Remove __PreservingContextDeferred too

This commit is contained in:
Richard van der Hoff 2017-11-14 23:00:10 +00:00
parent 7e6fa29cb5
commit b2cd6accf5

View File

@ -261,36 +261,6 @@ class PreserveLoggingContext(object):
)
class _PreservingContextDeferred(defer.Deferred):
"""A deferred that ensures that all callbacks and errbacks are called with
the given logging context.
"""
def __init__(self, context):
self._log_context = context
defer.Deferred.__init__(self)
def addCallbacks(self, callback, errback=None,
callbackArgs=None, callbackKeywords=None,
errbackArgs=None, errbackKeywords=None):
callback = self._wrap_callback(callback)
errback = self._wrap_callback(errback)
return defer.Deferred.addCallbacks(
self, callback,
errback=errback,
callbackArgs=callbackArgs,
callbackKeywords=callbackKeywords,
errbackArgs=errbackArgs,
errbackKeywords=errbackKeywords,
)
def _wrap_callback(self, f):
def g(res, *args, **kwargs):
with PreserveLoggingContext(self._log_context):
res = f(res, *args, **kwargs)
return res
return g
def preserve_fn(f):
"""Wraps a function, to ensure that the current context is restored after
return from the function, and that the sentinel context is set once the