grpc-client-read_iterfile.py

def read_iterfile(filepath, chunk_size=1024):
    split_data = os.path.splitext(filepath)
    filename = split_data[0]
    extension = split_data[1]

    metadata = hello_pb2.MetaData(filename=filename, extension=extension)
    yield hello_pb2.UploadFileRequest(metadata=metadata)
    with open(filepath, mode="rb") as f:
        while True:
            chunk = f.read(chunk_size)
            if chunk:
                entry_request = hello_pb2.UploadFileRequest(chunk_data=chunk)
                yield entry_request
            else:  # The chunk was empty, which means we're at the end of the file
                return