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# XXX: All monkey patches should be sent upstream and eventually removed.
import functools
def patch(cls, attr):
"""Patch the function named attr in the object cls with the decorated function."""
orig_func = getattr(cls, attr)
def decorator(func):
def wrapped_func(*args, **kwargs):
return func(orig_func, *args, **kwargs)
setattr(cls, attr, wrapped_func)
return orig_func
return decorator
# Modify jabber.error.exceptionFromStreamError to include the XML element in
# the exception.
from twisted.words.protocols.jabber import error as jabber_error
@patch(jabber_error, "exceptionFromStreamError")
def exceptionFromStreamError(orig, element):
exception = orig(element)
exception.element = element
return exception
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