Mercurial > libervia-backend
view src/tmp/wokkel/delay.py @ 1732:cf11cfc87ef9
xml_tools, plugin XEP-0071, XEP-0277: add method expandNewLinesToXHTML:
- \n in XHTML content should not be converted to <br /> by the frontend
- save it directly in the Atom payload for better compatibility with other clients
author | souliane <souliane@mailoo.org> |
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date | Thu, 10 Dec 2015 14:00:21 +0100 |
parents | 2d8fccec84e8 |
children |
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# -*- coding: utf-8 -*- # -*- test-case-name: wokkel.test.test_delay -*- # # SàT adaptation for wokkel.delay # Copyright (C) 2015 Adien Cossa (souliane@mailoo.org) # Copyright (c) 2003-2012 Ralph Meijer. # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU Affero General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU Affero General Public License for more details. # You should have received a copy of the GNU Affero General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. # -- # This program is based on wokkel (https://wokkel.ik.nu/), # originaly written by Ralph Meijer # It is sublicensed under AGPL v3 (or any later version) as allowed by the original # license. # -- # Here is a copy of the original license: # Copyright (c) 2003-2012 Ralph Meijer. # # Permission is hereby granted, free of charge, to any person obtaining # a copy of this software and associated documentation files (the # "Software"), to deal in the Software without restriction, including # without limitation the rights to use, copy, modify, merge, publish, # distribute, sublicense, and/or sell copies of the Software, and to # permit persons to whom the Software is furnished to do so, subject to # the following conditions: # # The above copyright notice and this permission notice shall be # included in all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. # # Copyright (c) Ralph Meijer. # See LICENSE for details. """ Delayed Delivery. Support for comunicating Delayed Delivery information as specified by U{XEP-0203<http://xmpp.org/extensions/xep-0203.html>} and its predecessor U{XEP-0091<http://xmpp.org/extensions/xep-0091.html>}. """ from dateutil.parser import parse from dateutil.tz import tzutc from twisted.words.protocols.jabber.jid import InvalidFormat, JID from twisted.words.xish import domish NS_DELAY = 'urn:xmpp:delay' NS_JABBER_DELAY = 'jabber:x:delay' class Delay(object): """ Delayed Delivery information. Instances of this class represent delayed delivery information that can be parsed from and rendered into both XEP-0203 and legacy XEP-0091 formats. @ivar stamp: The timestamp the stanza was originally sent. @type stamp: L{datetime.datetime} @ivar sender: The optional entity that originally sent the stanza or delayed its delivery. @type sender: L{JID} """ def __init__(self, stamp, sender=None): self.stamp = stamp self.sender = sender def toElement(self, legacy=False): """ Render this instance into a domish Element. @param legacy: If C{True}, use the legacy XEP-0091 format. @type legacy: C{bool} """ if not self.stamp: raise ValueError("stamp is required") if self.stamp.tzinfo is None: raise ValueError("stamp is not offset-aware") if legacy: element = domish.Element((NS_JABBER_DELAY, 'x')) stampFormat = '%Y%m%dT%H:%M:%S' else: element = domish.Element((NS_DELAY, 'delay')) stampFormat = '%Y-%m-%dT%H:%M:%SZ' stamp = self.stamp.astimezone(tzutc()) element['stamp'] = stamp.strftime(stampFormat) if self.sender: element['from'] = self.sender.full() return element @staticmethod def fromElement(element): """ Create an instance from a domish Element. """ try: stamp = parse(element[u'stamp']) # Assume UTC if no timezone was given if stamp.tzinfo is None: stamp = stamp.replace(tzinfo=tzutc()) except (KeyError, ValueError, TypeError): stamp = None try: sender = JID(element[u'from']) except (KeyError, InvalidFormat): sender = None delay = Delay(stamp, sender) return delay class DelayMixin(object): """ Mixin for parsing delayed delivery information from stanzas. This can be used as a mixin for subclasses of L{wokkel.generic.Stanza} for parsing delayed delivery information. If both XEP-0203 and XEP-0091 formats are present, the former takes precedence. """ delay = None childParsers = { (NS_DELAY, 'delay'): '_childParser_delay', (NS_JABBER_DELAY, 'x'): '_childParser_legacyDelay', } def _childParser_delay(self, element): self.delay = Delay.fromElement(element) def _childParser_legacyDelay(self, element): if not self.delay: self.delay = Delay.fromElement(element)