utils.py 文件源码

def test_import_string(self):
        import cgi
        from werkzeug.debug import DebuggedApplication
        self.assert_is(utils.import_string('cgi.escape'), cgi.escape)
        self.assert_is(utils.import_string(u'cgi.escape'), cgi.escape)
        self.assert_is(utils.import_string('cgi:escape'), cgi.escape)
        self.assert_is_none(utils.import_string('XXXXXXXXXXXX', True))
        self.assert_is_none(utils.import_string('cgi.XXXXXXXXXXXX', True))
        self.assert_is(utils.import_string(u'cgi.escape'), cgi.escape)
        self.assert_is(utils.import_string(u'werkzeug.debug.DebuggedApplication'), DebuggedApplication)
        self.assert_raises(ImportError, utils.import_string, 'XXXXXXXXXXXXXXXX')
        self.assert_raises(ImportError, utils.import_string, 'cgi.XXXXXXXXXX')