bot.py

   1 #!/usr/bin/python
   2
   3 #TODO: error checking
   4
   5 import socket, sys
   6
   7 #bots = {'erebus': bot.Bot(nick='Erebus', user='erebus', bind='', server='irc.quakenet.org', port=6667, realname='Erebus')}
   8 class Bot(object):
   9         def __init__(self, parent, nick, user, bind, server, port, realname, chans):
  10                 self.parent = parent
  11                 self.nick = nick
  12                 self.chans = chans
  13
  14                 self.conn = BotConnection(self, nick, user, bind, server, port, realname)
  15         def connect(self):
  16                 if self.conn.connect():
  17                         self.parent.newfd(self, self.conn.socket.fileno())
  18
  19         def getdata(self):
  20                 for line in self.conn.read():
  21                         print self.nick, '[I]', line
  22
  23                         if not self.conn.registered():
  24                                 pieces = line.split()
  25
  26                                 if pieces[0] == "PING":
  27                                         self.conn.send("PONG %s" % (pieces[1]))
  28
  29                                 elif pieces[1] == "001":
  30                                         self.conn.registered(True)
  31
  32                                         for c in self.chans:
  33                                                 self.join(c)
  34                         else:
  35                                 self.parse(line)
  36         def parse(self, line):
  37                 pieces = line.split()
  38
  39                 if pieces[1] == "PRIVMSG":
  40                         nick = pieces[0].split('!')[0][1:]
  41                         user = self.parent.user(nick)
  42                         chan = self.parent.channel(pieces[2])
  43                         msg = ' '.join(pieces[3:])[1:]
  44                         self.parsemsg(user, chan, msg)
  45
  46                 elif pieces[0] == "PING":
  47                         self.conn.send("PONG %s" % (pieces[1]))
  48
  49                 elif pieces[1] == "JOIN":
  50                         nick = pieces[0].split('!')[0][1:]
  51                         user = self.parent.user(nick)
  52                         chan = self.parent.channel(pieces[2]) #TODO TODO TODO
  53
  54         def parsemsg(self, user, chan, msg):
  55                 if msg[0] == '!': #TODO check config for trigger
  56                         msg = msg[1:]
  57
  58                 else:
  59                         return
  60
  61                 pieces = msg.split()
  62                 cmd = pieces[0].upper()
  63
  64                 if cmd == "EVAL":
  65                         try: ret = eval(' '.join(pieces[1:]))
  66                         except: self.msg(chan, "Error: %s %s" % (sys.exc_info()[0], sys.exc_info()[1]))
  67                         else: self.msg(chan, "Done: %r" % (ret))
  68
  69                 elif cmd == "EXEC":
  70                         try: exec ' '.join(pieces[1:])
  71                         except: self.msg(chan, "Error: %s %s" % (sys.exc_info()[0], sys.exc_info()[1]))
  72                         else: self.msg(chan, "Done.")
  73
  74                 #TODO
  75
  76         def msg(self, target, msg):
  77                 if isinstance(target, self.parent.User): self.conn.send("NOTICE %s :%s" % (target.nick, msg))
  78                 elif isinstance(target, self.parent.Channel): self.conn.send("PRIVMSG %s :%s" % (target.name, msg))
  79                 elif isinstance(target, basestring):
  80                         if target[0] == '#': self.conn.send("PRIVMSG %s :%s" % (target, msg))
  81                         else: self.conn.send("NOTICE %s :%s" % (target, msg))
  82                 else: raise TypeError('Bot.msg() "target" must be Erebus.User, Erebus.Channel, or string')
  83
  84         def join(self, chan):
  85                 self.conn.send("JOIN %s" % (chan))
  86
  87         def part(self, chan):
  88                 self.conn.send("PART %s" % (chan))
  89
  90         def quit(self, reason="Shutdown"):
  91                 self.conn.send("QUIT :%s" % (reason))
  92
  93 class BotConnection(object):
  94         state = 0 # 0=disconnected, 1=registering, 2=connected
  95
  96         def __init__(self, parent, nick, user, bind, server, port, realname):
  97                 self.parent = parent
  98                 self.buffer = ''
  99                 self.socket = None
 100
 101                 self.nick = nick
 102                 self.user = user
 103                 self.bind = bind
 104                 self.server = server
 105                 self.port = int(port)
 106                 self.realname = realname
 107
 108         def connect(self):
 109                 self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
 110                 self.socket.bind((self.bind, 0))
 111                 self.socket.connect((self.server, self.port))
 112                 self.send("NICK %s" % (self.nick))
 113                 self.send("USER %s 0 * :%s" % (self.user, self.realname))
 114                 self.state = 1
 115                 return True
 116
 117         def registered(self, done=False):
 118                 if done: self.state = 2
 119                 return self.state == 2
 120
 121         #TODO: rewrite send() to queue
 122         def send(self, line):
 123                 print self.nick, '[O]', line
 124                 self.write(line)
 125
 126         def write(self, line):
 127                 self.socket.sendall(line+"\r\n")
 128
 129         def read(self):
 130                 self.buffer += self.socket.recv(8192)
 131                 lines = []
 132
 133                 while '\r\n' in self.buffer:
 134                         pieces = self.buffer.split('\r\n', 1)
 135                         lines.append(pieces[0])
 136                         self.buffer = pieces[1]
 137
 138                 return lines