169 lines
4.6 KiB
Python
Executable File
169 lines
4.6 KiB
Python
Executable File
#!/usr/bin/env python
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"""
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irc.py - A Utility IRC Bot
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Copyright 2008, Sean B. Palmer, inamidst.com
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Licensed under the Eiffel Forum License 2.
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http://inamidst.com/phenny/
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"""
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import sys, re, time, traceback
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import socket, asyncore, asynchat
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class Origin(object):
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source = re.compile(r'([^!]*)!?([^@]*)@?(.*)')
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def __init__(self, bot, source, args):
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match = Origin.source.match(source or '')
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self.nick, self.user, self.host = match.groups()
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if len(args) > 1:
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target = args[1]
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else: target = None
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mappings = {bot.nick: self.nick, None: None}
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self.sender = mappings.get(target, target)
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class Bot(asynchat.async_chat):
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def __init__(self, nick, name, channels):
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asynchat.async_chat.__init__(self)
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self.set_terminator('\n')
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self.buffer = ''
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self.nick = nick
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self.user = nick
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self.name = name
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self.verbose = True
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self.channels = channels or []
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self.stack = []
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import threading
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self.sending = threading.RLock()
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def write(self, args, text=None):
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if text is not None:
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self.push(' '.join(args) + ' :' + text + '\r\n')
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else: self.push(' '.join(args) + '\r\n')
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def run(self, host, port=6667):
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self.initiate_connect(host, port)
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def initiate_connect(self, host, port):
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if self.verbose:
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message = 'Connecting to %s:%s...' % (host, port)
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print >> sys.stderr, message,
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self.create_socket(socket.AF_INET, socket.SOCK_STREAM)
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self.connect((host, port))
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asyncore.loop()
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def handle_connect(self):
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if self.verbose:
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print >> sys.stderr, 'connected!'
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self.write(('NICK', self.nick))
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self.write(('USER', self.user, '+iw', self.nick), self.name)
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def handle_close(self):
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self.close()
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print >> sys.stderr, 'Closed!'
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def collect_incoming_data(self, data):
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self.buffer += data
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def found_terminator(self):
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line = self.buffer
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if line.endswith('\r'):
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line = line[:-1]
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self.buffer = ''
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# print line
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if line.startswith(':'):
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source, line = line[1:].split(' ', 1)
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else: source = None
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if ' :' in line:
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argstr, text = line.split(' :', 1)
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else: argstr, text = line, ''
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args = argstr.split()
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origin = Origin(self, source, args)
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self.dispatch(origin, tuple([text] + args))
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if args[0] == 'PING':
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self.write(('PONG', text))
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def dispatch(self, origin, args):
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pass
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def msg(self, recipient, text):
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self.sending.acquire()
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# Cf. http://swhack.com/logs/2006-03-01#T19-43-25
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if isinstance(text, unicode):
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try: text = text.encode('utf-8')
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except UnicodeEncodeError, e:
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text = e.__class__ + ': ' + str(e)
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# No messages within the last 3 seconds? Go ahead!
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# Otherwise, wait so it's been at least 0.8 seconds + penalty
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if self.stack:
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elapsed = time.time() - self.stack[-1][0]
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if elapsed < 3:
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penalty = float(max(0, len(text) - 50)) / 70
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wait = 0.8 + penalty
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if elapsed < wait:
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time.sleep(wait - elapsed)
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# Loop detection
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messages = [m[1] for m in self.stack[-5:]]
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if messages.count(text) >= 3:
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text = '...'
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if messages.count('...') >= 1:
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self.sending.release()
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return
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self.write(('PRIVMSG', recipient), text)
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self.stack.append((time.time(), text))
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self.stack = self.stack[-10:]
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self.sending.release()
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def notice(self, dest, text):
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self.write(('NOTICE', dest), text)
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def error(self, origin):
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try:
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import traceback
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trace = traceback.format_exc()
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print trace
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lines = list(reversed(trace.splitlines()))
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report = [lines[0].strip()]
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for line in lines:
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line = line.strip()
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if line.startswith('File "/'):
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report.append(line[0].lower() + line[1:])
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break
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else: report.append('source unknown')
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self.msg(origin.sender, report[0] + ' (' + report[1] + ')')
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except: self.msg(origin.sender, "Got an error.")
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class TestBot(Bot):
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def f_ping(self, origin, match, args):
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delay = m.group(1)
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if delay is not None:
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import time
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time.sleep(int(delay))
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self.msg(origin.sender, 'pong (%s)' % delay)
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else: self.msg(origin.sender, 'pong')
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f_ping.rule = r'^\.ping(?:[ \t]+(\d+))?$'
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def main():
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# bot = TestBot('testbot', ['#d8uv.com'])
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# bot.run('irc.freenode.net')
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print __doc__
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if __name__=="__main__":
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main()
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