python (3.11.7)
       1  import sys
       2  import platform
       3  
       4  
       5  def add_ext_suffix_39(vars):
       6      """
       7      Ensure vars contains 'EXT_SUFFIX'. pypa/distutils#130
       8      """
       9      import _imp
      10  
      11      ext_suffix = _imp.extension_suffixes()[0]
      12      vars.update(
      13          EXT_SUFFIX=ext_suffix,
      14          # sysconfig sets SO to match EXT_SUFFIX, so maintain
      15          # that expectation.
      16          # https://github.com/python/cpython/blob/785cc6770588de087d09e89a69110af2542be208/Lib/sysconfig.py#L671-L673
      17          SO=ext_suffix,
      18      )
      19  
      20  
      21  needs_ext_suffix = sys.version_info < (3, 10) and platform.system() == 'Windows'
      22  add_ext_suffix = add_ext_suffix_39 if needs_ext_suffix else lambda vars: None