-
Notifications
You must be signed in to change notification settings - Fork 2
/
ircbot.py
438 lines (356 loc) · 12.9 KB
/
ircbot.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
# Copyright (C) 1999--2002 Joel Rosdahl
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Joel Rosdahl <joel@rosdahl.net>
#
# $Id: ircbot.py,v 1.23 2008/09/11 07:38:30 keltus Exp $
"""ircbot -- Simple IRC bot library.
This module contains a single-server IRC bot class that can be used to
write simpler bots.
"""
import sys
from UserDict import UserDict
from irclib import SimpleIRCClient
from irclib import nm_to_n, irc_lower, all_events
from irclib import parse_channel_modes, is_channel
from irclib import ServerConnectionError
class SingleServerIRCBot(SimpleIRCClient):
"""A single-server IRC bot class.
The bot tries to reconnect if it is disconnected.
The bot keeps track of the channels it has joined, the other
clients that are present in the channels and which of those that
have operator or voice modes. The "database" is kept in the
self.channels attribute, which is an IRCDict of Channels.
"""
def __init__(self, server_list, nickname, realname, reconnection_interval=60):
"""Constructor for SingleServerIRCBot objects.
Arguments:
server_list -- A list of tuples (server, port) that
defines which servers the bot should try to
connect to.
nickname -- The bot's nickname.
realname -- The bot's realname.
reconnection_interval -- How long the bot should wait
before trying to reconnect.
dcc_connections -- A list of initiated/accepted DCC
connections.
"""
SimpleIRCClient.__init__(self)
self.channels = IRCDict()
self.server_list = server_list
if not reconnection_interval or reconnection_interval < 0:
reconnection_interval = 2**31
self.reconnection_interval = reconnection_interval
self._nickname = nickname
self._realname = realname
for i in ["disconnect", "join", "kick", "mode",
"namreply", "nick", "part", "quit"]:
self.connection.add_global_handler(i,
getattr(self, "_on_" + i),
-10)
def _connected_checker(self):
"""[Internal]"""
if not self.connection.is_connected():
self.connection.execute_delayed(self.reconnection_interval,
self._connected_checker)
self.jump_server()
def _connect(self):
"""[Internal]"""
password = None
if len(self.server_list[0]) > 2:
password = self.server_list[0][2]
try:
self.connect(self.server_list[0][0],
self.server_list[0][1],
self._nickname,
password,
ircname=self._realname)
except ServerConnectionError:
pass
def _on_disconnect(self, c, e):
"""[Internal]"""
self.channels = IRCDict()
self.connection.execute_delayed(self.reconnection_interval,
self._connected_checker)
def _on_join(self, c, e):
"""[Internal]"""
ch = e.target()
nick = nm_to_n(e.source())
if nick == c.get_nickname():
self.channels[ch] = Channel()
self.channels[ch].add_user(nick)
def _on_kick(self, c, e):
"""[Internal]"""
nick = e.arguments()[0]
channel = e.target()
if nick == c.get_nickname():
del self.channels[channel]
else:
self.channels[channel].remove_user(nick)
def _on_mode(self, c, e):
"""[Internal]"""
modes = parse_channel_modes(" ".join(e.arguments()))
t = e.target()
if is_channel(t):
ch = self.channels[t]
for mode in modes:
if mode[0] == "+":
f = ch.set_mode
else:
f = ch.clear_mode
f(mode[1], mode[2])
else:
# Mode on self... XXX
pass
def _on_namreply(self, c, e):
"""[Internal]"""
# e.arguments()[0] == "@" for secret channels,
# "*" for private channels,
# "=" for others (public channels)
# e.arguments()[1] == channel
# e.arguments()[2] == nick list
ch = e.arguments()[1]
for nick in e.arguments()[2].split():
if nick[0] == "@":
nick = nick[1:]
self.channels[ch].set_mode("o", nick)
elif nick[0] == "+":
nick = nick[1:]
self.channels[ch].set_mode("v", nick)
self.channels[ch].add_user(nick)
def _on_nick(self, c, e):
"""[Internal]"""
before = nm_to_n(e.source())
after = e.target()
for ch in self.channels.values():
if ch.has_user(before):
ch.change_nick(before, after)
def _on_part(self, c, e):
"""[Internal]"""
nick = nm_to_n(e.source())
channel = e.target()
if nick == c.get_nickname():
del self.channels[channel]
else:
self.channels[channel].remove_user(nick)
def _on_quit(self, c, e):
"""[Internal]"""
nick = nm_to_n(e.source())
for ch in self.channels.values():
if ch.has_user(nick):
ch.remove_user(nick)
def die(self, msg="Bye, cruel world!"):
"""Let the bot die.
Arguments:
msg -- Quit message.
"""
self.connection.disconnect(msg)
sys.exit(0)
def disconnect(self, msg="I'll be back!"):
"""Disconnect the bot.
The bot will try to reconnect after a while.
Arguments:
msg -- Quit message.
"""
self.connection.disconnect(msg)
def get_version(self):
"""Returns the bot version.
Used when answering a CTCP VERSION request.
"""
return "ircbot.py by Joel Rosdahl <joel@rosdahl.net>"
def jump_server(self, msg="Changing servers"):
"""Connect to a new server, possibly disconnecting from the current.
The bot will skip to next server in the server_list each time
jump_server is called.
"""
if self.connection.is_connected():
self.connection.disconnect(msg)
self.server_list.append(self.server_list.pop(0))
self._connect()
def on_ctcp(self, c, e):
"""Default handler for ctcp events.
Replies to VERSION and PING requests and relays DCC requests
to the on_dccchat method.
"""
if e.arguments()[0] == "VERSION":
c.ctcp_reply(nm_to_n(e.source()),
"VERSION " + self.get_version())
elif e.arguments()[0] == "PING":
if len(e.arguments()) > 1:
c.ctcp_reply(nm_to_n(e.source()),
"PING " + e.arguments()[1])
elif e.arguments()[0] == "DCC" and e.arguments()[1].split(" ", 1)[0] == "CHAT":
self.on_dccchat(c, e)
def on_dccchat(self, c, e):
pass
def start(self):
"""Start the bot."""
self._connect()
SimpleIRCClient.start(self)
class IRCDict:
"""A dictionary suitable for storing IRC-related things.
Dictionary keys a and b are considered equal if and only if
irc_lower(a) == irc_lower(b)
Otherwise, it should behave exactly as a normal dictionary.
"""
def __init__(self, dict=None):
self.data = {}
self.canon_keys = {} # Canonical keys
if dict is not None:
self.update(dict)
def __repr__(self):
return repr(self.data)
def __cmp__(self, dict):
if isinstance(dict, IRCDict):
return cmp(self.data, dict.data)
else:
return cmp(self.data, dict)
def __len__(self):
return len(self.data)
def __getitem__(self, key):
return self.data[self.canon_keys[irc_lower(key)]]
def __setitem__(self, key, item):
if key in self:
del self[key]
self.data[key] = item
self.canon_keys[irc_lower(key)] = key
def __delitem__(self, key):
ck = irc_lower(key)
del self.data[self.canon_keys[ck]]
del self.canon_keys[ck]
def __iter__(self):
return iter(self.data)
def __contains__(self, key):
return self.has_key(key)
def clear(self):
self.data.clear()
self.canon_keys.clear()
def copy(self):
if self.__class__ is UserDict:
return UserDict(self.data)
import copy
return copy.copy(self)
def keys(self):
return self.data.keys()
def items(self):
return self.data.items()
def values(self):
return self.data.values()
def has_key(self, key):
return irc_lower(key) in self.canon_keys
def update(self, dict):
for k, v in dict.items():
self.data[k] = v
def get(self, key, failobj=None):
return self.data.get(key, failobj)
class Channel:
"""A class for keeping information about an IRC channel.
This class can be improved a lot.
"""
def __init__(self):
self.userdict = IRCDict()
self.operdict = IRCDict()
self.voiceddict = IRCDict()
self.modes = {}
def users(self):
"""Returns an unsorted list of the channel's users."""
return self.userdict.keys()
def opers(self):
"""Returns an unsorted list of the channel's operators."""
return self.operdict.keys()
def voiced(self):
"""Returns an unsorted list of the persons that have voice
mode set in the channel."""
return self.voiceddict.keys()
def has_user(self, nick):
"""Check whether the channel has a user."""
return nick in self.userdict
def is_oper(self, nick):
"""Check whether a user has operator status in the channel."""
return nick in self.operdict
def is_voiced(self, nick):
"""Check whether a user has voice mode set in the channel."""
return nick in self.voiceddict
def add_user(self, nick):
self.userdict[nick] = 1
def remove_user(self, nick):
for d in self.userdict, self.operdict, self.voiceddict:
if nick in d:
del d[nick]
def change_nick(self, before, after):
self.userdict[after] = 1
del self.userdict[before]
if before in self.operdict:
self.operdict[after] = 1
del self.operdict[before]
if before in self.voiceddict:
self.voiceddict[after] = 1
del self.voiceddict[before]
def set_mode(self, mode, value=None):
"""Set mode on the channel.
Arguments:
mode -- The mode (a single-character string).
value -- Value
"""
if mode == "o":
self.operdict[value] = 1
elif mode == "v":
self.voiceddict[value] = 1
else:
self.modes[mode] = value
def clear_mode(self, mode, value=None):
"""Clear mode on the channel.
Arguments:
mode -- The mode (a single-character string).
value -- Value
"""
try:
if mode == "o":
del self.operdict[value]
elif mode == "v":
del self.voiceddict[value]
else:
del self.modes[mode]
except KeyError:
pass
def has_mode(self, mode):
return mode in self.modes
def is_moderated(self):
return self.has_mode("m")
def is_secret(self):
return self.has_mode("s")
def is_protected(self):
return self.has_mode("p")
def has_topic_lock(self):
return self.has_mode("t")
def is_invite_only(self):
return self.has_mode("i")
def has_allow_external_messages(self):
return self.has_mode("n")
def has_limit(self):
return self.has_mode("l")
def limit(self):
if self.has_limit():
return self.modes[l]
else:
return None
def has_key(self):
return self.has_mode("k")
def key(self):
if self.has_key():
return self.modes["k"]
else:
return None