Mercurial > libervia-backend
annotate src/plugins/plugin_misc_invitations.py @ 2256:61e836cc9512
plugin invitations: name is now registered as nickname on XMPP server thanks to plugin identity
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Sun, 21 May 2017 20:08:42 +0200 |
| parents | ba613d32ca60 |
| children | c05000d00dbb |
| rev | line source |
|---|---|
| 2184 | 1 #!/usr/bin/env python2 |
| 2 # -*- coding: utf-8 -*- | |
| 3 | |
| 4 # SAT plugin for file tansfer | |
| 5 # Copyright (C) 2009-2016 Jérôme Poisson (goffi@goffi.org) | |
| 6 | |
| 7 # This program is free software: you can redistribute it and/or modify | |
| 8 # it under the terms of the GNU Affero General Public License as published by | |
| 9 # the Free Software Foundation, either version 3 of the License, or | |
| 10 # (at your option) any later version. | |
| 11 | |
| 12 # This program is distributed in the hope that it will be useful, | |
| 13 # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 # GNU Affero General Public License for more details. | |
| 16 | |
| 17 # You should have received a copy of the GNU Affero General Public License | |
| 18 # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 19 | |
| 20 from sat.core.i18n import _, D_ | |
| 21 from sat.core.constants import Const as C | |
| 22 from sat.core import exceptions | |
| 23 from sat.core.log import getLogger | |
| 24 log = getLogger(__name__) | |
| 25 import shortuuid | |
| 26 from sat.tools import utils | |
| 27 from twisted.internet import defer | |
| 28 from twisted.words.protocols.jabber import jid | |
| 29 from twisted.words.protocols.jabber import error | |
| 30 from sat.memory import persistent | |
| 31 from sat.tools import email as sat_email | |
| 32 | |
| 33 | |
| 34 PLUGIN_INFO = { | |
| 35 C.PI_NAME: "Invitations", | |
| 36 C.PI_IMPORT_NAME: "INVITATIONS", | |
| 37 C.PI_TYPE: C.PLUG_TYPE_MISC, | |
| 38 C.PI_DEPENDENCIES: ['XEP-0077'], | |
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39 C.PI_RECOMMENDATIONS: ["IDENTITY"], |
| 2184 | 40 C.PI_MAIN: "InvitationsPlugin", |
| 41 C.PI_HANDLER: "no", | |
| 42 C.PI_DESCRIPTION: _(u"""invitation of people without XMPP account""") | |
| 43 } | |
| 44 | |
| 45 | |
| 46 SUFFIX_MAX = 5 | |
| 47 INVITEE_PROFILE_TPL = u"guest@@{uuid}" | |
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48 KEY_ID = u'id' |
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49 KEY_JID = u'jid' |
| 2184 | 50 KEY_CREATED = u'created' |
| 51 KEY_LAST_CONNECTION = u'last_connection' | |
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52 KEY_GUEST_PROFILE = u'guest_profile' |
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53 KEY_PASSWORD = u'password' |
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54 EXTRA_RESERVED = {KEY_ID, KEY_JID, KEY_CREATED, u'jid_', u'jid', KEY_LAST_CONNECTION, KEY_GUEST_PROFILE, KEY_PASSWORD} |
| 2184 | 55 DEFAULT_SUBJECT = D_(u"You have been invited by {host_name} to {app_name}") |
| 56 DEFAULT_BODY = D_(u"""Hello {name}! | |
| 57 | |
| 58 You have received an invitation from {host_name} to participate to "{app_name}". | |
| 59 To join, you just have to click on the following URL: | |
| 60 {url} | |
| 61 | |
| 62 Please note that this URL should not be shared with anybody! | |
| 63 If you want more details on {app_name}, you can check {app_url}. | |
| 64 | |
| 65 Welcome! | |
| 66 """) | |
| 67 | |
| 68 | |
| 69 class InvitationsPlugin(object): | |
| 70 | |
| 71 def __init__(self, host): | |
| 72 log.info(_(u"plugin Invitations initialization")) | |
| 73 self.host = host | |
| 74 self.invitations = persistent.LazyPersistentBinaryDict(u'invitations') | |
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75 host.bridge.addMethod("invitationCreate", ".plugin", in_sign='sssssssssa{ss}s', out_sign='a{ss}', |
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76 method=self._create, |
| 2184 | 77 async=True) |
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78 host.bridge.addMethod("invitationGet", ".plugin", in_sign='s', out_sign='a{ss}', |
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79 method=self.get, |
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80 async=True) |
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81 host.bridge.addMethod("invitationModify", ".plugin", in_sign='sa{ss}b', out_sign='', |
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82 method=self._modify, |
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83 async=True) |
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84 host.bridge.addMethod("invitationList", ".plugin", in_sign='s', out_sign='a{sa{ss}}', |
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85 method=self._list, |
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86 async=True) |
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87 |
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88 def checkExtra(self, extra): |
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89 if EXTRA_RESERVED.intersection(extra): |
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90 raise ValueError(_(u"You can't use following key(s) in extra, they are reserved: {}").format( |
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91 u', '.join(EXTRA_RESERVED.intersection(extra)))) |
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92 |
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93 def _create(self, jid_=u'', password=u'', name=u'', host_name=u'', email=u'', language=u'', url_template=u'', message_subject=u'', message_body=u'', extra=None, profile=u''): |
| 2184 | 94 # XXX: we don't use **kwargs here to keep arguments name for introspection with D-Bus bridge |
| 95 | |
| 96 if extra is None: | |
| 97 extra = {} | |
| 98 else: | |
| 99 extra = {unicode(k): unicode(v) for k,v in extra.iteritems()} | |
| 100 | |
| 101 # we need to be sure that values are unicode, else they won't be pickled correctly with D-Bus | |
| 102 kwargs = {"extra": extra} | |
| 103 for key in ("jid_", "password", "name", "host_name", "email", "language", "url_template", "message_subject", "message_body", "profile"): | |
| 104 value = locals()[key] | |
| 105 if value: | |
| 106 kwargs[key] = unicode(value) | |
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107 d = self.create(**kwargs) |
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108 def serialize(data): |
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109 data[KEY_JID] = data[KEY_JID].full() |
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110 return data |
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111 d.addCallback(serialize) |
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112 return d |
| 2184 | 113 |
| 114 @defer.inlineCallbacks | |
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115 def create(self, **kwargs): |
| 2184 | 116 ur"""create an invitation |
| 117 | |
| 118 this will create an XMPP account and a profile, and use a UUID to retrieve them. | |
| 119 the profile is automatically generated in the form guest@@[UUID], this way they can be retrieved easily | |
| 120 **kwargs: keywords arguments which can have the following keys, unset values are equivalent to None: | |
| 121 jid_(jid.JID, None): jid to use for invitation, the jid will be created using XEP-0077 | |
| 122 if the jid has no user part, an anonymous account will be used (no XMPP account created in this case) | |
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123 if None, automatically generate an account name (in the form "invitation-[random UUID]@domain.tld") (note that this UUID is not the |
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124 same as the invitation one, as jid can be used publicly (leaking the UUID), and invitation UUID give access to account. |
| 2184 | 125 in case of conflict, a suffix number is added to the account until a free one if found (with a failure if SUFFIX_MAX is reached) |
| 126 password(unicode, None): password to use (will be used for XMPP account and profile) | |
| 127 None to automatically generate one | |
| 128 name(unicode, None): name of the invitee | |
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129 will be set as profile identity if present |
| 2184 | 130 host_name(unicode, None): name of the host |
| 131 email(unicode, None): email to send the invitation to | |
| 132 if None, no invitation email is sent, you can still associate email using extra | |
| 133 if email is used, extra can't have "email" key | |
| 134 language(unicode): language of the invitee (used notabily to translate the invitation) | |
| 135 TODO: not used yet | |
| 136 url_template(unicode, None): template to use to construct the invitation URL | |
| 137 use {uuid} as a placeholder for identifier | |
| 138 use None if you don't want to include URL (or if it is already specified in custom message) | |
| 139 /!\ you must put full URL, don't forget https:// | |
| 140 /!\ the URL will give access to the invitee account, you should warn in message to not publish it publicly | |
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141 message_subject(unicode, None): customised message body for the invitation email |
| 2184 | 142 None to use default subject |
| 143 uses the same substitution as for message_body | |
| 144 message_body(unicode, None): customised message body for the invitation email | |
| 145 None to use default body | |
| 146 use {name} as a place holder for invitee name | |
| 147 use {url} as a placeholder for the invitation url | |
| 148 use {uuid} as a placeholder for the identifier | |
| 149 use {app_name} as a placeholder for this software name | |
| 150 use {app_url} as a placeholder for this software official website | |
| 151 use {profile} as a placeholder for host's profile | |
| 152 use {host_name} as a placeholder for host's name | |
| 153 extra(dict, None): extra data to associate with the invitee | |
| 154 some keys are reserved: | |
| 155 - created (creation date) | |
| 156 if email argument is used, "email" key can't be used | |
| 157 profile(unicode, None): profile of the host (person who is inviting) | |
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158 @return (dict[unicode, unicode]): dictionary with: |
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159 - UUID associated with the invitee (key: id) |
| 2184 | 160 - filled extra dictionary, as saved in the databae |
| 161 """ | |
| 162 ## initial checks | |
| 163 extra = kwargs.pop('extra', {}) | |
| 164 if set(kwargs).intersection(extra): | |
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165 raise ValueError(_(u"You can't use following key(s) in both args and extra: {}").format( |
| 2184 | 166 u', '.join(set(kwargs).intersection(extra)))) |
| 167 | |
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168 self.checkExtra(extra) |
| 2184 | 169 |
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170 email = kwargs.pop(u'email', None) |
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171 |
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172 if email is not None and not 'url_template' in kwargs and not 'message_body' in kwargs: |
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173 raise ValueError(_(u"You need to provide url_template if you use default message body")) |
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174 |
| 2184 | 175 ## uuid |
| 176 log.info(_(u"creating an invitation")) | |
| 177 id_ = unicode(shortuuid.uuid()) | |
| 178 | |
| 179 ## XMPP account creation | |
| 180 password = kwargs.pop(u'password', None) | |
| 181 if password is None: | |
| 182 password = utils.generatePassword() | |
| 183 assert password | |
| 184 # XXX: password is here saved in clear in database | |
| 185 # it is needed for invitation as the same password is used for profile | |
| 186 # and SàT need to be able to automatically open the profile with the uuid | |
| 187 # FIXME: we could add an extra encryption key which would be used with the uuid | |
| 188 # when the invitee is connecting (e.g. with URL). This key would not be saved | |
| 189 # and could be used to encrypt profile password. | |
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190 extra[KEY_PASSWORD] = password |
| 2184 | 191 |
| 192 jid_ = kwargs.pop(u'jid_', None) | |
| 193 if not jid_: | |
| 194 domain = self.host.memory.getConfig(None, 'xmpp_domain') | |
| 195 if not domain: | |
| 196 # TODO: fallback to profile's domain | |
| 197 raise ValueError(_(u"You need to specify xmpp_domain in sat.conf")) | |
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198 jid_ = u"invitation-{uuid}@{domain}".format(uuid=shortuuid.uuid(), domain=domain) |
| 2184 | 199 jid_ = jid.JID(jid_) |
| 200 if jid_.user: | |
| 201 # we don't register account if there is no user as anonymous login is then used | |
| 202 try: | |
| 203 yield self.host.plugins['XEP-0077'].registerNewAccount(jid_, password) | |
| 204 except error.StanzaError as e: | |
| 205 prefix = jid_.user | |
| 206 idx = 0 | |
| 207 while e.condition == u'conflict': | |
| 208 if idx >= SUFFIX_MAX: | |
| 209 raise exceptions.ConflictError(_(u"Can't create XMPP account")) | |
| 210 jid_.user = prefix + '_' + unicode(idx) | |
| 211 log.info(_(u"requested jid already exists, trying with {}".format(jid_.full()))) | |
| 212 try: | |
| 213 yield self.host.plugins['XEP-0077'].registerNewAccount(jid_, password) | |
| 214 except error.StanzaError as e: | |
| 215 idx += 1 | |
| 216 else: | |
| 217 break | |
| 218 if e.condition != u'conflict': | |
| 219 raise e | |
| 220 | |
| 221 log.info(_(u"account {jid_} created").format(jid_=jid_.full())) | |
| 222 | |
| 223 ## profile creation | |
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224 |
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225 extra[KEY_GUEST_PROFILE] = guest_profile = INVITEE_PROFILE_TPL.format(uuid=id_) |
| 2184 | 226 # profile creation should not fail as we generate unique name ourselves |
| 227 yield self.host.memory.createProfile(guest_profile, password) | |
| 228 yield self.host.memory.startSession(password, guest_profile) | |
| 229 yield self.host.memory.setParam("JabberID", jid_.full(), "Connection", profile_key=guest_profile) | |
| 230 yield self.host.memory.setParam("Password", password, "Connection", profile_key=guest_profile) | |
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231 name = kwargs.pop(u'name', None) |
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232 if name is not None: |
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233 extra[u'name'] = name |
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234 try: |
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235 id_plugin = self.host.plugins[u'IDENTITY'] |
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236 except KeyError: |
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237 pass |
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238 else: |
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239 yield self.host.connect(guest_profile, password) |
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240 guest_client = self.host.getClient(guest_profile) |
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241 yield id_plugin.setIdentity(guest_client, {u'nick': name}) |
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242 yield self.host.disconnect(guest_profile) |
| 2184 | 243 |
| 244 ## email | |
| 245 language = kwargs.pop(u'language', None) | |
| 246 if language is not None: | |
| 247 extra[u'language'] = language | |
| 248 | |
| 249 if email is not None: | |
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250 extra[u'email'] = email |
| 2184 | 251 url_template = kwargs.pop(u'url_template', '') |
| 252 format_args = { | |
| 253 u'uuid': id_, | |
| 254 u'app_name': C.APP_NAME, | |
| 255 u'app_url': C.APP_URL} | |
| 256 | |
| 257 if name is None: | |
| 258 format_args[u'name'] = email | |
| 259 else: | |
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260 format_args[u'name'] = name |
| 2184 | 261 |
| 262 profile = kwargs.pop(u'profile', None) | |
| 263 if profile is None: | |
| 264 format_args[u'profile'] = u'' | |
| 265 else: | |
| 266 format_args[u'profile'] = extra[u'profile'] = profile | |
| 267 | |
| 268 host_name = kwargs.pop(u'host_name', None) | |
| 269 if host_name is None: | |
| 270 format_args[u'host_name'] = profile or _(u"somebody") | |
| 271 else: | |
| 272 format_args[u'host_name'] = extra[u'host_name'] = host_name | |
| 273 | |
| 274 invite_url = url_template.format(**format_args) | |
| 275 format_args[u'url'] = invite_url | |
| 276 | |
| 277 yield sat_email.sendEmail( | |
| 278 self.host, | |
| 279 [email], | |
| 280 (kwargs.pop(u'message_subject', None) or DEFAULT_SUBJECT).format(**format_args), | |
| 281 (kwargs.pop(u'message_body', None) or DEFAULT_BODY).format(**format_args), | |
| 282 ) | |
| 283 | |
| 284 ## extra data saving | |
| 285 self.invitations[id_] = extra | |
| 286 | |
| 287 if kwargs: | |
| 288 log.warning(_(u"Not all arguments have been consumed: {}").format(kwargs)) | |
| 289 | |
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290 extra[KEY_ID] = id_ |
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291 extra[KEY_JID] = jid_ |
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292 defer.returnValue(extra) |
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293 |
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294 def get(self, id_): |
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295 """Retrieve invitation linked to uuid if it exists |
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296 |
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297 @param id_(unicode): UUID linked to an invitation |
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298 @return (dict[unicode, unicode]): data associated to the invitation |
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299 @raise KeyError: there is not invitation with this id_ |
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300 """ |
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301 return self.invitations[id_] |
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302 |
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303 def _modify(self, id_, new_extra, replace): |
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304 return self.modify(id_, {unicode(k): unicode(v) for k,v in new_extra.iteritems()}, replace) |
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305 |
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306 def modify(self, id_, new_extra, replace=False): |
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307 """Modify invitation data |
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308 |
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309 @param id_(unicode): UUID linked to an invitation |
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310 @param new_extra(dict[unicode, unicode]): data to update |
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311 empty values will be deleted if replace is True |
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312 @param replace(bool): if True replace the data |
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313 else update them |
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314 @raise KeyError: there is not invitation with this id_ |
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315 """ |
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316 self.checkExtra(new_extra) |
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317 def gotCurrentData(current_data): |
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318 if replace: |
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319 new_data = new_extra |
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320 for k in EXTRA_RESERVED: |
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321 try: |
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322 new_data[k] = current_data[k] |
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323 except KeyError: |
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324 continue |
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325 else: |
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326 new_data = current_data |
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327 for k,v in new_extra.iteritems(): |
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328 if k in EXTRA_RESERVED: |
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329 log.warning(_(u"Skipping reserved key {key}".format(k))) |
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330 continue |
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331 if v: |
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332 new_data[k] = v |
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333 else: |
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334 try: |
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335 del new_data[k] |
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336 except KeyError: |
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337 pass |
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338 |
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339 self.invitations[id_] = new_data |
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340 |
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341 d = self.invitations[id_] |
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342 d.addCallback(gotCurrentData) |
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343 return d |
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344 |
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345 def _list(self, profile=C.PROF_KEY_NONE): |
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346 return self.list(profile) |
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347 |
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348 @defer.inlineCallbacks |
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349 def list(self, profile=C.PROF_KEY_NONE): |
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350 """List invitations |
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351 |
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352 @param profile(unicode): return invitation linked to this profile only |
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353 C.PROF_KEY_NONE: don't filter invitations |
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354 @return list(unicode): invitations uids |
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355 """ |
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356 invitations = yield self.invitations.items() |
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357 if profile != C.PROF_KEY_NONE: |
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358 invitations = {id_:data for id_, data in invitations.iteritems() if data.get(u'profile') == profile} |
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359 |
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360 defer.returnValue(invitations) |