fix: enable pylint warnings (#36196)

cms/djangoapps/contentstore/video_storage_handlers.py

@@ -995,9 +995,9 @@ def get_course_youtube_edx_video_ids(course_id):
             f"InvalidKeyError occurred while getting YouTube video IDs for course_id: {course_id}: {error}"
         )
         return JsonResponse({'error': invalid_key_error_msg}, status=500)
-    except Exception as error:
+    except (TypeError, AttributeError) as error:
         LOGGER.exception(
-            f"Unexpected error occurred while getting YouTube video IDs for course_id: {course_id}: {error}"
+            f"Error occurred while getting YouTube video IDs for course_id: {course_id}: {error}"
         )
         return JsonResponse({'error': unexpected_error_msg}, status=500)
 

common/djangoapps/student/models/user.py

@@ -1028,7 +1028,7 @@ class LoginFailures(models.Model):
             entry = cls._get_record_for_user(user)
             entry.delete()
         except ObjectDoesNotExist:
-            return
+            pass
 
     def __str__(self):
         """Str -> Username: count - date."""

common/djangoapps/student/tests/test_parental_controls.py

@@ -59,7 +59,7 @@ class ProfileParentalControlsTest(TestCase):
         self.set_year_of_birth(current_year - 13)
         assert self.profile.requires_parental_consent()
         assert self.profile.requires_parental_consent(year=current_year)
-        assert not self.profile.requires_parental_consent(year=(current_year + 1))
+        assert not self.profile.requires_parental_consent(year=current_year + 1)
 
         # Verify for a child born 14 years ago
         self.set_year_of_birth(current_year - 14)

common/djangoapps/student/tests/test_views.py

@@ -51,8 +51,8 @@ from xmodule.modulestore.tests.factories import CourseFactory, BlockFactory  # l
 
 TOMORROW = now() + timedelta(days=1)
 ONE_WEEK_AGO = now() - timedelta(weeks=1)
-THREE_YEARS_FROM_NOW = now() + timedelta(days=(365 * 3))
-THREE_YEARS_AGO = now() - timedelta(days=(365 * 3))
+THREE_YEARS_FROM_NOW = now() + timedelta(days=365 * 3)
+THREE_YEARS_AGO = now() - timedelta(days=365 * 3)
 
 # Name of the method to mock for Content Type Gating.
 GATING_METHOD_NAME = 'openedx.features.content_type_gating.models.ContentTypeGatingConfig.enabled_for_enrollment'

common/djangoapps/third_party_auth/api/tests/test_views.py

@@ -60,7 +60,7 @@ class TpaAPITestCase(ThirdPartyAuthTestMixin, APITestCase):
 
         # Create several users and link each user to Google and TestShib
         for username in LINKED_USERS:
-            make_superuser = (username == ADMIN_USERNAME)
+            make_superuser = username == ADMIN_USERNAME
             make_staff = (username == STAFF_USERNAME) or make_superuser
             user = UserFactory.create(
                 username=username,

common/djangoapps/third_party_auth/lti.py

@@ -177,7 +177,7 @@ class LTIAuthBackend(BaseAuth):
 
             # As this must take constant time, do not use shortcutting operators such as 'and'.
             # Instead, use constant time operators such as '&', which is the bitwise and.
-            valid = (lti_consumer_valid)
+            valid = lti_consumer_valid
             valid = valid & (submitted_signature == computed_signature)
             valid = valid & (request.oauth_version == '1.0')
             valid = valid & (request.oauth_signature_method == 'HMAC-SHA1')

lms/djangoapps/bulk_email/models.py

@@ -114,7 +114,7 @@ class Target(models.Model):
         """
         staff_qset = CourseStaffRole(course_id).users_with_role()
         instructor_qset = CourseInstructorRole(course_id).users_with_role()
-        staff_instructor_qset = (staff_qset | instructor_qset)
+        staff_instructor_qset = staff_qset | instructor_qset
         enrollment_query = models.Q(
             is_active=True,
             courseenrollment__course_id=course_id,

lms/djangoapps/course_blocks/transformers/tests/test_visibility.py

@@ -36,7 +36,7 @@ class VisibilityTransformerTestCase(BlockParentsMapTestCase):
     ):
         for idx, _ in enumerate(self.parents_map):
             block = self.get_block(idx)
-            block.visible_to_staff_only = (idx in staff_only_blocks)
+            block.visible_to_staff_only = idx in staff_only_blocks
             update_block(block)
 
         self.assert_transform_results(

lms/djangoapps/course_goals/management/commands/goal_reminder_email.py

@@ -224,8 +224,11 @@ class Command(BaseCommand):
                 'goal_count': total_goals,
             }
         )
-        log.info(f'Processing course goals, total goal count {total_goals},'
-                 + f'timestamp: {datetime.now()}, uuid: {session_id}')
+        log.info('Processing course goals, total goal count {}, timestamp: {}, uuid: {}'.format(
+            total_goals,
+            datetime.now(),
+            session_id
+        ))
         for goal in course_goals:
             # emulate a request for waffle's benefit
             with emulate_http_request(site=Site.objects.get_current(), user=goal.user):
@@ -234,8 +237,13 @@ class Command(BaseCommand):
                 else:
                     filtered_count += 1
             if (sent_count + filtered_count) % 10000 == 0:
-                log.info(f'Processing course goals: sent {sent_count} filtered {filtered_count} out of {total_goals},'
-                         + f'timestamp: {datetime.now()}, uuid: {session_id}')
+                log.info('Processing course goals: sent {} filtered {} out of {}, timestamp: {}, uuid: {}'.format(
+                    sent_count,
+                    filtered_count,
+                    total_goals,
+                    datetime.now(),
+                    session_id
+                ))
 
         tracker.emit(
             'edx.course.goal.email.session_completed',
@@ -247,8 +255,10 @@ class Command(BaseCommand):
                 'emails_filtered': filtered_count,
             }
         )
-        log.info(f'Processing course goals complete: sent {sent_count} emails, filtered out {filtered_count} emails'
-                 + f'timestamp: {datetime.now()}, uuid: {session_id}')
+        log.info('Processing course goals complete: sent {} emails, '
+                 'filtered out {} emails, timestamp: {}, '
+                 'uuid: {}'.format(sent_count, filtered_count, datetime.now(), session_id)
+                 )
 
     @staticmethod
     def handle_goal(goal, today, sunday_date, monday_date, session_id):
@@ -346,5 +356,5 @@ def send_email_using_ses(user, msg):
 
         log.info(f"Goal Reminder Email: email sent using SES with message ID {response['MessageId']}")
         send_ace_message_sent_signal(DjangoEmailChannel, msg)
-    except Exception as e:
+    except Exception as e:  # pylint: disable=broad-exception-caught
         log.error(f"Goal Reminder Email: Error sending email using SES: {e}")

lms/djangoapps/courseware/tests/test_date_summary.py

@@ -617,7 +617,7 @@ class CourseDateSummaryTest(SharedModuleStoreTestCase):
             block = VerificationDeadlineDate(course, user)
             assert block.css_class == 'verification-deadline-passed'
             assert block.title == 'Missed Verification Deadline'
-            assert block.date == (datetime.now(utc) + timedelta(days=(- 1)))
+            assert block.date == (datetime.now(utc) + timedelta(days=- 1))
             assert block.description == "Unfortunately you missed this course's deadline for a successful verification."
             assert block.link_text == 'Learn More'
             assert block.link == ''

lms/djangoapps/discussion/tasks.py

@@ -120,8 +120,6 @@ def send_ace_message(context):  # lint-amnesty, pylint: disable=missing-function
             log.info('Sending forum comment notification with context %s', message_context)
             ace.send(message, limit_to_channels=[ChannelType.PUSH])
             _track_notification_sent(message, context)
-    else:
-        return
 
 
 @shared_task(base=LoggedTask)

openedx/core/djangoapps/credit/models.py

@@ -514,7 +514,6 @@ class CreditRequirementStatus(TimeStampedModel):
                 )
             )
             log.error(log_msg)
-            return
 
     @classmethod
     def retire_user(cls, retirement):

openedx/core/djangoapps/notifications/views.py

@@ -523,7 +523,7 @@ class UpdateAllNotificationPreferencesView(APIView):
                                 'error': f'Invalid path: {app}.notification_types.{notification_type}.{channel}'
                             })
 
-                    except Exception as e:
+                    except (KeyError, AttributeError, ValueError) as e:
                         errors.append({
                             'course_id': str(preference.course_id),
                             'error': str(e)
@@ -551,7 +551,7 @@ class UpdateAllNotificationPreferencesView(APIView):
                     status=status.HTTP_200_OK if updated_courses else status.HTTP_400_BAD_REQUEST
                 )
 
-        except Exception as e:
+        except (KeyError, AttributeError, ValueError) as e:
             return Response({
                 'status': 'error',
                 'message': str(e)

pylintrc

@@ -317,10 +317,7 @@ disable =
 	too-many-positional-arguments,
 	possibly-used-before-assignment,
 	use-dict-literal,
-	useless-return,
-	superfluous-parens,
-	logging-not-lazy,
-	broad-exception-caught,
+	superfluous-parens
 
 [REPORTS]
 output-format = text
@@ -417,4 +414,4 @@ int-import-graph =
 [EXCEPTIONS]
 overgeneral-exceptions = builtins.Exception
 
-# 85c3d025c367597a0a7b23a05fdde9d8c63e1374
+# 5aea7d7fb264005eb373099c856a54cdfa4f311c

pylintrc_tweaks

@@ -36,10 +36,7 @@ disable+ =
     too-many-positional-arguments,
     possibly-used-before-assignment,
     use-dict-literal,
-    useless-return,
-    superfluous-parens,
-    logging-not-lazy,
-    broad-exception-caught,
+    superfluous-parens
 
 [BASIC]
 attr-rgx = [a-z_][a-z0-9_]{2,40}$