Mercurial > libervia-backend
annotate src/plugins/plugin_xep_0277.py @ 1361:d3e9848b9574 frontends_multi_profiles
quick_frontend, primitivus (chat): pass a sorted list to Chat.setPresents
author | souliane <souliane@mailoo.org> |
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date | Wed, 11 Mar 2015 20:06:13 +0100 |
parents | 0b87d029f0a3 |
children | bb30bf3ae932 |
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 # SAT plugin for microblogging over XMPP (xep-0277) |
811 | 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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11 |
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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 |
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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 |
771 | 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.log import getLogger |
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23 log = getLogger(__name__) |
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24 from twisted.words.protocols.jabber import jid |
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25 from twisted.internet import defer |
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26 from sat.core import exceptions |
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27 from sat.tools.xml_tools import ElementParser |
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28 |
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29 from wokkel import pubsub |
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30 from feed import atom, date |
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31 from lxml import etree |
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32 import uuid |
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33 from time import time |
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34 import urlparse |
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35 from cgi import escape |
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36 |
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37 NS_MICROBLOG = 'urn:xmpp:microblog:0' |
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38 NS_XHTML = 'http://www.w3.org/1999/xhtml' |
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39 NS_PUBSUB = 'http://jabber.org/protocol/pubsub' |
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40 |
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41 PLUGIN_INFO = { |
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42 "name": "Microblogging over XMPP Plugin", |
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43 "import_name": "XEP-0277", |
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44 "type": "XEP", |
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45 "protocols": [], |
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46 "dependencies": ["XEP-0163", "XEP-0060", "TEXT-SYNTAXES"], |
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47 "main": "XEP_0277", |
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48 "handler": "no", |
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49 "description": _("""Implementation of microblogging Protocol""") |
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50 } |
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51 |
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52 |
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53 class NodeAccessChangeException(Exception): |
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54 pass |
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55 |
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56 |
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57 class XEP_0277(object): |
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58 |
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59 def __init__(self, host): |
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60 log.info(_("Microblogging plugin initialization")) |
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61 self.host = host |
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62 self.host.plugins["XEP-0163"].addPEPEvent("MICROBLOG", NS_MICROBLOG, self.microblogCB, self.sendMicroblog) |
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63 host.bridge.addMethod("getLastMicroblogs", ".plugin", |
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64 in_sign='sis', out_sign='aa{ss}', |
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65 method=self.getLastMicroblogs, |
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66 async=True, |
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67 doc={'summary': 'retrieve items', |
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68 'param_0': 'jid: publisher of wanted microblog', |
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69 'param_1': 'max_items: see XEP-0060 #6.5.7', |
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70 'param_2': '%(doc_profile)s', |
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71 'return': 'list of microblog data (dict)'}) |
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72 host.bridge.addMethod("setMicroblogAccess", ".plugin", in_sign='ss', out_sign='', |
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73 method=self.setMicroblogAccess, |
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74 async=True, |
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75 doc={}) |
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76 |
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77 def parseCommentUrl(self, node_url): |
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78 """Determine the fields comments_service and comments_node of a microblog data |
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79 from the href attribute of an entry's link element. For example this input: |
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80 xmpp:sat-pubsub.libervia.org?node=urn%3Axmpp%3Acomments%3A_c5c4a142-2279-4b2a-ba4c-1bc33aa87634__urn%3Axmpp%3Agroupblog%3Asouliane%libervia.org |
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81 will return (JID(u'sat-pubsub.libervia.org'), 'urn:xmpp:comments:_c5c4a142-2279-4b2a-ba4c-1bc33aa87634__urn:xmpp:groupblog:souliane%libervia.org') |
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82 @return: a tuple (JID, str) |
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83 """ |
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84 parsed_url = urlparse.urlparse(node_url, 'xmpp') |
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85 service = jid.JID(parsed_url.path) |
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86 queries = parsed_url.query.split(';') |
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87 parsed_queries = dict() |
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88 for query in queries: |
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89 parsed_queries.update(urlparse.parse_qs(query)) |
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90 node = parsed_queries.get('node', [''])[0] |
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91 |
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92 if not node: |
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93 raise exceptions.DataError('Invalid comments link') |
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94 |
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95 return (service, node) |
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96 |
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97 def __removeXHTMLMarkups(self, xhtml): |
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98 """ |
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99 Remove XHTML markups from the given string. |
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100 @param xhtml: the XHTML string to be cleaned |
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101 @return: a Deferred instance for the cleaned string |
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102 """ |
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103 return self.host.plugins["TEXT-SYNTAXES"].convert(xhtml, |
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104 self.host.plugins["TEXT-SYNTAXES"].SYNTAX_XHTML, |
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105 self.host.plugins["TEXT-SYNTAXES"].SYNTAX_TEXT, |
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106 False) |
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107 |
707
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108 @defer.inlineCallbacks |
465
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109 def item2mbdata(self, item): |
302
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110 """Convert an XML Item to microblog data used in bridge API |
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111 @param item: domish.Element of microblog item |
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112 @return: microblog data (dictionary)""" |
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113 |
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114 def xpath(elt, path): |
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115 """Return the XPATH result of an entry element or its descendance.""" |
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116 # XXX: use a wildcard to work with all and even undefined namespaces |
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117 return elt.xpath('/'.join(["*[local-name() = '%s']" % tag for tag in path.split('/')])) |
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118 |
1233
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119 def date2float(elt, path): |
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120 """Convert a date string to float without dealing with the date format.""" |
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121 return unicode(date.rfc3339.tf_from_timestamp(xpath(elt, path)[0].text)) |
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122 |
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123 item_elt = etree.fromstring(item.toXml().encode('utf-8')) |
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124 item_id = item_elt.get('id', '') |
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125 |
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126 # XXX: when you raise an exception from inline callbacks, do defer.returnValue(Exception()) |
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127 # to make it catchable by an eventual errback. If you do raise Exception, raise Exception() |
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128 # or defer.returnValue(Exception), it will explode and then the normal callback is ran. |
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129 |
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130 if item.uri not in (NS_PUBSUB, NS_PUBSUB + "#event"): |
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131 log.error(_("Unsupported namespace {ns} in pubsub item {id}").format(ns=item.uri, id=item_id)) |
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132 defer.returnValue(exceptions.DataError()) |
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133 |
302
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134 try: |
859
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135 entry_elt = xpath(item_elt, 'entry')[0] |
660
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core, plugins: fixed bad use of children instead of elements() for domish.Element instances.
Goffi <goffi@goffi.org>
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136 except IndexError: |
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137 log.error(_('No atom entry found in the pubsub item %s') % item_id) |
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138 defer.returnValue(exceptions.DataError()) |
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139 |
594
e629371a28d3
Fix pep8 support in src/plugins.
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140 microblog_data = {} |
832
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141 |
859
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142 for key in ['title', 'content']: # process the textual elements |
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143 for attr_elt in xpath(entry_elt, key): |
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144 attr_content = self.__getLXMLInnerContent(attr_elt) |
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145 if not attr_content.strip(): |
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146 continue # element with empty value |
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147 content_type = attr_elt.get('type', 'text').lower() |
832
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148 if content_type == 'xhtml': |
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149 text = self.__decapsulateExtraNS(attr_content) |
837
eff944ff3e13
plugin XEP_0277: check for XHTML namespace and decapsulate the content from the main div container
souliane <souliane@mailoo.org>
parents:
832
diff
changeset
|
150 microblog_data['%s_xhtml' % key] = yield self.host.plugins["TEXT-SYNTAXES"].clean_xhtml(text) |
832
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plugin groupblog, XEP-0071, XEP-0277, text_syntaxes: manage raw/rich/xhtml data for content/title:
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151 else: |
859
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152 microblog_data[key] = attr_content |
832
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153 if key not in microblog_data and ('%s_xhtml' % key) in microblog_data: |
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154 microblog_data[key] = yield self.__removeXHTMLMarkups(microblog_data['%s_xhtml' % key]) |
859
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155 |
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diff
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156 try: # check for mandatory elements |
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157 microblog_data['id'] = xpath(entry_elt, 'id')[0].text |
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158 microblog_data['updated'] = date2float(entry_elt, 'updated') |
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159 assert('title' in microblog_data) # has been processed already |
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160 except IndexError: |
1233
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161 log.error(_("Atom entry of pubsub item %s misses a required element") % item_id) |
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162 defer.returnValue(exceptions.DataError()) |
859
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163 |
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164 if 'content' not in microblog_data: # use the atom title data as the microblog body content |
832
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165 microblog_data['content'] = microblog_data['title'] |
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166 del microblog_data['title'] |
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167 if 'title_xhtml' in microblog_data: |
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168 microblog_data['content_xhtml'] = microblog_data['title_xhtml'] |
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169 del microblog_data['title_xhtml'] |
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170 |
859
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171 # recommended and optional elements with a fallback value |
302
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172 try: |
859
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173 microblog_data['published'] = date2float(entry_elt, 'published') |
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174 except IndexError: |
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175 microblog_data['published'] = microblog_data['updated'] |
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176 |
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177 # other recommended and optional elements |
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178 try: |
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179 link_elt = xpath(entry_elt, "link")[0] |
770
64dd7c0f4feb
plugin groupblog, XEP-0277: store both published and updated timestamps
souliane <souliane@mailoo.org>
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180 try: |
859
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181 assert(link_elt.attrib['title'] == "comments") |
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182 microblog_data['comments'] = link_elt.attrib['href'] |
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183 service, node = self.parseCommentUrl(microblog_data["comments"]) |
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184 microblog_data['comments_service'] = service.full() |
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185 microblog_data['comments_node'] = node |
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186 except (exceptions.DataError, RuntimeError, KeyError): |
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187 log.warning(_("Can't parse the link element of atom entry %s") % microblog_data['id']) |
859
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188 except: |
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189 pass |
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190 try: |
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191 microblog_data['author'] = xpath(entry_elt, 'author/name')[0].text |
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192 except IndexError: |
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193 try: # XXX: workaround for Jappix behaviour |
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194 microblog_data['author'] = xpath(entry_elt, 'author/nick')[0].text |
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195 except IndexError: |
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196 log.warning(_("Can't find author element in atom entry %s") % microblog_data['id']) |
707
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plugin XEP-0277, groupblog: rich text management for receiving microblogs
Goffi <goffi@goffi.org>
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706
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197 |
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Goffi <goffi@goffi.org>
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198 defer.returnValue(microblog_data) |
293
42438e43104a
Plugin XEP-0277: first draft of microblogging over ip /!\ new dependencies added /!\
Goffi <goffi@goffi.org>
parents:
diff
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199 |
859
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200 def __getLXMLInnerContent(self, elt): |
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201 """Return the inner content of a lxml.etree.Element. It is not |
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202 trivial because the lxml tostring method would return the full |
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203 content including elt's tag and attributes, and elt.getchildren() |
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204 would skip a text value which is not within an element...""" |
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205 return self.__getDomishInnerContent(ElementParser()(etree.tostring(elt))) |
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206 |
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207 def __getDomishInnerContent(self, elt): |
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208 """Return the inner content of a domish.Element.""" |
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209 result = '' |
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210 for child in elt.children: |
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211 try: |
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212 result += child.toXml() # child id a domish.Element |
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213 except AttributeError: |
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214 result += child # child is unicode |
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215 return result |
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216 |
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217 def __decapsulateExtraNS(self, text): |
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218 """Check for XHTML namespace and decapsulate the content so the user |
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219 who wants to modify an entry will see the text that he entered. Also |
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220 this avoids successive encapsulation with a new <div>...</div> at |
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221 each modification (encapsulation is done in self.data2entry)""" |
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222 elt = ElementParser()(text) |
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223 if elt.uri != NS_XHTML: |
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224 raise exceptions.DataError(_('Content of type XHTML must declare its namespace!')) |
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225 return self.__getDomishInnerContent(elt) |
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226 |
293
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227 def microblogCB(self, itemsEvent, profile): |
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228 """Callback to "MICROBLOG" PEP event.""" |
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229 def manageItem(microblog_data): |
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230 self.host.bridge.personalEvent(itemsEvent.sender.full(), "MICROBLOG", microblog_data, profile) |
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231 |
293
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232 for item in itemsEvent.items: |
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233 self.item2mbdata(item).addCallbacks(manageItem, lambda failure: None) |
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234 |
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235 @defer.inlineCallbacks |
306
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236 def data2entry(self, data, profile): |
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237 """Convert a data dict to en entry usable to create an item |
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238 @param data: data dict as given by bridge method. |
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239 @return: deferred which fire domish.Element""" |
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240 _uuid = unicode(uuid.uuid1()) |
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241 _entry = atom.Entry() |
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242 _entry.title = '' # reset the default value which is not empty |
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243 |
832
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244 elems = {'title': atom.Title, 'content': atom.Content} |
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245 synt = self.host.plugins["TEXT-SYNTAXES"] |
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246 |
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247 # loop on ('title', 'title_rich', 'title_xhtml', 'content', 'content_rich', 'content_xhtml') |
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248 for key in elems.keys(): |
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249 for type_ in ['', 'rich', 'xhtml']: |
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250 attr = "%s_%s" % (key, type_) if type_ else key |
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251 if attr in data: |
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252 if type_: |
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253 if type_ == 'rich': # convert input from current syntax to XHTML |
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254 converted = yield synt.convert(data[attr], synt.getCurrentSyntax(profile), "XHTML") |
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255 else: # clean the XHTML input |
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256 converted = yield synt.clean_xhtml(data[attr]) |
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257 elem = elems[key]((u'<div xmlns="%s">%s</div>' % (NS_XHTML, converted)).encode('utf-8')) |
832
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258 elem.attrs['type'] = 'xhtml' |
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259 if hasattr(_entry, '%s_xhtml' % key): |
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260 raise exceptions.DataError(_("Can't have xhtml and rich content at the same time")) |
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261 setattr(_entry, '%s_xhtml' % key, elem) |
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262 else: # raw text only needs to be escaped to get HTML-safe sequence |
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263 elem = elems[key](escape(data[attr]).encode('utf-8')) |
832
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264 elem.attrs['type'] = 'text' |
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265 setattr(_entry, key, elem) |
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266 if not getattr(_entry, key).text: |
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267 if hasattr(_entry, '%s_xhtml' % key): |
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268 text = yield self.__removeXHTMLMarkups(getattr(_entry, '%s_xhtml' % key).text) |
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269 setattr(_entry, key, text) |
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270 if not _entry.title.text: # eventually move the data from content to title |
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271 _entry.title = _entry.content.text |
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272 _entry.title.attrs['type'] = _entry.content.attrs['type'] |
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273 _entry.content.text = '' |
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274 _entry.content.attrs['type'] = '' |
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275 if hasattr(_entry, 'content_xhtml'): |
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276 _entry.title_xhtml = atom.Title(_entry.content_xhtml.text) |
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277 _entry.title_xhtml.attrs['type'] = _entry.content_xhtml.attrs['type'] |
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278 _entry.content_xhtml.text = '' |
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279 _entry.content_xhtml.attrs['type'] = '' |
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280 |
615
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281 _entry.author = atom.Author() |
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Fix pep8 support in src/plugins.
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282 _entry.author.name = data.get('author', self.host.getJidNStream(profile)[0].userhost()).encode('utf-8') |
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plugin groupblog, XEP-0277: store both published and updated timestamps
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283 _entry.updated = float(data.get('updated', time())) |
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284 _entry.published = float(data.get('published', time())) |
851 | 285 entry_id = data.get('id', unicode(_uuid)) |
286 _entry.id = entry_id.encode('utf-8') | |
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287 if 'comments' in data: |
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288 link = atom.Link() |
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289 link.attrs['href'] = data['comments'] |
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290 link.attrs['rel'] = 'replies' |
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291 link.attrs['title'] = 'comments' |
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292 _entry.links.append(link) |
304 | 293 _entry_elt = ElementParser()(str(_entry).decode('utf-8')) |
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294 item = pubsub.Item(id=entry_id, payload=_entry_elt) |
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295 defer.returnValue(item) |
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296 |
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297 @defer.inlineCallbacks |
306
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298 def sendMicroblog(self, data, profile): |
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299 """Send XEP-0277's microblog data |
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300 @param data: must include content |
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301 @param profile: profile which send the mood""" |
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302 if 'content' not in data: |
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303 log.error(_("Microblog data must contain at least 'content' key")) |
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304 raise exceptions.DataError('no "content" key found') |
306
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305 content = data['content'] |
309
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306 if not content: |
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307 log.error(_("Microblog data's content value must not be empty")) |
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308 raise exceptions.DataError('empty content') |
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309 item = yield self.data2entry(data, profile) |
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310 ret = yield self.host.plugins["XEP-0060"].publish(None, NS_MICROBLOG, [item], profile_key=profile) |
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311 defer.returnValue(ret) |
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312 |
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313 def getLastMicroblogs(self, pub_jid, max_items=10, profile_key=C.PROF_KEY_NONE): |
303
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314 """Get the last published microblogs |
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315 @param pub_jid: jid of the publisher |
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316 @param max_items: how many microblogs we want to get |
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317 @param profile_key: profile key |
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318 """ |
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319 d = self.host.plugins["XEP-0060"].getItems(jid.JID(pub_jid), NS_MICROBLOG, max_items=max_items, profile_key=profile_key) |
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320 d.addCallback(lambda items: defer.DeferredList(map(self.item2mbdata, items), consumeErrors=True)) |
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321 d.addCallback(lambda result: [value for (success, value) in result if success]) |
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322 return d |
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323 |
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324 def setMicroblogAccess(self, access="presence", profile_key=C.PROF_KEY_NONE): |
303
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325 """Create a microblog node on PEP with given access |
304 | 326 If the node already exists, it change options |
303
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327 @param access: Node access model, according to xep-0060 #4.5 |
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328 @param profile_key: profile key""" |
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329 |
306
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330 _jid, xmlstream = self.host.getJidNStream(profile_key) |
311
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331 if not _jid: |
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332 log.error(_("Can't find profile's jid")) |
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333 return |
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334 C = self.host.plugins["XEP-0060"] |
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335 _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} |
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336 |
303
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337 def cb(result): |
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338 #Node is created with right permission |
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339 log.debug(_("Microblog node has now access %s") % access) |
303
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340 |
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341 def fatal_err(s_error): |
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342 #Something went wrong |
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343 log.error(_("Can't set microblog access")) |
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344 raise NodeAccessChangeException() |
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345 |
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346 def err_cb(s_error): |
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347 #If the node already exists, the condition is "conflict", |
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348 #else we have an unmanaged error |
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349 if s_error.value.condition == 'conflict': |
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350 #d = self.host.plugins["XEP-0060"].deleteNode(_jid.userhostJID(), NS_MICROBLOG, profile_key=profile_key) |
304 | 351 #d.addCallback(lambda x: create_node().addCallback(cb).addErrback(fatal_err)) |
352 change_node_options().addCallback(cb).addErrback(fatal_err) | |
303
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353 else: |
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354 fatal_err(s_error) |
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355 |
303
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356 def create_node(): |
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357 return self.host.plugins["XEP-0060"].createNode(_jid.userhostJID(), NS_MICROBLOG, _options, profile_key=profile_key) |
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358 |
304 | 359 def change_node_options(): |
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360 return self.host.plugins["XEP-0060"].setOptions(_jid.userhostJID(), NS_MICROBLOG, _jid.userhostJID(), _options, profile_key=profile_key) |
303
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361 |
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362 create_node().addCallback(cb).addErrback(err_cb) |