Switched from scripts to entry_points.

.github/workflows/runtests.yml

@@ -41,4 +41,5 @@ jobs:
       shell: bash -l {0}
       run: |
         python setup.py install
+        which yeadon
         yeadon -h

setup.py

@@ -23,7 +23,7 @@
     tests_require=['nose>=1.3.7'],
     test_suite='nose.collector',
     include_package_data=True,
-    entry_points={'console_scripts': ['yeadon = yeadon.app']},
+    entry_points={'console_scripts': ['yeadon=yeadon.app:run']},
     classifiers=[
         'Development Status :: 5 - Production/Stable',
         'Intended Audience :: Science/Research',

yeadon/app.py

@@ -2,32 +2,39 @@
 
 """Runs the GUI or the UI. The UI is a fallback if MayaVi is not installed."""
 
-if __name__ == '__main__':
+import argparse
+
 
-    import argparse
+def run():
 
-    parser = argparse.ArgumentParser(description='Yeadon command line options.')
+    parser = argparse.ArgumentParser(
+        description='Yeadon command line options.')
 
     parser.add_argument('-g', '--gui', action="store_true",
-        help='Runs the graphical user interface.')
+                        help='Runs the graphical user interface.')
 
     parser.add_argument('-u', '--ui', action="store_true",
-        help='Runs the text based user interface.')
+                        help='Runs the text based user interface.')
 
     args = parser.parse_args()
 
     try:
         import mayavi
     except ImportError:
-        print("MayaVi is not installed, resorting to text based user interface.")
+        print("MayaVi is not installed, resorting to text based user "
+              "interface.")
         has_mayavi = False
     else:
         del mayavi
         has_mayavi = True
 
-    if args.ui == True or has_mayavi == False:
+    if args.ui or not has_mayavi:
         from yeadon.ui import start_ui
         start_ui()
     else:
         from yeadon.gui import start_gui
         start_gui()
+
+
+if __name__ == '__main__':
+    run()