responsetypes.py 文件源码

def from_args(self, headers=None, url=None, filename=None, body=None):
        """Guess the most appropriate Response class based on
        the given arguments."""
        cls = super(SplashResponseTypes, self).from_args(
            headers=headers,
            url=url,
            filename=filename,
            body=body
        )
        if cls is Response:
            cls = scrapy_splash.SplashResponse
        return cls