Class Example

from time import sleep

from collegamento import FileClient, FileServer, Request


class MyClient:
    def __init__(self):
        self.context = FileClient({"MyClientFunc": self.split_str})

        self.context.update_file("user_file", "")

    def change_file(self, new_contents: str) -> None:
        self.context.update_file("user_file", new_contents)

    def request_split(self) -> None:
        self.context.request("MyClientFunc", file="user_file")

    def check_split(self) -> list[str] | None:
        output = self.context.get_response("MyClientFunc")
        if output is not None:
            return output["result"]  # type: ignore
        return output

    def split_str(self, server: FileServer, arg: Request) -> list[str]:
        file = arg["file"]  # type: ignore
        return file.split(" ")


def main():
    mc = MyClient()
    mc.change_file("Test File")
    mc.request_split()

    sleep(1)

    output = mc.check_split()
    print(output)


if __name__ == "__main__":
    main()

See the file example file here.