91 lines
3.2 KiB
Python
91 lines
3.2 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Copyright 2018 New Vector Ltd
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
from __future__ import print_function
|
|
|
|
import functools
|
|
import sys
|
|
|
|
from twisted.internet import defer
|
|
from twisted.internet.defer import Deferred
|
|
from twisted.python.failure import Failure
|
|
|
|
|
|
def do_patch():
|
|
"""
|
|
Patch defer.inlineCallbacks so that it checks the state of the logcontext on exit
|
|
"""
|
|
|
|
from synapse.util.logcontext import LoggingContext
|
|
|
|
orig_inline_callbacks = defer.inlineCallbacks
|
|
|
|
def new_inline_callbacks(f):
|
|
|
|
orig = orig_inline_callbacks(f)
|
|
|
|
@functools.wraps(f)
|
|
def wrapped(*args, **kwargs):
|
|
start_context = LoggingContext.current_context()
|
|
|
|
try:
|
|
res = orig(*args, **kwargs)
|
|
except Exception:
|
|
if LoggingContext.current_context() != start_context:
|
|
err = "%s changed context from %s to %s on exception" % (
|
|
f, start_context, LoggingContext.current_context()
|
|
)
|
|
print(err, file=sys.stderr)
|
|
raise Exception(err)
|
|
raise
|
|
|
|
if not isinstance(res, Deferred) or res.called:
|
|
if LoggingContext.current_context() != start_context:
|
|
err = "%s changed context from %s to %s" % (
|
|
f, start_context, LoggingContext.current_context()
|
|
)
|
|
# print the error to stderr because otherwise all we
|
|
# see in travis-ci is the 500 error
|
|
print(err, file=sys.stderr)
|
|
raise Exception(err)
|
|
return res
|
|
|
|
if LoggingContext.current_context() != LoggingContext.sentinel:
|
|
err = (
|
|
"%s returned incomplete deferred in non-sentinel context "
|
|
"%s (start was %s)"
|
|
) % (
|
|
f, LoggingContext.current_context(), start_context,
|
|
)
|
|
print(err, file=sys.stderr)
|
|
raise Exception(err)
|
|
|
|
def check_ctx(r):
|
|
if LoggingContext.current_context() != start_context:
|
|
err = "%s completion of %s changed context from %s to %s" % (
|
|
"Failure" if isinstance(r, Failure) else "Success",
|
|
f, start_context, LoggingContext.current_context(),
|
|
)
|
|
print(err, file=sys.stderr)
|
|
raise Exception(err)
|
|
return r
|
|
|
|
res.addBoth(check_ctx)
|
|
return res
|
|
|
|
return wrapped
|
|
|
|
defer.inlineCallbacks = new_inline_callbacks
|