Pylint fixes to make diff-quality happy

common/lib/xmodule/xmodule/modulestore/django.py

@@ -14,7 +14,6 @@ from django.core.cache import get_cache, InvalidCacheBackendError
 import django.utils
 
 import re
-import threading
 
 from xmodule.util.django import get_current_request_hostname
 import xmodule.modulestore  # pylint: disable=unused-import
@@ -53,13 +52,13 @@ def load_function(path):
 
 
 def create_modulestore_instance(
-    engine,
-    content_store,
-    doc_store_config,
-    options,
-    i18n_service=None,
-    fs_service=None,
-    user_service=None,
+        engine,
+        content_store,
+        doc_store_config,
+        options,
+        i18n_service=None,
+        fs_service=None,
+        user_service=None,
 ):
     """
     This will return a new instance of a modulestore given an engine and options

common/lib/xmodule/xmodule/modulestore/mixed.py

@@ -100,15 +100,15 @@ class MixedModuleStore(ModuleStoreDraftAndPublished, ModuleStoreWriteBase):
     ModuleStore knows how to route requests to the right persistence ms
     """
     def __init__(
-        self,
-        contentstore,
-        mappings,
-        stores,
-        i18n_service=None,
-        fs_service=None,
-        user_service=None,
-        create_modulestore_instance=None,
-        **kwargs
+            self,
+            contentstore,
+            mappings,
+            stores,
+            i18n_service=None,
+            fs_service=None,
+            user_service=None,
+            create_modulestore_instance=None,
+            **kwargs
     ):
         """
         Initialize a MixedModuleStore. Here we look into our passed in kwargs which should be a
@@ -314,7 +314,7 @@ class MixedModuleStore(ModuleStoreDraftAndPublished, ModuleStoreWriteBase):
 
         :param course_key: must be a CourseKey
         """
-        assert(isinstance(course_key, CourseKey))
+        assert isinstance(course_key, CourseKey)
         store = self._get_modulestore_for_courseid(course_key)
         try:
             return store.get_course(course_key, depth=depth, **kwargs)
@@ -351,7 +351,7 @@ class MixedModuleStore(ModuleStoreDraftAndPublished, ModuleStoreWriteBase):
         * ignore_case (bool): If True, do a case insensitive search. If
             False, do a case sensitive search
         """
-        assert(isinstance(course_id, CourseKey))
+        assert isinstance(course_id, CourseKey)
         store = self._get_modulestore_for_courseid(course_id)
         return store.has_course(course_id, ignore_case, **kwargs)
 
@@ -359,7 +359,7 @@ class MixedModuleStore(ModuleStoreDraftAndPublished, ModuleStoreWriteBase):
         """
         See xmodule.modulestore.__init__.ModuleStoreWrite.delete_course
         """
-        assert(isinstance(course_key, CourseKey))
+        assert isinstance(course_key, CourseKey)
         store = self._get_modulestore_for_courseid(course_key)
         return store.delete_course(course_key, user_id)
 

common/lib/xmodule/xmodule/modulestore/mongo/base.py

@@ -282,7 +282,7 @@ class CachingDescriptorSystem(MakoDescriptorSystem, EditInfoRuntimeMixin):
                 # decache any computed pending field settings
                 module.save()
                 return module
-            except:
+            except Exception:                   # pylint: disable=broad-except
                 log.warning("Failed to load descriptor from %s", json_data, exc_info=True)
                 return ErrorDescriptor.from_json(
                     json_data,
@@ -942,7 +942,7 @@ class MongoModuleStore(ModuleStoreDraftAndPublished, ModuleStoreWriteBase, Mongo
         """
         Get the course with the given courseid (org/course/run)
         """
-        assert(isinstance(course_key, CourseKey))
+        assert isinstance(course_key, CourseKey)
         course_key = self.fill_in_run(course_key)
         location = course_key.make_usage_key('course', course_key.run)
         try:
@@ -959,7 +959,7 @@ class MongoModuleStore(ModuleStoreDraftAndPublished, ModuleStoreWriteBase, Mongo
         If ignore_case is True, do a case insensitive search,
         otherwise, do a case sensitive search
         """
-        assert(isinstance(course_key, CourseKey))
+        assert isinstance(course_key, CourseKey)
         if isinstance(course_key, LibraryLocator):
             return None  # Libraries require split mongo
         course_key = self.fill_in_run(course_key)
@@ -1615,7 +1615,7 @@ class MongoModuleStore(ModuleStoreDraftAndPublished, ModuleStoreWriteBase, Mongo
         elif isinstance(course_assets['assets'], list):
             # This record is in the old course assets format.
             # Ensure that no data exists before updating the format.
-            assert(len(course_assets['assets']) == 0)
+            assert len(course_assets['assets']) == 0
             # Update the format to a dict.
             self.asset_collection.update(
                 {'_id': doc_id},

common/lib/xmodule/xmodule/modulestore/tests/utils.py

@@ -28,13 +28,13 @@ def load_function(path):
 
 # pylint: disable=unused-argument
 def create_modulestore_instance(
-    engine,
-    contentstore,
-    doc_store_config,
-    options,
-    i18n_service=None,
-    fs_service=None,
-    user_service=None
+        engine,
+        contentstore,
+        doc_store_config,
+        options,
+        i18n_service=None,
+        fs_service=None,
+        user_service=None
 ):
     """
     This will return a new instance of a modulestore given an engine and options
@@ -77,7 +77,7 @@ class MixedSplitTestCase(TestCase):
     Stripped-down version of ModuleStoreTestCase that can be used without Django
     (i.e. for testing in common/lib/ ). Sets up MixedModuleStore and Split.
     """
-    RENDER_TEMPLATE = lambda t_n, d, ctx = None, nsp = 'main': u'{}: {}, {}'.format(t_n, repr(d), repr(ctx))
+    RENDER_TEMPLATE = lambda t_n, d, ctx=None, nsp='main': u'{}: {}, {}'.format(t_n, repr(d), repr(ctx))
     modulestore_options = {
         'default_class': 'xmodule.raw_module.RawDescriptor',
         'fs_root': DATA_DIR,

common/lib/xmodule/xmodule/modulestore/xml.py

@@ -64,7 +64,8 @@ class ImportSystem(XMLParsingSystem, MakoDescriptorSystem):
         self.unnamed = defaultdict(int)  # category -> num of new url_names for that category
         self.used_names = defaultdict(set)  # category -> set of used url_names
 
-        # cdodge: adding the course_id as passed in for later reference rather than having to recomine the org/course/url_name
+        # Adding the course_id as passed in for later reference rather than
+        # having to recombine the org/course/url_name
         self.course_id = course_id
         self.load_error_modules = load_error_modules
         self.modulestore = xmlstore
@@ -292,8 +293,8 @@ class XMLModuleStore(ModuleStoreReadBase):
     An XML backed ModuleStore
     """
     def __init__(
-        self, data_dir, default_class=None, course_dirs=None, course_ids=None,
-        load_error_modules=True, i18n_service=None, fs_service=None, user_service=None, **kwargs
+            self, data_dir, default_class=None, course_dirs=None, course_ids=None,
+            load_error_modules=True, i18n_service=None, fs_service=None, user_service=None, **kwargs
     ):
         """
         Initialize an XMLModuleStore from data_dir
@@ -304,8 +305,8 @@ class XMLModuleStore(ModuleStoreReadBase):
             default_class (str): dot-separated string defining the default descriptor
                 class to use if none is specified in entry_points
 
-            course_dirs or course_ids (list of str): If specified, the list of course_dirs or course_ids to load. Otherwise,
-                load all courses. Note, providing both
+            course_dirs or course_ids (list of str): If specified, the list of course_dirs or course_ids to load.
+                Otherwise, load all courses. Note, providing both
         """
         super(XMLModuleStore, self).__init__(**kwargs)