test_pkgutil.py 文件源码

def test_getdata_zipfile(self):
        zip = 'test_getdata_zipfile.zip'
        pkg = 'test_getdata_zipfile'

        # Include a LF and a CRLF, to test that binary data is read back
        RESOURCE_DATA = b'Hello, world!\nSecond line\r\nThird line'

        # Make a package with some resources
        zip_file = os.path.join(self.dirname, zip)
        z = zipfile.ZipFile(zip_file, 'w')

        # Empty init.py
        z.writestr(pkg + '/__init__.py', "")
        # Resource files, res.txt, sub/res.txt
        z.writestr(pkg + '/res.txt', RESOURCE_DATA)
        z.writestr(pkg + '/sub/res.txt', RESOURCE_DATA)
        z.close()

        # Check we can read the resources
        sys.path.insert(0, zip_file)
        res1 = pkgutil.get_data(pkg, 'res.txt')
        self.assertEqual(res1, RESOURCE_DATA)
        res2 = pkgutil.get_data(pkg, 'sub/res.txt')
        self.assertEqual(res2, RESOURCE_DATA)

        names = []
        for loader, name, ispkg in pkgutil.iter_modules([zip_file]):
            names.append(name)
        self.assertEqual(names, ['test_getdata_zipfile'])

        del sys.path[0]

        del sys.modules[pkg]