test_module_imports.py 文件源码

def test_module_imports_are_direct():
    my_filename = abspath(inspect.getfile(inspect.currentframe()))
    my_dirname = dirname(my_filename)
    diagnose_imports_filename = join(my_dirname, 'diagnose_imports.py')
    diagnose_imports_filename = normpath(diagnose_imports_filename)

    process = subprocess.Popen(
        [
            sys.executable,
            normpath(diagnose_imports_filename),
            '--problems',
            '--by-importer'
        ],
        stdout=subprocess.PIPE,
        stderr=subprocess.STDOUT,
        bufsize=-1)
    output, _ = process.communicate()
    assert output == '', "There are import problems:\n" + output.decode()