[GitHub] feng-tao commented on a change in pull request #4624: [AIRFLOW-3787] Import/export users from JSON file

[GitBox <gi...@apache.org>]

feng-tao commented on a change in pull request #4624: [AIRFLOW-3787] Import/export users from JSON file
URL: https://github.com/apache/airflow/pull/4624#discussion_r252393304
 
 

 ##########
 File path: airflow/bin/cli.py
 ##########
 @@ -1474,6 +1474,107 @@ def users(args):
                 print('User "{}" added to role "{}".'.format(
                     user,
                     args.role))
+    elif args.export:
+        appbuilder = cached_appbuilder()
+        users = appbuilder.sm.get_all_users()
+        fields = ['id', 'username', 'email', 'first_name', 'last_name', 'roles']
+
+        # In the User model the first and last name fields have underscores,
+        # but the corresponding parameters in the CLI don't
+        def remove_underscores(s):
+            return re.sub("_", "", s)
+
+        users = [
+            {remove_underscores(field): user.__getattribute__(field)
+             if field != 'roles' else [r.name for r in user.roles]
+             for field in fields}
+            for user in users
+        ]
+
+        with open(args.export, 'w') as f:
+            f.write(json.dumps(users, sort_keys=True, indent=4))
+            print("{} users successfully exported to {}".format(len(users), f.name))
+
+    elif getattr(args, 'import'):  # "import" is a reserved word
+        json_file = getattr(args, 'import')
+        if not os.path.exists(json_file):
 
 Review comment:
   it would be good to give an example what an import json file will look like.

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