706 lines
25 KiB
Python
706 lines
25 KiB
Python
"""
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SleekXMPP: The Sleek XMPP Library
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Copyright (C) 2010 Nathanael C. Fritz
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This file is part of SleekXMPP.
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See the file LICENSE for copying permission.
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"""
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from __future__ import with_statement, unicode_literals
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import sys
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import copy
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import logging
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import sleekxmpp
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from sleekxmpp import plugins
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from sleekxmpp.stanza import Message, Presence, Iq, Error, StreamError
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from sleekxmpp.stanza.roster import Roster
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from sleekxmpp.stanza.nick import Nick
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from sleekxmpp.stanza.htmlim import HTMLIM
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from sleekxmpp.xmlstream import XMLStream, JID, tostring
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from sleekxmpp.xmlstream import ET, register_stanza_plugin
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from sleekxmpp.xmlstream.matcher import *
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from sleekxmpp.xmlstream.handler import *
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log = logging.getLogger(__name__)
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# In order to make sure that Unicode is handled properly
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# in Python 2.x, reset the default encoding.
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if sys.version_info < (3, 0):
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reload(sys)
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sys.setdefaultencoding('utf8')
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class BaseXMPP(XMLStream):
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"""
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The BaseXMPP class adapts the generic XMLStream class for use
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with XMPP. It also provides a plugin mechanism to easily extend
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and add support for new XMPP features.
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Attributes:
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auto_authorize -- Manage automatically accepting roster
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subscriptions.
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auto_subscribe -- Manage automatically requesting mutual
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subscriptions.
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is_component -- Indicates if this stream is for an XMPP component.
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jid -- The XMPP JID for this stream.
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plugin -- A dictionary of loaded plugins.
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plugin_config -- A dictionary of plugin configurations.
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plugin_whitelist -- A list of approved plugins.
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sentpresence -- Indicates if an initial presence has been sent.
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roster -- A dictionary containing subscribed JIDs and
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their presence statuses.
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Methods:
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Iq -- Factory for creating an Iq stanzas.
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Message -- Factory for creating Message stanzas.
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Presence -- Factory for creating Presence stanzas.
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get -- Return a plugin given its name.
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make_iq -- Create and initialize an Iq stanza.
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make_iq_error -- Create an Iq stanza of type 'error'.
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make_iq_get -- Create an Iq stanza of type 'get'.
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make_iq_query -- Create an Iq stanza with a given query.
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make_iq_result -- Create an Iq stanza of type 'result'.
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make_iq_set -- Create an Iq stanza of type 'set'.
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make_message -- Create and initialize a Message stanza.
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make_presence -- Create and initialize a Presence stanza.
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make_query_roster -- Create a roster query.
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process -- Overrides XMLStream.process.
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register_plugin -- Load and configure a plugin.
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register_plugins -- Load and configure multiple plugins.
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send_message -- Create and send a Message stanza.
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send_presence -- Create and send a Presence stanza.
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send_presence_subscribe -- Send a subscription request.
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"""
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def __init__(self, default_ns='jabber:client'):
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"""
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Adapt an XML stream for use with XMPP.
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Arguments:
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default_ns -- Ensure that the correct default XML namespace
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is used during initialization.
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"""
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XMLStream.__init__(self)
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# To comply with PEP8, method names now use underscores.
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# Deprecated method names are re-mapped for backwards compatibility.
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self.default_ns = default_ns
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self.stream_ns = 'http://etherx.jabber.org/streams'
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self.boundjid = JID("")
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self.plugin = {}
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self.plugin_config = {}
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self.plugin_whitelist = []
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self.roster = {}
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self.is_component = False
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self.auto_authorize = True
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self.auto_subscribe = True
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self.sentpresence = False
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self.register_handler(
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Callback('IM',
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MatchXPath('{%s}message/{%s}body' % (self.default_ns,
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self.default_ns)),
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self._handle_message))
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self.register_handler(
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Callback('Presence',
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MatchXPath("{%s}presence" % self.default_ns),
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self._handle_presence))
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self.register_handler(
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Callback('Stream Error',
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MatchXPath("{%s}error" % self.stream_ns),
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self._handle_stream_error))
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self.add_event_handler('presence_subscribe',
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self._handle_subscribe)
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self.add_event_handler('disconnected',
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self._handle_disconnected)
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# Set up the XML stream with XMPP's root stanzas.
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self.register_stanza(Message)
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self.register_stanza(Iq)
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self.register_stanza(Presence)
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self.register_stanza(StreamError)
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# Initialize a few default stanza plugins.
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register_stanza_plugin(Iq, Roster)
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register_stanza_plugin(Message, Nick)
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register_stanza_plugin(Message, HTMLIM)
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def process(self, *args, **kwargs):
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"""
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Ensure that plugin inter-dependencies are handled before starting
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event processing.
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Overrides XMLStream.process.
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"""
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for name in self.plugin:
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if not self.plugin[name].post_inited:
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self.plugin[name].post_init()
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return XMLStream.process(self, *args, **kwargs)
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def register_plugin(self, plugin, pconfig={}, module=None):
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"""
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Register and configure a plugin for use in this stream.
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Arguments:
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plugin -- The name of the plugin class. Plugin names must
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be unique.
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pconfig -- A dictionary of configuration data for the plugin.
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Defaults to an empty dictionary.
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module -- Optional refence to the module containing the plugin
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class if using custom plugins.
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"""
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try:
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# Import the given module that contains the plugin.
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if not module:
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module = sleekxmpp.plugins
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module = __import__("%s.%s" % (module.__name__, plugin),
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globals(), locals(), [plugin])
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if isinstance(module, str):
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# We probably want to load a module from outside
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# the sleekxmpp package, so leave out the globals().
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module = __import__(module, fromlist=[plugin])
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# Load the plugin class from the module.
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self.plugin[plugin] = getattr(module, plugin)(self, pconfig)
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# Let XEP implementing plugins have some extra logging info.
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xep = ''
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if hasattr(self.plugin[plugin], 'xep'):
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xep = "(XEP-%s) " % self.plugin[plugin].xep
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desc = (xep, self.plugin[plugin].description)
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log.debug("Loaded Plugin %s%s" % desc)
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except:
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log.exception("Unable to load plugin: %s", plugin)
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def register_plugins(self):
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"""
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Register and initialize all built-in plugins.
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Optionally, the list of plugins loaded may be limited to those
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contained in self.plugin_whitelist.
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Plugin configurations stored in self.plugin_config will be used.
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"""
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if self.plugin_whitelist:
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plugin_list = self.plugin_whitelist
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else:
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plugin_list = plugins.__all__
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for plugin in plugin_list:
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if plugin in plugins.__all__:
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self.register_plugin(plugin,
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self.plugin_config.get(plugin, {}))
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else:
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raise NameError("Plugin %s not in plugins.__all__." % plugin)
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# Resolve plugin inter-dependencies.
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for plugin in self.plugin:
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self.plugin[plugin].post_init()
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def __getitem__(self, key):
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"""
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Return a plugin given its name, if it has been registered.
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"""
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if key in self.plugin:
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return self.plugin[key]
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else:
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log.warning("""Plugin "%s" is not loaded.""" % key)
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return False
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def get(self, key, default):
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"""
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Return a plugin given its name, if it has been registered.
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"""
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return self.plugin.get(key, default)
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def Message(self, *args, **kwargs):
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"""Create a Message stanza associated with this stream."""
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return Message(self, *args, **kwargs)
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def Iq(self, *args, **kwargs):
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"""Create an Iq stanza associated with this stream."""
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return Iq(self, *args, **kwargs)
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def Presence(self, *args, **kwargs):
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"""Create a Presence stanza associated with this stream."""
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return Presence(self, *args, **kwargs)
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def make_iq(self, id=0, ifrom=None, ito=None, itype=None, iquery=None):
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"""
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Create a new Iq stanza with a given Id and from JID.
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Arguments:
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id -- An ideally unique ID value for this stanza thread.
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Defaults to 0.
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ifrom -- The from JID to use for this stanza.
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ito -- The destination JID for this stanza.
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itype -- The Iq's type, one of: get, set, result, or error.
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iquery -- Optional namespace for adding a query element.
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"""
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iq = self.Iq()
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iq['id'] = str(id)
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iq['to'] = ito
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iq['from'] = ifrom
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iq['type'] = itype
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iq['query'] = iquery
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return iq
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def make_iq_get(self, queryxmlns=None, ito=None, ifrom=None, iq=None):
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"""
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Create an Iq stanza of type 'get'.
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Optionally, a query element may be added.
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Arguments:
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queryxmlns -- The namespace of the query to use.
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ito -- The destination JID for this stanza.
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ifrom -- The from JID to use for this stanza.
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iq -- Optionally use an existing stanza instead
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of generating a new one.
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"""
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if not iq:
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iq = self.Iq()
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iq['type'] = 'get'
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iq['query'] = queryxmlns
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if ito:
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iq['to'] = ito
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if ifrom:
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iq['from'] = ifrom
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return iq
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def make_iq_result(self, id=None, ito=None, ifrom=None, iq=None):
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"""
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Create an Iq stanza of type 'result' with the given ID value.
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Arguments:
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id -- An ideally unique ID value. May use self.new_id().
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ito -- The destination JID for this stanza.
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ifrom -- The from JID to use for this stanza.
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iq -- Optionally use an existing stanza instead
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of generating a new one.
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"""
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if not iq:
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iq = self.Iq()
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if id is None:
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id = self.new_id()
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iq['id'] = id
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iq['type'] = 'result'
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if ito:
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iq['to'] = ito
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if ifrom:
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iq['from'] = ifrom
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return iq
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def make_iq_set(self, sub=None, ito=None, ifrom=None, iq=None):
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"""
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Create an Iq stanza of type 'set'.
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Optionally, a substanza may be given to use as the
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stanza's payload.
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Arguments:
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sub -- A stanza or XML object to use as the Iq's payload.
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ito -- The destination JID for this stanza.
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ifrom -- The from JID to use for this stanza.
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iq -- Optionally use an existing stanza instead
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of generating a new one.
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"""
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if not iq:
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iq = self.Iq()
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iq['type'] = 'set'
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if sub != None:
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iq.append(sub)
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if ito:
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iq['to'] = ito
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if ifrom:
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iq['from'] = ifrom
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return iq
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def make_iq_error(self, id, type='cancel',
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condition='feature-not-implemented',
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text=None, ito=None, ifrom=None, iq=None):
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"""
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Create an Iq stanza of type 'error'.
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Arguments:
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id -- An ideally unique ID value. May use self.new_id().
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type -- The type of the error, such as 'cancel' or 'modify'.
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Defaults to 'cancel'.
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condition -- The error condition.
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Defaults to 'feature-not-implemented'.
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text -- A message describing the cause of the error.
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ito -- The destination JID for this stanza.
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ifrom -- The from JID to use for this stanza.
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iq -- Optionally use an existing stanza instead
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of generating a new one.
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"""
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if not iq:
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iq = self.Iq()
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iq['id'] = id
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iq['error']['type'] = type
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iq['error']['condition'] = condition
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iq['error']['text'] = text
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if ito:
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iq['to'] = ito
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if ifrom:
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iq['from'] = ifrom
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return iq
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def make_iq_query(self, iq=None, xmlns='', ito=None, ifrom=None):
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"""
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Create or modify an Iq stanza to use the given
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query namespace.
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Arguments:
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iq -- Optional Iq stanza to modify. A new
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stanza is created otherwise.
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xmlns -- The query's namespace.
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ito -- The destination JID for this stanza.
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ifrom -- The from JID to use for this stanza.
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"""
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if not iq:
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iq = self.Iq()
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iq['query'] = xmlns
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if ito:
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iq['to'] = ito
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if ifrom:
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iq['from'] = ifrom
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return iq
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def make_query_roster(self, iq=None):
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"""
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Create a roster query element.
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Arguments:
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iq -- Optional Iq stanza to modify. A new stanza
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is created otherwise.
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"""
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if iq:
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iq['query'] = 'jabber:iq:roster'
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return ET.Element("{jabber:iq:roster}query")
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def make_message(self, mto, mbody=None, msubject=None, mtype=None,
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mhtml=None, mfrom=None, mnick=None):
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"""
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Create and initialize a new Message stanza.
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Arguments:
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mto -- The recipient of the message.
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mbody -- The main contents of the message.
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msubject -- Optional subject for the message.
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mtype -- The message's type, such as 'chat' or 'groupchat'.
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mhtml -- Optional HTML body content.
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mfrom -- The sender of the message. If sending from a client,
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be aware that some servers require that the full JID
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of the sender be used.
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mnick -- Optional nickname of the sender.
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"""
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message = self.Message(sto=mto, stype=mtype, sfrom=mfrom)
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message['body'] = mbody
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message['subject'] = msubject
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if mnick is not None:
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message['nick'] = mnick
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if mhtml is not None:
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message['html']['body'] = mhtml
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return message
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def make_presence(self, pshow=None, pstatus=None, ppriority=None,
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pto=None, ptype=None, pfrom=None):
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"""
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Create and initialize a new Presence stanza.
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Arguments:
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pshow -- The presence's show value.
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pstatus -- The presence's status message.
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ppriority -- This connections' priority.
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pto -- The recipient of a directed presence.
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ptype -- The type of presence, such as 'subscribe'.
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pfrom -- The sender of the presence.
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"""
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presence = self.Presence(stype=ptype, sfrom=pfrom, sto=pto)
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if pshow is not None:
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presence['type'] = pshow
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if pfrom is None:
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presence['from'] = self.boundjid.full
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presence['priority'] = ppriority
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presence['status'] = pstatus
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return presence
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def send_message(self, mto, mbody, msubject=None, mtype=None,
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mhtml=None, mfrom=None, mnick=None):
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"""
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Create, initialize, and send a Message stanza.
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"""
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self.makeMessage(mto, mbody, msubject, mtype,
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mhtml, mfrom, mnick).send()
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def send_presence(self, pshow=None, pstatus=None, ppriority=None,
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pto=None, pfrom=None, ptype=None):
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"""
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Create, initialize, and send a Presence stanza.
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Arguments:
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pshow -- The presence's show value.
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pstatus -- The presence's status message.
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ppriority -- This connections' priority.
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pto -- The recipient of a directed presence.
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ptype -- The type of presence, such as 'subscribe'.
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pfrom -- The sender of the presence.
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"""
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self.makePresence(pshow, pstatus, ppriority, pto,
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ptype=ptype, pfrom=pfrom).send()
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# Unexpected errors may occur if
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if not self.sentpresence:
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self.event('sent_presence')
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self.sentpresence = True
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def send_presence_subscription(self, pto, pfrom=None,
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ptype='subscribe', pnick=None):
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"""
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Create, initialize, and send a Presence stanza of type 'subscribe'.
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Arguments:
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pto -- The recipient of a directed presence.
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pfrom -- The sender of the presence.
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ptype -- The type of presence. Defaults to 'subscribe'.
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pnick -- Nickname of the presence's sender.
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"""
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presence = self.makePresence(ptype=ptype,
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pfrom=pfrom,
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pto=self.getjidbare(pto))
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if pnick:
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nick = ET.Element('{http://jabber.org/protocol/nick}nick')
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nick.text = pnick
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presence.append(nick)
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presence.send()
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@property
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def jid(self):
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"""
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Attribute accessor for bare jid
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"""
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log.warning("jid property deprecated. Use boundjid.bare")
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return self.boundjid.bare
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@jid.setter
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def jid(self, value):
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log.warning("jid property deprecated. Use boundjid.bare")
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self.boundjid.bare = value
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@property
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def fulljid(self):
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"""
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Attribute accessor for full jid
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"""
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log.warning("fulljid property deprecated. Use boundjid.full")
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return self.boundjid.full
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@fulljid.setter
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def fulljid(self, value):
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log.warning("fulljid property deprecated. Use boundjid.full")
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self.boundjid.full = value
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@property
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def resource(self):
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"""
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Attribute accessor for jid resource
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"""
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log.warning("resource property deprecated. Use boundjid.resource")
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return self.boundjid.resource
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@resource.setter
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def resource(self, value):
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log.warning("fulljid property deprecated. Use boundjid.full")
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self.boundjid.resource = value
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@property
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def username(self):
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"""
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Attribute accessor for jid usernode
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"""
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log.warning("username property deprecated. Use boundjid.user")
|
|
return self.boundjid.user
|
|
|
|
@username.setter
|
|
def username(self, value):
|
|
log.warning("username property deprecated. Use boundjid.user")
|
|
self.boundjid.user = value
|
|
|
|
@property
|
|
def server(self):
|
|
"""
|
|
Attribute accessor for jid host
|
|
"""
|
|
log.warning("server property deprecated. Use boundjid.host")
|
|
return self.boundjid.server
|
|
|
|
@server.setter
|
|
def server(self, value):
|
|
log.warning("server property deprecated. Use boundjid.host")
|
|
self.boundjid.server = value
|
|
|
|
def set_jid(self, jid):
|
|
"""Rip a JID apart and claim it as our own."""
|
|
log.debug("setting jid to %s" % jid)
|
|
self.boundjid.full = jid
|
|
|
|
def getjidresource(self, fulljid):
|
|
if '/' in fulljid:
|
|
return fulljid.split('/', 1)[-1]
|
|
else:
|
|
return ''
|
|
|
|
def getjidbare(self, fulljid):
|
|
return fulljid.split('/', 1)[0]
|
|
|
|
def _handle_disconnected(self, event):
|
|
"""When disconnected, reset the roster"""
|
|
self.roster = {}
|
|
|
|
def _handle_stream_error(self, error):
|
|
self.event('stream_error', error)
|
|
|
|
def _handle_message(self, msg):
|
|
"""Process incoming message stanzas."""
|
|
self.event('message', msg)
|
|
|
|
def _handle_presence(self, presence):
|
|
"""
|
|
Process incoming presence stanzas.
|
|
|
|
Update the roster with presence information.
|
|
"""
|
|
self.event("presence_%s" % presence['type'], presence)
|
|
|
|
# Check for changes in subscription state.
|
|
if presence['type'] in ('subscribe', 'subscribed',
|
|
'unsubscribe', 'unsubscribed'):
|
|
self.event('changed_subscription', presence)
|
|
return
|
|
elif not presence['type'] in ('available', 'unavailable') and \
|
|
not presence['type'] in presence.showtypes:
|
|
return
|
|
|
|
# Strip the information from the stanza.
|
|
jid = presence['from'].bare
|
|
resource = presence['from'].resource
|
|
show = presence['type']
|
|
status = presence['status']
|
|
priority = presence['priority']
|
|
|
|
was_offline = False
|
|
got_online = False
|
|
old_roster = self.roster.get(jid, {}).get(resource, {})
|
|
|
|
# Create a new roster entry if needed.
|
|
if not jid in self.roster:
|
|
self.roster[jid] = {'groups': [],
|
|
'name': '',
|
|
'subscription': 'none',
|
|
'presence': {},
|
|
'in_roster': False}
|
|
|
|
# Alias to simplify some references.
|
|
connections = self.roster[jid].get('presence', {})
|
|
|
|
# Determine if the user has just come online.
|
|
if not resource in connections:
|
|
if show == 'available' or show in presence.showtypes:
|
|
got_online = True
|
|
was_offline = True
|
|
connections[resource] = {}
|
|
|
|
if connections[resource].get('show', 'unavailable') == 'unavailable':
|
|
was_offline = True
|
|
|
|
# Update the roster's state for this JID's resource.
|
|
connections[resource] = {'show': show,
|
|
'status': status,
|
|
'priority': priority}
|
|
|
|
name = self.roster[jid].get('name', '')
|
|
|
|
# Remove unneeded state information after a resource
|
|
# disconnects. Determine if this was the last connection
|
|
# for the JID.
|
|
if show == 'unavailable':
|
|
log.debug("%s %s got offline" % (jid, resource))
|
|
del connections[resource]
|
|
|
|
if not connections and \
|
|
not self.roster[jid].get('in_roster', False):
|
|
del self.roster[jid]
|
|
if not was_offline:
|
|
self.event("got_offline", presence)
|
|
else:
|
|
return False
|
|
|
|
name = '(%s) ' % name if name else ''
|
|
|
|
# Presence state has changed.
|
|
self.event("changed_status", presence)
|
|
if got_online:
|
|
self.event("got_online", presence)
|
|
log.debug("STATUS: %s%s/%s[%s]: %s" % (name, jid, resource,
|
|
show, status))
|
|
|
|
def _handle_subscribe(self, presence):
|
|
"""
|
|
Automatically managage subscription requests.
|
|
|
|
Subscription behavior is controlled by the settings
|
|
self.auto_authorize and self.auto_subscribe.
|
|
|
|
auto_auth auto_sub Result:
|
|
True True Create bi-directional subsriptions.
|
|
True False Create only directed subscriptions.
|
|
False * Decline all subscriptions.
|
|
None * Disable automatic handling and use
|
|
a custom handler.
|
|
"""
|
|
presence.reply()
|
|
presence['to'] = presence['to'].bare
|
|
|
|
# We are using trinary logic, so conditions have to be
|
|
# more explicit than usual.
|
|
if self.auto_authorize == True:
|
|
presence['type'] = 'subscribed'
|
|
presence.send()
|
|
if self.auto_subscribe:
|
|
presence['type'] = 'subscribe'
|
|
presence.send()
|
|
elif self.auto_authorize == False:
|
|
presence['type'] = 'unsubscribed'
|
|
presence.send()
|
|
|
|
# Restore the old, lowercased name for backwards compatibility.
|
|
basexmpp = BaseXMPP
|
|
|
|
# To comply with PEP8, method names now use underscores.
|
|
# Deprecated method names are re-mapped for backwards compatibility.
|
|
BaseXMPP.registerPlugin = BaseXMPP.register_plugin
|
|
BaseXMPP.makeIq = BaseXMPP.make_iq
|
|
BaseXMPP.makeIqGet = BaseXMPP.make_iq_get
|
|
BaseXMPP.makeIqResult = BaseXMPP.make_iq_result
|
|
BaseXMPP.makeIqSet = BaseXMPP.make_iq_set
|
|
BaseXMPP.makeIqError = BaseXMPP.make_iq_error
|
|
BaseXMPP.makeIqQuery = BaseXMPP.make_iq_query
|
|
BaseXMPP.makeQueryRoster = BaseXMPP.make_query_roster
|
|
BaseXMPP.makeMessage = BaseXMPP.make_message
|
|
BaseXMPP.makePresence = BaseXMPP.make_presence
|
|
BaseXMPP.sendMessage = BaseXMPP.send_message
|
|
BaseXMPP.sendPresence = BaseXMPP.send_presence
|
|
BaseXMPP.sendPresenceSubscription = BaseXMPP.send_presence_subscription
|