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annotate src/plugins/plugin_misc_text_commands.py @ 926:d609581bf74a

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plugin text commands: refactoring, text now only contain main commands, and other plugin can add commands themselve: - registerTextCommands can be called by a plugin in its __init__ method, it looks for methods starting with "cmd_" and register them as new commands - addWhoIsCb: add a callback to /whois command, the callback can complete whois informations - plugins parrot, XEP-0045 and XEP-0092 now manage their own commands
author Goffi <goffi@goffi.org>
date Mon, 24 Mar 2014 10:57:15 +0100
parents c897c8d321b3
children cd150dd947e3
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rev   line source
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1 #!/usr/bin/python
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2 # -*- coding: utf-8 -*-
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3
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4 # SàT plugin for managing text commands
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5 # Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014 Jérôme Poisson (goffi@goffi.org)
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6
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20 from sat.core.i18n import _
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21 from sat.core.constants import Const as C
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22 from sat.core.sat_main import MessageSentAndStored
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23 from twisted.words.protocols.jabber import jid
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24 from twisted.internet import defer
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25 from twisted.python.failure import Failure
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26 from logging import debug, info, warning, error
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27
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28 PLUGIN_INFO = {
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29 "name": "Text commands",
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30 "import_name": C.TEXT_CMDS,
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31 "type": "Misc",
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32 "protocols": [],
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33 "dependencies": [],
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34 "main": "TextCommands",
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35 "handler": "no",
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36 "description": _("""IRC like text commands""")
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37 }
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38
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39
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40 class TextCommands(object):
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41 #FIXME: doc strings for commands have to be translatable
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42 # plugins need a dynamic translation system (translation
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43 # should be downloadable independently)
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44
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45 def __init__(self, host):
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46 info(_("Text commands initialization"))
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47 self.host = host
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48 host.trigger.add("sendMessage", self.sendMessageTrigger)
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49 self._commands = {}
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50 self._whois = []
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51 self.registerTextCommands(self)
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52
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53 def registerTextCommands(self, instance):
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54 """ Add a text command
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55 @param instance: instance of a class containing text commands
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56
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57 """
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58 for attr in dir(instance):
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59 if attr.startswith('cmd_'):
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60 cmd = getattr(instance, attr)
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61 if not callable(cmd):
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62 warning(_("Skipping not callable [%s] attribute") % attr)
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63 continue
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64 cmd_name = attr[4:]
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65 if not cmd_name:
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66 warning(_("Skipping cmd_ method"))
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67 if cmd_name in self._commands:
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68 suff=2
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69 while (cmd_name + suff) in self._commands:
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70 suff+=1
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71 new_name = cmd_name + suff
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72 warning(_("Conflict for command [%(old_name)s], renaming it to [%(new_name)s]") % {'old_name': cmd_name, 'new_name': new_name})
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73 cmd_name = new_name
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74 self._commands[cmd_name] = cmd
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75 info(_("Registered text command [%s]") % cmd_name)
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76
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77 def addWhoIsCb(self, callback, priority=0):
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78 """Add a callback which give information to the /whois command
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79 @param callback: a callback which will be called with the following arguments
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80 - whois_msg: list of information strings to display, callback need to append its own strings to it
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81 - target_jid: full jid from who we want informations
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82 - profile: %(doc_profile)s
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83 @param priority: priority of the information to show (the highest priority will be displayed first)
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84
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85 """
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86 self._whois.append((priority, callback))
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87 self._whois.sort(key=lambda item: item[0])
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88
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89 def sendMessageTrigger(self, mess_data, pre_xml_treatments, post_xml_treatments, profile):
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90 """ Install SendMessage command hook """
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91 pre_xml_treatments.addCallback(self._sendMessageCmdHook, profile)
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92 return True
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93
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94 def _sendMessageCmdHook(self, mess_data, profile):
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95 """ Check text commands in message, and react consequently
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96 msg starting with / are potential command. If a command is found, it is executed, else message is sent normally
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97 msg starting with // are escaped: they are sent with a single /
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98 commands can abord message sending (if they return anything evaluating to False), or continue it (if they return True), eventually after modifying the message
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99 an "unparsed" key is added to message, containing part of the message not yet parsed
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100 commands can be deferred or not
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101
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102 """
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103 msg = mess_data["message"]
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104 try:
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105 if msg[:2] == '//':
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106 # we have a double '/', it's the escape sequence
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107 mess_data["message"] = msg[1:]
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108 return mess_data
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109 if msg[0] != '/':
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110 return mess_data
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111 except IndexError:
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112 return mess_data
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113
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114 # we have a command
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115 d = None
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116 command = msg[1:].partition(' ')[0].lower()
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117 if command.isalpha():
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118 # looks like an actual command, we try to call the corresponding method
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119 def retHandling(ret):
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120 """ Handle command return value:
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121 if ret is True, normally send message (possibly modified by command)
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122 else, abord message sending
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123
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Goffi <goffi@goffi.org>
parents: 811
diff changeset
124 """
8dd168c7741c plugin text commands: refactoring:
Goffi <goffi@goffi.org>
parents: 811
diff changeset
125 if ret:
8dd168c7741c plugin text commands: refactoring:
Goffi <goffi@goffi.org>
parents: 811
diff changeset
126 return mess_data
8dd168c7741c plugin text commands: refactoring:
Goffi <goffi@goffi.org>
parents: 811
diff changeset
127 else:
8dd168c7741c plugin text commands: refactoring:
Goffi <goffi@goffi.org>
parents: 811
diff changeset
128 return Failure(MessageSentAndStored("text commands took over", mess_data))
8dd168c7741c plugin text commands: refactoring:
Goffi <goffi@goffi.org>
parents: 811
diff changeset
129
8dd168c7741c plugin text commands: refactoring:
Goffi <goffi@goffi.org>
parents: 811
diff changeset
130 try:
8dd168c7741c plugin text commands: refactoring:
Goffi <goffi@goffi.org>
parents: 811
diff changeset
131 mess_data["unparsed"] = msg[1 + len(command):] # part not yet parsed of the message
926
d609581bf74a plugin text commands: refactoring, text now only contain main commands, and other plugin can add commands themselve:
Goffi <goffi@goffi.org>
parents: 922
diff changeset
132 d = defer.maybeDeferred(self._commands[command], mess_data, profile)
921
8dd168c7741c plugin text commands: refactoring:
Goffi <goffi@goffi.org>
parents: 811
diff changeset
133 d.addCallback(retHandling)
926
d609581bf74a plugin text commands: refactoring, text now only contain main commands, and other plugin can add commands themselve:
Goffi <goffi@goffi.org>
parents: 922
diff changeset
134 except KeyError:
921
8dd168c7741c plugin text commands: refactoring:
Goffi <goffi@goffi.org>
parents: 811
diff changeset
135 pass
8dd168c7741c plugin text commands: refactoring:
Goffi <goffi@goffi.org>
parents: 811
diff changeset
136
8dd168c7741c plugin text commands: refactoring:
Goffi <goffi@goffi.org>
parents: 811
diff changeset
137 return d or mess_data # if a command is detected, we should have a deferred, else be send the message normally
506
2e43c74815ad plugin text commands: Text commands is a new plugin that bring IRC-like commands
Goffi <goffi@goffi.org>
parents:
diff changeset
138
926
d609581bf74a plugin text commands: refactoring, text now only contain main commands, and other plugin can add commands themselve:
Goffi <goffi@goffi.org>
parents: 922
diff changeset
139 def getRoomJID(self, arg, service_jid):
508
7c6609dddb2c plugin text commands: /leave management:
Goffi <goffi@goffi.org>
parents: 506
diff changeset
140 """Return a room jid with a shortcut
7c6609dddb2c plugin text commands: /leave management:
Goffi <goffi@goffi.org>
parents: 506
diff changeset
141 @param arg: argument: can be a full room jid (e.g.: sat@chat.jabberfr.org)
7c6609dddb2c plugin text commands: /leave management:
Goffi <goffi@goffi.org>
parents: 506
diff changeset
142 or a shortcut (e.g.: sat or sat@ for sat on current service)
7c6609dddb2c plugin text commands: /leave management:
Goffi <goffi@goffi.org>
parents: 506
diff changeset
143 @param service_jid: jid of the current service (e.g.: chat.jabberfr.org)
7c6609dddb2c plugin text commands: /leave management:
Goffi <goffi@goffi.org>
parents: 506
diff changeset
144 """
7c6609dddb2c plugin text commands: /leave management:
Goffi <goffi@goffi.org>
parents: 506
diff changeset
145 nb_arobas = arg.count('@')
7c6609dddb2c plugin text commands: /leave management:
Goffi <goffi@goffi.org>
parents: 506
diff changeset
146 if nb_arobas == 1:
594
e629371a28d3 Fix pep8 support in src/plugins.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
147 if arg[-1] != '@':
508
7c6609dddb2c plugin text commands: /leave management:
Goffi <goffi@goffi.org>
parents: 506
diff changeset
148 return jid.JID(arg)
594
e629371a28d3 Fix pep8 support in src/plugins.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
149 return jid.JID(arg + service_jid)
508
7c6609dddb2c plugin text commands: /leave management:
Goffi <goffi@goffi.org>
parents: 506
diff changeset
150 return jid.JID(u"%s@%s" % (arg, service_jid))
506
2e43c74815ad plugin text commands: Text commands is a new plugin that bring IRC-like commands
Goffi <goffi@goffi.org>
parents:
diff changeset
151
926
d609581bf74a plugin text commands: refactoring, text now only contain main commands, and other plugin can add commands themselve:
Goffi <goffi@goffi.org>
parents: 922
diff changeset
152 def feedBack(self, message, mess_data, profile):
523
24c0d51449e7 plugin text commands: added _feedback method to send an answer to user
Goffi <goffi@goffi.org>
parents: 519
diff changeset
153 """Give a message back to the user"""
24c0d51449e7 plugin text commands: added _feedback method to send an answer to user
Goffi <goffi@goffi.org>
parents: 519
diff changeset
154 if mess_data["type"] == 'groupchat':
24c0d51449e7 plugin text commands: added _feedback method to send an answer to user
Goffi <goffi@goffi.org>
parents: 519
diff changeset
155 _from = mess_data["to"].userhostJID()
24c0d51449e7 plugin text commands: added _feedback method to send an answer to user
Goffi <goffi@goffi.org>
parents: 519
diff changeset
156 else:
24c0d51449e7 plugin text commands: added _feedback method to send an answer to user
Goffi <goffi@goffi.org>
parents: 519
diff changeset
157 _from = self.host.getJidNStream(profile)[0]
24c0d51449e7 plugin text commands: added _feedback method to send an answer to user
Goffi <goffi@goffi.org>
parents: 519
diff changeset
158
24c0d51449e7 plugin text commands: added _feedback method to send an answer to user
Goffi <goffi@goffi.org>
parents: 519
diff changeset
159 self.host.bridge.newMessage(unicode(mess_data["to"]), message, mess_data['type'], unicode(_from), {}, profile=profile)
24c0d51449e7 plugin text commands: added _feedback method to send an answer to user
Goffi <goffi@goffi.org>
parents: 519
diff changeset
160
600
c5451501465b plugin text commands: basic /whois command (just show jid so far)
Goffi <goffi@goffi.org>
parents: 594
diff changeset
161 def cmd_whois(self, mess_data, profile):
c5451501465b plugin text commands: basic /whois command (just show jid so far)
Goffi <goffi@goffi.org>
parents: 594
diff changeset
162 """show informations on entity"""
c5451501465b plugin text commands: basic /whois command (just show jid so far)
Goffi <goffi@goffi.org>
parents: 594
diff changeset
163 debug("Catched whois command")
698
d731ae066158 core: sendMessage's options parameter has been renamed to extra to be consistent with newMessage
Goffi <goffi@goffi.org>
parents: 697
diff changeset
164
600
c5451501465b plugin text commands: basic /whois command (just show jid so far)
Goffi <goffi@goffi.org>
parents: 594
diff changeset
165 entity = mess_data["unparsed"].strip()
698
d731ae066158 core: sendMessage's options parameter has been renamed to extra to be consistent with newMessage
Goffi <goffi@goffi.org>
parents: 697
diff changeset
166
600
c5451501465b plugin text commands: basic /whois command (just show jid so far)
Goffi <goffi@goffi.org>
parents: 594
diff changeset
167 if mess_data['type'] == "groupchat":
c5451501465b plugin text commands: basic /whois command (just show jid so far)
Goffi <goffi@goffi.org>
parents: 594
diff changeset
168 room = mess_data["to"]
c5451501465b plugin text commands: basic /whois command (just show jid so far)
Goffi <goffi@goffi.org>
parents: 594
diff changeset
169 if self.host.plugins["XEP-0045"].isNickInRoom(room, entity, profile):
c5451501465b plugin text commands: basic /whois command (just show jid so far)
Goffi <goffi@goffi.org>
parents: 594
diff changeset
170 entity = u"%s/%s" % (room, entity)
698
d731ae066158 core: sendMessage's options parameter has been renamed to extra to be consistent with newMessage
Goffi <goffi@goffi.org>
parents: 697
diff changeset
171
600
c5451501465b plugin text commands: basic /whois command (just show jid so far)
Goffi <goffi@goffi.org>
parents: 594
diff changeset
172 if not entity:
c5451501465b plugin text commands: basic /whois command (just show jid so far)
Goffi <goffi@goffi.org>
parents: 594
diff changeset
173 target_jid = mess_data["to"]
698
d731ae066158 core: sendMessage's options parameter has been renamed to extra to be consistent with newMessage
Goffi <goffi@goffi.org>
parents: 697
diff changeset
174 else:
600
c5451501465b plugin text commands: basic /whois command (just show jid so far)
Goffi <goffi@goffi.org>
parents: 594
diff changeset
175 try:
c5451501465b plugin text commands: basic /whois command (just show jid so far)
Goffi <goffi@goffi.org>
parents: 594
diff changeset
176 target_jid = jid.JID(entity)
c5451501465b plugin text commands: basic /whois command (just show jid so far)
Goffi <goffi@goffi.org>
parents: 594
diff changeset
177 if not target_jid.user or not target_jid.host:
c5451501465b plugin text commands: basic /whois command (just show jid so far)
Goffi <goffi@goffi.org>
parents: 594
diff changeset
178 raise jid.InvalidFormat
c5451501465b plugin text commands: basic /whois command (just show jid so far)
Goffi <goffi@goffi.org>
parents: 594
diff changeset
179 except (jid.InvalidFormat, RuntimeError):
926
d609581bf74a plugin text commands: refactoring, text now only contain main commands, and other plugin can add commands themselve:
Goffi <goffi@goffi.org>
parents: 922
diff changeset
180 self.feedBack(_("Invalid jid, can't whois"), mess_data, profile)
600
c5451501465b plugin text commands: basic /whois command (just show jid so far)
Goffi <goffi@goffi.org>
parents: 594
diff changeset
181 return False
c5451501465b plugin text commands: basic /whois command (just show jid so far)
Goffi <goffi@goffi.org>
parents: 594
diff changeset
182
921
8dd168c7741c plugin text commands: refactoring:
Goffi <goffi@goffi.org>
parents: 811
diff changeset
183 if not target_jid.resource:
8dd168c7741c plugin text commands: refactoring:
Goffi <goffi@goffi.org>
parents: 811
diff changeset
184 target_jid.resource = self.host.memory.getLastResource(target_jid, profile)
8dd168c7741c plugin text commands: refactoring:
Goffi <goffi@goffi.org>
parents: 811
diff changeset
185
600
c5451501465b plugin text commands: basic /whois command (just show jid so far)
Goffi <goffi@goffi.org>
parents: 594
diff changeset
186 whois_msg = [_(u"whois for %(jid)s") % {'jid': target_jid}]
698
d731ae066158 core: sendMessage's options parameter has been renamed to extra to be consistent with newMessage
Goffi <goffi@goffi.org>
parents: 697
diff changeset
187
926
d609581bf74a plugin text commands: refactoring, text now only contain main commands, and other plugin can add commands themselve:
Goffi <goffi@goffi.org>
parents: 922
diff changeset
188 d = defer.succeed(None)
d609581bf74a plugin text commands: refactoring, text now only contain main commands, and other plugin can add commands themselve:
Goffi <goffi@goffi.org>
parents: 922
diff changeset
189 for ignore, callback in self._whois:
d609581bf74a plugin text commands: refactoring, text now only contain main commands, and other plugin can add commands themselve:
Goffi <goffi@goffi.org>
parents: 922
diff changeset
190 d.addCallback(lambda ignore: callback(whois_msg, target_jid, profile))
921
8dd168c7741c plugin text commands: refactoring:
Goffi <goffi@goffi.org>
parents: 811
diff changeset
191
8dd168c7741c plugin text commands: refactoring:
Goffi <goffi@goffi.org>
parents: 811
diff changeset
192 def feedBack(ignore):
926
d609581bf74a plugin text commands: refactoring, text now only contain main commands, and other plugin can add commands themselve:
Goffi <goffi@goffi.org>
parents: 922
diff changeset
193 self.feedBack(u"\n".join(whois_msg), mess_data, profile)
921
8dd168c7741c plugin text commands: refactoring:
Goffi <goffi@goffi.org>
parents: 811
diff changeset
194 return False
8dd168c7741c plugin text commands: refactoring:
Goffi <goffi@goffi.org>
parents: 811
diff changeset
195
8dd168c7741c plugin text commands: refactoring:
Goffi <goffi@goffi.org>
parents: 811
diff changeset
196 d.addCallback(feedBack)
8dd168c7741c plugin text commands: refactoring:
Goffi <goffi@goffi.org>
parents: 811
diff changeset
197 return d
600
c5451501465b plugin text commands: basic /whois command (just show jid so far)
Goffi <goffi@goffi.org>
parents: 594
diff changeset
198
517
59b32c04e105 plugin text commands: added /help command
Goffi <goffi@goffi.org>
parents: 515
diff changeset
199 def cmd_help(self, mess_data, profile):
59b32c04e105 plugin text commands: added /help command
Goffi <goffi@goffi.org>
parents: 515
diff changeset
200 """show help on available commands"""
594
e629371a28d3 Fix pep8 support in src/plugins.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
201 commands = filter(lambda method: method.startswith('cmd_'), dir(self))
517
59b32c04e105 plugin text commands: added /help command
Goffi <goffi@goffi.org>
parents: 515
diff changeset
202 longuest = max([len(command) for command in commands])
59b32c04e105 plugin text commands: added /help command
Goffi <goffi@goffi.org>
parents: 515
diff changeset
203 help_cmds = []
587
952322b1d490 Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 572
diff changeset
204
926
d609581bf74a plugin text commands: refactoring, text now only contain main commands, and other plugin can add commands themselve:
Goffi <goffi@goffi.org>
parents: 922
diff changeset
205 for command in self._commands:
d609581bf74a plugin text commands: refactoring, text now only contain main commands, and other plugin can add commands themselve:
Goffi <goffi@goffi.org>
parents: 922
diff changeset
206 method = self._commands[command]
517
59b32c04e105 plugin text commands: added /help command
Goffi <goffi@goffi.org>
parents: 515
diff changeset
207 try:
59b32c04e105 plugin text commands: added /help command
Goffi <goffi@goffi.org>
parents: 515
diff changeset
208 help_str = method.__doc__.split('\n')[0]
59b32c04e105 plugin text commands: added /help command
Goffi <goffi@goffi.org>
parents: 515
diff changeset
209 except AttributeError:
59b32c04e105 plugin text commands: added /help command
Goffi <goffi@goffi.org>
parents: 515
diff changeset
210 help_str = ''
59b32c04e105 plugin text commands: added /help command
Goffi <goffi@goffi.org>
parents: 515
diff changeset
211 spaces = (longuest - len(command)) * ' '
926
d609581bf74a plugin text commands: refactoring, text now only contain main commands, and other plugin can add commands themselve:
Goffi <goffi@goffi.org>
parents: 922
diff changeset
212 help_cmds.append(" /%s: %s %s" % (command, spaces, help_str))
517
59b32c04e105 plugin text commands: added /help command
Goffi <goffi@goffi.org>
parents: 515
diff changeset
213
594
e629371a28d3 Fix pep8 support in src/plugins.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
214 help_mess = _(u"Text commands available:\n%s") % (u'\n'.join(help_cmds), )
926
d609581bf74a plugin text commands: refactoring, text now only contain main commands, and other plugin can add commands themselve:
Goffi <goffi@goffi.org>
parents: 922
diff changeset
215 self.feedBack(help_mess, mess_data, profile)