1 # Licensed to the Apache Software Foundation (ASF) under one or more
2 # contributor license agreements. See the NOTICE file distributed with
3 # this work for additional information regarding copyright ownership.
4 # The ASF licenses this file to You under the Apache License, Version 2.0
5 # (the "License"); you may not use this file except in compliance with
6 # the License. You may obtain a copy of the License at
8 # http://www.apache.org/licenses/LICENSE-2.0
10 # Unless required by applicable law or agreed to in writing, software
11 # distributed under the License is distributed on an "AS IS" BASIS,
12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 # See the License for the specific language governing permissions and
14 # limitations under the License.
16 from contextlib import contextmanager
20 def events_collector(*signals):
24 def handler_factory(key):
25 def handler(*args, **kwargs):
26 signal_events = collected.setdefault(key, [])
27 signal_events.append({'args': args, 'kwargs': kwargs})
28 handlers[signal] = handler
31 for signal in signals:
32 signal.connect(handler_factory(signal))
36 for signal in signals:
37 signal.disconnect(handlers[signal])