Updating clone module logic

Author: sanidhya-saraswat

scripts/clone_access_modules.py

@@ -1,6 +1,7 @@
 import json
 import sys
 from git import Repo
+import os
 
 try:
   f = open("./config.json","r")
@@ -9,7 +10,10 @@
   for url in urls:
     folder_name = url.split("/").pop()[:-4]
     try:
-      Repo.clone_from(url, "./Access/access_modules/"+folder_name)
+      if os.path.exists("./Access/access_modules/"+folder_name):
+        Repo("./Access/access_modules/"+folder_name).remotes.origin.pull()
+      else:
+        Repo.clone_from(url, "./Access/access_modules/"+folder_name)
     except Exception as e:
       print("failed cloning "+folder_name+".")
 except Exception as e: