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))
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, error.body)) else: return self._update_session_token(cb_for_update) return 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('https://%s' % self.host, 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 if self.authenticate_requests: self._auth_handler.add_auth( request) # add signature to headers of the request self.http_client.fetch(request, functools.partial( self._finish_make_request, callback=callback, orig_request=this_request, token_used=self.provider.security_token, object_hook=object_hook)) # bam!
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)
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))