annotate sat/plugins/plugin_misc_forums.py @ 3202:2e892f9f54f6

plugin attachment: remove "path" from attachment once used: "path" refers to a local path of a file, we don't want to store it in database as the file may be in a temporary location, or even be a temporary file. So once the file has been uploaded, we remove it.
author Goffi <goffi@goffi.org>
date Fri, 06 Mar 2020 18:19:03 +0100
parents 559a625a236b
children be6d91572633
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #!/usr/bin/env python3
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2
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3
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4 # SAT plugin for pubsub forums
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5 # Copyright (C) 2009-2020 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
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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 import exceptions
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23 from sat.core.log import getLogger
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24 from sat.tools.common import uri
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25 from twisted.words.protocols.jabber import jid
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26 from twisted.words.xish import domish
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27 from twisted.internet import defer
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28 import shortuuid
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29 import json
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30 log = getLogger(__name__)
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31
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32 NS_FORUMS = 'org.salut-a-toi.forums:0'
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33 NS_FORUMS_TOPICS = NS_FORUMS + '#topics'
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34
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35 PLUGIN_INFO = {
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36 C.PI_NAME: _("forums management"),
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37 C.PI_IMPORT_NAME: "forums",
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38 C.PI_TYPE: "EXP",
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39 C.PI_PROTOCOLS: [],
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40 C.PI_DEPENDENCIES: ["XEP-0060", "XEP-0277"],
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41 C.PI_MAIN: "forums",
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42 C.PI_HANDLER: "no",
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43 C.PI_DESCRIPTION: _("""forums management plugin""")
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44 }
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45 FORUM_ATTR = {'title', 'name', 'main-language', 'uri'}
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46 FORUM_SUB_ELTS = ('short-desc', 'desc')
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47 FORUM_TOPICS_NODE_TPL = '{node}#topics_{uuid}'
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48 FORUM_TOPIC_NODE_TPL = '{node}_{uuid}'
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49
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50
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51 class forums(object):
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52
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53 def __init__(self, host):
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54 log.info(_("forums plugin initialization"))
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55 self.host = host
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56 self._m = self.host.plugins['XEP-0277']
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57 self._p = self.host.plugins['XEP-0060']
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58 self._node_options = {
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59 self._p.OPT_ACCESS_MODEL: self._p.ACCESS_OPEN,
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60 self._p.OPT_PERSIST_ITEMS: 1,
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61 self._p.OPT_MAX_ITEMS: -1,
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62 self._p.OPT_DELIVER_PAYLOADS: 1,
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63 self._p.OPT_SEND_ITEM_SUBSCRIBE: 1,
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64 self._p.OPT_PUBLISH_MODEL: self._p.ACCESS_OPEN,
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65 }
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66 host.registerNamespace('forums', NS_FORUMS)
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67 host.bridge.addMethod("forumsGet", ".plugin",
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68 in_sign='ssss', out_sign='s',
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69 method=self._get,
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70 async_=True)
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71 host.bridge.addMethod("forumsSet", ".plugin",
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72 in_sign='sssss', out_sign='',
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73 method=self._set,
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74 async_=True)
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75 host.bridge.addMethod("forumTopicsGet", ".plugin",
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76 in_sign='ssa{ss}s', out_sign='(aa{ss}a{ss})',
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77 method=self._getTopics,
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78 async_=True)
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79 host.bridge.addMethod("forumTopicCreate", ".plugin",
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80 in_sign='ssa{ss}s', out_sign='',
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81 method=self._createTopic,
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82 async_=True)
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83
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84 @defer.inlineCallbacks
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85 def _createForums(self, client, forums, service, node, forums_elt=None, names=None):
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86 """Recursively create <forums> element(s)
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87
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88 @param forums(list): forums which may have subforums
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89 @param service(jid.JID): service where the new nodes will be created
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90 @param node(unicode): node of the forums
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91 will be used as basis for the newly created nodes
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92 @param parent_elt(domish.Element, None): element where the forum must be added
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93 if None, the root <forums> element will be created
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94 @return (domish.Element): created forums
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95 """
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96 if not isinstance(forums, list):
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97 raise ValueError(_("forums arguments must be a list of forums"))
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98 if forums_elt is None:
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99 forums_elt = domish.Element((NS_FORUMS, 'forums'))
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100 assert names is None
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101 names = set()
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102 else:
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103 if names is None or forums_elt.name != 'forums':
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104 raise exceptions.InternalError('invalid forums or names')
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105 assert names is not None
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106
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107 for forum in forums:
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108 if not isinstance(forum, dict):
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109 raise ValueError(_("A forum item must be a dictionary"))
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110 forum_elt = forums_elt.addElement('forum')
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111
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112 for key, value in forum.items():
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113 if key == 'name' and key in names:
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114 raise exceptions.ConflictError(_("following forum name is not unique: {name}").format(name=key))
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115 if key == 'uri' and not value.strip():
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116 log.info(_("creating missing forum node"))
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117 forum_node = FORUM_TOPICS_NODE_TPL.format(node=node, uuid=shortuuid.uuid())
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118 yield self._p.createNode(client, service, forum_node, self._node_options)
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119 value = uri.buildXMPPUri('pubsub',
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120 path=service.full(),
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121 node=forum_node)
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122 if key in FORUM_ATTR:
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123 forum_elt[key] = value.strip()
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124 elif key in FORUM_SUB_ELTS:
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125 forum_elt.addElement(key, content=value)
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126 elif key == 'sub-forums':
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127 sub_forums_elt = forum_elt.addElement('forums')
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128 yield self._createForums(client, value, service, node, sub_forums_elt, names=names)
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129 else:
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130 log.warning(_("Unknown forum attribute: {key}").format(key=key))
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131 if not forum_elt.getAttribute('title'):
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132 name = forum_elt.getAttribute('name')
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133 if name:
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134 forum_elt['title'] = name
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135 else:
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136 raise ValueError(_("forum need a title or a name"))
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137 if not forum_elt.getAttribute('uri') and not forum_elt.children:
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138 raise ValueError(_("forum need uri or sub-forums"))
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139 defer.returnValue(forums_elt)
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140
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141 def _parseForums(self, parent_elt=None, forums=None):
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142 """Recursivly parse a <forums> elements and return corresponding forums data
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143
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144 @param item(domish.Element): item with <forums> element
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145 @param parent_elt(domish.Element, None): element to parse
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146 @return (list): parsed data
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147 @raise ValueError: item is invalid
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148 """
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149 if parent_elt.name == 'item':
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150 forums = []
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151 try:
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152 forums_elt = next(parent_elt.elements(NS_FORUMS, 'forums'))
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153 except StopIteration:
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154 raise ValueError(_("missing <forums> element"))
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155 else:
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156 forums_elt = parent_elt
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157 if forums is None:
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158 raise exceptions.InternalError('expected forums')
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159 if forums_elt.name != 'forums':
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160 raise ValueError(_('Unexpected element: {xml}').format(xml=forums_elt.toXml()))
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161 for forum_elt in forums_elt.elements():
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162 if forum_elt.name == 'forum':
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163 data = {}
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164 for attrib in FORUM_ATTR.intersection(forum_elt.attributes):
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165 data[attrib] = forum_elt[attrib]
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166 unknown = set(forum_elt.attributes).difference(FORUM_ATTR)
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167 if unknown:
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168 log.warning(_("Following attributes are unknown: {unknown}").format(unknown=unknown))
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169 for elt in forum_elt.elements():
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170 if elt.name in FORUM_SUB_ELTS:
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171 data[elt.name] = str(elt)
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172 elif elt.name == 'forums':
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173 sub_forums = data['sub-forums'] = []
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174 self._parseForums(elt, sub_forums)
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175 if not 'title' in data or not {'uri', 'sub-forums'}.intersection(data):
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176 log.warning(_("invalid forum, ignoring: {xml}").format(xml=forum_elt.toXml()))
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177 else:
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178 forums.append(data)
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179 else:
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180 log.warning(_("unkown forums sub element: {xml}").format(xml=forum_elt))
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181
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182 return forums
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183
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184 def _get(self, service=None, node=None, forums_key=None, profile_key=C.PROF_KEY_NONE):
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185 client = self.host.getClient(profile_key)
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186 if service.strip():
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187 service = jid.JID(service)
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188 else:
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189 service = None
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190 if not node.strip():
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191 node = None
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192 d=self.get(client, service, node, forums_key or None)
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193 d.addCallback(lambda data: json.dumps(data))
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194 return d
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195
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196 @defer.inlineCallbacks
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197 def get(self, client, service=None, node=None, forums_key=None):
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198 if service is None:
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199 service = client.pubsub_service
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200 if node is None:
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201 node = NS_FORUMS
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202 if forums_key is None:
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203 forums_key = 'default'
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204 items_data = yield self._p.getItems(client, service, node, item_ids=[forums_key])
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205 item = items_data[0][0]
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206 # we have the item and need to convert it to json
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207 forums = self._parseForums(item)
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208 defer.returnValue(forums)
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209
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210 def _set(self, forums, service=None, node=None, forums_key=None, profile_key=C.PROF_KEY_NONE):
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211 client = self.host.getClient(profile_key)
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212 forums = json.loads(forums)
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213 if service.strip():
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diff changeset
214 service = jid.JID(service)
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215 else:
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216 service = None
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217 if not node.strip():
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218 node = None
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219 return self.set(client, forums, service, node, forums_key or None)
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220
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221 @defer.inlineCallbacks
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222 def set(self, client, forums, service=None, node=None, forums_key=None):
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223 """Create or replace forums structure
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224
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225 @param forums(list): list of dictionary as follow:
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226 a dictionary represent a forum metadata, with the following keys:
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227 - title: title of the forum
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228 - name: short name (unique in those forums) for the forum
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229 - main-language: main language to be use in the forums
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230 - uri: XMPP uri to the microblog node hosting the forum
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231 - short-desc: short description of the forum (in main-language)
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232 - desc: long description of the forum (in main-language)
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233 - sub-forums: a list of sub-forums with the same structure
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234 title or name is needed, and uri or sub-forums
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235 @param forums_key(unicode, None): key (i.e. item id) of the forums
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236 may be used to store different forums structures for different languages
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diff changeset
237 None to use "default"
785b6a1cef0a plugin forums: first draft:
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diff changeset
238 """
785b6a1cef0a plugin forums: first draft:
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diff changeset
239 if service is None:
785b6a1cef0a plugin forums: first draft:
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diff changeset
240 service = client.pubsub_service
785b6a1cef0a plugin forums: first draft:
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diff changeset
241 if node is None:
785b6a1cef0a plugin forums: first draft:
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diff changeset
242 node = NS_FORUMS
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parents:
diff changeset
243 if forums_key is None:
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diff changeset
244 forums_key = 'default'
2484
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diff changeset
245 forums_elt = yield self._createForums(client, forums, service, node)
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diff changeset
246 yield self._p.sendItem(client, service, node, forums_elt, item_id=forums_key)
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parents:
diff changeset
247
785b6a1cef0a plugin forums: first draft:
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diff changeset
248 def _getTopics(self, service, node, extra=None, profile_key=C.PROF_KEY_NONE):
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diff changeset
249 client = self.host.getClient(profile_key)
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parents:
diff changeset
250 extra = self._p.parseExtra(extra)
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251 d = self.getTopics(client, jid.JID(service), node, rsm_request=extra.rsm_request, extra=extra.extra)
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diff changeset
252 d.addCallback(lambda topics_metadata: (topics_metadata[0], {k: str(v) for k,v in topics_metadata[1].items()}))
2484
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diff changeset
253 return d
785b6a1cef0a plugin forums: first draft:
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parents:
diff changeset
254
785b6a1cef0a plugin forums: first draft:
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parents:
diff changeset
255 @defer.inlineCallbacks
785b6a1cef0a plugin forums: first draft:
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diff changeset
256 def getTopics(self, client, service, node, rsm_request=None, extra=None):
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257 """Retrieve topics data
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diff changeset
258
785b6a1cef0a plugin forums: first draft:
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parents:
diff changeset
259 Topics are simple microblog URIs with some metadata duplicated from first post
785b6a1cef0a plugin forums: first draft:
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diff changeset
260 """
785b6a1cef0a plugin forums: first draft:
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parents:
diff changeset
261 topics_data = yield self._p.getItems(client, service, node, rsm_request=rsm_request, extra=extra)
785b6a1cef0a plugin forums: first draft:
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parents:
diff changeset
262 topics = []
785b6a1cef0a plugin forums: first draft:
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parents:
diff changeset
263 item_elts, metadata = topics_data
785b6a1cef0a plugin forums: first draft:
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diff changeset
264 for item_elt in item_elts:
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diff changeset
265 topic_elt = next(item_elt.elements(NS_FORUMS, 'topic'))
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Goffi <goffi@goffi.org>
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diff changeset
266 title_elt = next(topic_elt.elements(NS_FORUMS, 'title'))
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2959
diff changeset
267 topic = {'uri': topic_elt['uri'],
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268 'author': topic_elt['author'],
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269 'title': str(title_elt)}
2484
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diff changeset
270 topics.append(topic)
785b6a1cef0a plugin forums: first draft:
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diff changeset
271 defer.returnValue((topics, metadata))
785b6a1cef0a plugin forums: first draft:
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diff changeset
272
785b6a1cef0a plugin forums: first draft:
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diff changeset
273 def _createTopic(self, service, node, mb_data, profile_key):
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274 client = self.host.getClient(profile_key)
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275 return self.createTopic(client, jid.JID(service), node, mb_data)
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parents:
diff changeset
276
785b6a1cef0a plugin forums: first draft:
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parents:
diff changeset
277 @defer.inlineCallbacks
785b6a1cef0a plugin forums: first draft:
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parents:
diff changeset
278 def createTopic(self, client, service, node, mb_data):
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diff changeset
279 try:
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diff changeset
280 title = mb_data['title']
ab2696e34d29 Python 3 port:
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parents: 2959
diff changeset
281 if not 'content' in mb_data:
ab2696e34d29 Python 3 port:
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diff changeset
282 raise KeyError('content')
2484
785b6a1cef0a plugin forums: first draft:
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parents:
diff changeset
283 except KeyError as e:
3028
ab2696e34d29 Python 3 port:
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diff changeset
284 raise exceptions.DataError("missing mandatory data: {key}".format(key=e.args[0]))
2484
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parents:
diff changeset
285
785b6a1cef0a plugin forums: first draft:
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parents:
diff changeset
286 topic_node = FORUM_TOPIC_NODE_TPL.format(node=node, uuid=shortuuid.uuid())
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287 yield self._p.createNode(client, service, topic_node, self._node_options)
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288 self._m.send(client, mb_data, service, topic_node)
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289 topic_uri = uri.buildXMPPUri('pubsub',
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290 subtype='microblog',
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291 path=service.full(),
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292 node=topic_node)
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293 topic_elt = domish.Element((NS_FORUMS, 'topic'))
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294 topic_elt['uri'] = topic_uri
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295 topic_elt['author'] = client.jid.userhost()
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296 topic_elt.addElement('title', content = title)
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297 yield self._p.sendItem(client, service, node, topic_elt)