OnPyInitApp, OnPyUnloadApp, OnPyReload

[gswifort]

Current state:

OnPyInitApp	is executed on every module load (first)
OnPyReload	is executed on module reload (second)
OnPyUnloadApp	is probably never executed..?

I don't currently see a way to remove reactors on module reload.

I think that on module reload the OnPyUnloadApp function from the currently loaded module should be executed first and then the OnPyInitApp function from the updated module. After that OnPyReload.

[CEXT-Dan]

OnPyUnloadApp is executed at shutdown, see testPyDbObjectOverrule.py If the overrule is not removed, BricsCAD crashes.

I can change the order when reloading
1, OnPyUnloadApp
2, PyImport_ReloadModule in C++
3, OnPyInitApp
4, OnPyLoadDwg (this always follows OnPyInitApp)
5, OnPyReload

[gswifort]

looks good

[gswifort]

I'm still not sure if this is the best order. OnPyInitApp will probably import something and will want to import reloaded modules. Reloading modules is handled by OnPyReload (pyrx.reload function). Maybe:

1. OnPyUnloadApp
2. PyImport_ReloadModule in C++
3. OnPyReload
4. OnPyInitApp
5. OnPyLoadDwg (this always follows OnPyInitApp)