Line data    Source code

       1             : # SPDX-FileCopyrightText: 2025 PairInteraction Developers
       2             : # SPDX-License-Identifier: LGPL-3.0-or-later
       3             : 
       4             : 
       5           1 : import multiprocessing
       6           1 : import sys
       7             : 
       8           1 : from pairinteraction_gui.app import Application
       9           1 : from pairinteraction_gui.main_window import MainWindow
      10             : 
      11           1 : __all__ = ["main"]
      12             : 
      13             : 
      14           1 : def main() -> int:
      15             :     """Run the PairInteraction GUI application.
      16             : 
      17             :     Returns:
      18             :         int: Application exit code
      19             : 
      20             :     """
      21             :     # Multithreading together with "fork" is not supported
      22             :     # (up to python 3.14 "fork" was the default on linux
      23             :     # see also https://docs.python.org/3/library/multiprocessing.html#contexts-and-start-methods
      24             :     # and https://docs.python.org/3.14/whatsnew/3.14.html#whatsnew314-multiprocessing-start-method)
      25             :     # We set the start method to "spawn" for all platforms (anyway default on mac and windows)
      26             :     # TODO instead of multiprocessing it would probably be better to release the GIL during some C++ calls
      27             :     # see here: https://nanobind.readthedocs.io/en/latest/api_core.html#_CPPv4N8nanobind18gil_scoped_releaseE
      28           0 :     multiprocessing.set_start_method("spawn")
      29             : 
      30           0 :     app = Application(sys.argv)
      31           0 :     app.setApplicationName("PairInteraction")
      32             : 
      33           0 :     app.allow_ctrl_c()
      34             : 
      35           0 :     window = MainWindow()
      36           0 :     window.show()
      37             : 
      38           0 :     return app.exec()