grpc-client-downloadfile.py

def get_filepath(filename, extension):
    return f'{filename}{extension}'
    

def run():
    with grpc.insecure_channel('localhost:50051') as channel:
        ...
        
        filename = 'test'
        extension = '.jpg'
        filepath = get_filepath(filename, extension)
        for entry_response in stub.DownloadFile(hello_pb2.MetaData(filename=filename, extension=extension)):
            with open(filepath, mode="ab") as f:
                f.write(entry_response.chunk_data)