test_pkgutil.py 文件源码

def test_main():
    run_unittest(PkgutilTests, PkgutilPEP302Tests, ExtendPathTests,
                 NestedNamespacePackageTest, ImportlibMigrationTests)
    # this is necessary if test is run repeated (like when finding leaks)
    import zipimport
    import importlib
    zipimport._zip_directory_cache.clear()
    importlib.invalidate_caches()