send_grades.py 文件源码

def _post_patched_request(lti_key, secret, body, url, method, content_type):  # pylint: disable=too-many-arguments
    """
    Authorization header needs to be capitalized for some LTI clients
    this function ensures that header is capitalized

    :param body: body of the call
    :param client: OAuth Client
    :param url: outcome url
    :return: response
    """

    consumer = oauth2.Consumer(key=lti_key, secret=secret)
    client = oauth2.Client(consumer)

    import httplib2

    http = httplib2.Http
    # pylint: disable=protected-access
    normalize = http._normalize_headers

    def my_normalize(self, headers):
        """ This function patches Authorization header """
        ret = normalize(self, headers)
        if 'authorization' in ret:
            ret['Authorization'] = ret.pop('authorization')
        return ret

    http._normalize_headers = my_normalize
    monkey_patch_function = normalize
    response, content = client.request(
        url,
        method,
        body=body.encode("utf8"),
        headers={'Content-Type': content_type})

    http = httplib2.Http
    # pylint: disable=protected-access
    http._normalize_headers = monkey_patch_function

    return response, content