Python HTTPRequest.auth_path方法代码示例

# 需要导入模块: from tornado.httpclient import HTTPRequest [as 别名]
# 或者: from tornado.httpclient.HTTPRequest import auth_path [as 别名]
    def make_request(self, action, body='', callback=None, object_hook=None):
        """
        Make an asynchronous HTTP request to DynamoDB. Callback should operate on
        the decoded json response (with object hook applied, of course). It should also
        accept an error argument, which will be a boto.exception.DynamoDBResponseError.

        If there is not a valid session token, this method will ensure that a new one is fetched
        and cache the request when it is retrieved.
        """
        this_request = functools.partial(self.make_request, action=action,
            body=body, callback=callback,object_hook=object_hook)
        if self.authenticate_requests and self.provider.security_token in [None, PENDING_SESSION_TOKEN_UPDATE]:
            # we will not be able to complete this request because we do not
            # have a valid session token. queue it and try to get a new one.
            # _update_session_token will ensure that only one request
            # for a session token goes out at a time
            self.pending_requests.appendleft(this_request)

            def cb_for_update(error=None):
                # create a callback to handle errors getting session token
                # callback here is assumed to take a json response,
                # and an instance of DynamoDBResponseError
                if error:
                    return callback({}, error=DynamoDBResponseError(error.status, error.reason))
                else:
                    return
            self._update_session_token(cb_for_update)
            return
        body = body.encode('utf-8')
        headers = {'X-Amz-Target': '%s_%s.%s' % (self.ServiceName,
                                                 self.Version, action),
                   'Content-Type': 'application/x-amz-json-1.0',
                   'Content-Length': str(len(body))}
        request = HTTPRequest(self.url, method='POST', headers=headers,
                              body=body, validate_cert=self.validate_cert)
        request.path = '/'  # Important! set the path variable for signing by boto (<2.7). '/' is the path for all dynamodb requests
        request.auth_path = '/'  # Important! set the auth_path variable for signing by boto(>2.7). '/' is the path for all dynamodb requests
        request.params = {}
        request.port = self.port
        request.protocol = self.protocol
        request.host = self.host
        if self.authenticate_requests:
            self._auth_handler.add_auth(request)  # add signature to headers of the request
        callback = functools.partial(
            self._finish_make_request, callback=callback,
            orig_request=this_request, token_used=self.provider.security_token,
            object_hook=object_hook
        )
        self.http_client.fetch(request, callback)

# 需要导入模块: from tornado.httpclient import HTTPRequest [as 别名]
# 或者: from tornado.httpclient.HTTPRequest import auth_path [as 别名]
  def make_request(self, action, params={}, path='/', verb='GET', callback=None):
    """Make an async request. This handles the logic of translating
    from boto params to a tornado request obj, issuing the request,
    and passing back the body.

    The callback should operate on the body of the response, and take
    an optional error argument that will be a tornado error.
    """
    request = HTTPRequest('https://%s' % self.host, method=verb)
    request.params = params
    request.auth_path = '/' # need this for auth
    request.host = self.host # need this for auth
    if action:
      request.params['Action'] = action
    if self.APIVersion:
      request.params['Version'] = self.APIVersion
    self._auth_handler.add_auth(request) # add signature
    http_client = AsyncHTTPClient()
    http_client.fetch(request, functools.partial(self._finish_make_request, callback=callback))