Is orjson intended to be optional?

[evnchn]

So I was trying to switch to PyPy and assess its performance since their garbage collector is incremental and doesn't "stop the world", and so we won't have lag spikes that way.

But it doesn't work since there is no pre built orjson for PyPy and I don't have Rust toolchain installed on my system.

Here, we are trying to optionally import orjson

https://github.com/zauberzeug/nicegui/blob/main/nicegui%2Fjson%2F__init__.py

But orjson is required here (no optional)

nicegui/pyproject.toml

Line 26 in dbd78c1

orjson = {version = ">=3.9.15", markers = "platform_machine != 'i386' and platform_machine != 'i686'"} # https://github.com/zauberzeug/nicegui/security/dependabot/29, orjson does not support 32bit

With that I'd like to ask:

• Is orjson intended to be mandatory to optional?
• How to proceed with installing NiceGUI on PyPy without resorting to pip install --no-deps and manually installing the rest of the dependencies?

Thanks!

[falkoschindler]

Yes, in general we do require orjson as a dependency to improve performance.

But since we noticed that orjson isn't supported for 32bit, we added markers to exclude certain machines (2b983c7). Therefore NiceGUI can't strictly expect it to be installed and needs to fallback to the built-in json module.

I don't have experience with PyPy, so I don't know how to proceed. Somehow we'd need to add the possibility to omit orjson while keeping it a default requirement.

[evnchn]

Check out #5163