Break out argument parsing in seperate routine

sort_certificate.py

@@ -239,12 +239,10 @@ def load_root_issuers():
         return root_issuers
 
 
-
-def main():
+def handle_args():
     '''
-    main program start and argument parsing
+    Handle tool arguments
     '''
-
     parser = ArgumentParser(description='Reorder X509/RSA data for'
                                         ' hosting use')
 
@@ -287,10 +285,19 @@ def main():
                         help='x509 fullchain (+ rsa privkey)'
                              ' bundles to be checked')
 
-    args = parser.parse_args()
+    return parser.parse_args()
+
+
+def main():
+    '''
+    main program start and argument parsing
+    '''
+
 
     root_issuers = None
 
+    args = handle_args()
+
     if args.verbose:
         logging.basicConfig(level=logging.INFO)
     elif args.debug: