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annotate src/plugins/plugin_xep_0277.py @ 609:84a6e83157c2

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fixed licences in docstrings (they are now in comments)
author Goffi <goffi@goffi.org>
date Fri, 08 Mar 2013 00:36:22 +0100
parents e629371a28d3
children 6f4c31192c7c
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1 #!/usr/bin/python
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2 # -*- coding: utf-8 -*-
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3
609
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4 # SAT plugin for microblogging over XMPP (xep-0277)
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5 # Copyright (C) 2009, 2010, 2011, 2012, 2013 Jérôme Poisson (goffi@goffi.org)
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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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11
609
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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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16
609
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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 logging import debug, info, error
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21 from twisted.internet import protocol
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22 from twisted.words.protocols.jabber import client, jid
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23 from twisted.words.protocols.jabber import error as jab_error
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24 import twisted.internet.error
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25 from twisted.words.xish import domish
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26 from sat.tools.xml_tools import ElementParser
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27
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28 from wokkel import disco, pubsub
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29 from feed.atom import Entry, Author
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30 import uuid
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31 from time import time
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32
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33 NS_MICROBLOG = 'urn:xmpp:microblog:0'
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34 OPT_ACCESS_MODEL = 'pubsub#access_model'
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35 OPT_PERSIST_ITEMS = 'pubsub#persist_items'
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36 OPT_MAX_ITEMS = 'pubsub#max_items'
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37 OPT_DELIVER_PAYLOADS = 'pubsub#deliver_payloads'
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38 OPT_SEND_ITEM_SUBSCRIBE = 'pubsub#send_item_subscribe'
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39
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40 PLUGIN_INFO = {
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41 "name": "Microblogging over XMPP Plugin",
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42 "import_name": "XEP-0277",
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43 "type": "XEP",
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44 "protocols": [],
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45 "dependencies": ["XEP-0163", "XEP-0060"],
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46 "main": "XEP_0277",
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47 "handler": "no",
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48 "description": _("""Implementation of microblogging Protocol""")
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49 }
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50
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51
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52 class NodeAccessChangeException(Exception):
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53 pass
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55
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56 class XEP_0277(object):
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57
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58 def __init__(self, host):
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59 info(_("Microblogging plugin initialization"))
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60 self.host = host
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61 self.host.plugins["XEP-0163"].addPEPEvent("MICROBLOG", NS_MICROBLOG, self.microblogCB, self.sendMicroblog)
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62 host.bridge.addMethod("getLastMicroblogs", ".plugin",
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63 in_sign='sis', out_sign='aa{ss}',
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64 method=self.getLastMicroblogs,
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65 async=True,
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66 doc={'summary': 'retrieve items',
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67 'param_0': 'jid: publisher of wanted microblog',
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68 'param_1': 'max_items: see XEP-0060 #6.5.7',
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69 'param_2': '%(doc_profile)s',
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70 'return': 'list of microblog data (dict)'})
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71 host.bridge.addMethod("setMicroblogAccess", ".plugin", in_sign='ss', out_sign='',
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72 method=self.setMicroblogAccess,
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73 async=True,
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74 doc={})
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75
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76 def item2mbdata(self, item):
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77 """Convert an XML Item to microblog data used in bridge API
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78 @param item: domish.Element of microblog item
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79 @return: microblog data (dictionary)"""
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80 try:
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81 entry_elt = filter(lambda x: x.name == "entry", item.children)[0]
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82 except KeyError:
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83 warning(_('No entry element in microblog item'))
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84 return
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85 _entry = Entry().import_xml(entry_elt.toXml().encode('utf-8'))
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86 microblog_data = {}
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87 try:
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88 microblog_data['content'] = _entry.title.text
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89 if len(_entry.authors):
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90 microblog_data['author'] = _entry.authors[0].name.text
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91 microblog_data['timestamp'] = str(int(_entry.updated.tf))
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92 microblog_data['id'] = item['id']
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93 except (AttributeError, KeyError):
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94 error(_('Error while parsing atom entry for microblogging event'))
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95 return {}
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96
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97 ##XXX: workaround for Jappix behaviour
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98 if not 'author' in microblog_data:
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99 from xe import NestElement
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100 try:
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101 author = NestElement('author')
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102 author.import_xml(str(_entry))
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103 microblog_data['author'] = author.nick.text
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104 except:
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105 error(_('Cannot find author'))
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106 ##end workaround Jappix
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107 return microblog_data
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108
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109 def microblogCB(self, itemsEvent, profile):
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110 for item in itemsEvent.items:
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111 microblog_data = self.item2mbdata(item)
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112 self.host.bridge.personalEvent(itemsEvent.sender.full(), "MICROBLOG", microblog_data, profile)
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113
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114 def data2entry(self, data, profile):
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115 """Convert a data dict to en entry usable to create an item
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116 @param data: data dict as given by bridge method
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117 @return: domish.Element"""
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118 _uuid = unicode(uuid.uuid1())
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119 content = data['content']
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120 _entry = Entry()
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121 #FIXME: need to escape html
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122 _entry.title = unicode(content).encode('utf-8')
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Goffi <goffi@goffi.org>
parents: 293
diff changeset
123 _entry.author = Author()
594
e629371a28d3 Fix pep8 support in src/plugins.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
124 _entry.author.name = data.get('author', self.host.getJidNStream(profile)[0].userhost()).encode('utf-8')
e629371a28d3 Fix pep8 support in src/plugins.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
125 _entry.updated = float(data.get('timestamp', time()))
304
e04ccf122bb6 microblog sending
Goffi <goffi@goffi.org>
parents: 303
diff changeset
126 _entry.id = str(_uuid)
e04ccf122bb6 microblog sending
Goffi <goffi@goffi.org>
parents: 303
diff changeset
127 _entry_elt = ElementParser()(str(_entry).decode('utf-8'))
293
42438e43104a Plugin XEP-0277: first draft of microblogging over ip /!\ new dependencies added /!\
Goffi <goffi@goffi.org>
parents:
diff changeset
128 item = pubsub.Item(payload=_entry_elt)
42438e43104a Plugin XEP-0277: first draft of microblogging over ip /!\ new dependencies added /!\
Goffi <goffi@goffi.org>
parents:
diff changeset
129 item['id'] = _uuid
306
169e7386650a plugin xep-0277: bridge data is now converted in pubsub item in a separate function
Goffi <goffi@goffi.org>
parents: 304
diff changeset
130 return item
169e7386650a plugin xep-0277: bridge data is now converted in pubsub item in a separate function
Goffi <goffi@goffi.org>
parents: 304
diff changeset
131
169e7386650a plugin xep-0277: bridge data is now converted in pubsub item in a separate function
Goffi <goffi@goffi.org>
parents: 304
diff changeset
132 def sendMicroblog(self, data, profile):
169e7386650a plugin xep-0277: bridge data is now converted in pubsub item in a separate function
Goffi <goffi@goffi.org>
parents: 304
diff changeset
133 """Send XEP-0277's microblog data
169e7386650a plugin xep-0277: bridge data is now converted in pubsub item in a separate function
Goffi <goffi@goffi.org>
parents: 304
diff changeset
134 @param data: must include content
169e7386650a plugin xep-0277: bridge data is now converted in pubsub item in a separate function
Goffi <goffi@goffi.org>
parents: 304
diff changeset
135 @param profile: profile which send the mood"""
594
e629371a28d3 Fix pep8 support in src/plugins.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
136 if 'content' not in data:
306
169e7386650a plugin xep-0277: bridge data is now converted in pubsub item in a separate function
Goffi <goffi@goffi.org>
parents: 304
diff changeset
137 error(_("Microblog data must contain at least 'content' key"))
169e7386650a plugin xep-0277: bridge data is now converted in pubsub item in a separate function
Goffi <goffi@goffi.org>
parents: 304
diff changeset
138 return 3
169e7386650a plugin xep-0277: bridge data is now converted in pubsub item in a separate function
Goffi <goffi@goffi.org>
parents: 304
diff changeset
139 content = data['content']
309
f1a3db8ee04a plugin xep-0277: fixed bad data check
Goffi <goffi@goffi.org>
parents: 306
diff changeset
140 if not content:
306
169e7386650a plugin xep-0277: bridge data is now converted in pubsub item in a separate function
Goffi <goffi@goffi.org>
parents: 304
diff changeset
141 error(_("Microblog data's content value must not be empty"))
169e7386650a plugin xep-0277: bridge data is now converted in pubsub item in a separate function
Goffi <goffi@goffi.org>
parents: 304
diff changeset
142 return 3
169e7386650a plugin xep-0277: bridge data is now converted in pubsub item in a separate function
Goffi <goffi@goffi.org>
parents: 304
diff changeset
143 item = self.data2entry(data, profile)
594
e629371a28d3 Fix pep8 support in src/plugins.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
144 self.host.plugins["XEP-0060"].publish(None, NS_MICROBLOG, [item], profile_key=profile)
293
42438e43104a Plugin XEP-0277: first draft of microblogging over ip /!\ new dependencies added /!\
Goffi <goffi@goffi.org>
parents:
diff changeset
145 return 0
42438e43104a Plugin XEP-0277: first draft of microblogging over ip /!\ new dependencies added /!\
Goffi <goffi@goffi.org>
parents:
diff changeset
146
468
c97640c90a94 D-Bus Bridge: use inspection to name attribute + fix asynchronous calls for dynamically added method, it now use deferred return value instead of callback/errback attributes
Goffi <goffi@goffi.org>
parents: 465
diff changeset
147 def getLastMicroblogs(self, pub_jid, max_items=10, profile_key='@DEFAULT@'):
303
2b52a5da0978 plugin XEP_0277: microblog access model can now be changed
Goffi <goffi@goffi.org>
parents: 302
diff changeset
148 """Get the last published microblogs
2b52a5da0978 plugin XEP_0277: microblog access model can now be changed
Goffi <goffi@goffi.org>
parents: 302
diff changeset
149 @param pub_jid: jid of the publisher
465
78e67a59d51d plugin groupblog: added getLastGroupBlogs method
Goffi <goffi@goffi.org>
parents: 459
diff changeset
150 @param max_items: how many microblogs we want to get
303
2b52a5da0978 plugin XEP_0277: microblog access model can now be changed
Goffi <goffi@goffi.org>
parents: 302
diff changeset
151 @param profile_key: profile key
2b52a5da0978 plugin XEP_0277: microblog access model can now be changed
Goffi <goffi@goffi.org>
parents: 302
diff changeset
152 @param callback: used for the async answer
2b52a5da0978 plugin XEP_0277: microblog access model can now be changed
Goffi <goffi@goffi.org>
parents: 302
diff changeset
153 @param errback: used for the async answer
2b52a5da0978 plugin XEP_0277: microblog access model can now be changed
Goffi <goffi@goffi.org>
parents: 302
diff changeset
154 """
302
9f3a6cf91668 plugin xep-0277: added getLastMicroblogs method
Goffi <goffi@goffi.org>
parents: 297
diff changeset
155 assert(callback)
9f3a6cf91668 plugin xep-0277: added getLastMicroblogs method
Goffi <goffi@goffi.org>
parents: 297
diff changeset
156 d = self.host.plugins["XEP-0060"].getItems(jid.JID(pub_jid), NS_MICROBLOG, max_items=max_items, profile_key=profile_key)
468
c97640c90a94 D-Bus Bridge: use inspection to name attribute + fix asynchronous calls for dynamically added method, it now use deferred return value instead of callback/errback attributes
Goffi <goffi@goffi.org>
parents: 465
diff changeset
157 d.addCallback(lambda items: map(self.item2mbdata, items))
587
952322b1d490 Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 572
diff changeset
158
468
c97640c90a94 D-Bus Bridge: use inspection to name attribute + fix asynchronous calls for dynamically added method, it now use deferred return value instead of callback/errback attributes
Goffi <goffi@goffi.org>
parents: 465
diff changeset
159 def setMicroblogAccess(self, access="presence", profile_key='@DEFAULT@'):
303
2b52a5da0978 plugin XEP_0277: microblog access model can now be changed
Goffi <goffi@goffi.org>
parents: 302
diff changeset
160 """Create a microblog node on PEP with given access
304
e04ccf122bb6 microblog sending
Goffi <goffi@goffi.org>
parents: 303
diff changeset
161 If the node already exists, it change options
303
2b52a5da0978 plugin XEP_0277: microblog access model can now be changed
Goffi <goffi@goffi.org>
parents: 302
diff changeset
162 @param access: Node access model, according to xep-0060 #4.5
2b52a5da0978 plugin XEP_0277: microblog access model can now be changed
Goffi <goffi@goffi.org>
parents: 302
diff changeset
163 @param profile_key: profile key"""
2b52a5da0978 plugin XEP_0277: microblog access model can now be changed
Goffi <goffi@goffi.org>
parents: 302
diff changeset
164
306
169e7386650a plugin xep-0277: bridge data is now converted in pubsub item in a separate function
Goffi <goffi@goffi.org>
parents: 304
diff changeset
165 _jid, xmlstream = self.host.getJidNStream(profile_key)
311
0aa6ca6cdbdd plugin group blog: group blog now use PEP to take profit of autosubscribe
Goffi <goffi@goffi.org>
parents: 310
diff changeset
166 if not _jid:
0aa6ca6cdbdd plugin group blog: group blog now use PEP to take profit of autosubscribe
Goffi <goffi@goffi.org>
parents: 310
diff changeset
167 error(_("Can't find profile's jid"))
0aa6ca6cdbdd plugin group blog: group blog now use PEP to take profit of autosubscribe
Goffi <goffi@goffi.org>
parents: 310
diff changeset
168 return
594
e629371a28d3 Fix pep8 support in src/plugins.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
169 _options = {OPT_ACCESS_MODEL: access, OPT_PERSIST_ITEMS: 1, OPT_MAX_ITEMS: -1, OPT_DELIVER_PAYLOADS: 1, OPT_SEND_ITEM_SUBSCRIBE: 1}
587
952322b1d490 Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 572
diff changeset
170
303
2b52a5da0978 plugin XEP_0277: microblog access model can now be changed
Goffi <goffi@goffi.org>
parents: 302
diff changeset
171 def cb(result):
2b52a5da0978 plugin XEP_0277: microblog access model can now be changed
Goffi <goffi@goffi.org>
parents: 302
diff changeset
172 #Node is created with right permission
304
e04ccf122bb6 microblog sending
Goffi <goffi@goffi.org>
parents: 303
diff changeset
173 debug(_("Microblog node has now access %s") % access)
303
2b52a5da0978 plugin XEP_0277: microblog access model can now be changed
Goffi <goffi@goffi.org>
parents: 302
diff changeset
174
2b52a5da0978 plugin XEP_0277: microblog access model can now be changed
Goffi <goffi@goffi.org>
parents: 302
diff changeset
175 def fatal_err(s_error):
2b52a5da0978 plugin XEP_0277: microblog access model can now be changed
Goffi <goffi@goffi.org>
parents: 302
diff changeset
176 #Something went wrong
2b52a5da0978 plugin XEP_0277: microblog access model can now be changed
Goffi <goffi@goffi.org>
parents: 302
diff changeset
177 error(_("Can't set microblog access"))
468
c97640c90a94 D-Bus Bridge: use inspection to name attribute + fix asynchronous calls for dynamically added method, it now use deferred return value instead of callback/errback attributes
Goffi <goffi@goffi.org>
parents: 465
diff changeset
178 raise NodeAccessChangeException()
303
2b52a5da0978 plugin XEP_0277: microblog access model can now be changed
Goffi <goffi@goffi.org>
parents: 302
diff changeset
179
2b52a5da0978 plugin XEP_0277: microblog access model can now be changed
Goffi <goffi@goffi.org>
parents: 302
diff changeset
180 def err_cb(s_error):
2b52a5da0978 plugin XEP_0277: microblog access model can now be changed
Goffi <goffi@goffi.org>
parents: 302
diff changeset
181 #If the node already exists, the condition is "conflict",
2b52a5da0978 plugin XEP_0277: microblog access model can now be changed
Goffi <goffi@goffi.org>
parents: 302
diff changeset
182 #else we have an unmanaged error
594
e629371a28d3 Fix pep8 support in src/plugins.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
183 if s_error.value.condition == 'conflict':
306
169e7386650a plugin xep-0277: bridge data is now converted in pubsub item in a separate function
Goffi <goffi@goffi.org>
parents: 304
diff changeset
184 #d = self.host.plugins["XEP-0060"].deleteNode(_jid.userhostJID(), NS_MICROBLOG, profile_key=profile_key)
304
e04ccf122bb6 microblog sending
Goffi <goffi@goffi.org>
parents: 303
diff changeset
185 #d.addCallback(lambda x: create_node().addCallback(cb).addErrback(fatal_err))
e04ccf122bb6 microblog sending
Goffi <goffi@goffi.org>
parents: 303
diff changeset
186 change_node_options().addCallback(cb).addErrback(fatal_err)
303
2b52a5da0978 plugin XEP_0277: microblog access model can now be changed
Goffi <goffi@goffi.org>
parents: 302
diff changeset
187 else:
2b52a5da0978 plugin XEP_0277: microblog access model can now be changed
Goffi <goffi@goffi.org>
parents: 302
diff changeset
188 fatal_err(s_error)
587
952322b1d490 Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 572
diff changeset
189
303
2b52a5da0978 plugin XEP_0277: microblog access model can now be changed
Goffi <goffi@goffi.org>
parents: 302
diff changeset
190 def create_node():
306
169e7386650a plugin xep-0277: bridge data is now converted in pubsub item in a separate function
Goffi <goffi@goffi.org>
parents: 304
diff changeset
191 return self.host.plugins["XEP-0060"].createNode(_jid.userhostJID(), NS_MICROBLOG, _options, profile_key=profile_key)
587
952322b1d490 Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 572
diff changeset
192
304
e04ccf122bb6 microblog sending
Goffi <goffi@goffi.org>
parents: 303
diff changeset
193 def change_node_options():
306
169e7386650a plugin xep-0277: bridge data is now converted in pubsub item in a separate function
Goffi <goffi@goffi.org>
parents: 304
diff changeset
194 return self.host.plugins["XEP-0060"].setOptions(_jid.userhostJID(), NS_MICROBLOG, _jid.userhostJID(), _options, profile_key=profile_key)
303
2b52a5da0978 plugin XEP_0277: microblog access model can now be changed
Goffi <goffi@goffi.org>
parents: 302
diff changeset
195
2b52a5da0978 plugin XEP_0277: microblog access model can now be changed
Goffi <goffi@goffi.org>
parents: 302
diff changeset
196 create_node().addCallback(cb).addErrback(err_cb)