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125 lines
3.2 KiB
Python
Executable File
125 lines
3.2 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright (C) 2008 Stefan Hajnoczi <stefanha@gmail.com>.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of the
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# License, or any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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import re
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import socket
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import errcode
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HOST = 'irc.freenode.net'
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PORT = 6667
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NICK = 'gpxebot'
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CHAN = '#etherboot'
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NICKSERV_PASSWORD = None
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IDENT = 'gpxebot'
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REALNAME = 'gPXE bot'
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ERRCODE_RE = re.compile(r'(errcode|Error)\s+((0x)?[0-9a-fA-F]{8})')
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NO_ARGS = -1
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handlers = {}
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def nick_from_mask(mask):
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return (mask.find('!') > -1 and mask.split('!', 1)[0]) or mask
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def autojoin():
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del handlers['376']
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if NICKSERV_PASSWORD:
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pmsg('nickserv', 'identify %s' % NICKSERV_PASSWORD)
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if CHAN:
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cmd('JOIN %s' % CHAN)
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def ping(_, arg):
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cmd('PONG %s' % arg)
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def privmsg(_, target, msg):
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if target == CHAN:
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replyto = target
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if msg.find(NICK) == -1:
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return
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elif target == NICK:
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replyto = nick_from_mask(who)
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m = ERRCODE_RE.search(msg)
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if m:
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try:
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pmsg(replyto, str(errcode.Errcode(int(m.groups()[1], 16))))
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except ValueError:
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pass
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if msg.find('help') > -1:
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pmsg(replyto, 'I look up gPXE error codes. Message me like this:')
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pmsg(replyto, 'errcode 0x12345678 OR Error 0x12345678')
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def add_handler(command, handler, nargs):
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handlers[command] = (handler, nargs)
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def cmd(msg):
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sock.sendall('%s\r\n' % msg)
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def pmsg(target, msg):
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cmd('PRIVMSG %s :%s' % (target, msg))
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def dispatch(args):
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command = args[0]
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if command in handlers:
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h = handlers[command]
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if h[1] == NO_ARGS:
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h[0]()
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elif len(args) == h[1]:
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h[0](*args)
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def parse(line):
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if line[0] == ':':
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who, line = line.split(None, 1)
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who = who[1:]
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else:
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who = None
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args = []
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while line and line[0] != ':' and line.find(' ') != -1:
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fields = line.split(None, 1)
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if len(fields) == 1:
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fields.append(None)
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arg, line = fields
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args.append(arg)
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if line:
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if line[0] == ':':
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args.append(line[1:])
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else:
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args.append(line)
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return who, args
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add_handler('376', autojoin, NO_ARGS)
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add_handler('PING', ping, 2)
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add_handler('PRIVMSG', privmsg, 3)
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sock = socket.socket()
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sock.connect((HOST, PORT))
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cmd('NICK %s' % NICK)
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cmd('USER %s none none :%s' % (IDENT, REALNAME))
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rbuf = ''
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while True:
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r = sock.recv(4096)
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if not r:
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break
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rbuf += r
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while rbuf.find('\r\n') != -1:
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line, rbuf = rbuf.split('\r\n', 1)
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if not line:
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continue
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who, args = parse(line)
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dispatch(args)
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