test_easy_install.py 文件源码

def create_sdist(self, installer):
        """
        Create an sdist with a setup_requires dependency (of something that
        doesn't exist) and invoke installer on it.
        """
        def build_sdist(dir):
            dist_path = os.path.join(dir, 'setuptools-test-fetcher-1.0.tar.gz')
            make_trivial_sdist(
                dist_path,
                textwrap.dedent("""
                    import setuptools
                    setuptools.setup(
                        name="setuptools-test-fetcher",
                        version="1.0",
                        setup_requires = ['does-not-exist'],
                    )
                """).lstrip())
            installer(dist_path)
        tempdir_context(build_sdist)