1 # -*- coding: utf-8 -*-
3 # Copyright (C) 2007-2012 Thomas Perl <thp.io/about>
4 # Copyright (C) 2010, 2011 Anaƫl Verrier <elghinn@free.fr>
5 # Copyright (C) 2014, 2015, 2020 kaliko <kaliko@azylum.org>
7 # This program is free software: you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation, version 3 only.
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
27 def botcmd(*args, **kwargs):
28 """Decorator for bot command functions
30 :param bool hidden: is the command hidden in global help
31 :param str name: command name, default to decorated function name
34 def decorate(func, hidden=False, name=None):
35 setattr(func, '_bot_command', True)
36 setattr(func, '_bot_command_hidden', hidden)
37 setattr(func, '_bot_command_name', name or func.__name__)
38 if func.__doc__ is None:
43 return decorate(args[0], **kwargs)
45 return lambda func: decorate(func, **kwargs)
48 class MUCBot(slixmpp.ClientXMPP):
50 :param str jid: jid to log with
51 :param str password: jid password
52 :param str room: conference room to join
53 :param str nick: Nickname to use in the room
56 #: Class attribute to define bot's command prefix
61 def __init__(self, jid, password, room, nick, log_file=None,
62 log_level=logging.INFO):
63 super(MUCBot, self).__init__(jid, password)
65 # Clean sphinx autodoc for self documentation
68 self.log = logging.getLogger(__package__)
70 self.commands = dict()
73 self.__set_logger(log_file, log_level)
75 self.register_plugin('xep_0030') # Service Discovery
76 self.register_plugin('xep_0045') # Multi-User Chat
77 self.register_plugin('xep_0071') # xhtml-im
78 self.register_plugin('xep_0199') # self Ping
80 # The session_start event will be triggered when
81 # the bot establishes its connection with the server
82 # and the XML streams are ready for use. We want to
83 # listen for this event so that we we can initialize
85 self.add_event_handler('session_start', self.start)
87 # Handles MUC message and dispatch
88 self.add_event_handler('message', self.message)
89 self.add_event_handler('got_online', self._view)
91 # Discover bot internal command (ie. help)
92 for name, value in inspect.getmembers(self):
93 if inspect.ismethod(value) and getattr(value, '_bot_command', False):
94 name = getattr(value, '_bot_command_name')
95 self.log.debug('Registered command: %s', name)
96 self.commands[name] = value
98 def __set_logger(self, log_file=None, log_level=logging.INFO):
99 """Create console/file handler"""
100 log_fd = open(log_file, 'w') if log_file else None
101 chandler = logging.StreamHandler(log_fd)
102 formatter = logging.Formatter(
103 '%(asctime)s - %(name)s - %(levelname)s - %(message)s'
105 chandler.setFormatter(formatter)
106 self.log.addHandler(chandler)
107 self.log.setLevel(log_level)
108 self.log.debug('set logger, log level : %s', log_level)
110 def message(self, msg):
113 Parses message received to detect :py:obj:`prefix`
115 if msg['type'] not in ('groupchat', 'chat'):
116 self.log.warning('Unhandled message')
118 if msg['mucnick'] == self.nick:
120 body = msg['body'].strip()
121 if not body.startswith(MUCBot.prefix):
123 if msg['from'] not in self.__seen:
124 self.log.warning('Will not handle message from unseen jid: %s', msg['from'])
126 args = body[1:].split()
128 if cmd not in self.commands:
130 self.log.debug('cmd: %s', cmd)
132 self.log.debug('arg: %s', args)
134 self.commands[cmd](msg, args)
135 except Exception as err:
136 reply = ''.join(traceback.format_exc())
137 self.log.exception('An error occurred processing: %s: %s', body, reply)
138 if self.log.level < 10 and reply:
139 self.send_message(mto=msg['from'].bare, mbody=reply, mtype='groupchat')
141 def _view(self, pres):
142 """Track known nick"""
144 status = (pres['type'], pres['status'])
145 self.__seen.update({nick: status})
147 def start(self, event):
149 Process the session_start event.
151 Typical actions for the session_start event are
152 requesting the roster and broadcasting an initial
155 :param dict event: An empty dictionary. The session_start
156 event does not provide any additional data.
160 self.plugin['xep_0045'].join_muc(self.room,
162 # If a room password is needed, use:
163 # password=the_room_password,
166 :param `sid.plugin.Plugin` plugin_cls: A :py:obj:`sid.plugin.Plugin` class
168 self.plugins.append(plugin_cls(self))
169 for name, value in inspect.getmembers(self.plugins[-1]):
170 if inspect.ismethod(value) and getattr(value, '_bot_command',
172 name = getattr(value, '_bot_command_name')
173 self.log.debug('Registered command: %s', name)
174 self.commands[name] = value
176 def foreach_plugin(self, method, *args, **kwds):
177 for plugin in self.plugins:
178 self.log.debug('shuting down %s', plugin.__str__)
179 getattr(plugin, method)(*args, **kwds)
181 def shutdown_plugins(self):
182 # TODO: why can't use event session_end|disconnected?
183 self.log.info('shuting down')
184 for plugin in self.plugins:
185 self.log.debug('shuting down %s', plugin)
186 getattr(plugin, 'shutdown')()
189 def help(self, message, args):
190 """Returns a help string listing available options.
192 Automatically assigned to the "help" command."""
193 help_cmd = ('Type {}help <command name>'.format(self.prefix) +
194 ' to get more info about that specific command.\n\n'+
195 'SRC: http://git.kaliko.me/sid.git')
198 description = self.__doc__.strip()
200 description = 'Available commands:'
203 for name, cmd in self.commands.items():
204 if name == 'help' or cmd._bot_command_hidden:
206 doc = (cmd.__doc__.strip() or 'undocumented').split('\n', 1)[0]
207 cmd_list.append('{0}: {1}'.format(name, doc))
209 usage = '\n'.join(cmd_list)
210 usage = usage + '\n\n' + help_cmd
211 text = '{}\n\n{}'.format(description, usage)
213 if args[0] in self.commands.keys():
214 text = self.commands[args[0]].__doc__ or 'undocumented'
215 text = inspect.cleandoc(text)
217 text = 'That command is not defined.'
218 if message['type'] == 'groupchat':
219 to = message['from'].bare
222 self.send_message(mto=to, mbody=text, mtype=message['type'])