distutils package is depricated in python 3.10

[SerGeRybakov]

Hi there!

First of all many thanks for such awesome framework!

Just installed python 3.10.1 and Sanic updated to 21.9.3 in my project. The very first run of pytest was broken by deprication warning "The distutils package is deprecated and slated for removal in Python 3.12."

Full trace is

ImportError while loading conftest '/home/serge/my_api/tests/conftest.py'.
tests/conftest.py:13: in <module>
    from app.api_server import create_app
app/api_server.py:7: in <module>
    from sanic_openapi.openapi2 import openapi2_blueprint
venv3101/lib/python3.10/site-packages/sanic_openapi/__init__.py:1: in <module>
    from .openapi2 import doc, openapi2_blueprint
venv3101/lib/python3.10/site-packages/sanic_openapi/openapi2/__init__.py:1: in <module>
    from .blueprint import blueprint_factory
venv3101/lib/python3.10/site-packages/sanic_openapi/openapi2/blueprint.py:2: in <module>
    from distutils.version import LooseVersion
../../.asdf/installs/python/3.10.1/lib/python3.10/distutils/__init__.py:19: in <module>
    warnings.warn(_DEPRECATION_MESSAGE,
E   DeprecationWarning: The distutils package is deprecated and slated for removal in Python 3.12. Use setuptools or check PEP 632 for potential alternatives

So for now I can not use Sanic-openapi (21.6.1) with python 3.10, what makes my really sad. Can it be updated asap?

[ahopkins]

Thanks for the feedback. Happy to accept a PR if you'd like to take a crack at it.

This is the way we generally are handling version checking: https://github.com/sanic-org/sanic-ext/blob/main/sanic_ext/bootstrap.py#L45

Which brings me to my next point, have you seen Sanic Extensions yet? It is meant as the replacement for this lib, which will no longer receive feature support. It is largely a 1:1 upgrade once you change some imports around. In your case, it might be a little more work since I see you are still using OAS2 and not OAS3. Sanic Extensions only has support for OAS3.

[SerGeRybakov]

@ahopkins Thanks a lot for pointing Extensions. Haven't used them yet. My docs in OAS2 cause I followed your documentation where it was undelined that OAS3 is experimental. For now I'll try it. Thanks a lot once again.

[ahopkins]

undelined that OAS3 is experimental

Hmm... we should remove that. Thanks for pointing that out.

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