request.py 文件源码

def load_body(self):
        """ Load http request body and returns
            form data and files.
        """
        environ = self.environ
        cl = environ['CONTENT_LENGTH']
        icl = int(cl)
        if icl > self.max_content_lenght:
            raise ValueError('Maximum content length exceeded')
        fp = environ['wsgi.input']
        ct = environ['CONTENT_TYPE']
        # application/x-www-form-urlencoded
        if '/x' in ct:
            return parse_qs(fp.read(icl).decode(self.encoding)), None
        # application/json
        elif '/j' in ct:
            return json_loads(fp.read(icl).decode(self.encoding)), None
        # multipart/form-data
        elif ct.startswith('m'):
            return parse_multipart(fp, ct, cl, self.encoding)
        else:
            return None, None