annotate libervia/backend/plugins/plugin_misc_forums.py @ 4192:1d24ff583794

plugin forums: parsing fix + formatting: - reformatted with black - fix parsing of forums - minor improvements
author Goffi <goffi@goffi.org>
date Tue, 12 Dec 2023 12:17:15 +0100
parents 5d056d524298
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/usr/bin/env python3
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2
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3 # Libervia plugin for pubsub forums
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4 # Copyright (C) 2009-2023 Jérôme Poisson (goffi@goffi.org)
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5
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6 # This program is free software: you can redistribute it and/or modify
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7 # it under the terms of the GNU Affero General Public License as published by
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8 # the Free Software Foundation, either version 3 of the License, or
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9 # (at your option) any later version.
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10
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11 # This program is distributed in the hope that it will be useful,
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12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 # GNU Affero General Public License for more details.
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15
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16 # You should have received a copy of the GNU Affero General Public License
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17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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18
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19 from typing import Iterable
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20 from libervia.backend.core.core_types import SatXMPPEntity
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21 from libervia.backend.core.i18n import _
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22 from libervia.backend.core.constants import Const as C
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23 from libervia.backend.core import exceptions
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24 from libervia.backend.core.log import getLogger
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25 from libervia.backend.tools.common import uri, data_format
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26 from twisted.words.protocols.jabber import jid
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27 from twisted.words.xish import domish
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28 from twisted.internet import defer
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29 import shortuuid
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30 import json
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31
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32 log = getLogger(__name__)
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33
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34 NS_FORUMS = "org.salut-a-toi.forums:0"
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35 NS_FORUMS_TOPICS = NS_FORUMS + "#topics"
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36
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37 PLUGIN_INFO = {
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38 C.PI_NAME: _("forums management"),
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39 C.PI_IMPORT_NAME: "forums",
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40 C.PI_TYPE: "EXP",
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41 C.PI_PROTOCOLS: [],
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42 C.PI_DEPENDENCIES: ["XEP-0060", "XEP-0277"],
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43 C.PI_MAIN: "forums",
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44 C.PI_HANDLER: "no",
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45 C.PI_DESCRIPTION: _("""forums management plugin"""),
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46 }
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47 FORUM_ATTR = {"title", "name", "main-language", "uri"}
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48 FORUM_SUB_ELTS = ("short-desc", "desc")
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49 FORUM_TOPICS_NODE_TPL = "{node}#topics_{uuid}"
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50 FORUM_TOPIC_NODE_TPL = "{node}_{uuid}"
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51
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52
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53 class forums:
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54 def __init__(self, host):
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55 log.info(_("forums plugin initialization"))
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56 self.host = host
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57 self._m = self.host.plugins["XEP-0277"]
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58 self._p = self.host.plugins["XEP-0060"]
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59 self._node_options = {
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60 self._p.OPT_ACCESS_MODEL: self._p.ACCESS_OPEN,
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61 self._p.OPT_PERSIST_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.register_namespace("forums", NS_FORUMS)
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67 host.bridge.add_method(
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68 "forums_get",
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69 ".plugin",
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70 in_sign="ssss",
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71 out_sign="s",
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72 method=self._get,
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73 async_=True,
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74 )
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75 host.bridge.add_method(
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76 "forums_set",
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77 ".plugin",
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78 in_sign="sssss",
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79 out_sign="",
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80 method=self._set,
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81 async_=True,
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82 )
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83 host.bridge.add_method(
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84 "forum_topics_get",
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85 ".plugin",
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86 in_sign="ssa{ss}s",
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87 out_sign="(aa{ss}s)",
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88 method=self._get_topics,
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89 async_=True,
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90 )
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91 host.bridge.add_method(
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92 "forum_topic_create",
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93 ".plugin",
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94 in_sign="ssa{ss}s",
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95 out_sign="",
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96 method=self._create_topic,
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97 async_=True,
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98 )
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99
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100 async def _create_forums(
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101 self,
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102 client: SatXMPPEntity,
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103 forums: list[dict],
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104 service: jid.JID,
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105 node: str,
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106 forums_elt: domish.Element | None = None,
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107 names: Iterable = None,
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108 ) -> domish.Element:
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109 """Recursively create <forums> element(s)
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110
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111 @param forums(list): forums which may have subforums
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112 @param service(jid.JID): service where the new nodes will be created
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113 @param node(unicode): node of the forums
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114 will be used as basis for the newly created nodes
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115 @param parent_elt(domish.Element, None): element where the forum must be added
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116 if None, the root <forums> element will be created
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117 @return (domish.Element): created forums
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118 """
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119 if not isinstance(forums, list):
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120 raise ValueError(_("forums arguments must be a list of forums"))
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121 if forums_elt is None:
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122 forums_elt = domish.Element((NS_FORUMS, "forums"))
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123 assert names is None
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124 names = set()
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125 else:
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126 if names is None or forums_elt.name != "forums":
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127 raise exceptions.InternalError("invalid forums or names")
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128 assert names is not None
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129
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130 for forum in forums:
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131 if not isinstance(forum, dict):
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132 raise ValueError(_("A forum item must be a dictionary"))
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133 forum_elt = forums_elt.addElement("forum")
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134
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135 for key, value in forum.items():
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136 if key == "name" and key in names:
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137 raise exceptions.ConflictError(
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138 _("following forum name is not unique: {name}").format(name=key)
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139 )
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140 if key == "uri" and (value is None or not value.strip()):
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141 log.info(_("creating missing forum node"))
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142 forum_node = FORUM_TOPICS_NODE_TPL.format(
1d24ff583794 plugin forums: parsing fix + formatting:
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parents: 4191
diff changeset
143 node=node, uuid=shortuuid.uuid()
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
144 )
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
145 await self._p.createNode(
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
146 client, service, forum_node, self._node_options
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
147 )
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
148 value = uri.build_xmpp_uri(
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
149 "pubsub", path=service.full(), node=forum_node
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Goffi <goffi@goffi.org>
parents: 4191
diff changeset
150 )
2484
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parents:
diff changeset
151 if key in FORUM_ATTR:
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parents:
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152 forum_elt[key] = value.strip()
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parents:
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153 elif key in FORUM_SUB_ELTS:
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parents:
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154 forum_elt.addElement(key, content=value)
4192
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parents: 4191
diff changeset
155 elif key == "sub-forums":
4191
5d056d524298 core, doc, cli (forums): new `forums set` commands + doc:
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parents: 4071
diff changeset
156 assert isinstance(value, list)
4192
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Goffi <goffi@goffi.org>
parents: 4191
diff changeset
157 sub_forums_elt = forum_elt.addElement("forums")
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
158 await self._create_forums(
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Goffi <goffi@goffi.org>
parents: 4191
diff changeset
159 client, value, service, node, sub_forums_elt, names=names
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Goffi <goffi@goffi.org>
parents: 4191
diff changeset
160 )
2484
785b6a1cef0a plugin forums: first draft:
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parents:
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161 else:
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parents: 2959
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162 log.warning(_("Unknown forum attribute: {key}").format(key=key))
4192
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Goffi <goffi@goffi.org>
parents: 4191
diff changeset
163 if not forum_elt.getAttribute("title"):
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
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164 name = forum_elt.getAttribute("name")
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parents:
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165 if name:
4192
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166 forum_elt["title"] = name
2484
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167 else:
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168 raise ValueError(_("forum need a title or a name"))
4192
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diff changeset
169 if not forum_elt.getAttribute("uri") and not forum_elt.children:
3028
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170 raise ValueError(_("forum need uri or sub-forums"))
4191
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diff changeset
171 return forums_elt
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172
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173 def _parse_forums(self, parent_elt=None, forums=None):
2959
989b622faff6 plugins schema, tickets, merge_requests: use serialised data for extra dict + some cosmetic changes
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174 """Recursivly parse a <forums> elements and return corresponding forums data
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175
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parents:
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176 @param item(domish.Element): item with <forums> element
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177 @param parent_elt(domish.Element, None): element to parse
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parents:
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178 @return (list): parsed data
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parents:
diff changeset
179 @raise ValueError: item is invalid
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parents:
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180 """
4192
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Goffi <goffi@goffi.org>
parents: 4191
diff changeset
181 if parent_elt.name == "item":
2484
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diff changeset
182 forums = []
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parents:
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183 try:
4192
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Goffi <goffi@goffi.org>
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diff changeset
184 forums_elt = next(parent_elt.elements(NS_FORUMS, "forums"))
2484
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parents:
diff changeset
185 except StopIteration:
3028
ab2696e34d29 Python 3 port:
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diff changeset
186 raise ValueError(_("missing <forums> element"))
2484
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parents:
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187 else:
785b6a1cef0a plugin forums: first draft:
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parents:
diff changeset
188 forums_elt = parent_elt
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parents:
diff changeset
189 if forums is None:
4192
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
190 raise exceptions.InternalError("expected forums")
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
191 if forums_elt.name != "forums":
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
192 raise ValueError(
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
193 _("Unexpected element: {xml}").format(xml=forums_elt.toXml())
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
194 )
2484
785b6a1cef0a plugin forums: first draft:
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parents:
diff changeset
195 for forum_elt in forums_elt.elements():
4192
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
196 if forum_elt.name == "forum":
2484
785b6a1cef0a plugin forums: first draft:
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parents:
diff changeset
197 data = {}
785b6a1cef0a plugin forums: first draft:
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parents:
diff changeset
198 for attrib in FORUM_ATTR.intersection(forum_elt.attributes):
785b6a1cef0a plugin forums: first draft:
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parents:
diff changeset
199 data[attrib] = forum_elt[attrib]
785b6a1cef0a plugin forums: first draft:
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parents:
diff changeset
200 unknown = set(forum_elt.attributes).difference(FORUM_ATTR)
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
201 if unknown:
4192
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
202 log.warning(
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
203 _("Following attributes are unknown: {unknown}").format(
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
204 unknown=unknown
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
205 )
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
206 )
2484
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
207 for elt in forum_elt.elements():
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
208 if elt.name in FORUM_SUB_ELTS:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2959
diff changeset
209 data[elt.name] = str(elt)
4192
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
210 elif elt.name == "forums":
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
211 sub_forums = data["sub-forums"] = []
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3931
diff changeset
212 self._parse_forums(elt, sub_forums)
4192
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
213 if not "title" in data or not {"uri", "sub-forums"}.intersection(data):
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
214 log.warning(
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
215 _("invalid forum, ignoring: {xml}").format(xml=forum_elt.toXml())
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Goffi <goffi@goffi.org>
parents: 4191
diff changeset
216 )
2484
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
217 else:
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
218 forums.append(data)
785b6a1cef0a plugin forums: first draft:
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parents:
diff changeset
219 else:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2959
diff changeset
220 log.warning(_("unkown forums sub element: {xml}").format(xml=forum_elt))
2484
785b6a1cef0a plugin forums: first draft:
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parents:
diff changeset
221
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
222 return forums
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
223
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
224 def _get(self, service=None, node=None, forums_key=None, profile_key=C.PROF_KEY_NONE):
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
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parents: 3931
diff changeset
225 client = self.host.get_client(profile_key)
2484
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
226 if service.strip():
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
227 service = jid.JID(service)
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
228 else:
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
229 service = None
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
230 if not node.strip():
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
231 node = None
3584
edc79cefe968 plugin XEP-0060: `getItem(s)`, `publish` and `(un)subscribe` are now coroutines
Goffi <goffi@goffi.org>
parents: 3549
diff changeset
232 d = defer.ensureDeferred(self.get(client, service, node, forums_key or None))
2484
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
233 d.addCallback(lambda data: json.dumps(data))
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
234 return d
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
235
3584
edc79cefe968 plugin XEP-0060: `getItem(s)`, `publish` and `(un)subscribe` are now coroutines
Goffi <goffi@goffi.org>
parents: 3549
diff changeset
236 async def get(self, client, service=None, node=None, forums_key=None):
2484
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
237 if service is None:
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
238 service = client.pubsub_service
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
239 if node is None:
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
240 node = NS_FORUMS
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
241 if forums_key is None:
4192
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
242 forums_key = "default"
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3931
diff changeset
243 items_data = await self._p.get_items(client, service, node, item_ids=[forums_key])
2484
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
244 item = items_data[0][0]
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
245 # we have the item and need to convert it to json
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3931
diff changeset
246 forums = self._parse_forums(item)
3584
edc79cefe968 plugin XEP-0060: `getItem(s)`, `publish` and `(un)subscribe` are now coroutines
Goffi <goffi@goffi.org>
parents: 3549
diff changeset
247 return forums
2484
785b6a1cef0a plugin forums: first draft:
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parents:
diff changeset
248
4192
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
249 def _set(
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
250 self,
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
251 forums: str,
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
252 service_s: str = "",
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
253 node_s: str = "",
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
254 forums_key: str = "",
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
255 profile_key: str = C.PROF_KEY_NONE,
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
256 ) -> defer.Deferred:
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3931
diff changeset
257 client = self.host.get_client(profile_key)
2484
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
258 forums = json.loads(forums)
4192
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
259 if not service_s.strip():
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
260 service = None
2484
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
261 else:
4192
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
262 service = jid.JID(service_s)
1d24ff583794 plugin forums: parsing fix + formatting:
Goffi <goffi@goffi.org>
parents: 4191
diff changeset
263 node = None if not node_s.strip() else node_s
3584
edc79cefe968 plugin XEP-0060: `getItem(s)`, `publish` and `(un)subscribe` are now coroutines
Goffi <goffi@goffi.org>
parents: 3549
diff changeset
264 return defer.ensureDeferred(
edc79cefe968 plugin XEP-0060: `getItem(s)`, `publish` and `(un)subscribe` are now coroutines
Goffi <goffi@goffi.org>
parents: 3549
diff changeset
265 self.set(client, forums, service, node, forums_key or None)
edc79cefe968 plugin XEP-0060: `getItem(s)`, `publish` and `(un)subscribe` are now coroutines
Goffi <goffi@goffi.org>
parents: 3549
diff changeset
266 )
2484
785b6a1cef0a plugin forums: first draft:
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parents:
diff changeset
267
3584
edc79cefe968 plugin XEP-0060: `getItem(s)`, `publish` and `(un)subscribe` are now coroutines
Goffi <goffi@goffi.org>
parents: 3549
diff changeset
268 async def set(self, client, forums, service=None, node=None, forums_key=None):
2959
989b622faff6 plugins schema, tickets, merge_requests: use serialised data for extra dict + some cosmetic changes
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
269 """Create or replace forums structure
2484
785b6a1cef0a plugin forums: first draft:
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parents:
diff changeset
270
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
271 @param forums(list): list of dictionary as follow:
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
272 a dictionary represent a forum metadata, with the following keys:
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
273 - title: title of the forum
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
274 - name: short name (unique in those forums) for the forum
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
275 - main-language: main language to be use in the forums
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
276 - uri: XMPP uri to the microblog node hosting the forum
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
277 - short-desc: short description of the forum (in main-language)
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
278 - desc: long description of the forum (in main-language)
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
279 - sub-forums: a list of sub-forums with the same structure
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
280 title or name is needed, and uri or sub-forums
785b6a1cef0a plugin forums: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
281 @param forums_key(unicode, None): key (i.e. item id) of the forums
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282 may be used to store different forums structures for different languages
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283 None to use "default"
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284 """
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285 if service is None:
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286 service = client.pubsub_service
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287 if node is None:
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288 node = NS_FORUMS
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289 if forums_key is None:
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290 forums_key = "default"
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291 forums_elt = await self._create_forums(client, forums, service, node)
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292 return await self._p.send_item(
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293 client, service, node, forums_elt, item_id=forums_key
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294 )
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295
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296 def _get_topics(self, service, node, extra=None, profile_key=C.PROF_KEY_NONE):
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297 client = self.host.get_client(profile_key)
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298 extra = self._p.parse_extra(extra)
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299 d = defer.ensureDeferred(
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300 self.get_topics(
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301 client,
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302 jid.JID(service),
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303 node,
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304 rsm_request=extra.rsm_request,
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305 extra=extra.extra,
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306 )
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307 )
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308 d.addCallback(
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309 lambda topics_data: (topics_data[0], data_format.serialise(topics_data[1]))
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310 )
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311 return d
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312
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313 async def get_topics(self, client, service, node, rsm_request=None, extra=None):
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314 """Retrieve topics data
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315
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316 Topics are simple microblog URIs with some metadata duplicated from first post
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317 """
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318 topics_data = await self._p.get_items(
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319 client, service, node, rsm_request=rsm_request, extra=extra
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320 )
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321 topics = []
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322 item_elts, metadata = topics_data
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323 for item_elt in item_elts:
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324 topic_elt = next(item_elt.elements(NS_FORUMS, "topic"))
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325 title_elt = next(topic_elt.elements(NS_FORUMS, "title"))
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326 topic = {
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327 "uri": topic_elt["uri"],
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328 "author": topic_elt["author"],
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329 "title": str(title_elt),
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330 }
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331 topics.append(topic)
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332 return (topics, metadata)
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333
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334 def _create_topic(self, service, node, mb_data, profile_key):
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335 client = self.host.get_client(profile_key)
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336 return defer.ensureDeferred(
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337 self.create_topic(client, jid.JID(service), node, mb_data)
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338 )
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339
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340 async def create_topic(self, client, service, node, mb_data):
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341 try:
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342 title = mb_data["title"]
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343 content = mb_data.pop("content")
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344 except KeyError as e:
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345 raise exceptions.DataError(
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346 "missing mandatory data: {key}".format(key=e.args[0])
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347 )
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348 else:
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349 mb_data["content_rich"] = content
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350 topic_node = FORUM_TOPIC_NODE_TPL.format(node=node, uuid=shortuuid.uuid())
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351 await self._p.createNode(client, service, topic_node, self._node_options)
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352 await self._m.send(client, mb_data, service, topic_node)
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353 topic_uri = uri.build_xmpp_uri(
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354 "pubsub", subtype="microblog", path=service.full(), node=topic_node
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355 )
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356 topic_elt = domish.Element((NS_FORUMS, "topic"))
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357 topic_elt["uri"] = topic_uri
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358 topic_elt["author"] = client.jid.userhost()
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359 topic_elt.addElement("title", content=title)
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360 await self._p.send_item(client, service, node, topic_elt)