An 'invalid argument' output

glogger.py

@@ -6,11 +6,15 @@ import editpost
 import rebuild
 import initialise
 
+help_text = '''
+If no argument is passed, glogger will ask for a username;
+if that user exists, it will as if you want to create a new post, or edit a post (TODO)
+                  --help    Output this help text
+                  --rebuild Rewrite every static page in the site
+                  --config={configuration file path} Specify the file path of the configuration
+                  '''
+
 config_file_path = "config.py"
-if len(sys.argv) > 1:
-    for argument in sys.argv:
-        if argument[:9] == "--config=":
-            config_file_path = argument[9:]
 
 try:
     import posts
@@ -33,18 +37,27 @@ except:
 
 if len(sys.argv) > 1:
     for argument in sys.argv:
+        if argument == "glogger.py":
+            continue
         if argument == "--help":
-            print('''
-If no argument is passed, glogger will ask for a username;
-if that user exists, it will as if you want to create a new post, or edit a post (TODO)
-                  --help    Output this help text
-                  --rebuild Rewrite every static page in the site
-                  --config={configuration file path} Specify the file path of the configuration
-                  ''')
+            print(help_text)
             exit()
         if argument == "--rebuild":
             rebuild.rebuild()
             exit()
+        if argument[:9] == "--config=":
+            config_file_path = argument[9:]
+            try:
+                config = SourceFileLoader("config", config_file_path).load_module()
+                if config.autogenerated == True:
+                    print("Error: autogenerated = True")
+                    exit()
+            except:
+                print(f"{config_file_path} does not exist")
+                exit()
+        else:
+            print(f"Invalid Argument: {argument}")
+            print(help_text)
 
 username = input("Username: ").lower()