fix(main_app): refactor main function and update script entry point in pyproject.toml

bec_widgets/applications/main_app.py

@@ -193,7 +193,12 @@ class BECMainApp(BECMainWindow):
             new_view.on_enter()
 
 
-if __name__ == "__main__":  # pragma: no cover
+def main():  # pragma: no cover
+    """
+    Main function to run the BEC main application, exposed as a script entry point through
+    pyproject.toml.
+    """
+    # pylint: disable=import-outside-toplevel
     import argparse
     import sys
 
@@ -225,3 +230,7 @@ if __name__ == "__main__":  # pragma: no cover
     w.show()
 
     sys.exit(app.exec())
+
+
+if __name__ == "__main__":  # pragma: no cover
+    main()

pyproject.toml

@@ -13,16 +13,16 @@ classifiers = [
     "Topic :: Scientific/Engineering",
 ]
 dependencies = [
-    "bec_ipython_client~=3.70", # needed for jupyter console
+    "bec_ipython_client~=3.70",      # needed for jupyter console
     "bec_lib~=3.70",
     "bec_qthemes~=1.0, >=1.1.2",
-    "black~=25.0",               # needed for bw-generate-cli
-    "isort~=5.13, >=5.13.2",     # needed for bw-generate-cli
+    "black~=25.0",                   # needed for bw-generate-cli
+    "isort~=5.13, >=5.13.2",         # needed for bw-generate-cli
     "ophyd_devices~=1.29, >=1.29.1",
     "pydantic~=2.0",
     "pyqtgraph==0.13.7",
     "PySide6==6.9.0",
-    "qtconsole~=5.5, >=5.5.1",   # needed for jupyter console
+    "qtconsole~=5.5, >=5.5.1",       # needed for jupyter console
     "qtpy~=2.4",
     "thefuzz~=0.22",
     "qtmonaco~=0.8, >=0.8.1",
@@ -58,7 +58,7 @@ Homepage = "https://gitlab.psi.ch/bec/bec_widgets"
 bw-generate-cli = "bec_widgets.cli.generate_cli:main"
 bec-gui-server = "bec_widgets.cli.server:main"
 bec-designer = "bec_widgets.utils.bec_designer:main"
-bec-app = "bec_widgets.applications.bec_app:main"
+bec-app = "bec_widgets.applications.main_app:main"
 
 [tool.hatch.build.targets.wheel]
 include = ["*"]