Mercurial > libervia-backend

annotate sat/memory/disco.py @ 2851:7764383a968c

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quick_frontend (widget, chat): implementation of new sync mechanism, first draft: QuickWidget implement base of sync mechanism with a sync property which can be overriden, and resync method which is called when resynchronisation is needed. When resync is required, chat widget get missing occupant and history elements A new callable argument can be used with historyPrint, when set it is called when history has been fully printed.
author Goffi <goffi@goffi.org>
date Sun, 10 Mar 2019 18:03:11 +0100
parents 770ec685ff1f
children 2224fbbd45dd
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rev   line source
1934
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1 #!/usr/bin/env python2
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2 # -*- coding: utf-8 -*-
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3
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4 # SAT: a jabber client
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5 # Copyright (C) 2009-2019 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 import exceptions
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22 from sat.core.log import getLogger
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23
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24 log = getLogger(__name__)
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25 from twisted.words.protocols.jabber import jid
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26 from twisted.words.protocols.jabber.error import StanzaError
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27 from twisted.internet import defer
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28 from twisted.internet import reactor
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29 from twisted.python import failure
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30 from sat.core.constants import Const as C
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31 from sat.tools import xml_tools
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32 from sat.memory import persistent
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33 from wokkel import disco
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34 from base64 import b64encode
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35 from hashlib import sha1
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37
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38 TIMEOUT = 15
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39 CAP_HASH_ERROR = "ERROR"
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41
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42 class HashGenerationError(Exception):
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43 pass
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45
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46 class ByteIdentity(object):
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47 """This class manage identity as bytes (needed for i;octet sort), it is used for the hash generation"""
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49 def __init__(self, identity, lang=None):
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50 assert isinstance(identity, disco.DiscoIdentity)
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51 self.category = identity.category.encode("utf-8")
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52 self.idType = identity.type.encode("utf-8")
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53 self.name = identity.name.encode("utf-8") if identity.name else ""
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54 self.lang = lang.encode("utf-8") if lang is not None else ""
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55
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56 def __str__(self):
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57 return "%s/%s/%s/%s" % (self.category, self.idType, self.lang, self.name)
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60 class HashManager(object):
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61 """map object which manage hashes
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62
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63 persistent storage is update when a new hash is added
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64 """
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65
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66 def __init__(self, persistent):
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67 self.hashes = {
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68 CAP_HASH_ERROR: disco.DiscoInfo() # used when we can't get disco infos
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69 }
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70 self.persistent = persistent
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71
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72 def __getitem__(self, key):
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73 return self.hashes[key]
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74
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75 def __setitem__(self, hash_, disco_info):
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76 if hash_ in self.hashes:
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77 log.debug(u"ignoring hash set: it is already known")
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78 return
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79 self.hashes[hash_] = disco_info
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80 self.persistent[hash_] = disco_info.toElement().toXml()
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81
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82 def __contains__(self, hash_):
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83 return self.hashes.__contains__(hash_)
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84
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85 def load(self):
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86 def fillHashes(hashes):
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87 for hash_, xml in hashes.iteritems():
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88 element = xml_tools.ElementParser()(xml)
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89 disco_info = disco.DiscoInfo.fromElement(element)
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90 if not disco_info.features and not disco_info.identities:
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91 log.warning(
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92 _(
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93 u"no feature/identity found in disco element (hash: {cap_hash}), ignoring: {xml}"
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94 ).format(cap_hash=hash_, xml=xml)
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95 )
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96 else:
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97 self.hashes[hash_] = disco_info
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98
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99 log.info(u"Disco hashes loaded")
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100
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101 d = self.persistent.load()
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102 d.addCallback(fillHashes)
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103 return d
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104
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105
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106 class Discovery(object):
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107 """ Manage capabilities of entities """
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108
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109 def __init__(self, host):
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110 self.host = host
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111 # TODO: remove legacy hashes
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112
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113 def load(self):
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114 """Load persistent hashes"""
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115 self.hashes = HashManager(persistent.PersistentDict("disco"))
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116 return self.hashes.load()
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117
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118 @defer.inlineCallbacks
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119 def hasFeature(self, client, feature, jid_=None, node=u""):
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120 """Tell if an entity has the required feature
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121
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122 @param feature: feature namespace
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123 @param jid_: jid of the target, or None for profile's server
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124 @param node(unicode): optional node to use for disco request
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125 @return: a Deferred which fire a boolean (True if feature is available)
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diff changeset
126 """
2148
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diff changeset
127 disco_infos = yield self.getInfos(client, jid_, node)
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parents: 963
diff changeset
128 defer.returnValue(feature in disco_infos.features)
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diff changeset
129
027a054c6dda core (disco): added checkFeature method + fixed hasFeature test
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diff changeset
130 @defer.inlineCallbacks
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131 def checkFeature(self, client, feature, jid_=None, node=u""):
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027a054c6dda core (disco): added checkFeature method + fixed hasFeature test
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132 """Like hasFeature, but raise an exception is feature is not Found
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133
027a054c6dda core (disco): added checkFeature method + fixed hasFeature test
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diff changeset
134 @param feature: feature namespace
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diff changeset
135 @param jid_: jid of the target, or None for profile's server
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136 @param node(unicode): optional node to use for disco request
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diff changeset
137
027a054c6dda core (disco): added checkFeature method + fixed hasFeature test
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diff changeset
138 @raise: exceptions.FeatureNotFound
027a054c6dda core (disco): added checkFeature method + fixed hasFeature test
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diff changeset
139 """
2148
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diff changeset
140 disco_infos = yield self.getInfos(client, jid_, node)
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parents: 963
diff changeset
141 if not feature in disco_infos.features:
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parents: 1491
diff changeset
142 raise failure.Failure(exceptions.FeatureNotFound)
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704ca56f5ca9 core (disco): added checkFeatures to check several features at once + identities are now managed with a tuple in findFeaturesSet and checkFeatures
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parents: 1484
diff changeset
143
704ca56f5ca9 core (disco): added checkFeatures to check several features at once + identities are now managed with a tuple in findFeaturesSet and checkFeatures
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diff changeset
144 @defer.inlineCallbacks
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145 def checkFeatures(self, client, features, jid_=None, identity=None, node=u""):
1491
704ca56f5ca9 core (disco): added checkFeatures to check several features at once + identities are now managed with a tuple in findFeaturesSet and checkFeatures
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parents: 1484
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146 """Like checkFeature, but check several features at once, and check also identity
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parents: 1484
diff changeset
147
704ca56f5ca9 core (disco): added checkFeatures to check several features at once + identities are now managed with a tuple in findFeaturesSet and checkFeatures
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diff changeset
148 @param features(iterable[unicode]): features to check
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149 @param jid_(jid.JID): jid of the target, or None for profile's server
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150 @param node(unicode): optional node to use for disco request
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151 @param identity(None, tuple(unicode, unicode): if not None, the entity must have an identity with this (category, type) tuple
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diff changeset
152
704ca56f5ca9 core (disco): added checkFeatures to check several features at once + identities are now managed with a tuple in findFeaturesSet and checkFeatures
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diff changeset
153 @raise: exceptions.FeatureNotFound
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diff changeset
154 """
2148
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155 disco_infos = yield self.getInfos(client, jid_, node)
1491
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diff changeset
156 if not set(features).issubset(disco_infos.features):
1493
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diff changeset
157 raise failure.Failure(exceptions.FeatureNotFound())
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diff changeset
158
704ca56f5ca9 core (disco): added checkFeatures to check several features at once + identities are now managed with a tuple in findFeaturesSet and checkFeatures
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diff changeset
159 if identity is not None and identity not in disco_infos.identities:
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parents: 1491
diff changeset
160 raise failure.Failure(exceptions.FeatureNotFound())
282
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
161
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162 def getInfos(self, client, jid_=None, node=u"", use_cache=True):
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163 """get disco infos from jid_, filling capability hash if needed
594
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parents: 588
diff changeset
164
944
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165 @param jid_: jid of the target, or None for profile's server
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diff changeset
166 @param node(unicode): optional node to use for disco request
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diff changeset
167 @param use_cache(bool): if True, use cached data if available
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diff changeset
168 @return: a Deferred which fire disco.DiscoInfo
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diff changeset
169 """
e1842ebcb2f3 core, plugin XEP-0115: discovery refactoring:
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diff changeset
170 if jid_ is None:
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diff changeset
171 jid_ = jid.JID(client.jid.host)
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diff changeset
172 try:
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diff changeset
173 if not use_cache:
f047d5410040 core (memory/disco): added use_cache parameter to discoInfos/discoItems (set to False to ignore cache)
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parents: 2150
diff changeset
174 # we ignore cache, so we pretend we haven't found it
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diff changeset
175 raise KeyError
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diff changeset
176 cap_hash = self.host.memory.getEntityData(
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diff changeset
177 jid_, [C.ENTITY_CAP_HASH], client.profile
56f94936df1e code style reformatting using black
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diff changeset
178 )[C.ENTITY_CAP_HASH]
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diff changeset
179 except (KeyError, exceptions.UnknownEntityError):
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diff changeset
180 # capability hash is not available, we'll compute one
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parents: 963
diff changeset
181 def infosCb(disco_infos):
4a8903021fda core (disco): findFeaturesSet and findServiceEntities don't use inlineCallbacks anymore, that allow a better error management (no more anonying debugger raise when discoInfo fails in debug mode)
Goffi <goffi@goffi.org>
parents: 963
diff changeset
182 cap_hash = self.generateHash(disco_infos)
4a8903021fda core (disco): findFeaturesSet and findServiceEntities don't use inlineCallbacks anymore, that allow a better error management (no more anonying debugger raise when discoInfo fails in debug mode)
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parents: 963
diff changeset
183 self.hashes[cap_hash] = disco_infos
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diff changeset
184 self.host.memory.updateEntityData(
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diff changeset
185 jid_, C.ENTITY_CAP_HASH, cap_hash, profile_key=client.profile
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diff changeset
186 )
973
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parents: 963
diff changeset
187 return disco_infos
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diff changeset
188
1752
cbcc223c323a core (disco): display a warning when a disco info/items request failed, and return empty DiscoInfo/DiscoITems
Goffi <goffi@goffi.org>
parents: 1684
diff changeset
189 def infosEb(fail):
cbcc223c323a core (disco): display a warning when a disco info/items request failed, and return empty DiscoInfo/DiscoITems
Goffi <goffi@goffi.org>
parents: 1684
diff changeset
190 if fail.check(defer.CancelledError):
cbcc223c323a core (disco): display a warning when a disco info/items request failed, and return empty DiscoInfo/DiscoITems
Goffi <goffi@goffi.org>
parents: 1684
diff changeset
191 reason = u"request time-out"
2768
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parents: 2765
diff changeset
192 fail = failure.Failure(exceptions.TimeOutError(fail.message))
1752
cbcc223c323a core (disco): display a warning when a disco info/items request failed, and return empty DiscoInfo/DiscoITems
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parents: 1684
diff changeset
193 else:
cbcc223c323a core (disco): display a warning when a disco info/items request failed, and return empty DiscoInfo/DiscoITems
Goffi <goffi@goffi.org>
parents: 1684
diff changeset
194 try:
cbcc223c323a core (disco): display a warning when a disco info/items request failed, and return empty DiscoInfo/DiscoITems
Goffi <goffi@goffi.org>
parents: 1684
diff changeset
195 reason = unicode(fail.value)
cbcc223c323a core (disco): display a warning when a disco info/items request failed, and return empty DiscoInfo/DiscoITems
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parents: 1684
diff changeset
196 except AttributeError:
cbcc223c323a core (disco): display a warning when a disco info/items request failed, and return empty DiscoInfo/DiscoITems
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parents: 1684
diff changeset
197 reason = unicode(fail)
2768
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diff changeset
198
cb34af35af6f core (disco): client.disco.requestInfo failure are re-raised:
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parents: 2765
diff changeset
199 log.warning(
cb34af35af6f core (disco): client.disco.requestInfo failure are re-raised:
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parents: 2765
diff changeset
200 u"Error while requesting disco infos from {jid}: {reason}".format(
cb34af35af6f core (disco): client.disco.requestInfo failure are re-raised:
Goffi <goffi@goffi.org>
parents: 2765
diff changeset
201 jid=jid_.full(), reason=reason
2624
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parents: 2587
diff changeset
202 )
2768
cb34af35af6f core (disco): client.disco.requestInfo failure are re-raised:
Goffi <goffi@goffi.org>
parents: 2765
diff changeset
203 )
cb34af35af6f core (disco): client.disco.requestInfo failure are re-raised:
Goffi <goffi@goffi.org>
parents: 2765
diff changeset
204
cb34af35af6f core (disco): client.disco.requestInfo failure are re-raised:
Goffi <goffi@goffi.org>
parents: 2765
diff changeset
205 # XXX we set empty disco in cache, to avoid getting an error or waiting
cb34af35af6f core (disco): client.disco.requestInfo failure are re-raised:
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parents: 2765
diff changeset
206 # for a timeout again the next time
2624
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diff changeset
207 self.host.memory.updateEntityData(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2587
diff changeset
208 jid_, C.ENTITY_CAP_HASH, CAP_HASH_ERROR, profile_key=client.profile
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2587
diff changeset
209 )
2768
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parents: 2765
diff changeset
210 raise fail
2624
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diff changeset
211
2148
a543eda2c923 core (memory/disco): getInfos now handle node + use client instead of profile in many methods
Goffi <goffi@goffi.org>
parents: 2096
diff changeset
212 d = client.disco.requestInfo(jid_, nodeIdentifier=node)
973
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Goffi <goffi@goffi.org>
parents: 963
diff changeset
213 d.addCallback(infosCb)
1752
cbcc223c323a core (disco): display a warning when a disco info/items request failed, and return empty DiscoInfo/DiscoITems
Goffi <goffi@goffi.org>
parents: 1684
diff changeset
214 d.addErrback(infosEb)
973
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Goffi <goffi@goffi.org>
parents: 963
diff changeset
215 return d
1290
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diff changeset
216 else:
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diff changeset
217 disco_infos = self.hashes[cap_hash]
faa1129559b8 core, frontends: refactoring to base Libervia on QuickFrontend (big mixed commit):
Goffi <goffi@goffi.org>
parents: 1216
diff changeset
218 return defer.succeed(disco_infos)
587
952322b1d490 Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 572
diff changeset
219
944
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diff changeset
220 @defer.inlineCallbacks
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parents: 2587
diff changeset
221 def getItems(self, client, jid_=None, node=u"", use_cache=True):
944
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parents: 941
diff changeset
222 """get disco items from jid_, cache them for our own server
587
952322b1d490 Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 572
diff changeset
223
2148
a543eda2c923 core (memory/disco): getInfos now handle node + use client instead of profile in many methods
Goffi <goffi@goffi.org>
parents: 2096
diff changeset
224 @param jid_(jid.JID): jid of the target, or None for profile's server
a543eda2c923 core (memory/disco): getInfos now handle node + use client instead of profile in many methods
Goffi <goffi@goffi.org>
parents: 2096
diff changeset
225 @param node(unicode): optional node to use for disco request
2342
f047d5410040 core (memory/disco): added use_cache parameter to discoInfos/discoItems (set to False to ignore cache)
Goffi <goffi@goffi.org>
parents: 2150
diff changeset
226 @param use_cache(bool): if True, use cached data if available
963
723f28cd15c7 core (disco): added discoInfos and discoItems bridge methods
Goffi <goffi@goffi.org>
parents: 961
diff changeset
227 @return: a Deferred which fire disco.DiscoItems
944
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Goffi <goffi@goffi.org>
parents: 941
diff changeset
228 """
2407
cf9b276f4a08 core (disco): do not cache disco items when node is set
Goffi <goffi@goffi.org>
parents: 2342
diff changeset
229 server_jid = jid.JID(client.jid.host)
944
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Goffi <goffi@goffi.org>
parents: 941
diff changeset
230 if jid_ is None:
2407
cf9b276f4a08 core (disco): do not cache disco items when node is set
Goffi <goffi@goffi.org>
parents: 2342
diff changeset
231 jid_ = server_jid
cf9b276f4a08 core (disco): do not cache disco items when node is set
Goffi <goffi@goffi.org>
parents: 2342
diff changeset
232
cf9b276f4a08 core (disco): do not cache disco items when node is set
Goffi <goffi@goffi.org>
parents: 2342
diff changeset
233 if jid_ == server_jid and not node:
cf9b276f4a08 core (disco): do not cache disco items when node is set
Goffi <goffi@goffi.org>
parents: 2342
diff changeset
234 # we cache items only for our own server and if node is not set
944
e1842ebcb2f3 core, plugin XEP-0115: discovery refactoring:
Goffi <goffi@goffi.org>
parents: 941
diff changeset
235 try:
2624
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Goffi <goffi@goffi.org>
parents: 2587
diff changeset
236 items = self.host.memory.getEntityData(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2587
diff changeset
237 jid_, ["DISCO_ITEMS"], client.profile
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parents: 2587
diff changeset
238 )["DISCO_ITEMS"]
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souliane <souliane@mailoo.org>
parents: 1396
diff changeset
239 log.debug(u"[%s] disco items are in cache" % jid_.full())
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f047d5410040 core (memory/disco): added use_cache parameter to discoInfos/discoItems (set to False to ignore cache)
Goffi <goffi@goffi.org>
parents: 2150
diff changeset
240 if not use_cache:
f047d5410040 core (memory/disco): added use_cache parameter to discoInfos/discoItems (set to False to ignore cache)
Goffi <goffi@goffi.org>
parents: 2150
diff changeset
241 # we ignore cache, so we pretend we haven't found it
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Goffi <goffi@goffi.org>
parents: 2150
diff changeset
242 raise KeyError
1290
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Goffi <goffi@goffi.org>
parents: 1216
diff changeset
243 except (KeyError, exceptions.UnknownEntityError):
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souliane <souliane@mailoo.org>
parents: 1396
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244 log.debug(u"Caching [%s] disco items" % jid_.full())
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Goffi <goffi@goffi.org>
parents: 2096
diff changeset
245 items = yield client.disco.requestItems(jid_, nodeIdentifier=node)
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parents: 2587
diff changeset
246 self.host.memory.updateEntityData(
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parents: 2587
diff changeset
247 jid_, "DISCO_ITEMS", items, profile_key=client.profile
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parents: 2587
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248 )
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diff changeset
249 else:
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parents: 1684
diff changeset
250 try:
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parents: 2096
diff changeset
251 items = yield client.disco.requestItems(jid_, nodeIdentifier=node)
1752
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Goffi <goffi@goffi.org>
parents: 1684
diff changeset
252 except StanzaError as e:
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Goffi <goffi@goffi.org>
parents: 2587
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253 log.warning(
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Goffi <goffi@goffi.org>
parents: 2587
diff changeset
254 u"Error while requesting items for {jid}: {reason}".format(
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Goffi <goffi@goffi.org>
parents: 2587
diff changeset
255 jid=jid_.full(), reason=e.condition
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Goffi <goffi@goffi.org>
parents: 2587
diff changeset
256 )
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parents: 2587
diff changeset
257 )
1752
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Goffi <goffi@goffi.org>
parents: 1684
diff changeset
258 items = disco.DiscoItems()
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259
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Goffi <goffi@goffi.org>
parents: 941
diff changeset
260 defer.returnValue(items)
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 572
diff changeset
261
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Goffi <goffi@goffi.org>
parents: 1491
diff changeset
262 def _infosEb(self, failure_, entity_jid):
1285c714a6cc core (disco): use of failure.Failure when raising FeatureNotFound to avoid a jump in debugger in debug mode
Goffi <goffi@goffi.org>
parents: 1491
diff changeset
263 failure_.trap(StanzaError)
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parents: 2587
diff changeset
264 log.warning(
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parents: 2587
diff changeset
265 _(u"Error while requesting [%(jid)s]: %(error)s")
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parents: 2587
diff changeset
266 % {"jid": entity_jid.full(), "error": failure_.getErrorMessage()}
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parents: 2587
diff changeset
267 )
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parents: 963
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268
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Goffi <goffi@goffi.org>
parents: 2414
diff changeset
269 def findServiceEntity(self, client, category, type_, jid_=None):
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parents: 2414
diff changeset
270 """Helper method to find first available entity from findServiceEntities
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parents: 2414
diff changeset
271
a9fac72825a2 memory (disco): added findServiceEntity helper method to get first service of a kind
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parents: 2414
diff changeset
272 args are the same as for [findServiceEntities]
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parents: 2414
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273 @return (jid.JID, None): found entity
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parents: 2414
diff changeset
274 """
a9fac72825a2 memory (disco): added findServiceEntity helper method to get first service of a kind
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parents: 2414
diff changeset
275 d = self.host.findServiceEntities(client, "pubsub", "service")
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Goffi <goffi@goffi.org>
parents: 2414
diff changeset
276 d.addCallback(lambda entities: entities.pop() if entities else None)
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Goffi <goffi@goffi.org>
parents: 2414
diff changeset
277 return d
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Goffi <goffi@goffi.org>
parents: 2414
diff changeset
278
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diff changeset
279 def findServiceEntities(self, client, category, type_, jid_=None):
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parents: 941
diff changeset
280 """Return all available items of an entity which correspond to (category, type_)
587
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 572
diff changeset
281
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parents: 941
diff changeset
282 @param category: identity's category
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parents: 941
diff changeset
283 @param type_: identitiy's type
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parents: 941
diff changeset
284 @param jid_: the jid of the target server (None for profile's server)
1460
c7fd121a6180 core: getProfileName no raise ProfileUnknownError + minor doc fixes
Goffi <goffi@goffi.org>
parents: 1416
diff changeset
285 @return: a set of found entities
1675
fd143578fe89 plugin XEP-0065: fixed bad error handling
Goffi <goffi@goffi.org>
parents: 1552
diff changeset
286 @raise defer.CancelledError: the request timed out
944
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parents: 941
diff changeset
287 """
973
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Goffi <goffi@goffi.org>
parents: 963
diff changeset
288 found_entities = set()
4a8903021fda core (disco): findFeaturesSet and findServiceEntities don't use inlineCallbacks anymore, that allow a better error management (no more anonying debugger raise when discoInfo fails in debug mode)
Goffi <goffi@goffi.org>
parents: 963
diff changeset
289
4a8903021fda core (disco): findFeaturesSet and findServiceEntities don't use inlineCallbacks anymore, that allow a better error management (no more anonying debugger raise when discoInfo fails in debug mode)
Goffi <goffi@goffi.org>
parents: 963
diff changeset
290 def infosCb(infos, entity_jid):
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parents: 941
diff changeset
291 if (category, type_) in infos.identities:
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Goffi <goffi@goffi.org>
parents: 963
diff changeset
292 found_entities.add(entity_jid)
282
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Goffi <goffi@goffi.org>
parents:
diff changeset
293
973
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parents: 963
diff changeset
294 def gotItems(items):
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Goffi <goffi@goffi.org>
parents: 963
diff changeset
295 defers_list = []
4a8903021fda core (disco): findFeaturesSet and findServiceEntities don't use inlineCallbacks anymore, that allow a better error management (no more anonying debugger raise when discoInfo fails in debug mode)
Goffi <goffi@goffi.org>
parents: 963
diff changeset
296 for item in items:
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Goffi <goffi@goffi.org>
parents: 2096
diff changeset
297 info_d = self.getInfos(client, item.entity)
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parents: 2587
diff changeset
298 info_d.addCallbacks(
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parents: 2587
diff changeset
299 infosCb, self._infosEb, [item.entity], None, [item.entity]
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parents: 2587
diff changeset
300 )
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Goffi <goffi@goffi.org>
parents: 963
diff changeset
301 defers_list.append(info_d)
4a8903021fda core (disco): findFeaturesSet and findServiceEntities don't use inlineCallbacks anymore, that allow a better error management (no more anonying debugger raise when discoInfo fails in debug mode)
Goffi <goffi@goffi.org>
parents: 963
diff changeset
302 return defer.DeferredList(defers_list)
944
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parents: 941
diff changeset
303
2148
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Goffi <goffi@goffi.org>
parents: 2096
diff changeset
304 d = self.getItems(client, jid_)
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Goffi <goffi@goffi.org>
parents: 963
diff changeset
305 d.addCallback(gotItems)
2765
378188abe941 misc: replaced all "dummy" by the more conventional and readable "__" ("_" being used for gettext)
Goffi <goffi@goffi.org>
parents: 2712
diff changeset
306 d.addCallback(lambda __: found_entities)
2624
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Goffi <goffi@goffi.org>
parents: 2587
diff changeset
307 reactor.callLater(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2587
diff changeset
308 TIMEOUT, d.cancel
56f94936df1e code style reformatting using black
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parents: 2587
diff changeset
309 ) # FIXME: one bad service make a general timeout
973
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Goffi <goffi@goffi.org>
parents: 963
diff changeset
310 return d
4a8903021fda core (disco): findFeaturesSet and findServiceEntities don't use inlineCallbacks anymore, that allow a better error management (no more anonying debugger raise when discoInfo fails in debug mode)
Goffi <goffi@goffi.org>
parents: 963
diff changeset
311
2148
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parents: 2096
diff changeset
312 def findFeaturesSet(self, client, features, identity=None, jid_=None):
944
e1842ebcb2f3 core, plugin XEP-0115: discovery refactoring:
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parents: 941
diff changeset
313 """Return entities (including jid_ and its items) offering features
587
952322b1d490 Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 572
diff changeset
314
944
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Goffi <goffi@goffi.org>
parents: 941
diff changeset
315 @param features: iterable of features which must be present
1491
704ca56f5ca9 core (disco): added checkFeatures to check several features at once + identities are now managed with a tuple in findFeaturesSet and checkFeatures
Goffi <goffi@goffi.org>
parents: 1484
diff changeset
316 @param identity(None, tuple(unicode, unicode)): if not None, accept only this (category/type) identity
944
e1842ebcb2f3 core, plugin XEP-0115: discovery refactoring:
Goffi <goffi@goffi.org>
parents: 941
diff changeset
317 @param jid_: the jid of the target server (None for profile's server)
1552
e0bde0d0b321 core (disco): use of “profile” instead of “profile_key” in several disco methods
Goffi <goffi@goffi.org>
parents: 1493
diff changeset
318 @param profile: %(doc_profile)s
944
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parents: 941
diff changeset
319 @return: a set of found entities
e1842ebcb2f3 core, plugin XEP-0115: discovery refactoring:
Goffi <goffi@goffi.org>
parents: 941
diff changeset
320 """
e1842ebcb2f3 core, plugin XEP-0115: discovery refactoring:
Goffi <goffi@goffi.org>
parents: 941
diff changeset
321 if jid_ is None:
e1842ebcb2f3 core, plugin XEP-0115: discovery refactoring:
Goffi <goffi@goffi.org>
parents: 941
diff changeset
322 jid_ = jid.JID(client.jid.host)
e1842ebcb2f3 core, plugin XEP-0115: discovery refactoring:
Goffi <goffi@goffi.org>
parents: 941
diff changeset
323 features = set(features)
e1842ebcb2f3 core, plugin XEP-0115: discovery refactoring:
Goffi <goffi@goffi.org>
parents: 941
diff changeset
324 found_entities = set()
282
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
325
973
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Goffi <goffi@goffi.org>
parents: 963
diff changeset
326 def infosCb(infos, entity):
2533
8d82a62fa098 core (disco), plugin XEP-0115: client use + capabilities hash improvment:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
327 if entity is None:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2587
diff changeset
328 log.warning(_(u"received an item without jid"))
2533
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Goffi <goffi@goffi.org>
parents: 2483
diff changeset
329 return
1491
704ca56f5ca9 core (disco): added checkFeatures to check several features at once + identities are now managed with a tuple in findFeaturesSet and checkFeatures
Goffi <goffi@goffi.org>
parents: 1484
diff changeset
330 if identity is not None and identity not in infos.identities:
704ca56f5ca9 core (disco): added checkFeatures to check several features at once + identities are now managed with a tuple in findFeaturesSet and checkFeatures
Goffi <goffi@goffi.org>
parents: 1484
diff changeset
331 return
944
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Goffi <goffi@goffi.org>
parents: 941
diff changeset
332 if features.issubset(infos.features):
e1842ebcb2f3 core, plugin XEP-0115: discovery refactoring:
Goffi <goffi@goffi.org>
parents: 941
diff changeset
333 found_entities.add(entity)
282
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
334
973
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Goffi <goffi@goffi.org>
parents: 963
diff changeset
335 def gotItems(items):
4a8903021fda core (disco): findFeaturesSet and findServiceEntities don't use inlineCallbacks anymore, that allow a better error management (no more anonying debugger raise when discoInfo fails in debug mode)
Goffi <goffi@goffi.org>
parents: 963
diff changeset
336 defer_list = []
4a8903021fda core (disco): findFeaturesSet and findServiceEntities don't use inlineCallbacks anymore, that allow a better error management (no more anonying debugger raise when discoInfo fails in debug mode)
Goffi <goffi@goffi.org>
parents: 963
diff changeset
337 for entity in [jid_] + [item.entity for item in items]:
2148
a543eda2c923 core (memory/disco): getInfos now handle node + use client instead of profile in many methods
Goffi <goffi@goffi.org>
parents: 2096
diff changeset
338 infos_d = self.getInfos(client, entity)
973
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Goffi <goffi@goffi.org>
parents: 963
diff changeset
339 infos_d.addCallbacks(infosCb, self._infosEb, [entity], None, [entity])
1484
05b821a0ff5a core (disco): fixed bad indentation resulting in bad result in findFeaturesSet
Goffi <goffi@goffi.org>
parents: 1460
diff changeset
340 defer_list.append(infos_d)
973
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Goffi <goffi@goffi.org>
parents: 963
diff changeset
341 return defer.DeferredList(defer_list)
4a8903021fda core (disco): findFeaturesSet and findServiceEntities don't use inlineCallbacks anymore, that allow a better error management (no more anonying debugger raise when discoInfo fails in debug mode)
Goffi <goffi@goffi.org>
parents: 963
diff changeset
342
2148
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Goffi <goffi@goffi.org>
parents: 2096
diff changeset
343 d = self.getItems(client, jid_)
973
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Goffi <goffi@goffi.org>
parents: 963
diff changeset
344 d.addCallback(gotItems)
2765
378188abe941 misc: replaced all "dummy" by the more conventional and readable "__" ("_" being used for gettext)
Goffi <goffi@goffi.org>
parents: 2712
diff changeset
345 d.addCallback(lambda __: found_entities)
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parents: 2587
diff changeset
346 reactor.callLater(
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Goffi <goffi@goffi.org>
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diff changeset
347 TIMEOUT, d.cancel
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parents: 2587
diff changeset
348 ) # FIXME: one bad service make a general timeout
973
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Goffi <goffi@goffi.org>
parents: 963
diff changeset
349 return d
944
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diff changeset
350
e1842ebcb2f3 core, plugin XEP-0115: discovery refactoring:
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parents: 941
diff changeset
351 def generateHash(self, services):
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parents: 941
diff changeset
352 """ Generate a unique hash for given service
e1842ebcb2f3 core, plugin XEP-0115: discovery refactoring:
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parents: 941
diff changeset
353
e1842ebcb2f3 core, plugin XEP-0115: discovery refactoring:
Goffi <goffi@goffi.org>
parents: 941
diff changeset
354 hash algorithm is the one described in XEP-0115
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Goffi <goffi@goffi.org>
parents: 941
diff changeset
355 @param services: iterable of disco.DiscoIdentity/disco.DiscoFeature, as returned by discoHandler.info
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Goffi <goffi@goffi.org>
parents: 941
diff changeset
356
282
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parents:
diff changeset
357 """
944
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parents: 941
diff changeset
358 s = []
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parents: 2771
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359 # identities
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parents: 2587
diff changeset
360 byte_identities = [
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parents: 2587
diff changeset
361 ByteIdentity(service)
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parents: 2587
diff changeset
362 for service in services
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parents: 2587
diff changeset
363 if isinstance(service, disco.DiscoIdentity)
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parents: 2587
diff changeset
364 ] # FIXME: lang must be managed here
944
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parents: 941
diff changeset
365 byte_identities.sort(key=lambda i: i.lang)
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parents: 941
diff changeset
366 byte_identities.sort(key=lambda i: i.idType)
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Goffi <goffi@goffi.org>
parents: 941
diff changeset
367 byte_identities.sort(key=lambda i: i.category)
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Goffi <goffi@goffi.org>
parents: 941
diff changeset
368 for identity in byte_identities:
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Goffi <goffi@goffi.org>
parents: 941
diff changeset
369 s.append(str(identity))
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parents: 2587
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370 s.append("<")
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parents: 2771
diff changeset
371 # features
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parents: 2587
diff changeset
372 byte_features = [
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parents: 2587
diff changeset
373 service.encode("utf-8")
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parents: 2587
diff changeset
374 for service in services
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parents: 2587
diff changeset
375 if isinstance(service, disco.DiscoFeature)
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parents: 2587
diff changeset
376 ]
944
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parents: 941
diff changeset
377 byte_features.sort() # XXX: the default sort has the same behaviour as the requested RFC 4790 i;octet sort
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Goffi <goffi@goffi.org>
parents: 941
diff changeset
378 for feature in byte_features:
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parents: 941
diff changeset
379 s.append(feature)
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diff changeset
380 s.append("<")
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parents: 2771
diff changeset
381
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Goffi <goffi@goffi.org>
parents: 2771
diff changeset
382 # extensions
770ec685ff1f core (disco): added missing disco extensions when generating the cap hash.
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
383 ext = services.extensions.values()
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Goffi <goffi@goffi.org>
parents: 2771
diff changeset
384 ext.sort(key=lambda f: f.formNamespace.encode('utf-8'))
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Goffi <goffi@goffi.org>
parents: 2771
diff changeset
385 for extension in ext:
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Goffi <goffi@goffi.org>
parents: 2771
diff changeset
386 s.append(extension.formNamespace.encode('utf-8'))
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Goffi <goffi@goffi.org>
parents: 2771
diff changeset
387 s.append("<")
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Goffi <goffi@goffi.org>
parents: 2771
diff changeset
388 fields = extension.fieldList
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parents: 2771
diff changeset
389 fields.sort(key=lambda f: f.var.encode('utf-8'))
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Goffi <goffi@goffi.org>
parents: 2771
diff changeset
390 for field in fields:
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Goffi <goffi@goffi.org>
parents: 2771
diff changeset
391 s.append(field.var.encode('utf-8'))
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Goffi <goffi@goffi.org>
parents: 2771
diff changeset
392 s.append("<")
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Goffi <goffi@goffi.org>
parents: 2771
diff changeset
393 values = [v.encode('utf-8') for v in field.values]
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Goffi <goffi@goffi.org>
parents: 2771
diff changeset
394 values.sort()
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Goffi <goffi@goffi.org>
parents: 2771
diff changeset
395 for value in values:
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Goffi <goffi@goffi.org>
parents: 2771
diff changeset
396 s.append(value)
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Goffi <goffi@goffi.org>
parents: 2771
diff changeset
397 s.append("<")
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Goffi <goffi@goffi.org>
parents: 2771
diff changeset
398
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parents: 2587
diff changeset
399 cap_hash = b64encode(sha1("".join(s)).digest())
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Goffi <goffi@goffi.org>
parents: 2771
diff changeset
400 log.debug(_(u"Capability hash generated: [{cap_hash}]").format(cap_hash=cap_hash))
944
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Goffi <goffi@goffi.org>
parents: 941
diff changeset
401 return cap_hash
963
723f28cd15c7 core (disco): added discoInfos and discoItems bridge methods
Goffi <goffi@goffi.org>
parents: 961
diff changeset
402
723f28cd15c7 core (disco): added discoInfos and discoItems bridge methods
Goffi <goffi@goffi.org>
parents: 961
diff changeset
403 @defer.inlineCallbacks
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parents: 2587
diff changeset
404 def _discoInfos(
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Goffi <goffi@goffi.org>
parents: 2587
diff changeset
405 self, entity_jid_s, node=u"", use_cache=True, profile_key=C.PROF_KEY_NONE
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parents: 2587
diff changeset
406 ):
963
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Goffi <goffi@goffi.org>
parents: 961
diff changeset
407 """ Discovery method for the bridge
723f28cd15c7 core (disco): added discoInfos and discoItems bridge methods
Goffi <goffi@goffi.org>
parents: 961
diff changeset
408 @param entity_jid_s: entity we want to discover
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Goffi <goffi@goffi.org>
parents: 2150
diff changeset
409 @param use_cache(bool): if True, use cached data if available
2150
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Goffi <goffi@goffi.org>
parents: 2148
diff changeset
410 @param node(unicode): optional node to use
963
723f28cd15c7 core (disco): added discoInfos and discoItems bridge methods
Goffi <goffi@goffi.org>
parents: 961
diff changeset
411
1552
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Goffi <goffi@goffi.org>
parents: 1493
diff changeset
412 @return: list of tuples
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parents: 1493
diff changeset
413 """
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Goffi <goffi@goffi.org>
parents: 2096
diff changeset
414 client = self.host.getClient(profile_key)
963
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parents: 961
diff changeset
415 entity = jid.JID(entity_jid_s)
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Goffi <goffi@goffi.org>
parents: 2150
diff changeset
416 disco_infos = yield self.getInfos(client, entity, node, use_cache)
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diff changeset
417 extensions = {}
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diff changeset
418 # FIXME: should extensions be serialised using tools.common.data_format?
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parents: 1409
diff changeset
419 for form_type, form in disco_infos.extensions.items():
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Goffi <goffi@goffi.org>
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diff changeset
420 fields = []
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diff changeset
421 for field in form.fieldList:
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422 data = {"type": field.fieldType}
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423 for attr in ("var", "label", "desc"):
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diff changeset
424 value = getattr(field, attr)
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parents: 1409
diff changeset
425 if value is not None:
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parents: 1409
diff changeset
426 data[attr] = value
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
427
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parents: 1414
diff changeset
428 values = [field.value] if field.value is not None else field.values
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parents: 2624
diff changeset
429 if field.fieldType == u"boolean":
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parents: 2624
diff changeset
430 values = [C.boolConst(C.bool(v)) for v in values]
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Goffi <goffi@goffi.org>
parents: 1414
diff changeset
431 fields.append((data, values))
1414
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parents: 1409
diff changeset
432
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
433 extensions[form_type or ""] = fields
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
434
2712
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parents: 2624
diff changeset
435 defer.returnValue((
c3f59c1dcb0a core (memory/disco): normalise booleans in extensions
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
436 disco_infos.features,
c3f59c1dcb0a core (memory/disco): normalise booleans in extensions
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
437 [(cat, type_, name or "")
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Goffi <goffi@goffi.org>
parents: 2624
diff changeset
438 for (cat, type_), name in disco_infos.identities.items()],
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Goffi <goffi@goffi.org>
parents: 2624
diff changeset
439 extensions))
963
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parents: 961
diff changeset
440
2148
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parents: 2096
diff changeset
441 def items2tuples(self, disco_items):
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parents: 2096
diff changeset
442 """convert disco items to tuple of strings
a543eda2c923 core (memory/disco): getInfos now handle node + use client instead of profile in many methods
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parents: 2096
diff changeset
443
a543eda2c923 core (memory/disco): getInfos now handle node + use client instead of profile in many methods
Goffi <goffi@goffi.org>
parents: 2096
diff changeset
444 @param disco_items(iterable[disco.DiscoItem]): items
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parents: 2096
diff changeset
445 @return G(tuple[unicode,unicode,unicode]): serialised items
a543eda2c923 core (memory/disco): getInfos now handle node + use client instead of profile in many methods
Goffi <goffi@goffi.org>
parents: 2096
diff changeset
446 """
a543eda2c923 core (memory/disco): getInfos now handle node + use client instead of profile in many methods
Goffi <goffi@goffi.org>
parents: 2096
diff changeset
447 for item in disco_items:
a543eda2c923 core (memory/disco): getInfos now handle node + use client instead of profile in many methods
Goffi <goffi@goffi.org>
parents: 2096
diff changeset
448 if not item.entity:
a543eda2c923 core (memory/disco): getInfos now handle node + use client instead of profile in many methods
Goffi <goffi@goffi.org>
parents: 2096
diff changeset
449 log.warning(_(u"invalid item (no jid)"))
a543eda2c923 core (memory/disco): getInfos now handle node + use client instead of profile in many methods
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parents: 2096
diff changeset
450 continue
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parents: 2587
diff changeset
451 yield (item.entity.full(), item.nodeIdentifier or "", item.name or "")
2148
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parents: 2096
diff changeset
452
963
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parents: 961
diff changeset
453 @defer.inlineCallbacks
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parents: 2587
diff changeset
454 def _discoItems(
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parents: 2587
diff changeset
455 self, entity_jid_s, node=u"", use_cache=True, profile_key=C.PROF_KEY_NONE
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parents: 2587
diff changeset
456 ):
963
723f28cd15c7 core (disco): added discoInfos and discoItems bridge methods
Goffi <goffi@goffi.org>
parents: 961
diff changeset
457 """ Discovery method for the bridge
2148
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Goffi <goffi@goffi.org>
parents: 2096
diff changeset
458
963
723f28cd15c7 core (disco): added discoInfos and discoItems bridge methods
Goffi <goffi@goffi.org>
parents: 961
diff changeset
459 @param entity_jid_s: entity we want to discover
2150
91347fe95384 core(memory.disco), bridge: discoInfos and discoItems now handle node
Goffi <goffi@goffi.org>
parents: 2148
diff changeset
460 @param node(unicode): optional node to use
2342
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Goffi <goffi@goffi.org>
parents: 2150
diff changeset
461 @param use_cache(bool): if True, use cached data if available
1552
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parents: 1493
diff changeset
462 @return: list of tuples"""
2148
a543eda2c923 core (memory/disco): getInfos now handle node + use client instead of profile in many methods
Goffi <goffi@goffi.org>
parents: 2096
diff changeset
463 client = self.host.getClient(profile_key)
963
723f28cd15c7 core (disco): added discoInfos and discoItems bridge methods
Goffi <goffi@goffi.org>
parents: 961
diff changeset
464 entity = jid.JID(entity_jid_s)
2342
f047d5410040 core (memory/disco): added use_cache parameter to discoInfos/discoItems (set to False to ignore cache)
Goffi <goffi@goffi.org>
parents: 2150
diff changeset
465 disco_items = yield self.getItems(client, entity, node, use_cache)
2148
a543eda2c923 core (memory/disco): getInfos now handle node + use client instead of profile in many methods
Goffi <goffi@goffi.org>
parents: 2096
diff changeset
466 ret = list(self.items2tuples(disco_items))
2096
efe31f0881fb core (memory/disco): recover getItems on bridge's discoItems method if an item is empty
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
467 defer.returnValue(ret)