Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.8/site-packages/yarl/_helpers.py: 69%

1import os 

2import sys 

3from typing import TYPE_CHECKING 

4 

5__all__ = ("cached_property",) 

6 

7 

8NO_EXTENSIONS = bool(os.environ.get("YARL_NO_EXTENSIONS")) # type: bool 

9if sys.implementation.name != "cpython": 

10 NO_EXTENSIONS = True 

11 

12 

13# isort: off 

14if TYPE_CHECKING: 

15 from ._helpers_py import cached_property as cached_property_py 

16 

17 cached_property = cached_property_py 

18elif not NO_EXTENSIONS: # pragma: no branch 

19 try: 

20 from ._helpers_c import cached_property as cached_property_c # type: ignore[attr-defined, unused-ignore] # noqa: E501 

21 

22 cached_property = cached_property_c 

23 except ImportError: # pragma: no cover 

24 from ._helpers_py import cached_property as cached_property_py 

25 

26 cached_property = cached_property_py # type: ignore[assignment, misc] 

27else: 

28 from ._helpers_py import cached_property as cached_property_py 

29 

30 cached_property = cached_property_py # type: ignore[assignment, misc] 

31# isort: on