Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.8/site-packages/hypothesis/utils/dynamicvariables.py: 100%

1# This file is part of Hypothesis, which may be found at 

2# https://github.com/HypothesisWorks/hypothesis/ 

3# 

4# Copyright the Hypothesis Authors. 

5# Individual contributors are listed in AUTHORS.rst and the git log. 

6# 

7# This Source Code Form is subject to the terms of the Mozilla Public License, 

8# v. 2.0. If a copy of the MPL was not distributed with this file, You can 

9# obtain one at https://mozilla.org/MPL/2.0/. 

10 

11import threading 

12from contextlib import contextmanager 

13 

14 

15class DynamicVariable: 

16 def __init__(self, default): 

17 self.default = default 

18 self.data = threading.local() 

19 

20 @property 

21 def value(self): 

22 return getattr(self.data, "value", self.default) 

23 

24 @value.setter 

25 def value(self, value): 

26 self.data.value = value 

27 

28 @contextmanager 

29 def with_value(self, value): 

30 old_value = self.value 

31 try: 

32 self.data.value = value 

33 yield 

34 finally: 

35 self.data.value = old_value