[FC-0099] chore: migrate to ruff instead of pycodestyle and isort (openedx#108)

Author: mariajgrimaldi

CHANGELOG.rst

@@ -14,7 +14,7 @@ Change Log
 Unreleased
 **********
 
-*
+* Migrate from using pycodestyle and isort to ruff for code quality checks and formatting.
 
 0.6.0 - 2025-10-22
 ******************

Makefile

@@ -58,6 +58,10 @@ upgrade: ## update the requirements/*.txt files with the latest packages satisfy
 quality: ## check coding style with pycodestyle and pylint
 	tox -e quality
 
+format: ## format code with black and isort. Enable ruff to fix E (pycodestyle) and I (isort) issues
+	ruff format openedx_authz tests test_utils manage.py setup.py
+	ruff check --fix openedx_authz tests test_utils manage.py setup.py
+
 pii_check: ## check for PII annotations on all Django models
 	tox -e pii_check
 

openedx_authz/api/data.py

@@ -248,9 +248,7 @@ def get_subclass_by_external_key(mcs, external_key: str) -> Type["ScopeData"]:
         scope_subclass = mcs.scope_registry.get(namespace)
 
         if not scope_subclass:
-            raise ValueError(
-                f"Unknown scope: {namespace} for external_key: {external_key}"
-            )
+            raise ValueError(f"Unknown scope: {namespace} for external_key: {external_key}")
 
         if not scope_subclass.validate_external_key(external_key):
             raise ValueError(f"Invalid external_key format: {external_key}")
@@ -281,9 +279,7 @@ def validate_external_key(mcs, external_key: str) -> bool:
         Returns:
             bool: True if valid, False otherwise.
         """
-        raise NotImplementedError(
-            "Subclasses must implement validate_external_key method."
-        )
+        raise NotImplementedError("Subclasses must implement validate_external_key method.")
 
 
 @define

openedx_authz/api/permissions.py

@@ -43,9 +43,7 @@ def get_all_permissions_in_scope(scope: ScopeData) -> list[PermissionData]:
         list of PermissionData: A list of PermissionData objects associated with the given scope.
     """
     enforcer = AuthzEnforcer.get_enforcer()
-    actions = enforcer.get_filtered_policy(
-        PolicyIndex.SCOPE.value, scope.namespaced_key
-    )
+    actions = enforcer.get_filtered_policy(PolicyIndex.SCOPE.value, scope.namespaced_key)
     return [get_permission_from_policy(action) for action in actions]
 
 
@@ -65,6 +63,4 @@ def is_subject_allowed(
         bool: True if the subject has the specified permission in the scope, False otherwise.
     """
     enforcer = AuthzEnforcer.get_enforcer()
-    return enforcer.enforce(
-        subject.namespaced_key, action.namespaced_key, scope.namespaced_key
-    )
+    return enforcer.enforce(subject.namespaced_key, action.namespaced_key, scope.namespaced_key)

openedx_authz/api/roles.py

@@ -78,9 +78,7 @@ def get_permissions_for_roles(
     permissions_by_role = {}
 
     for role in roles:
-        permissions_by_role[role.external_key] = {
-            "permissions": get_permissions_for_single_role(role)
-        }
+        permissions_by_role[role.external_key] = {"permissions": get_permissions_for_single_role(role)}
 
     return permissions_by_role
 
@@ -116,22 +114,15 @@ def get_permissions_for_active_roles_in_scope(
         permissions and scopes.
     """
     enforcer = AuthzEnforcer.get_enforcer()
-    filtered_policy = enforcer.get_filtered_grouping_policy(
-        GroupingPolicyIndex.SCOPE.value, scope.namespaced_key
-    )
+    filtered_policy = enforcer.get_filtered_grouping_policy(GroupingPolicyIndex.SCOPE.value, scope.namespaced_key)
 
     if role:
         filtered_policy = [
-            policy
-            for policy in filtered_policy
-            if policy[GroupingPolicyIndex.ROLE.value] == role.namespaced_key
+            policy for policy in filtered_policy if policy[GroupingPolicyIndex.ROLE.value] == role.namespaced_key
         ]
 
     return get_permissions_for_roles(
-        [
-            RoleData(namespaced_key=policy[GroupingPolicyIndex.ROLE.value])
-            for policy in filtered_policy
-        ]
+        [RoleData(namespaced_key=policy[GroupingPolicyIndex.ROLE.value]) for policy in filtered_policy]
     )
 
 
@@ -148,9 +139,7 @@ def get_role_definitions_in_scope(scope: ScopeData) -> list[RoleData]:
         list[Role]: A list of roles.
     """
     enforcer = AuthzEnforcer.get_enforcer()
-    policy_filtered = enforcer.get_filtered_policy(
-        PolicyIndex.SCOPE.value, scope.namespaced_key
-    )
+    policy_filtered = enforcer.get_filtered_policy(PolicyIndex.SCOPE.value, scope.namespaced_key)
 
     permissions_per_role = defaultdict(
         lambda: {
@@ -162,9 +151,7 @@ def get_role_definitions_in_scope(scope: ScopeData) -> list[RoleData]:
         permissions_per_role[policy[PolicyIndex.ROLE.value]]["scopes"].append(
             ScopeData(namespaced_key=policy[PolicyIndex.SCOPE.value])
         )  # TODO: I don't think this actually gets used anywhere
-        permissions_per_role[policy[PolicyIndex.ROLE.value]]["permissions"].append(
-            get_permission_from_policy(policy)
-        )
+        permissions_per_role[policy[PolicyIndex.ROLE.value]]["permissions"].append(get_permission_from_policy(policy))
 
     return [
         RoleData(
@@ -194,14 +181,10 @@ def get_all_roles_in_scope(scope: ScopeData) -> list[list[str]]:
         list[list[str]]: A list of policies in the specified scope.
     """
     enforcer = AuthzEnforcer.get_enforcer()
-    return enforcer.get_filtered_grouping_policy(
-        GroupingPolicyIndex.SCOPE.value, scope.namespaced_key
-    )
+    return enforcer.get_filtered_grouping_policy(GroupingPolicyIndex.SCOPE.value, scope.namespaced_key)
 
 
-def assign_role_to_subject_in_scope(
-    subject: SubjectData, role: RoleData, scope: ScopeData
-) -> bool:
+def assign_role_to_subject_in_scope(subject: SubjectData, role: RoleData, scope: ScopeData) -> bool:
     """Assign a role to a subject.
 
     Args:
@@ -220,9 +203,7 @@ def assign_role_to_subject_in_scope(
     )
 
 
-def batch_assign_role_to_subjects_in_scope(
-    subjects: list[SubjectData], role: RoleData, scope: ScopeData
-) -> None:
+def batch_assign_role_to_subjects_in_scope(subjects: list[SubjectData], role: RoleData, scope: ScopeData) -> None:
     """Assign a role to a list of subjects.
 
     Args:
@@ -233,9 +214,7 @@ def batch_assign_role_to_subjects_in_scope(
         assign_role_to_subject_in_scope(subject, role, scope)
 
 
-def unassign_role_from_subject_in_scope(
-    subject: SubjectData, role: RoleData, scope: ScopeData
-) -> bool:
+def unassign_role_from_subject_in_scope(subject: SubjectData, role: RoleData, scope: ScopeData) -> bool:
     """Unassign a role from a subject.
 
     Args:
@@ -247,14 +226,10 @@ def unassign_role_from_subject_in_scope(
         bool: True if the role was unassigned successfully, False otherwise.
     """
     enforcer = AuthzEnforcer.get_enforcer()
-    return enforcer.delete_roles_for_user_in_domain(
-        subject.namespaced_key, role.namespaced_key, scope.namespaced_key
-    )
+    return enforcer.delete_roles_for_user_in_domain(subject.namespaced_key, role.namespaced_key, scope.namespaced_key)
 
 
-def batch_unassign_role_from_subjects_in_scope(
-    subjects: list[SubjectData], role: RoleData, scope: ScopeData
-) -> None:
+def batch_unassign_role_from_subjects_in_scope(subjects: list[SubjectData], role: RoleData, scope: ScopeData) -> None:
     """Unassign a role from a list of subjects.
 
     Args:
@@ -277,9 +252,7 @@ def get_subject_role_assignments(subject: SubjectData) -> list[RoleAssignmentDat
     """
     enforcer = AuthzEnforcer.get_enforcer()
     role_assignments = []
-    for policy in enforcer.get_filtered_grouping_policy(
-        GroupingPolicyIndex.SUBJECT.value, subject.namespaced_key
-    ):
+    for policy in enforcer.get_filtered_grouping_policy(GroupingPolicyIndex.SUBJECT.value, subject.namespaced_key):
         role = RoleData(namespaced_key=policy[GroupingPolicyIndex.ROLE.value])
         role.permissions = get_permissions_for_single_role(role)
 
@@ -293,9 +266,7 @@ def get_subject_role_assignments(subject: SubjectData) -> list[RoleAssignmentDat
     return role_assignments
 
 
-def get_subject_role_assignments_in_scope(
-    subject: SubjectData, scope: ScopeData
-) -> list[RoleAssignmentData]:
+def get_subject_role_assignments_in_scope(subject: SubjectData, scope: ScopeData) -> list[RoleAssignmentData]:
     """Get the roles for a subject in a specific scope.
 
     Args:
@@ -308,9 +279,7 @@ def get_subject_role_assignments_in_scope(
     enforcer = AuthzEnforcer.get_enforcer()
     # TODO: we still need to get the remaining data for the role like email, etc
     role_assignments = []
-    for namespaced_key in enforcer.get_roles_for_user_in_domain(
-        subject.namespaced_key, scope.namespaced_key
-    ):
+    for namespaced_key in enforcer.get_roles_for_user_in_domain(subject.namespaced_key, scope.namespaced_key):
         role = RoleData(namespaced_key=namespaced_key)
         role_assignments.append(
             RoleAssignmentData(
@@ -327,9 +296,7 @@ def get_subject_role_assignments_in_scope(
     return role_assignments
 
 
-def get_subject_role_assignments_for_role_in_scope(
-    role: RoleData, scope: ScopeData
-) -> list[RoleAssignmentData]:
+def get_subject_role_assignments_for_role_in_scope(role: RoleData, scope: ScopeData) -> list[RoleAssignmentData]:
     """Get the subjects assigned to a specific role in a specific scope.
 
     Args:
@@ -341,9 +308,7 @@ def get_subject_role_assignments_for_role_in_scope(
     """
     enforcer = AuthzEnforcer.get_enforcer()
     role_assignments = []
-    for subject in enforcer.get_users_for_role_in_domain(
-        role.namespaced_key, scope.namespaced_key
-    ):
+    for subject in enforcer.get_users_for_role_in_domain(role.namespaced_key, scope.namespaced_key):
         if subject.startswith(f"{RoleData.NAMESPACE}{RoleData.SEPARATOR}"):
             # Skip roles that are also subjects
             continue

openedx_authz/engine/adapter.py

@@ -76,7 +76,11 @@ def is_filtered(self) -> bool:
         """
         return True
 
-    def load_filtered_policy(self, model: Model, filter: Filter) -> None:  # pylint: disable=redefined-builtin
+    def load_filtered_policy(
+        self,
+        model: Model,
+        filter: Filter,  # pylint: disable=redefined-builtin
+    ) -> None:
         """
         Load policy rules from storage with filtering applied.
 
@@ -99,7 +103,11 @@ def load_filtered_policy(self, model: Model, filter: Filter) -> None:  # pylint:
         for line in filtered_queryset:
             persist.load_policy_line(str(line), model)
 
-    def filter_query(self, queryset: QuerySet, filter: Filter) -> QuerySet:  # pylint: disable=redefined-builtin
+    def filter_query(
+        self,
+        queryset: QuerySet,
+        filter: Filter,  # pylint: disable=redefined-builtin
+    ) -> QuerySet:
         """
         Apply filter criteria to the policy queryset.
 

openedx_authz/engine/utils.py

@@ -51,31 +51,21 @@ def migrate_policy_between_enforcers(
 
         for grouping_policy_ptype in GROUPING_POLICY_PTYPES:
             try:
-                grouping_policies = source_enforcer.get_named_grouping_policy(
-                    grouping_policy_ptype
-                )
+                grouping_policies = source_enforcer.get_named_grouping_policy(grouping_policy_ptype)
                 for grouping in grouping_policies:
-                    if target_enforcer.has_named_grouping_policy(
-                        grouping_policy_ptype, *grouping
-                    ):
+                    if target_enforcer.has_named_grouping_policy(grouping_policy_ptype, *grouping):
                         logger.info(
                             f"Grouping policy {grouping_policy_ptype}, {grouping} already exists in target, skipping."
                         )
                         continue
-                    target_enforcer.add_named_grouping_policy(
-                        grouping_policy_ptype, *grouping
-                    )
+                    target_enforcer.add_named_grouping_policy(grouping_policy_ptype, *grouping)
 
                     # Ensure latest policies are loaded in the target enforcer after each addition
                     # to avoid duplicates
                     target_enforcer.load_policy()
             except KeyError as e:
-                logger.info(
-                    f"Skipping {grouping_policy_ptype} policies: {e} not found in source enforcer."
-                )
-        logger.info(
-            f"Successfully loaded policies from {source_enforcer.get_model()} into the database."
-        )
+                logger.info(f"Skipping {grouping_policy_ptype} policies: {e} not found in source enforcer.")
+        logger.info(f"Successfully loaded policies from {source_enforcer.get_model()} into the database.")
     except Exception as e:
         logger.error(f"Error loading policies from file: {e}")
         raise

openedx_authz/management/commands/enforcement.py

@@ -78,9 +78,7 @@ def handle(self, *args, **options):
         Raises:
             CommandError: If model or policy files are not found or enforcer creation fails.
         """
-        model_file_path = (
-            self._get_file_path("model.conf") or options["model_file_path"]
-        )
+        model_file_path = self._get_file_path("model.conf") or options["model_file_path"]
         policy_file_path = options["policy_file_path"]
 
         if not os.path.isfile(model_file_path):
@@ -95,9 +93,7 @@ def handle(self, *args, **options):
 
         try:
             enforcer = casbin.Enforcer(model_file_path, policy_file_path)
-            self.stdout.write(
-                self.style.SUCCESS("Casbin enforcer created successfully")
-            )
+            self.stdout.write(self.style.SUCCESS("Casbin enforcer created successfully"))
 
             policies = enforcer.get_policy()
             roles = enforcer.get_grouping_policy()
@@ -160,9 +156,7 @@ def _run_interactive_mode(self, enforcer: casbin.Enforcer) -> None:
                 self.stdout.write(self.style.ERROR("Exiting interactive mode..."))
                 break
 
-    def _test_interactive_request(
-        self, enforcer: casbin.Enforcer, user_input: str
-    ) -> None:
+    def _test_interactive_request(self, enforcer: casbin.Enforcer, user_input: str) -> None:
         """Process and test a single enforcement request from user input.
 
         Parses the input string, validates the format, executes the enforcement
@@ -180,11 +174,7 @@ def _test_interactive_request(
         try:
             parts = [part.strip() for part in user_input.split()]
             if len(parts) != 3:
-                self.stdout.write(
-                    self.style.ERROR(
-                        f"✗ Invalid format. Expected 3 parts, got {len(parts)}"
-                    )
-                )
+                self.stdout.write(self.style.ERROR(f"✗ Invalid format. Expected 3 parts, got {len(parts)}"))
                 self.stdout.write("Format: subject action scope")
                 self.stdout.write("Example: user^alice act^read org^OpenedX")
                 return
@@ -193,13 +183,9 @@ def _test_interactive_request(
             result = enforcer.enforce(subject, action, scope)
 
             if result:
-                self.stdout.write(
-                    self.style.SUCCESS(f"✓ ALLOWED: {subject} {action} {scope}")
-                )
+                self.stdout.write(self.style.SUCCESS(f"✓ ALLOWED: {subject} {action} {scope}"))
             else:
-                self.stdout.write(
-                    self.style.ERROR(f"✗ DENIED: {subject} {action} {scope}")
-                )
+                self.stdout.write(self.style.ERROR(f"✗ DENIED: {subject} {action} {scope}"))
 
         except (ValueError, IndexError, TypeError) as e:
             self.stdout.write(self.style.ERROR(f"✗ Error processing request: {str(e)}"))