import sys from setuptools.command.egg_info import egg_info as _egg_info class egg_info(_egg_info): def run(self): if 'sdist' in sys.argv: import warnings import textwrap msg = textwrap.dedent(""" `build_src` is being run, this may lead to missing files in your sdist! You want to use distutils.sdist instead of the setuptools version: from distutils.command.sdist import sdist cmdclass={'sdist': sdist}" See numpy's setup.py or gh-7131 for details.""") warnings.warn(msg, UserWarning, stacklevel=2) # We need to ensure that build_src has been executed in order to give # setuptools' egg_info command real filenames instead of functions which # generate files. self.run_command("build_src") _egg_info.run(self)