slixmpp/sleekxmpp/exceptions.py
Lance Stout 0d32638379 XMPPError exceptions can keep a stanza's contents.
This allows exceptions to include the original
content of a stanza in the error response by including
the parameter clear=False when raising the exception.
2011-02-11 15:20:26 -05:00

54 lines
2 KiB
Python

"""
SleekXMPP: The Sleek XMPP Library
Copyright (C) 2010 Nathanael C. Fritz
This file is part of SleekXMPP.
See the file LICENSE for copying permission.
"""
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.
Meant for use in SleekXMPP plugins and applications using SleekXMPP.
"""
def __init__(self, condition='undefined-condition', text=None, etype=None,
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.
text -- Human readable text describing the error.
etype -- The XMPP error type, such as cancel or modify.
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 = {}
self.condition = condition
self.text = text
self.etype = etype
self.clear = clear
self.extension = extension
self.extension_ns = extension_ns
self.extension_args = extension_args