fix unexpected keyword argument render_options #52

[amirhosseinghanipour]

The Python wrapper called the Rust binding with keyword arguments, but the Rust binding expected positional arguments. That's why #52 reported the call to encoding.render(msg, render_options=...). So, I changed the Python method to pass positional arguments instead of keyword arguments when calling the binding.

[chris-monardo]

Thanks!

[jryanhaber]

This is one of the 30 or so substantive challenges I am working through, quite a grind, on getting the 120B actually running in this system. It is a ton of work.

I think I have the harmony conversion done, the weight mapping done, have def sorted the keys on both sides for the weight mapping, but getting them patched in is still a grind. I'm on it. Not sure if the authors prefer I fork or run a pull request here, let me know.

[dkundel-openai]

I don't see an issue with this PR but I can't replicate the issue this is meaning to fix. Do you have a test or an example to reproduce the fix? I tried to encoding.render both with a message and no options and with a message and options and both worked fine.

[chris-monardo]

Python 3.13.5
maturin 1.9.3
cargo 1.88.0 (873a06493 2025-05-10)

pytest -vvv tests/test_harmony.py::test_render_and_render_conversation_roundtrip
==================================================================================== test session starts =====================================================================================
platform linux -- Python 3.13.5, pytest-8.4.1, pluggy-1.6.0 -- /workspaces/harmony/.venv/bin/python
cachedir: .pytest_cache
rootdir: /workspaces/harmony
configfile: pyproject.toml
collected 1 item                                                                                                                                                                             

tests/test_harmony.py::test_render_and_render_conversation_roundtrip FAILED                                                                                                            [100%]

========================================================================================== FAILURES ==========================================================================================
_______________________________________________________________________ test_render_and_render_conversation_roundtrip ________________________________________________________________________

    def test_render_and_render_conversation_roundtrip():
        encoding = load_harmony_encoding(HarmonyEncodingName.HARMONY_GPT_OSS)
    
        msg = Message.from_role_and_content(Role.USER, "Hello")
        convo = Conversation.from_messages([msg])
    
>       tokens_msg = encoding.render(msg)
                     ^^^^^^^^^^^^^^^^^^^^

tests/test_harmony.py:811: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <openai_harmony.HarmonyEncoding object at 0x7fd7ca25d940>
message = Message(author=Author(role=<Role.USER: 'user'>, name=None), content=[TextContent(text='Hello')], channel=None, recipient=None, content_type=None), render_options = None

    def render(
        self, message: Message, render_options: Optional[RenderOptions] = None
    ) -> List[int]:
        """Render a single message into tokens."""
        if render_options is None:
            render_options_dict = {"conversation_has_function_tools": False}
        else:
            render_options_dict = {
                "conversation_has_function_tools": render_options.conversation_has_function_tools
            }
    
>       return self._inner.render(
            message_json=message.to_json(), render_options=render_options_dict
        )
E       TypeError: PyHarmonyEncoding.render() got an unexpected keyword argument 'render_options'

python/openai_harmony/__init__.py:516: TypeError
================================================================================== short test summary info ===================================================================================
FAILED tests/test_harmony.py::test_render_and_render_conversation_roundtrip - TypeError: PyHarmonyEncoding.render() got an unexpected keyword argument 'render_options'

[scott-oai]

taking a look today, thanks!

[scott-oai]

i am assuming you are only seeing this while doing local development? i have not been able to replicate this in CI or with a clean build. i was able to replicate this in an old version of the repo, which was used stale build.

locally if you run rm -f python/openai_harmony/openai_harmony.cpython-*.so and then rerun tests you should be good.

let me know if that fixes it or if there is still a remaining issue

[scott-oai]

I updated the test script do this in https://github.com/openai/harmony/pull/85/files#diff-290b975da1856c41de1e209d4bd830231577ddfc6608c94fd01baea8ac164540