Remove redundant PreserveLoggingContext

Both (!) things that register as replication listeners do the right thing wrt
logcontexts, so this is redundant.
This commit is contained in:
Richard van der Hoff 2019-03-04 18:31:18 +00:00
parent daa10e3e66
commit c7325776a7

View file

@ -203,7 +203,9 @@ class Notifier(object):
def add_replication_callback(self, cb):
"""Add a callback that will be called when some new data is available.
Callback is not given any arguments.
Callback is not given any arguments. It should *not* return a Deferred - if
it needs to do any asynchronous work, a background thread should be started and
wrapped with run_as_background_process.
"""
self.replication_callbacks.append(cb)
@ -515,12 +517,5 @@ class Notifier(object):
def notify_replication(self):
"""Notify the any replication listeners that there's a new event"""
with PreserveLoggingContext():
# the callbacks may well outlast the current request, so we run
# them in the sentinel logcontext.
#
# (ideally it would be up to the callbacks to know if they were
# starting off background processes and drop the logcontext
# accordingly, but that requires more changes)
for cb in self.replication_callbacks:
cb()
for cb in self.replication_callbacks:
cb()