google-apitools

from apitools.base.py import encoding from apitools.base.py import exceptions # Apitools is primarily used with auto-generated client libraries # that define specific Message classes. For demonstration, we'll # define a simple Message using apitools' base Message class. class MySimpleMessage(encoding.Message): field1 = encoding.StringField(1) field2 = encoding.IntegerField(2) # 1. Convert a Python dictionary to an apitools Message data_dict = {'field1': 'Hello Apitools', 'field2': 42} message_instance = encoding.DictToMessage(data_dict, MySimpleMessage) print(f"Original dict: {data_dict}") print(f"Converted Message: {message_instance}") print(f"Accessing message fields: {message_instance.field1}, {message_instance.field2}") # 2. Convert an apitools Message back to a Python dictionary dict_from_message = encoding.MessageToDict(message_instance) print(f"Converted back to dict: {dict_from_message}") # 3. Handle simulated HttpError (common in API interactions) try: # In a real scenario, this error would be raised during an API call raise exceptions.HttpError( 'https://api.example.com/data/404', request_headers={'User-Agent': 'apitools-demo'}, response_headers={'Content-Type': 'application/json'}, status_code=404, content=b'{"error": "Resource not found"}' ) except exceptions.HttpError as e: print(f"\nCaught a simulated HTTP Error:") print(f"Status Code: {e.status_code}") print(f"Error Content: {e.content.decode('utf-8')}") print(f"URL: {e.url}")