making an installer is the hardest ngl

open.py

@@ -16,12 +16,21 @@ def activate_virtualenv(env_name):
         activate_cmd = os.path.join(env_name, 'bin', 'activate')
         subprocess.run(f'source {activate_cmd}', shell=True)
 
+def check_customtkinter_exists(env_name):
+    try:
+        subprocess.run(['python', '-m', 'pip', 'list', '--format=columns'], check=True)
+        pip_list_output = subprocess.check_output(['python', '-m', 'pip', 'list'], universal_newlines=True)
+        return 'customtkinter' in pip_list_output
+    except subprocess.CalledProcessError:
+        return False
+
+def install_customtkinter(env_name):
+    print("Installing customtkinter...")
+    subprocess.run(['python', '-m', 'pip', 'install', 'customtkinter'])
+
 def run_main():
     subprocess.run(['python', 'main.py'])
 
-def run_updater():
-    subprocess.run(['python', 'updater.py'])
-
 def main():
     env_name = "myenv"
 
@@ -32,12 +41,11 @@ def main():
 
     activate_virtualenv(env_name)
 
-    if os.path.exists(os.path.join(env_name, 'lib', 'python3.x', 'site-packages', 'customtkinter', '__init__.py')):
-        print("Module 'customtkinter' found.")
-        run_main()
-    else:
-        print("Module 'customtkinter' not found.")
-        run_updater()
+    if not check_customtkinter_exists(env_name):
+        install_customtkinter(env_name)
+
+    # Now we can proceed with running main.py
+    run_main()
 
 if __name__ == "__main__":
     main()