[pyqt5to6] store enums to allow usage without QGIS

[3nids]

This is a first attempt to use this script without QGIS or PyQt6 available.
This would allow to create an easily installable package and create a pre-commit hook so it could be easily integrated to facilitate the transition.

But it seems a bit more complicated than thought.
Especially here:
https://github.com/3nids/qgis-pyqt5to6/blob/7fc059c5a41f7538f39e9ff7ac86a920aa2e315a/pyqt5to6/pyqt5to6.py#L455
https://github.com/3nids/qgis-pyqt5to6/blob/7fc059c5a41f7538f39e9ff7ac86a920aa2e315a/pyqt5to6/pyqt5to6.py#L657-L668

The idea would be to store everything in json files that would be used when QGIS/PyQt6 are not available.
@nyalldawson do you think it's possible in a reasonnable effort to do so?

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[nyalldawson]

@3nids

do you think it's possible in a reasonnable effort to do so

Reasonable? Probably not. It sounds like a worthwhile goal though!! (I can't assist unfortunately.)

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