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annotate libervia/server/session_iface.py @ 1199:b300eaec53b6

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server: don't raise error anymore if themes_dir is invalid or legacy blog can't be created: legacy blog will be entirely removed with 0.8 release, and themes_dir is only used by it. This patch limit troubles with this old code by not raising an error anymore if option is wrong or if the legacy blog can't be created. fix 317
author Goffi <goffi@goffi.org>
date Tue, 09 Jul 2019 20:20:46 +0200
parents 352865f4a268
children b2d067339de3
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rev   line source
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1 #!/usr/bin/python
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2 # -*- coding: utf-8 -*-
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3
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4 # Libervia: a SAT frontend
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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 from zope.interface import Interface, Attribute, implements
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20 from sat.tools.common import data_objects
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21 from libervia.server.constants import Const as C
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22 from libervia.server.classes import Notification
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23 from collections import OrderedDict
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24 import os.path
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25 import shortuuid
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26 import time
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27
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28 FLAGS_KEY = "_flags"
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29 NOTIFICATIONS_KEY = "_notifications"
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30 MAX_CACHE_AFFILIATIONS = 100 # number of nodes to keep in cache
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31
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32
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33 class ISATSession(Interface):
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34 profile = Attribute("Sat profile")
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35 jid = Attribute("JID associated with the profile")
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36 uuid = Attribute("uuid associated with the profile session")
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37 identities = Attribute("Identities of XMPP entities")
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38
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39
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40 class SATSession(object):
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41 implements(ISATSession)
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42
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43 def __init__(self, session):
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44 self.profile = None
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45 self.jid = None
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46 self.started = time.time()
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47 # time when the backend session was started
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48 self.backend_started = None
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49 self.uuid = unicode(shortuuid.uuid())
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50 self.identities = data_objects.Identities()
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51 self.csrf_token = unicode(shortuuid.uuid())
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52 self.locale = None # i18n of the pages
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53 self.pages_data = {} # used to keep data accross reloads (key is page instance)
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54 self.affiliations = OrderedDict() # cache for node affiliations
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55
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56 @property
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57 def cache_dir(self):
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58 if self.profile is None:
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59 return self.service_cache_url + u"/"
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60 return os.path.join(u"/", C.CACHE_DIR, self.uuid) + u"/"
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61
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62 @property
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63 def connected(self):
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64 return self.profile is not None
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65
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66 @property
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67 def guest(self):
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68 """True if this is a guest session"""
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69 if self.profile is None:
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70 return False
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71 else:
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72 return self.profile.startswith("guest@@")
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73
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74 def getPageData(self, page, key):
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75 """get session data for a page
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76
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77 @param page(LiberviaPage): instance of the page
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78 @param key(object): data key
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79 return (None, object): value of the key
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80 None if not found or page_data doesn't exist
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81 """
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82 return self.pages_data.get(page, {}).get(key)
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83
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84 def popPageData(self, page, key, default=None):
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85 """like getPageData, but remove key once value is gotten
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86
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87 @param page(LiberviaPage): instance of the page
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88 @param key(object): data key
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89 @param default(object): value to return if key is not found
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90 @return (object): found value or default
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91 """
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92 page_data = self.pages_data.get(page)
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93 if page_data is None:
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94 return default
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95 value = page_data.pop(key, default)
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96 if not page_data:
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97 # no need to keep unused page_data
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98 del self.pages_data[page]
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99 return value
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100
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101 def setPageData(self, page, key, value):
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102 """set data to persist on reload
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103
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104 @param page(LiberviaPage): instance of the page
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105 @param key(object): data key
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106 @param value(object): value to set
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107 @return (object): set value
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108 """
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109 page_data = self.pages_data.setdefault(page, {})
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110 page_data[key] = value
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111 return value
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112
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113 def setPageFlag(self, page, flag):
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114 """set a flag for this page
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115
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116 @param page(LiberviaPage): instance of the page
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117 @param flag(unicode): flag to set
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118 """
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119 flags = self.getPageData(page, FLAGS_KEY)
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120 if flags is None:
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121 flags = self.setPageData(page, FLAGS_KEY, set())
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122 flags.add(flag)
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123
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124 def popPageFlag(self, page, flag):
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125 """return True if flag is set
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126
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127 flag is removed if it was set
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128 @param page(LiberviaPage): instance of the page
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diff changeset
129 @param flag(unicode): flag to set
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Goffi <goffi@goffi.org>
parents: 957
diff changeset
130 @return (bool): True if flaag was set
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Goffi <goffi@goffi.org>
parents: 957
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131 """
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Goffi <goffi@goffi.org>
parents: 957
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132 page_data = self.pages_data.get(page, {})
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Goffi <goffi@goffi.org>
parents: 957
diff changeset
133 flags = page_data.get(FLAGS_KEY)
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Goffi <goffi@goffi.org>
parents: 957
diff changeset
134 if flags is None:
e59edcae4c18 pages(session): added method to handle reload resistant page specific data:
Goffi <goffi@goffi.org>
parents: 957
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135 return False
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Goffi <goffi@goffi.org>
parents: 957
diff changeset
136 if flag in flags:
e59edcae4c18 pages(session): added method to handle reload resistant page specific data:
Goffi <goffi@goffi.org>
parents: 957
diff changeset
137 flags.remove(flag)
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Goffi <goffi@goffi.org>
parents: 957
diff changeset
138 # we remove data if they are not used anymore
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Goffi <goffi@goffi.org>
parents: 957
diff changeset
139 if not flags:
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Goffi <goffi@goffi.org>
parents: 957
diff changeset
140 del page_data[FLAGS_KEY]
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Goffi <goffi@goffi.org>
parents: 957
diff changeset
141 if not page_data:
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Goffi <goffi@goffi.org>
parents: 957
diff changeset
142 del self.pages_data[page]
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Goffi <goffi@goffi.org>
parents: 957
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143 return True
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Goffi <goffi@goffi.org>
parents: 957
diff changeset
144 else:
e59edcae4c18 pages(session): added method to handle reload resistant page specific data:
Goffi <goffi@goffi.org>
parents: 957
diff changeset
145 return False
919
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parents:
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146
1186
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Goffi <goffi@goffi.org>
parents: 1165
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147 def setPageNotification(self, page, message, level=C.LVL_INFO):
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Goffi <goffi@goffi.org>
parents: 1165
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148 """set a flag for this page
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Goffi <goffi@goffi.org>
parents: 1165
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149
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Goffi <goffi@goffi.org>
parents: 1165
diff changeset
150 @param page(LiberviaPage): instance of the page
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Goffi <goffi@goffi.org>
parents: 1165
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151 @param flag(unicode): flag to set
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Goffi <goffi@goffi.org>
parents: 1165
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152 """
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Goffi <goffi@goffi.org>
parents: 1165
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153 notif = Notification(message, level)
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Goffi <goffi@goffi.org>
parents: 1165
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154 notifs = self.getPageData(page, NOTIFICATIONS_KEY)
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Goffi <goffi@goffi.org>
parents: 1165
diff changeset
155 if notifs is None:
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Goffi <goffi@goffi.org>
parents: 1165
diff changeset
156 notifs = self.setPageData(page, NOTIFICATIONS_KEY, [])
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Goffi <goffi@goffi.org>
parents: 1165
diff changeset
157 notifs.append(notif)
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Goffi <goffi@goffi.org>
parents: 1165
diff changeset
158
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Goffi <goffi@goffi.org>
parents: 1165
diff changeset
159 def popPageNotifications(self, page):
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Goffi <goffi@goffi.org>
parents: 1165
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160 """Return and remove last page notification
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Goffi <goffi@goffi.org>
parents: 1165
diff changeset
161
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Goffi <goffi@goffi.org>
parents: 1165
diff changeset
162 @param page(LiberviaPage): instance of the page
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Goffi <goffi@goffi.org>
parents: 1165
diff changeset
163 @return (list[Notification]): notifications if any
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Goffi <goffi@goffi.org>
parents: 1165
diff changeset
164 """
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Goffi <goffi@goffi.org>
parents: 1165
diff changeset
165 page_data = self.pages_data.get(page, {})
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Goffi <goffi@goffi.org>
parents: 1165
diff changeset
166 notifs = page_data.get(NOTIFICATIONS_KEY)
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Goffi <goffi@goffi.org>
parents: 1165
diff changeset
167 if not notifs:
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Goffi <goffi@goffi.org>
parents: 1165
diff changeset
168 return []
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Goffi <goffi@goffi.org>
parents: 1165
diff changeset
169 ret = notifs[:]
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Goffi <goffi@goffi.org>
parents: 1165
diff changeset
170 del notifs[:]
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Goffi <goffi@goffi.org>
parents: 1165
diff changeset
171 return ret
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Goffi <goffi@goffi.org>
parents: 1165
diff changeset
172
1093
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Goffi <goffi@goffi.org>
parents: 1090
diff changeset
173 def getAffiliation(self, service, node):
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Goffi <goffi@goffi.org>
parents: 1090
diff changeset
174 """retrieve affiliation for a pubsub node
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Goffi <goffi@goffi.org>
parents: 1090
diff changeset
175
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Goffi <goffi@goffi.org>
parents: 1090
diff changeset
176 @param service(jid.JID): pubsub service
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Goffi <goffi@goffi.org>
parents: 1090
diff changeset
177 @param node(unicode): pubsub node
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Goffi <goffi@goffi.org>
parents: 1090
diff changeset
178 @return (unicode, None): affiliation, or None if it is not in cache
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Goffi <goffi@goffi.org>
parents: 1090
diff changeset
179 """
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Goffi <goffi@goffi.org>
parents: 1090
diff changeset
180 if service.resource:
eda7a1c6532a server: new getAffiliation method:
Goffi <goffi@goffi.org>
parents: 1090
diff changeset
181 raise ValueError(u"Service must not have a resource")
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Goffi <goffi@goffi.org>
parents: 1090
diff changeset
182 if not node:
eda7a1c6532a server: new getAffiliation method:
Goffi <goffi@goffi.org>
parents: 1090
diff changeset
183 raise ValueError(u"node must be set")
eda7a1c6532a server: new getAffiliation method:
Goffi <goffi@goffi.org>
parents: 1090
diff changeset
184 try:
eda7a1c6532a server: new getAffiliation method:
Goffi <goffi@goffi.org>
parents: 1090
diff changeset
185 affiliation = self.affiliations.pop((service, node))
eda7a1c6532a server: new getAffiliation method:
Goffi <goffi@goffi.org>
parents: 1090
diff changeset
186 except KeyError:
eda7a1c6532a server: new getAffiliation method:
Goffi <goffi@goffi.org>
parents: 1090
diff changeset
187 return None
eda7a1c6532a server: new getAffiliation method:
Goffi <goffi@goffi.org>
parents: 1090
diff changeset
188 else:
eda7a1c6532a server: new getAffiliation method:
Goffi <goffi@goffi.org>
parents: 1090
diff changeset
189 # we replace at the top to get the most recently used on top
eda7a1c6532a server: new getAffiliation method:
Goffi <goffi@goffi.org>
parents: 1090
diff changeset
190 # so less recently used will be removed if cache is full
eda7a1c6532a server: new getAffiliation method:
Goffi <goffi@goffi.org>
parents: 1090
diff changeset
191 self.affiliations[(service, node)] = affiliation
eda7a1c6532a server: new getAffiliation method:
Goffi <goffi@goffi.org>
parents: 1090
diff changeset
192 return affiliation
eda7a1c6532a server: new getAffiliation method:
Goffi <goffi@goffi.org>
parents: 1090
diff changeset
193
eda7a1c6532a server: new getAffiliation method:
Goffi <goffi@goffi.org>
parents: 1090
diff changeset
194 def setAffiliation(self, service, node, affiliation):
eda7a1c6532a server: new getAffiliation method:
Goffi <goffi@goffi.org>
parents: 1090
diff changeset
195 """cache affiliation for a node
eda7a1c6532a server: new getAffiliation method:
Goffi <goffi@goffi.org>
parents: 1090
diff changeset
196
eda7a1c6532a server: new getAffiliation method:
Goffi <goffi@goffi.org>
parents: 1090
diff changeset
197 will empty cache when it become too big
eda7a1c6532a server: new getAffiliation method:
Goffi <goffi@goffi.org>
parents: 1090
diff changeset
198 @param service(jid.JID): pubsub service
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Goffi <goffi@goffi.org>
parents: 1090
diff changeset
199 @param node(unicode): pubsub node
eda7a1c6532a server: new getAffiliation method:
Goffi <goffi@goffi.org>
parents: 1090
diff changeset
200 @param affiliation(unicode): affiliation to this node
eda7a1c6532a server: new getAffiliation method:
Goffi <goffi@goffi.org>
parents: 1090
diff changeset
201 """
eda7a1c6532a server: new getAffiliation method:
Goffi <goffi@goffi.org>
parents: 1090
diff changeset
202 if service.resource:
eda7a1c6532a server: new getAffiliation method:
Goffi <goffi@goffi.org>
parents: 1090
diff changeset
203 raise ValueError(u"Service must not have a resource")
eda7a1c6532a server: new getAffiliation method:
Goffi <goffi@goffi.org>
parents: 1090
diff changeset
204 if not node:
eda7a1c6532a server: new getAffiliation method:
Goffi <goffi@goffi.org>
parents: 1090
diff changeset
205 raise ValueError(u"node must be set")
eda7a1c6532a server: new getAffiliation method:
Goffi <goffi@goffi.org>
parents: 1090
diff changeset
206 self.affiliations[(service, node)] = affiliation
eda7a1c6532a server: new getAffiliation method:
Goffi <goffi@goffi.org>
parents: 1090
diff changeset
207 while len(self.affiliations) > MAX_CACHE_AFFILIATIONS:
eda7a1c6532a server: new getAffiliation method:
Goffi <goffi@goffi.org>
parents: 1090
diff changeset
208 self.affiliations.popitem(last=False)
eda7a1c6532a server: new getAffiliation method:
Goffi <goffi@goffi.org>
parents: 1090
diff changeset
209
919
7b267496da1d server: moved session interfaces to session_iface module + added SATGuestSession
Goffi <goffi@goffi.org>
parents:
diff changeset
210
7b267496da1d server: moved session interfaces to session_iface module + added SATGuestSession
Goffi <goffi@goffi.org>
parents:
diff changeset
211 class ISATGuestSession(Interface):
7b267496da1d server: moved session interfaces to session_iface module + added SATGuestSession
Goffi <goffi@goffi.org>
parents:
diff changeset
212 id = Attribute("UUID of the guest")
7b267496da1d server: moved session interfaces to session_iface module + added SATGuestSession
Goffi <goffi@goffi.org>
parents:
diff changeset
213 data = Attribute("data associated with the guest")
7b267496da1d server: moved session interfaces to session_iface module + added SATGuestSession
Goffi <goffi@goffi.org>
parents:
diff changeset
214
7b267496da1d server: moved session interfaces to session_iface module + added SATGuestSession
Goffi <goffi@goffi.org>
parents:
diff changeset
215
7b267496da1d server: moved session interfaces to session_iface module + added SATGuestSession
Goffi <goffi@goffi.org>
parents:
diff changeset
216 class SATGuestSession(object):
7b267496da1d server: moved session interfaces to session_iface module + added SATGuestSession
Goffi <goffi@goffi.org>
parents:
diff changeset
217 implements(ISATGuestSession)
7b267496da1d server: moved session interfaces to session_iface module + added SATGuestSession
Goffi <goffi@goffi.org>
parents:
diff changeset
218
7b267496da1d server: moved session interfaces to session_iface module + added SATGuestSession
Goffi <goffi@goffi.org>
parents:
diff changeset
219 def __init__(self, session):
7b267496da1d server: moved session interfaces to session_iface module + added SATGuestSession
Goffi <goffi@goffi.org>
parents:
diff changeset
220 self.id = None
7b267496da1d server: moved session interfaces to session_iface module + added SATGuestSession
Goffi <goffi@goffi.org>
parents:
diff changeset
221 self.data = None