color.py 文件源码

def __init__(self, max_length=20, *args, **kwargs):
        # Fail if colour is not found.
        if colour is None:
            raise ImproperlyConfigured(
                "'colour' package is required to use 'ColorType'"
            )

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