Added ability to not import reagents on first import.

src/submissions/__main__.py

@@ -1,17 +1,50 @@
 import sys, os
 from tools import ctx, setup_logger, check_if_app
+from backend import scripts
 
 # environment variable must be set to enable qtwebengine in network path
 if check_if_app():
     os.environ['QTWEBENGINE_DISABLE_SANDBOX'] = "1"
+
 # setup custom logger
 logger = setup_logger(verbosity=3)
-# create settings object
 
 from PyQt6.QtWidgets import QApplication
 from frontend.widgets.app import App
 
+
+def run_startup():
+    try:
+        startup_scripts = ctx.startup_scripts
+    except AttributeError as e:
+        logger.error(f"Couldn't get startup scripts due to {e}")
+        return
+    for script in startup_scripts:
+        try:
+            func = getattr(scripts, script)
+        except AttributeError as e:
+            logger.error(f"Couldn't run startup script {script} due to {e}")
+            continue
+        func(ctx)
+
+
+def run_teardown():
+    try:
+        teardown_scripts = ctx.teardown_scripts
+    except AttributeError as e:
+        logger.error(f"Couldn't get teardown scripts due to {e}")
+        return
+    for script in teardown_scripts:
+        try:
+            func = getattr(scripts, script)
+        except AttributeError as e:
+            logger.error(f"Couldn't run teardown script {script} due to {e}")
+            continue
+        func(ctx)
+
 if __name__ == '__main__':
+    run_startup()
     app = QApplication(['', '--no-sandbox'])
     ex = App(ctx=ctx)
-    sys.exit(app.exec())
+    app.exec()
+    sys.exit(run_teardown())