phone_number.py 文件源码

def __init__(self, region='US', max_length=20, *args, **kwargs):
        # Bail if phonenumbers is not found.
        if phonenumbers is None:
            raise ImproperlyConfigured(
                "'phonenumbers' is required to use 'PhoneNumberType'"
            )

        super(PhoneNumberType, self).__init__(*args, **kwargs)
        self.region = region
        self.impl = types.Unicode(max_length)