error handle chdir

library.py

+from curses.ascii import isdigit
 import os, re
 from os import path
 from os.path import exists
+from sys import exc_info
 import yaml
 from natsort import natsorted
 from generator import helper, format
@@ -8,7 +10,16 @@ from generator import helper, format
 
 def save_tag(localroot, root, filename, tag):
     return_tag = ""
-    os.chdir(root)
+
+    try:
+        os.chdir(root)
+        print("Current working directory: {0}".format(os.getcwd()))
+    except FileNotFoundError:
+        print("Directory: {0} does not exist".format(root))
+    except NotADirectoryError:
+        print("{0} is not a directory".format(root))
+    except PermissionError:
+        print("You do not have permissions to change to {0}".format(root))
 
     length_tag = len(tag)