Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.8/site-packages/google/api_core/future/_helpers.py: 43%

1# Copyright 2017, Google LLC 

2# 

3# Licensed under the Apache License, Version 2.0 (the "License"); 

4# you may not use this file except in compliance with the License. 

5# You may obtain a copy of the License at 

6# 

7# http://www.apache.org/licenses/LICENSE-2.0 

8# 

9# Unless required by applicable law or agreed to in writing, software 

10# distributed under the License is distributed on an "AS IS" BASIS, 

11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 

12# See the License for the specific language governing permissions and 

13# limitations under the License. 

14 

15"""Private helpers for futures.""" 

16 

17import logging 

18import threading 

19 

20 

21_LOGGER = logging.getLogger(__name__) 

22 

23 

24def start_daemon_thread(*args, **kwargs): 

25 """Starts a thread and marks it as a daemon thread.""" 

26 thread = threading.Thread(*args, **kwargs) 

27 thread.daemon = True 

28 thread.start() 

29 return thread 

30 

31 

32def safe_invoke_callback(callback, *args, **kwargs): 

33 """Invoke a callback, swallowing and logging any exceptions.""" 

34 # pylint: disable=bare-except 

35 # We intentionally want to swallow all exceptions. 

36 try: 

37 return callback(*args, **kwargs) 

38 except Exception: 

39 _LOGGER.exception("Error while executing Future callback.")