Fetch a precompiled version of Python instead of depending on one in the system

[tonybaloney]

Feature:

To bundled Python packages and ship them as nuget packages, it is unreasonable to expect the end user to have or know where Python is installed.

Use the new python-static-builds to have a simple zero-arguments locator which downloads and installs Python into a temporary folder and uses that for everything in CSnakes.

Related #322

[NimaAra]

This is indeed what I have been doing for the past week to standardise my builds across platforms.

Can I suggest there to be an option to adopt uv and not just the stand-alone ptyhon builds. The uv venv --no-cache build and subsequent uv pip install --no-cache is an order of magnitude faster compared to the default pip install that WithPipInstaller() is currently using.

For the uv venv and uv pip install I suggest there be an option to pass in additional args e.g. --allow-existing, --relocatable etc.

[tonybaloney]

This is indeed what I have been doing for the past week to standardise my builds across platforms.

Great,

Can I suggest there to be an option to adopt uv and not just the stand-alone ptyhon builds

Yes that's coming. This is an easy way to install Python, then I can install uv and launchpad from there. I'm going to create another issue for uv support.

[tonybaloney]

I've only got 3.12 in there at the moment, I need to work out an indexing method since the builds from UV are only the latest minor version from 3.10-3.14.

[NimaAra]

Yeah I only support 3.12 in my solution; Also worth noting there is no musl build as of now (in case one needs to run on Alpine for example). There has been an issue for a while and hopefully it shouldn't be much longer to address it.