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# -*- test-case-name: tx_xmpp.test.test.test_compat -*-
#
# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.
"""
Compatibility module to provide backwards compatibility with Twisted features.
"""
from __future__ import division, absolute_import
from twisted.words.protocols.jabber import xmlstream
class IQ(xmlstream.IQ):
def __init__(self, *args, **kwargs):
# Make sure we have a reactor parameter
try:
reactor = kwargs["reactor"]
except KeyError:
from twisted.internet import reactor
kwargs["reactor"] = reactor
# Check if IQ's init accepts the reactor parameter
try:
xmlstream.IQ.__init__(self, *args, **kwargs)
except TypeError:
# Guess not. Remove the reactor parameter and try again.
del kwargs["reactor"]
xmlstream.IQ.__init__(self, *args, **kwargs)
# Patch the XmlStream instance so that it has a _callLater
self._xmlstream._callLater = reactor.callLater
__all__ = ["IQ"]
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