|
|
|
'375',
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|
|
|
|
'376',
|
|
|
|
|
'422',
|
|
|
|
|
'433',
|
|
|
|
|
]
|
|
|
|
|
" mapping of hooks to methods "
|
|
|
|
|
self.hookcalls = {command: [] for command in self.hooks}
|
|
|
|
@ -283,11 +186,10 @@ class IRCCore(asynchat.async_chat):
|
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|
|
|
:type prefix: str
|
|
|
|
|
:param trailing: data payload of the command
|
|
|
|
|
:type trailing: str"""
|
|
|
|
|
|
|
|
|
|
for hook in self.hookcalls[command]:
|
|
|
|
|
try:
|
|
|
|
|
if len(getargspec(hook).args) == 2:
|
|
|
|
|
hook(IRCCore.packetAsObject(args, prefix, trailing))
|
|
|
|
|
hook(IRCCore.packetAsObject(command, args, prefix, trailing))
|
|
|
|
|
else:
|
|
|
|
|
hook(args, prefix, trailing)
|
|
|
|
|
|
|
|
|
@ -324,7 +226,7 @@ class IRCCore(asynchat.async_chat):
|
|
|
|
|
self.log.warning("Invalid hook - %s" % command)
|
|
|
|
|
return False
|
|
|
|
|
|
|
|
|
|
def packetAsObject(args, prefix, trailing):
|
|
|
|
|
def packetAsObject(command, args, prefix, trailing):
|
|
|
|
|
"""Given an irc message's args, prefix, and trailing data return an object with these properties
|
|
|
|
|
|
|
|
|
|
:param args: list of args from the IRC packet
|
|
|
|
@ -335,7 +237,7 @@ class IRCCore(asynchat.async_chat):
|
|
|
|
|
:type trailing: str
|
|
|
|
|
:returns: object -- a IRCEvent object with the ``args``, ``prefix``, ``trailing``"""
|
|
|
|
|
|
|
|
|
|
return IRCEvent(args,
|
|
|
|
|
return IRCEvent(command, args,
|
|
|
|
|
IRCCore.decodePrefix(prefix) if prefix else None,
|
|
|
|
|
trailing)
|
|
|
|
|
|
|
|
|
@ -467,67 +369,10 @@ class IRCCore(asynchat.async_chat):
|
|
|
|
|
|
|
|
|
|
:param message: quit message
|
|
|
|
|
:type message: str"""
|
|
|
|
|
self.sendRaw("QUIT :%s" % message, prio=0)
|
|
|
|
|
self.sendRaw("QUIT :%s" % message)
|
|
|
|
|
|
|
|
|
|
def act_PASS(self, password):
|
|
|
|
|
"""
|
|
|
|
|
Send server password, for use on connection
|
|
|
|
|
"""
|
|
|
|
|
self.sendRaw("PASS %s" % password, prio=0)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
class OutputQueueRunner(Thread):
|
|
|
|
|
"""Rate-limited output queue"""
|
|
|
|
|
def __init__(self, bot):
|
|
|
|
|
Thread.__init__(self, daemon=True)
|
|
|
|
|
self.bot = bot # reference to main bot thread
|
|
|
|
|
self.log = logging.getLogger('OutputQueueRunner')
|
|
|
|
|
self.paused = False
|
|
|
|
|
|
|
|
|
|
def run(self):
|
|
|
|
|
"""Constantly sends messages unless bot is disconnecting/ed"""
|
|
|
|
|
lastSend = time()
|
|
|
|
|
while True:
|
|
|
|
|
# Rate limit
|
|
|
|
|
sinceLast = time() - lastSend
|
|
|
|
|
if sinceLast < self.bot.SEND_WAIT:
|
|
|
|
|
toSleep = self.bot.SEND_WAIT - sinceLast
|
|
|
|
|
sleep(toSleep)
|
|
|
|
|
|
|
|
|
|
# Pop item and execute
|
|
|
|
|
if self.bot.connected and not self.paused:
|
|
|
|
|
try:
|
|
|
|
|
self.process_queue_item()
|
|
|
|
|
lastSend = time()
|
|
|
|
|
except queue.Empty:
|
|
|
|
|
# self.log.debug("Queue is empty")
|
|
|
|
|
pass
|
|
|
|
|
sleep(0.01)
|
|
|
|
|
|
|
|
|
|
def process_queue_item(self):
|
|
|
|
|
"""Remove 1 item from queue and process it"""
|
|
|
|
|
prio, text = self.bot.outputQueue.get(block=True, timeout=10)
|
|
|
|
|
# self.log.debug("%s>> %s" % (prio,text))
|
|
|
|
|
self.bot.outputQueue.task_done()
|
|
|
|
|
self.log.debug("> {}".format(text.decode('UTF-8')))
|
|
|
|
|
self.bot.send(text)
|
|
|
|
|
|
|
|
|
|
def clear(self):
|
|
|
|
|
"""Discard all items from queue"""
|
|
|
|
|
length = self.bot.outputQueue.qsize()
|
|
|
|
|
try:
|
|
|
|
|
while True:
|
|
|
|
|
self.bot.outputQueue.get(block=False)
|
|
|
|
|
except queue.Empty:
|
|
|
|
|
pass
|
|
|
|
|
# self.log.debug("output queue cleared")
|
|
|
|
|
return length
|
|
|
|
|
|
|
|
|
|
def flush(self):
|
|
|
|
|
"""Process all items in queue"""
|
|
|
|
|
for i in range(0, self.bot.outputQueue.qsize()):
|
|
|
|
|
try:
|
|
|
|
|
self.process_queue_item()
|
|
|
|
|
except:
|
|
|
|
|
pass
|
|
|
|
|
# self.log.debug("output queue flushed")
|
|
|
|
|
self.sendRaw("PASS %s" % password)
|
|
|
|
|