__init__.py 文件源码

def get_string_to_sign(self, request, headers):
        sts = []
        for header in headers:
            if header == "(request-target)":
                path_url = requests.models.RequestEncodingMixin.path_url.fget(request)
                sts.append("(request-target): {} {}".format(request.method.lower(), path_url))
            else:
                if header.lower() == "host":
                    value = request.headers.get("host", urlparse(request.url).hostname)
                else:
                    value = request.headers[header]
                sts.append("{k}: {v}".format(k=header.lower(), v=value))
        return "\n".join(sts).encode()