INCR-141: Run python-modernize on...

INCR-141: Run python-modernize on openedx/core/djangoapps/content/block_structure [migrations, management, config]

openedx/core/djangoapps/content/block_structure/config/__init__.py

@@ -2,6 +2,8 @@
 This module contains various configuration settings via
 waffle switches for the Block Structure framework.
 """
+from __future__ import absolute_import
+
 from openedx.core.djangoapps.waffle_utils import WaffleSwitchNamespace
 from openedx.core.lib.cache_utils import request_cached
 

openedx/core/djangoapps/content/block_structure/config/models.py

 """
 Models for configuration of Block Structures.
 """
+from __future__ import absolute_import
+
 from django.db.models import IntegerField
 from config_models.models import ConfigurationModel
 

openedx/core/djangoapps/content/block_structure/management/commands/generate_course_blocks.py

 """
 Command to load course blocks.
 """
+from __future__ import absolute_import
+
 import logging
 
 from django.core.management.base import BaseCommand
+import six
 from six import text_type
 from xmodule.modulestore.django import modulestore
 
@@ -136,7 +139,7 @@ class Command(BaseCommand):
             except Exception as ex:  # pylint: disable=broad-except
                 log.exception(
                     u'BlockStructure: An error occurred while generating course blocks for %s: %s',
-                    unicode(course_key),
+                    six.text_type(course_key),
                     text_type(ex),
                 )
 
@@ -148,7 +151,7 @@ class Command(BaseCommand):
             action = tasks.update_course_in_cache_v2 if options.get('force_update') else tasks.get_course_in_cache_v2
             task_options = {'routing_key': options['routing_key']} if options.get('routing_key') else {}
             result = action.apply_async(
-                kwargs=dict(course_id=unicode(course_key), with_storage=options.get('with_storage')),
+                kwargs=dict(course_id=six.text_type(course_key), with_storage=options.get('with_storage')),
                 **task_options
             )
             log.info(u'BlockStructure: ENQUEUED generating for course: %s, task_id: %s.', course_key, result.id)

openedx/core/djangoapps/content/block_structure/management/commands/tests/test_generate_course_blocks.py

 """
 Tests for generate_course_blocks management command.
 """
+from __future__ import absolute_import
+
 import ddt
 from django.core.management.base import CommandError
 import itertools
+import six
+from six.moves import range
 from mock import patch
 
 from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase
@@ -82,13 +86,13 @@ class TestGenerateCourseBlocks(ModuleStoreTestCase):
 
     def test_one_course(self):
         self._assert_courses_not_in_block_cache(*self.course_keys)
-        self.command.handle(courses=[unicode(self.course_keys[0])])
+        self.command.handle(courses=[six.text_type(self.course_keys[0])])
         self._assert_courses_in_block_cache(self.course_keys[0])
         self._assert_courses_not_in_block_cache(*self.course_keys[1:])
         self._assert_courses_not_in_block_storage(*self.course_keys)
 
     def test_with_storage(self):
-        self.command.handle(with_storage=True, courses=[unicode(self.course_keys[0])])
+        self.command.handle(with_storage=True, courses=[six.text_type(self.course_keys[0])])
         self._assert_courses_in_block_cache(self.course_keys[0])
         self._assert_courses_in_block_storage(self.course_keys[0])
         self._assert_courses_not_in_block_storage(*self.course_keys[1:])

openedx/core/djangoapps/content/block_structure/migrations/0001_config.py

 # -*- coding: utf-8 -*-
-from __future__ import unicode_literals
+from __future__ import absolute_import, unicode_literals
 
 from django.db import migrations, models
 import django.db.models.deletion

openedx/core/djangoapps/content/block_structure/migrations/0002_blockstructuremodel.py

 # -*- coding: utf-8 -*-
-from __future__ import unicode_literals
+from __future__ import absolute_import, unicode_literals
 
 from django.db import migrations, models
 import django.utils.timezone

openedx/core/djangoapps/content/block_structure/migrations/0003_blockstructuremodel_storage.py

 # -*- coding: utf-8 -*-
-from __future__ import unicode_literals
+from __future__ import absolute_import, unicode_literals
 
 from django.db import migrations, models
 import openedx.core.djangoapps.content.block_structure.models

openedx/core/djangoapps/content/block_structure/migrations/0004_blockstructuremodel_usagekeywithrun.py

 # -*- coding: utf-8 -*-
-from __future__ import unicode_literals
+from __future__ import absolute_import, unicode_literals
 
 from django.db import migrations, models
 import openedx.core.djangoapps.xmodule_django.models