venv/lib/python3.11/site-packages/setuptools/_distutils/_functools.py

   1 import functools
   2
   3
   4 # from jaraco.functools 3.5
   5 def pass_none(func):
   6     """
   7     Wrap func so it's not called if its first param is None
   8
   9     >>> print_text = pass_none(print)
  10     >>> print_text('text')
  11     text
  12     >>> print_text(None)
  13     """
  14
  15     @functools.wraps(func)
  16     def wrapper(param, *args, **kwargs):
  17         if param is not None:
  18             return func(param, *args, **kwargs)
  19
  20     return wrapper