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comparison src/plugins/plugin_xep_0092.py @ 920:45dffd67a18a

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plugin XEP-0092: new plugin (software version)
author Goffi <goffi@goffi.org>
date Sat, 22 Mar 2014 13:44:33 +0100
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children d609581bf74a
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919:ed9841e6d84a 920:45dffd67a18a
1 #!/usr/bin/python
2 # -*- coding: utf-8 -*-
3
4 # SàT plugin for Software Version (XEP-0092)
5 # Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014 Jérôme Poisson (goffi@goffi.org)
6
7 # This program is free software: you can redistribute it and/or modify
8 # it under the terms of the GNU Affero General Public License as published by
9 # the Free Software Foundation, either version 3 of the License, or
10 # (at your option) any later version.
11
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU Affero General Public License for more details.
16
17 # You should have received a copy of the GNU Affero General Public License
18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
19
20 from sat.core.i18n import _
21 from sat.core.constants import Const as C
22 from wokkel import disco, iwokkel, data_form, compat
23 from sat.core import exceptions
24 from logging import debug, info, warning, error
25
26 NS_VERSION = "jabber:iq:version"
27
28 PLUGIN_INFO = {
29 "name": "Software Version Plugin",
30 "import_name": "XEP-0092",
31 "type": "XEP",
32 "protocols": ["XEP-0092"],
33 "dependencies": [],
34 "main": "XEP_0092",
35 "handler": "no", # version is already handler in core.xmpp module
36 "description": _("""Implementation of Software Version""")
37 }
38
39
40 class XEP_0092(object):
41
42 def __init__(self, host):
43 info(_("Plugin XEP_0092 initialization"))
44 self.host = host
45
46 def getVersion(self, jid_, profile_key=C.PROF_KEY_NONE):
47 """ Ask version of the client that jid_ is running
48 @param jid_: jid from who we want to know client's version
49 @param profile_key: %(doc_profile_key)s
50 @return: a defered which fire tuple with the following data (None if not available):
51 - name: Natural language name of the software
52 - version: specific version of the software
53 - os: operating system of the queried entity
54 """
55 client = self.host.getClient(profile_key)
56 if not client:
57 raise exceptions.ProfileUnknownError
58 iq_elt = compat.IQ(client.xmlstream, 'get')
59 iq_elt['to'] = jid_.full()
60 query_elt = iq_elt.addElement("query", NS_VERSION)
61 d = iq_elt.send()
62 d.addCallback(self._gotVersion)
63 return d
64
65 def _gotVersion(self, iq_elt):
66 try:
67 query_elt = iq_elt.elements(NS_VERSION, 'query').next()
68 except StopIteration:
69 raise exceptions.DataError
70 ret = []
71 for name in ('name', 'version', 'os'):
72 try:
73 data_elt = query_elt.elements(NS_VERSION, name).next()
74 ret.append(unicode(data_elt))
75 except StopIteration:
76 ret.append(None)
77
78 return tuple(ret)
79
80