More doc updates

This commit is contained in:
Lance Stout 2011-12-05 08:55:05 -08:00
parent 8922e2050a
commit e01c2d222a
3 changed files with 239 additions and 268 deletions

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@ -112,6 +112,7 @@ API Reference
api/clientxmpp
api/componentxmpp
api/basexmpp
api/exceptions
api/xmlstream/jid
api/xmlstream/stanzabase
api/xmlstream/handler

View file

@ -1,9 +1,15 @@
# -*- coding: utf-8 -*-
"""
SleekXMPP: The Sleek XMPP Library
Copyright (C) 2010 Nathanael C. Fritz
This file is part of SleekXMPP.
sleekxmpp.basexmpp
~~~~~~~~~~~~~~~~~~
See the file LICENSE for copying permission.
This module provides the common XMPP functionality
for both clients and components.
Part of SleekXMPP: The Sleek XMPP Library
:copyright: (c) 2011 Nathanael C. Fritz
:license: MIT, see LICENSE for more details
"""
from __future__ import with_statement, unicode_literals
@ -43,71 +49,59 @@ class BaseXMPP(XMLStream):
with XMPP. It also provides a plugin mechanism to easily extend
and add support for new XMPP features.
Attributes:
auto_authorize -- Manage automatically accepting roster
subscriptions.
auto_subscribe -- Manage automatically requesting mutual
subscriptions.
is_component -- Indicates if this stream is for an XMPP component.
jid -- The XMPP JID for this stream.
plugin -- A dictionary of loaded plugins.
plugin_config -- A dictionary of plugin configurations.
plugin_whitelist -- A list of approved plugins.
sentpresence -- Indicates if an initial presence has been sent.
roster -- A dictionary containing subscribed JIDs and
their presence statuses.
Methods:
Iq -- Factory for creating an Iq stanzas.
Message -- Factory for creating Message stanzas.
Presence -- Factory for creating Presence stanzas.
get -- Return a plugin given its name.
make_iq -- Create and initialize an Iq stanza.
make_iq_error -- Create an Iq stanza of type 'error'.
make_iq_get -- Create an Iq stanza of type 'get'.
make_iq_query -- Create an Iq stanza with a given query.
make_iq_result -- Create an Iq stanza of type 'result'.
make_iq_set -- Create an Iq stanza of type 'set'.
make_message -- Create and initialize a Message stanza.
make_presence -- Create and initialize a Presence stanza.
make_query_roster -- Create a roster query.
process -- Overrides XMLStream.process.
register_plugin -- Load and configure a plugin.
register_plugins -- Load and configure multiple plugins.
send_message -- Create and send a Message stanza.
send_presence -- Create and send a Presence stanza.
send_presence_subscribe -- Send a subscription request.
:param default_ns: Ensure that the correct default XML namespace
is used during initialization.
"""
def __init__(self, jid='', default_ns='jabber:client'):
"""
Adapt an XML stream for use with XMPP.
Arguments:
default_ns -- Ensure that the correct default XML namespace
is used during initialization.
"""
XMLStream.__init__(self)
# To comply with PEP8, method names now use underscores.
# Deprecated method names are re-mapped for backwards compatibility.
self.default_ns = default_ns
self.stream_ns = 'http://etherx.jabber.org/streams'
self.namespace_map[self.stream_ns] = 'stream'
#: An identifier for the stream as given by the server.
self.stream_id = None
#: The JabberID (JID) used by this connection.
self.boundjid = JID(jid)
#: A dictionary mapping plugin names to plugins.
self.plugin = {}
#: Configuration options for whitelisted plugins.
#: If a plugin is registered without any configuration,
#: and there is an entry here, it will be used.
self.plugin_config = {}
#: A list of plugins that will be loaded if
#: :meth:`register_plugins` is called.
self.plugin_whitelist = []
#: The main roster object. This roster supports multiple
#: owner JIDs, as in the case for components. For clients
#: which only have a single JID, see :attr:`client_roster`.
self.roster = roster.Roster(self)
self.roster.add(self.boundjid.bare)
#: The single roster for the bound JID. This is the
#: equivalent of::
#:
#: self.roster[self.boundjid.bare]
self.client_roster = self.roster[self.boundjid.bare]
#: The distinction between clients and components can be
#: important, primarily for choosing how to handle the
#: ``'to'`` and ``'from'`` JIDs of stanzas.
self.is_component = False
#: Flag indicating that the initial presence broadcast has
#: been sent. Until this happens, some servers may not
#: behave as expected when sending stanzas.
self.sentpresence = False
#: A reference to :mod:`sleekxmpp.stanza` to make accessing
#: stanza classes easier.
self.stanza = sleekxmpp.stanza
self.register_handler(
@ -161,40 +155,36 @@ class BaseXMPP(XMLStream):
register_stanza_plugin(Message, HTMLIM)
def start_stream_handler(self, xml):
"""
Save the stream ID once the streams have been established.
"""Save the stream ID once the streams have been established.
Overrides XMLStream.start_stream_handler.
Arguments:
xml -- The incoming stream's root element.
:param xml: The incoming stream's root element.
"""
self.stream_id = xml.get('id', '')
def process(self, *args, **kwargs):
"""
Overrides XMLStream.process.
Initialize the XML streams and begin processing events.
"""Initialize plugins and begin processing the XML stream.
The number of threads used for processing stream events is determined
by HANDLER_THREADS.
by :data:`HANDLER_THREADS`.
Arguments:
block -- If block=False then event dispatcher will run
in a separate thread, allowing for the stream to be
used in the background for another application.
Otherwise, process(block=True) blocks the current thread.
Defaults to False.
:param bool block: If ``False``, then event dispatcher will run
in a separate thread, allowing for the stream to be
used in the background for another application.
Otherwise, ``process(block=True)`` blocks the current
thread. Defaults to ``False``.
:param bool threaded: **DEPRECATED**
If ``True``, then event dispatcher will run
in a separate thread, allowing for the stream to be
used in the background for another application.
Defaults to ``True``. This does **not** mean that no
threads are used at all if ``threaded=False``.
**threaded is deprecated and included for API compatibility**
threaded -- If threaded=True then event dispatcher will run
in a separate thread, allowing for the stream to be
used in the background for another application.
Defaults to True.
Regardless of these threading options, these threads will
always exist:
Event handlers and the send queue will be threaded
regardless of these parameters.
- The event queue processor
- The send queue processor
- The scheduler
"""
for name in self.plugin:
if not self.plugin[name].post_inited:
@ -202,15 +192,13 @@ class BaseXMPP(XMLStream):
return XMLStream.process(self, *args, **kwargs)
def register_plugin(self, plugin, pconfig={}, module=None):
"""
Register and configure a plugin for use in this stream.
"""Register and configure a plugin for use in this stream.
Arguments:
plugin -- The name of the plugin class. Plugin names must
:param plugin: The name of the plugin class. Plugin names must
be unique.
pconfig -- A dictionary of configuration data for the plugin.
Defaults to an empty dictionary.
module -- Optional refence to the module containing the plugin
:param pconfig: A dictionary of configuration data for the plugin.
Defaults to an empty dictionary.
:param module: Optional refence to the module containing the plugin
class if using custom plugins.
"""
try:
@ -251,13 +239,12 @@ class BaseXMPP(XMLStream):
log.exception("Unable to load plugin: %s", plugin)
def register_plugins(self):
"""
Register and initialize all built-in plugins.
"""Register and initialize all built-in plugins.
Optionally, the list of plugins loaded may be limited to those
contained in self.plugin_whitelist.
contained in :attr:`plugin_whitelist`.
Plugin configurations stored in self.plugin_config will be used.
Plugin configurations stored in :attr:`plugin_config` will be used.
"""
if self.plugin_whitelist:
plugin_list = self.plugin_whitelist
@ -276,9 +263,7 @@ class BaseXMPP(XMLStream):
self.plugin[plugin].post_init()
def __getitem__(self, key):
"""
Return a plugin given its name, if it has been registered.
"""
"""Return a plugin given its name, if it has been registered."""
if key in self.plugin:
return self.plugin[key]
else:
@ -286,9 +271,7 @@ class BaseXMPP(XMLStream):
return False
def get(self, key, default):
"""
Return a plugin given its name, if it has been registered.
"""
"""Return a plugin given its name, if it has been registered."""
return self.plugin.get(key, default)
def Message(self, *args, **kwargs):
@ -304,16 +287,18 @@ class BaseXMPP(XMLStream):
return Presence(self, *args, **kwargs)
def make_iq(self, id=0, ifrom=None, ito=None, itype=None, iquery=None):
"""
Create a new Iq stanza with a given Id and from JID.
"""Create a new Iq stanza with a given Id and from JID.
Arguments:
id -- An ideally unique ID value for this stanza thread.
Defaults to 0.
ifrom -- The from JID to use for this stanza.
ito -- The destination JID for this stanza.
itype -- The Iq's type, one of: get, set, result, or error.
iquery -- Optional namespace for adding a query element.
:param id: An ideally unique ID value for this stanza thread.
Defaults to 0.
:param ifrom: The from :class:`~sleekxmpp.xmlstream.jid.JID`
to use for this stanza.
:param ito: The destination :class:`~sleekxmpp.xmlstream.jid.JID`
for this stanza.
:param itype: The :class:`~sleekxmpp.stanza.iq.Iq`'s type,
one of: ``'get'``, ``'set'``, ``'result'``,
or ``'error'``.
:param iquery: Optional namespace for adding a query element.
"""
iq = self.Iq()
iq['id'] = str(id)
@ -324,17 +309,17 @@ class BaseXMPP(XMLStream):
return iq
def make_iq_get(self, queryxmlns=None, ito=None, ifrom=None, iq=None):
"""
Create an Iq stanza of type 'get'.
"""Create an :class:`~sleekxmpp.stanza.iq.Iq` stanza of type ``'get'``.
Optionally, a query element may be added.
Arguments:
queryxmlns -- The namespace of the query to use.
ito -- The destination JID for this stanza.
ifrom -- The from JID to use for this stanza.
iq -- Optionally use an existing stanza instead
of generating a new one.
:param queryxmlns: The namespace of the query to use.
:param ito: The destination :class:`~sleekxmpp.xmlstream.jid.JID`
for this stanza.
:param ifrom: The ``'from'`` :class:`~sleekxmpp.xmlstream.jid.JID`
to use for this stanza.
:param iq: Optionally use an existing stanza instead
of generating a new one.
"""
if not iq:
iq = self.Iq()
@ -348,14 +333,16 @@ class BaseXMPP(XMLStream):
def make_iq_result(self, id=None, ito=None, ifrom=None, iq=None):
"""
Create an Iq stanza of type 'result' with the given ID value.
Create an :class:`~sleekxmpp.stanza.iq.Iq` stanza of type
``'result'`` with the given ID value.
Arguments:
id -- An ideally unique ID value. May use self.new_id().
ito -- The destination JID for this stanza.
ifrom -- The from JID to use for this stanza.
iq -- Optionally use an existing stanza instead
of generating a new one.
:param id: An ideally unique ID value. May use :meth:`new_id()`.
:param ito: The destination :class:`~sleekxmpp.xmlstream.jid.JID`
for this stanza.
:param ifrom: The ``'from'`` :class:`~sleekxmpp.xmlstream.jid.JID`
to use for this stanza.
:param iq: Optionally use an existing stanza instead
of generating a new one.
"""
if not iq:
iq = self.Iq()
@ -371,17 +358,22 @@ class BaseXMPP(XMLStream):
def make_iq_set(self, sub=None, ito=None, ifrom=None, iq=None):
"""
Create an Iq stanza of type 'set'.
Create an :class:`~sleekxmpp.stanza.iq.Iq` stanza of type ``'set'``.
Optionally, a substanza may be given to use as the
stanza's payload.
Arguments:
sub -- A stanza or XML object to use as the Iq's payload.
ito -- The destination JID for this stanza.
ifrom -- The from JID to use for this stanza.
iq -- Optionally use an existing stanza instead
of generating a new one.
:param sub: Either an
:class:`~sleekxmpp.xmlstream.stanzabase.ElementBase`
stanza object or an
:class:`~xml.etree.ElementTree.Element` XML object
to use as the :class:`~sleekxmpp.stanza.iq.Iq`'s payload.
:param ito: The destination :class:`~sleekxmpp.xmlstream.jid.JID`
for this stanza.
:param ifrom: The ``'from'`` :class:`~sleekxmpp.xmlstream.jid.JID`
to use for this stanza.
:param iq: Optionally use an existing stanza instead
of generating a new one.
"""
if not iq:
iq = self.Iq()
@ -398,19 +390,20 @@ class BaseXMPP(XMLStream):
condition='feature-not-implemented',
text=None, ito=None, ifrom=None, iq=None):
"""
Create an Iq stanza of type 'error'.
Create an :class:`~sleekxmpp.stanza.iq.Iq` stanza of type ``'error'``.
Arguments:
id -- An ideally unique ID value. May use self.new_id().
type -- The type of the error, such as 'cancel' or 'modify'.
Defaults to 'cancel'.
condition -- The error condition.
Defaults to 'feature-not-implemented'.
text -- A message describing the cause of the error.
ito -- The destination JID for this stanza.
ifrom -- The from JID to use for this stanza.
iq -- Optionally use an existing stanza instead
of generating a new one.
:param id: An ideally unique ID value. May use :meth:`new_id()`.
:param type: The type of the error, such as ``'cancel'`` or
``'modify'``. Defaults to ``'cancel'``.
:param condition: The error condition. Defaults to
``'feature-not-implemented'``.
:param text: A message describing the cause of the error.
:param ito: The destination :class:`~sleekxmpp.xmlstream.jid.JID`
for this stanza.
:param ifrom: The ``'from'`` :class:`~sleekxmpp.xmlstream.jid.JID`
to use for this stanza.
:param iq: Optionally use an existing stanza instead
of generating a new one.
"""
if not iq:
iq = self.Iq()
@ -426,15 +419,16 @@ class BaseXMPP(XMLStream):
def make_iq_query(self, iq=None, xmlns='', ito=None, ifrom=None):
"""
Create or modify an Iq stanza to use the given
query namespace.
Create or modify an :class:`~sleekxmpp.stanza.iq.Iq` stanza
to use the given query namespace.
Arguments:
iq -- Optional Iq stanza to modify. A new
stanza is created otherwise.
xmlns -- The query's namespace.
ito -- The destination JID for this stanza.
ifrom -- The from JID to use for this stanza.
:param iq: Optionally use an existing stanza instead
of generating a new one.
:param xmlns: The query's namespace.
:param ito: The destination :class:`~sleekxmpp.xmlstream.jid.JID`
for this stanza.
:param ifrom: The ``'from'`` :class:`~sleekxmpp.xmlstream.jid.JID`
to use for this stanza.
"""
if not iq:
iq = self.Iq()
@ -446,12 +440,10 @@ class BaseXMPP(XMLStream):
return iq
def make_query_roster(self, iq=None):
"""
Create a roster query element.
"""Create a roster query element.
Arguments:
iq -- Optional Iq stanza to modify. A new stanza
is created otherwise.
:param iq: Optionally use an existing stanza instead
of generating a new one.
"""
if iq:
iq['query'] = 'jabber:iq:roster'
@ -460,18 +452,19 @@ class BaseXMPP(XMLStream):
def make_message(self, mto, mbody=None, msubject=None, mtype=None,
mhtml=None, mfrom=None, mnick=None):
"""
Create and initialize a new Message stanza.
Create and initialize a new
:class:`~sleekxmpp.stanza.message.Message` stanza.
Arguments:
mto -- The recipient of the message.
mbody -- The main contents of the message.
msubject -- Optional subject for the message.
mtype -- The message's type, such as 'chat' or 'groupchat'.
mhtml -- Optional HTML body content.
mfrom -- The sender of the message. if sending from a client,
be aware that some servers require that the full JID
of the sender be used.
mnick -- Optional nickname of the sender.
:param mto: The recipient of the message.
:param mbody: The main contents of the message.
:param msubject: Optional subject for the message.
:param mtype: The message's type, such as ``'chat'`` or
``'groupchat'``.
:param mhtml: Optional HTML body content in the form of a string.
:param mfrom: The sender of the message. if sending from a client,
be aware that some servers require that the full JID
of the sender be used.
:param mnick: Optional nickname of the sender.
"""
message = self.Message(sto=mto, stype=mtype, sfrom=mfrom)
message['body'] = mbody
@ -485,16 +478,16 @@ class BaseXMPP(XMLStream):
def make_presence(self, pshow=None, pstatus=None, ppriority=None,
pto=None, ptype=None, pfrom=None, pnick=None):
"""
Create and initialize a new Presence stanza.
Create and initialize a new
:class:`~sleekxmpp.stanza.presence.Presence` stanza.
Arguments:
pshow -- The presence's show value.
pstatus -- The presence's status message.
ppriority -- This connections' priority.
pto -- The recipient of a directed presence.
ptype -- The type of presence, such as 'subscribe'.
pfrom -- The sender of the presence.
pnick -- Optional nickname of the presence's sender.
:param pshow: The presence's show value.
:param pstatus: The presence's status message.
:param ppriority: This connection's priority.
:param pto: The recipient of a directed presence.
:param ptype: The type of presence, such as ``'subscribe'``.
:param pfrom: The sender of the presence.
:param pnick: Optional nickname of the presence's sender.
"""
presence = self.Presence(stype=ptype, sfrom=pfrom, sto=pto)
if pshow is not None:
@ -509,18 +502,19 @@ class BaseXMPP(XMLStream):
def send_message(self, mto, mbody, msubject=None, mtype=None,
mhtml=None, mfrom=None, mnick=None):
"""
Create, initialize, and send a Message stanza.
Create, initialize, and send a new
:class:`~sleekxmpp.stanza.message.Message` stanza.
Arguments:
mto -- The recipient of the message.
mbody -- The main contents of the message.
msubject -- Optional subject for the message.
mtype -- The message's type, such as 'chat' or 'groupchat'.
mhtml -- Optional HTML body content.
mfrom -- The sender of the message. if sending from a client,
be aware that some servers require that the full JID
of the sender be used.
mnick -- Optional nickname of the sender.
:param mto: The recipient of the message.
:param mbody: The main contents of the message.
:param msubject: Optional subject for the message.
:param mtype: The message's type, such as ``'chat'`` or
``'groupchat'``.
:param mhtml: Optional HTML body content in the form of a string.
:param mfrom: The sender of the message. if sending from a client,
be aware that some servers require that the full JID
of the sender be used.
:param mnick: Optional nickname of the sender.
"""
self.make_message(mto, mbody, msubject, mtype,
mhtml, mfrom, mnick).send()
@ -528,16 +522,16 @@ class BaseXMPP(XMLStream):
def send_presence(self, pshow=None, pstatus=None, ppriority=None,
pto=None, pfrom=None, ptype=None, pnick=None):
"""
Create, initialize, and send a Presence stanza.
Create, initialize, and send a new
:class:`~sleekxmpp.stanza.presence.Presence` stanza.
Arguments:
pshow -- The presence's show value.
pstatus -- The presence's status message.
ppriority -- This connections' priority.
pto -- The recipient of a directed presence.
ptype -- The type of presence, such as 'subscribe'.
pfrom -- The sender of the presence.
pnick -- Optional nickname of the presence's sender.
:param pshow: The presence's show value.
:param pstatus: The presence's status message.
:param ppriority: This connection's priority.
:param pto: The recipient of a directed presence.
:param ptype: The type of presence, such as ``'subscribe'``.
:param pfrom: The sender of the presence.
:param pnick: Optional nickname of the presence's sender.
"""
# Python2.6 chokes on Unicode strings for dict keys.
args = {str('pto'): pto,
@ -555,13 +549,14 @@ class BaseXMPP(XMLStream):
def send_presence_subscription(self, pto, pfrom=None,
ptype='subscribe', pnick=None):
"""
Create, initialize, and send a Presence stanza of type 'subscribe'.
Create, initialize, and send a new
:class:`~sleekxmpp.stanza.presence.Presence` stanza of
type ``'subscribe'``.
Arguments:
pto -- The recipient of a directed presence.
pfrom -- The sender of the presence.
ptype -- The type of presence. Defaults to 'subscribe'.
pnick -- Nickname of the presence's sender.
:param pto: The recipient of a directed presence.
:param pfrom: The sender of the presence.
:param ptype: The type of presence, such as ``'subscribe'``.
:param pnick: Optional nickname of the presence's sender.
"""
presence = self.makePresence(ptype=ptype,
pfrom=pfrom,
@ -574,9 +569,7 @@ class BaseXMPP(XMLStream):
@property
def jid(self):
"""
Attribute accessor for bare jid
"""
"""Attribute accessor for bare jid"""
log.warning("jid property deprecated. Use boundjid.bare")
return self.boundjid.bare
@ -587,9 +580,7 @@ class BaseXMPP(XMLStream):
@property
def fulljid(self):
"""
Attribute accessor for full jid
"""
"""Attribute accessor for full jid"""
log.warning("fulljid property deprecated. Use boundjid.full")
return self.boundjid.full
@ -600,9 +591,7 @@ class BaseXMPP(XMLStream):
@property
def resource(self):
"""
Attribute accessor for jid resource
"""
"""Attribute accessor for jid resource"""
log.warning("resource property deprecated. Use boundjid.resource")
return self.boundjid.resource
@ -613,9 +602,7 @@ class BaseXMPP(XMLStream):
@property
def username(self):
"""
Attribute accessor for jid usernode
"""
"""Attribute accessor for jid usernode"""
log.warning("username property deprecated. Use boundjid.user")
return self.boundjid.user
@ -626,9 +613,7 @@ class BaseXMPP(XMLStream):
@property
def server(self):
"""
Attribute accessor for jid host
"""
"""Attribute accessor for jid host"""
log.warning("server property deprecated. Use boundjid.host")
return self.boundjid.server
@ -639,42 +624,28 @@ class BaseXMPP(XMLStream):
@property
def auto_authorize(self):
"""
Auto accept or deny subscription requests.
"""Auto accept or deny subscription requests.
If True, auto accept subscription requests.
If False, auto deny subscription requests.
If None, don't automatically respond.
If ``True``, auto accept subscription requests.
If ``False``, auto deny subscription requests.
If ``None``, don't automatically respond.
"""
return self.roster.auto_authorize
@auto_authorize.setter
def auto_authorize(self, value):
"""
Auto accept or deny subscription requests.
If True, auto accept subscription requests.
If False, auto deny subscription requests.
If None, don't automatically respond.
"""
self.roster.auto_authorize = value
@property
def auto_subscribe(self):
"""
Auto send requests for mutual subscriptions.
"""Auto send requests for mutual subscriptions.
If True, auto send mutual subscription requests.
If ``True``, auto send mutual subscription requests.
"""
return self.roster.auto_subscribe
@auto_subscribe.setter
def auto_subscribe(self, value):
"""
Auto send requests for mutual subscriptions.
If True, auto send mutual subscription requests.
"""
self.roster.auto_subscribe = value
def set_jid(self, jid):
@ -713,17 +684,16 @@ class BaseXMPP(XMLStream):
self.roster[pto][pfrom].handle_unavailable(presence)
def _handle_new_subscription(self, stanza):
"""
Attempt to automatically handle subscription requests.
"""Attempt to automatically handle subscription requests.
Subscriptions will be approved if the request is from
a whitelisted JID, of self.auto_authorize is True. They
will be rejected if self.auto_authorize is False. Setting
self.auto_authorize to None will disable automatic
a whitelisted JID, of :attr:`auto_authorize` is True. They
will be rejected if :attr:`auto_authorize` is False. Setting
:attr:`auto_authorize` to ``None`` will disable automatic
subscription handling (except for whitelisted JIDs).
If a subscription is accepted, a request for a mutual
subscription will be sent if self.auto_subscribe is True.
subscription will be sent if :attr:`auto_subscribe` is ``True``.
"""
roster = self.roster[stanza['to'].bare]
item = self.roster[stanza['to'].bare][stanza['from'].bare]
@ -762,8 +732,7 @@ class BaseXMPP(XMLStream):
self.roster[pto][pfrom].handle_unsubscribed(presence)
def _handle_presence(self, presence):
"""
Process incoming presence stanzas.
"""Process incoming presence stanzas.
Update the roster with presence information.
"""
@ -779,14 +748,11 @@ class BaseXMPP(XMLStream):
return
def exception(self, exception):
"""
Process any uncaught exceptions, notably IqError and
IqTimeout exceptions.
"""Process any uncaught exceptions, notably
:class:`~sleekxmpp.exceptions.IqError` and
:class:`~sleekxmpp.exceptions.IqTimeout` exceptions.
Overrides XMLStream.exception.
Arguments:
exception -- An unhandled exception object.
:param exception: An unhandled :class:`Exception` object.
"""
if isinstance(exception, IqError):
iq = exception.iq

View file

@ -1,9 +1,12 @@
# -*- coding: utf-8 -*-
"""
SleekXMPP: The Sleek XMPP Library
Copyright (C) 2010 Nathanael C. Fritz
This file is part of SleekXMPP.
sleekxmpp.exceptions
~~~~~~~~~~~~~~~~~~~~
See the file LICENSE for copying permission.
Part of SleekXMPP: The Sleek XMPP Library
:copyright: (c) 2011 Nathanael C. Fritz
:license: MIT, see LICENSE for more details
"""
@ -13,37 +16,35 @@ class XMPPError(Exception):
A generic exception that may be raised while processing an XMPP stanza
to indicate that an error response stanza should be sent.
The exception method for stanza objects extending RootStanza will create
an error stanza and initialize any additional substanzas using the
extension information included in the exception.
The exception method for stanza objects extending
:class:`~sleekxmpp.stanza.rootstanza.RootStanza` will create an error
stanza and initialize any additional substanzas using the extension
information included in the exception.
Meant for use in SleekXMPP plugins and applications using SleekXMPP.
Extension information can be included to add additional XML elements
to the generated error stanza.
:param condition: The XMPP defined error condition.
Defaults to ``'undefined-condition'``.
:param text: Human readable text describing the error.
:param etype: The XMPP error type, such as ``'cancel'`` or ``'modify'``.
Defaults to ``'cancel'``.
:param extension: Tag name of the extension's XML content.
:param extension_ns: XML namespace of the extensions' XML content.
:param extension_args: Content and attributes for the extension
element. Same as the additional arguments to
the :class:`~xml.etree.ElementTree.Element`
constructor.
:param clear: Indicates if the stanza's contents should be
removed before replying with an error.
Defaults to ``True``.
"""
def __init__(self, condition='undefined-condition', text=None,
etype='cancel', extension=None, extension_ns=None,
extension_args=None, clear=True):
"""
Create a new XMPPError exception.
Extension information can be included to add additional XML elements
to the generated error stanza.
Arguments:
condition -- The XMPP defined error condition.
Defaults to 'undefined-condition'.
text -- Human readable text describing the error.
etype -- The XMPP error type, such as cancel or modify.
Defaults to 'cancel'.
extension -- Tag name of the extension's XML content.
extension_ns -- XML namespace of the extensions' XML content.
extension_args -- Content and attributes for the extension
element. Same as the additional arguments to
the ET.Element constructor.
clear -- Indicates if the stanza's contents should be
removed before replying with an error.
Defaults to True.
"""
if extension_args is None:
extension_args = {}
@ -68,6 +69,8 @@ class IqTimeout(XMPPError):
condition='remote-server-timeout',
etype='cancel')
#: The :class:`~sleekxmpp.stanza.iq.Iq` stanza whose response
#: did not arrive before the timeout expired.
self.iq = iq
class IqError(XMPPError):
@ -83,4 +86,5 @@ class IqError(XMPPError):
text=iq['error']['text'],
etype=iq['error']['type'])
#: The :class:`~sleekxmpp.stanza.iq.Iq` error result stanza.
self.iq = iq