Updated the file header generated by the makeresources managment command to set Copyright and file encoding, and use io.open() for py2/3 compatibility.

 - Legacy-Id: 16441

Author: levkowetz

ietf/api/management/commands/makeresources.py

@@ -1,10 +1,12 @@
 # Copyright The IETF Trust 2014-2019, All Rights Reserved
 # -*- coding: utf-8 -*-
-
+from __future__ import absolute_import, print_function, unicode_literals
 
 import os
 import datetime
 import collections
+import io
+
 from importlib import import_module
 
 import debug                            # pyflakes:ignore
@@ -16,7 +18,11 @@
 from tastypie.resources import ModelResource
 
 
-resource_head_template = """# Autogenerated by the makeresources management command {{date}}
+resource_head_template = """# Copyright The IETF Trust {{date}}, All Rights Reserved
+# -*- coding: utf-8 -*-
+# Generated by the makeresources management command {{date}}
+
+
 from tastypie.resources import ModelResource
 from tastypie.fields import ToManyField                 # pyflakes:ignore
 from tastypie.constants import ALL, ALL_WITH_RELATIONS  # pyflakes:ignore
@@ -79,7 +85,7 @@ def handle_app_config(self, app, **options):
 
             if missing_resources:
                 print("Updating resources.py for %s" % app.name)
-                with open(resource_file_path, "a") as rfile:
+                with io.open(resource_file_path, "a") as rfile:
                     info = dict(
                         app=app.name,
                         app_label=app.label,