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annotate src/plugins/plugin_xep_0277.py @ 297:c5554e2939dd

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plugin XEP 0277: author for in request + author, updated management for out request - a workaround is now used to parse "nick" tag (Jappix behaviour) - author and updated can now be used in data when sendind microblog. Is no author is given, user jid is used, if no updated is given, current timestamp is used
author Goffi <goffi@goffi.org>
date Fri, 18 Feb 2011 22:32:02 +0100
parents 42438e43104a
children 9f3a6cf91668
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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 """
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5 SAT plugin for microblogging over XMPP (xep-0277)
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6 Copyright (C) 2009, 2010, 2011 Jérôme Poisson (goffi@goffi.org)
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7
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8 This program is free software: you can redistribute it and/or modify
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9 it under the terms of the GNU General Public License as published by
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10 the Free Software Foundation, either version 3 of the License, or
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11 (at your option) any later version.
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12
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13 This program is distributed in the hope that it will be useful,
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14 but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 GNU General Public License for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with this program. If not, see <http://www.gnu.org/licenses/>.
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20 """
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21
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22 from logging import debug, info, error
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23 from twisted.internet import protocol
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24 from twisted.words.protocols.jabber import client, jid
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25 from twisted.words.protocols.jabber import error as jab_error
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26 import twisted.internet.error
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27 from twisted.words.xish import domish
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28 from sat.tools.xml_tools import ElementParser
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29
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30 from wokkel import disco,pubsub
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31 from feed.atom import Entry, Author
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32 import uuid
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33 from time import time
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34
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35 NS_MICROBLOG = 'urn:xmpp:microblog:0'
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36
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37 PLUGIN_INFO = {
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38 "name": "Microblogging over XMPP Plugin",
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39 "import_name": "XEP-0277",
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40 "type": "XEP",
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41 "protocols": [],
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42 "dependencies": ["XEP-0163"],
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43 "main": "XEP_0277",
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44 "handler": "no",
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45 "description": _("""Implementation of microblogging Protocol""")
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46 }
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47
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48 class XEP_0277():
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49
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50 def __init__(self, host):
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51 info(_("Microblogging plugin initialization"))
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52 self.host = host
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53 self.host.plugins["XEP-0163"].addPEPEvent("MICROBLOG", NS_MICROBLOG, self.microblogCB, self.sendMicroblog)
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54
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55 def microblogCB(self, itemsEvent, profile):
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56 _entry = None
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57 for item in itemsEvent.items:
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58 try:
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59 entry_elt = filter (lambda x:x.name == "entry", item.children)[0]
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60 except KeyError:
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61 warning(_('No entry element in microblog item'))
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62 return
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63 _entry = Entry().import_xml(entry_elt.toXml().encode('utf-8'))
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64 microblog_data={}
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65 try:
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66 microblog_data['content'] = _entry.title.text
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67 if len(_entry.authors):
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68 microblog_data['author'] = _entry.authors[0].name.text
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69 microblog_data['timestamp'] = str(int(_entry.updated.tf))
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70 microblog_data['id'] = item['id']
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71 except AttributeError, KeyError:
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72 error(_('Error while parsing atom entry for microblogging event'))
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73 return
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74
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75 ##XXX: workaround for Jappix behaviour
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76 if not 'author' in microblog_data:
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77 from xe import NestElement
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78 try:
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79 author=NestElement('author')
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80 author.import_xml(str(_entry))
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81 microblog_data['author'] = author.nick.text
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82 except:
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83 error(_('Cannot find author'))
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84 ##end workaround Jappix
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85
293
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86 self.host.bridge.personalEvent(itemsEvent.sender.full(), "MICROBLOG", microblog_data, profile)
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87
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88 def sendMicroblog(self, data, profile):
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89 """Send XEP-0277's microblog data
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90 @param data: must include content
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91 @param profile: profile which send the mood"""
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92 if not data.has_key('content'):
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93 error(_("Microblog data must contain at least 'content' key"))
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94 return 3
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95 content = data['content']
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96 if not content:
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97 error(_("Microblog data's content value must not be empty"))
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98 _uuid = unicode(uuid.uuid1())
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99 _entry = Entry()
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100 #FIXME: need to escape html
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101 _entry.title = content.encode('utf-8')
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102 _entry.author = Author()
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103 _entry.author.name = data.get('author',self.host.getJidNStream(profile)[0].userhost()).encode('utf-8')
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104 _entry.updated = float(data.get('timestamp',time()))
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105 _entry.id = _uuid
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106 _entry_elt = ElementParser()(str(_entry))
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107 item = pubsub.Item(payload=_entry_elt)
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108 item['id'] = _uuid
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109 self.host.plugins["XEP-0060"].publish(None, NS_MICROBLOG, [item], profile_key = profile)
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110 return 0
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111