setup.py 文件源码

def make_release_tree(self, base_dir, files):
        import os
        sdist.make_release_tree(self, base_dir, files)
        version_file = os.path.join(base_dir, 'VERSION')
        print('updating %s' % (version_file,))
        # Write to temporary file first and rename over permanent not
        # just to avoid atomicity issues (not likely an issue since if
        # interrupted the whole sdist directory is only partially
        # written) but because the upstream sdist may have made a hard
        # link, so overwriting in place will edit the source tree.
        with open(version_file + '.tmp', 'wb') as f:
            f.write('%s\n' % (pkg_version,))
        os.rename(version_file + '.tmp', version_file)

# XXX These should be attributes of `setup', but helpful distutils
# doesn't pass them through when it doesn't know about them a priori.