Edit File: typing.cpython-37.pyc
B �j�cy � @ s& d Z dZerddlmZ ndd� ZdS )aB For neatly implementing static typing in pip. `mypy` - the static type analysis tool we use - uses the `typing` module, which provides core functionality fundamental to mypy's functioning. Generally, `typing` would be imported at runtime and used in that fashion - it acts as a no-op at runtime and does not have any run-time overhead by design. As it turns out, `typing` is not vendorable - it uses separate sources for Python 2/Python 3. Thus, this codebase can not expect it to be present. To work around this, mypy allows the typing import to be behind a False-y optional to prevent it from running at runtime and type-comments can be used to remove the need for the types to be accessible directly during runtime. This module provides the False-y guard in a nicely named fashion so that a curious maintainer can reach here to read this. In pip, all static-typing related imports should be guarded as follows: from pip._internal.utils.typing import MYPY_CHECK_RUNNING if MYPY_CHECK_RUNNING: from typing import ... Ref: https://github.com/python/mypy/issues/3216 F� )�castc C s |S )N� )�type_�valuer r ��/builddir/build/BUILDROOT/alt-python37-pip-20.2.4-5.el8.x86_64/opt/alt/python37/lib/python3.7/site-packages/pip/_internal/utils/typing.pyr % s r N)�__doc__�MYPY_CHECK_RUNNING�typingr r r r r �<module> s