Windows / Mac Support

[zyronix]

With the changes made to allow support for multithreading, demeuk became unusable for Mac and Windows systems. The error that users are getting is:

PS C:\Users\USER\workspace\demeuk> python3 .\bin\demeuk.py
Traceback (most recent call last):
  File "C:\Users\USER\workspace\demeuk\bin\demeuk.py", line 1709, in <module>
    main()
  File "C:\Users\USER\workspace\demeuk\bin\demeuk.py", line 1665, in main
    with Pool(a_threads, init_worker) as pool:
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.12_3.12.2288.0_x64__qbz5n2kfra8p0\Lib\multiprocessing\context.py", line 119, in Pool
    return Pool(processes, initializer, initargs, maxtasksperchild,
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.12_3.12.2288.0_x64__qbz5n2kfra8p0\Lib\multiprocessing\pool.py", line 215, in __init__
    self._repopulate_pool()
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.12_3.12.2288.0_x64__qbz5n2kfra8p0\Lib\multiprocessing\pool.py", line 306, in _repopulate_pool
    return self._repopulate_pool_static(self._ctx, self.Process,
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.12_3.12.2288.0_x64__qbz5n2kfra8p0\Lib\multiprocessing\pool.py", line 329, in _repopulate_pool_static
    w.start()
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.12_3.12.2288.0_x64__qbz5n2kfra8p0\Lib\multiprocessing\process.py", line 121, in start
    self._popen = self._Popen(self)
                  ^^^^^^^^^^^^^^^^^
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.12_3.12.2288.0_x64__qbz5n2kfra8p0\Lib\multiprocessing\context.py", line 337, in _Popen
    return Popen(process_obj)
           ^^^^^^^^^^^^^^^^^^
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.12_3.12.2288.0_x64__qbz5n2kfra8p0\Lib\multiprocessing\popen_spawn_win32.py", line 95, in __init__
    reduction.dump(process_obj, to_child)
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.12_3.12.2288.0_x64__qbz5n2kfra8p0\Lib\multiprocessing\reduction.py", line 60, in dump
    ForkingPickler(file, protocol).dump(obj)
AttributeError: Can't get local object 'main.<locals>.init_worker'
PS C:\Users\USER\workspace\demeuk> Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.12_3.12.2288.0_x64__qbz5n2kfra8p0\Lib\multiprocessing\spawn.py", line 108, in spawn_main
    source_process = _winapi.OpenProcess(
                     ^^^^^^^^^^^^^^^^^^^^
OSError: [WinError 87] The parameter is incorrect

I tried some simple fixes I could find online, but those didn't really work (forcing the forking method). Have to spent some more time on this.