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annotate src/plugins/plugin_xep_0277.py @ 660:69a8bfd266a5

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core, plugins: fixed bad use of children instead of elements() for domish.Element instances.
author Goffi <goffi@goffi.org>
date Tue, 15 Oct 2013 19:28:34 +0200
parents 47d3a22b4629
children 3c304929af74
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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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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6
609
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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
615
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20 from logging import debug, info, warning, error
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21 from twisted.words.protocols.jabber import jid
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22 from sat.core import exceptions
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23 from sat.tools.xml_tools import ElementParser
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25 from wokkel import pubsub
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26 from feed import atom
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27 import uuid
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28 from time import time
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29 import urlparse
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30
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31 NS_MICROBLOG = 'urn:xmpp:microblog:0'
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32
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33 PLUGIN_INFO = {
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34 "name": "Microblogging over XMPP Plugin",
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35 "import_name": "XEP-0277",
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36 "type": "XEP",
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37 "protocols": [],
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38 "dependencies": ["XEP-0163", "XEP-0060"],
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39 "main": "XEP_0277",
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40 "handler": "no",
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41 "description": _("""Implementation of microblogging Protocol""")
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42 }
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43
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44
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45 class NodeAccessChangeException(Exception):
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46 pass
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48
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49 class XEP_0277(object):
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50
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51 def __init__(self, host):
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52 info(_("Microblogging plugin initialization"))
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53 self.host = host
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54 self.host.plugins["XEP-0163"].addPEPEvent("MICROBLOG", NS_MICROBLOG, self.microblogCB, self.sendMicroblog)
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55 host.bridge.addMethod("getLastMicroblogs", ".plugin",
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56 in_sign='sis', out_sign='aa{ss}',
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57 method=self.getLastMicroblogs,
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58 async=True,
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59 doc={'summary': 'retrieve items',
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60 'param_0': 'jid: publisher of wanted microblog',
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61 'param_1': 'max_items: see XEP-0060 #6.5.7',
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62 'param_2': '%(doc_profile)s',
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63 'return': 'list of microblog data (dict)'})
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64 host.bridge.addMethod("setMicroblogAccess", ".plugin", in_sign='ss', out_sign='',
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65 method=self.setMicroblogAccess,
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66 async=True,
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67 doc={})
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68
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69 def parseCommentUrl(self, node_url):
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70 parsed_url = urlparse.urlparse(node_url, 'xmpp')
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71 service = jid.JID(parsed_url.path)
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72 queries = parsed_url.query.split(';')
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73 parsed_queries = dict()
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74 for query in queries:
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75 parsed_queries.update(urlparse.parse_qs(query))
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76 node = parsed_queries.get('node',[''])[0]
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77
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78 if not node:
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79 raise exceptions.DataError('Invalid comments link')
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80
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81 return (service, node)
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82
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83 def item2mbdata(self, item):
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84 """Convert an XML Item to microblog data used in bridge API
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85 @param item: domish.Element of microblog item
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86 @return: microblog data (dictionary)"""
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87 try:
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88 entry_elt = [child for child in item.elements() if child.name == "entry"][0]
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89 except IndexError:
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90 warning(_('No entry element in microblog item'))
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91 return
615
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92 _entry = atom.Entry().import_xml(entry_elt.toXml().encode('utf-8'))
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93 microblog_data = {}
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94 try:
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95 microblog_data['content'] = _entry.title.text
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96 if len(_entry.authors):
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97 microblog_data['author'] = _entry.authors[0].name.text
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98 microblog_data['timestamp'] = str(int(_entry.updated.tf))
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99 microblog_data['id'] = item['id']
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100 for link in _entry.links:
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101 try:
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102 if link.attrs["title"] == "comments":
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103 microblog_data['comments'] = link.attrs["href"]
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104 service, node = self.parseCommentUrl(microblog_data["comments"])
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105 microblog_data['comments_service'] = service.full()
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106 microblog_data['comments_node'] = node
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107 break
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108 except (KeyError, exceptions.DataError, RuntimeError):
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109 warning("Can't parse link")
615
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110 continue
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111
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112 except (AttributeError, KeyError):
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113 error(_('Error while parsing atom entry for microblogging event'))
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114 return {}
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115
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116 ##XXX: workaround for Jappix behaviour
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117 if not 'author' in microblog_data:
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118 from xe import NestElement
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119 try:
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diff changeset
120 author = NestElement('author')
302
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121 author.import_xml(str(_entry))
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122 microblog_data['author'] = author.nick.text
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123 except:
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124 error(_('Cannot find author'))
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125 ##end workaround Jappix
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126 return microblog_data
293
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127
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128 def microblogCB(self, itemsEvent, profile):
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parents:
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129 for item in itemsEvent.items:
465
78e67a59d51d plugin groupblog: added getLastGroupBlogs method
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130 microblog_data = self.item2mbdata(item)
293
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131 self.host.bridge.personalEvent(itemsEvent.sender.full(), "MICROBLOG", microblog_data, profile)
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132
306
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133 def data2entry(self, data, profile):
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134 """Convert a data dict to en entry usable to create an item
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135 @param data: data dict as given by bridge method
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parents: 304
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136 @return: domish.Element"""
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137 _uuid = unicode(uuid.uuid1())
293
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138 content = data['content']
615
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139 _entry = atom.Entry()
297
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diff changeset
140 #FIXME: need to escape html
304
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141 _entry.title = unicode(content).encode('utf-8')
615
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142 _entry.author = atom.Author()
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143 _entry.author.name = data.get('author', self.host.getJidNStream(profile)[0].userhost()).encode('utf-8')
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144 _entry.updated = float(data.get('timestamp', time()))
304
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145 _entry.id = str(_uuid)
615
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parents: 609
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146 if 'comments' in data:
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Goffi <goffi@goffi.org>
parents: 609
diff changeset
147 link = atom.Link()
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148 link.attrs['href'] = data['comments']
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149 link.attrs['rel'] = 'replies'
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diff changeset
150 link.attrs['title'] = 'comments'
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diff changeset
151 _entry.links.append(link)
304
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152 _entry_elt = ElementParser()(str(_entry).decode('utf-8'))
293
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153 item = pubsub.Item(payload=_entry_elt)
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154 item['id'] = _uuid
306
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155 return item
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156
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157 def sendMicroblog(self, data, profile):
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158 """Send XEP-0277's microblog data
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159 @param data: must include content
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160 @param profile: profile which send the mood"""
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161 if 'content' not in data:
306
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162 error(_("Microblog data must contain at least 'content' key"))
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163 return 3
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diff changeset
164 content = data['content']
309
f1a3db8ee04a plugin xep-0277: fixed bad data check
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diff changeset
165 if not content:
306
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parents: 304
diff changeset
166 error(_("Microblog data's content value must not be empty"))
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diff changeset
167 return 3
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168 item = self.data2entry(data, profile)
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diff changeset
169 self.host.plugins["XEP-0060"].publish(None, NS_MICROBLOG, [item], profile_key=profile)
293
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170 return 0
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171
468
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172 def getLastMicroblogs(self, pub_jid, max_items=10, profile_key='@DEFAULT@'):
303
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173 """Get the last published microblogs
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diff changeset
174 @param pub_jid: jid of the publisher
465
78e67a59d51d plugin groupblog: added getLastGroupBlogs method
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parents: 459
diff changeset
175 @param max_items: how many microblogs we want to get
303
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diff changeset
176 @param profile_key: profile key
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177 """
302
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diff changeset
178 d = self.host.plugins["XEP-0060"].getItems(jid.JID(pub_jid), NS_MICROBLOG, max_items=max_items, profile_key=profile_key)
468
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179 d.addCallback(lambda items: map(self.item2mbdata, items))
587
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180
468
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Goffi <goffi@goffi.org>
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181 def setMicroblogAccess(self, access="presence", profile_key='@DEFAULT@'):
303
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182 """Create a microblog node on PEP with given access
304
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diff changeset
183 If the node already exists, it change options
303
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184 @param access: Node access model, according to xep-0060 #4.5
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185 @param profile_key: profile key"""
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186
306
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187 _jid, xmlstream = self.host.getJidNStream(profile_key)
311
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parents: 310
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188 if not _jid:
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189 error(_("Can't find profile's jid"))
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190 return
615
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diff changeset
191 C = self.host.plugins["XEP-0060"]
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192 _options = {C.OPT_ACCESS_MODEL: access, C.OPT_PERSIST_ITEMS: 1, C.OPT_MAX_ITEMS: -1, C.OPT_DELIVER_PAYLOADS: 1, C.OPT_SEND_ITEM_SUBSCRIBE: 1}
587
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193
303
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194 def cb(result):
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195 #Node is created with right permission
304
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196 debug(_("Microblog node has now access %s") % access)
303
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197
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198 def fatal_err(s_error):
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199 #Something went wrong
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200 error(_("Can't set microblog access"))
468
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Goffi <goffi@goffi.org>
parents: 465
diff changeset
201 raise NodeAccessChangeException()
303
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parents: 302
diff changeset
202
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diff changeset
203 def err_cb(s_error):
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204 #If the node already exists, the condition is "conflict",
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diff changeset
205 #else we have an unmanaged error
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diff changeset
206 if s_error.value.condition == 'conflict':
306
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parents: 304
diff changeset
207 #d = self.host.plugins["XEP-0060"].deleteNode(_jid.userhostJID(), NS_MICROBLOG, profile_key=profile_key)
304
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parents: 303
diff changeset
208 #d.addCallback(lambda x: create_node().addCallback(cb).addErrback(fatal_err))
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parents: 303
diff changeset
209 change_node_options().addCallback(cb).addErrback(fatal_err)
303
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Goffi <goffi@goffi.org>
parents: 302
diff changeset
210 else:
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parents: 302
diff changeset
211 fatal_err(s_error)
587
952322b1d490 Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 572
diff changeset
212
303
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parents: 302
diff changeset
213 def create_node():
306
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parents: 304
diff changeset
214 return self.host.plugins["XEP-0060"].createNode(_jid.userhostJID(), NS_MICROBLOG, _options, profile_key=profile_key)
587
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 572
diff changeset
215
304
e04ccf122bb6 microblog sending
Goffi <goffi@goffi.org>
parents: 303
diff changeset
216 def change_node_options():
306
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parents: 304
diff changeset
217 return self.host.plugins["XEP-0060"].setOptions(_jid.userhostJID(), NS_MICROBLOG, _jid.userhostJID(), _options, profile_key=profile_key)
303
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diff changeset
218
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parents: 302
diff changeset
219 create_node().addCallback(cb).addErrback(err_cb)