add mccabe linter and auto fixes (#302)

Co-authored-by: burnettk <burnettk@users.noreply.github.com>

spiffworkflow-backend/pyproject.toml

@@ -168,6 +168,7 @@ explicit_package_bases = false
 [tool.ruff]
 select = [
   "B",   # flake8-bugbear
+  "C",   # mccabe
   "E",   # pycodestyle error
   # "ERA",  # eradicate
   "F",   # pyflakes
@@ -180,6 +181,7 @@ select = [
 ]
 
 ignore = [
+  "C901",  # "complexity" category
   "PLR",  # "refactoring" category has "too many lines in method" type stuff
   "PLC1901",
   "PLE1205"  # saw this Too many arguments for `logging` format string give a false positive once

spiffworkflow-backend/src/spiffworkflow_backend/routes/tasks_controller.py

@@ -440,7 +440,7 @@ def _interstitial_stream(process_instance: ProcessInstanceModel) -> Generator[st
 
 
 def get_ready_engine_step_count(bpmn_process_instance: BpmnWorkflow) -> int:
-    return len(list([t for t in bpmn_process_instance.get_tasks(TaskState.READY) if not t.task_spec.manual]))
+    return len([t for t in bpmn_process_instance.get_tasks(TaskState.READY) if not t.task_spec.manual])
 
 
 def _dequeued_interstitial_stream(process_instance_id: int) -> Generator[str | None, str | None, None]:

spiffworkflow-backend/src/spiffworkflow_backend/services/process_caller_service.py

@@ -36,4 +36,4 @@ class ProcessCallerService:
             .filter(ProcessCallerCacheModel.process_identifier == process_id)
             .all()
         )
-        return list(set(map(lambda r: r.calling_process_identifier, records)))  # type: ignore
+        return list({r.calling_process_identifier for r in records})

spiffworkflow-backend/src/spiffworkflow_backend/services/process_instance_processor.py

@@ -134,7 +134,7 @@ class BoxedTaskDataBasedScriptEngineEnvironment(BoxedTaskDataEnvironment):  # ty
         return {}
 
     def last_result(self) -> dict[str, Any]:
-        return {k: v for k, v in self._last_result.items()}
+        return dict(self._last_result.items())
 
     def clear_state(self) -> None:
         pass
@@ -212,7 +212,7 @@ class NonTaskDataBasedScriptEngineEnvironment(BasePythonScriptEngineEnvironment)
         return {k: v for k, v in self.state.items() if k not in keys_to_filter and not callable(v)}
 
     def last_result(self) -> dict[str, Any]:
-        return {k: v for k, v in self.state.items()}
+        return dict(self.state.items())
 
     def clear_state(self) -> None:
         self.state = {}

spiffworkflow-backend/src/spiffworkflow_backend/services/process_model_test_runner_service.py

@@ -126,7 +126,7 @@ class ProcessModelTestRunnerMostlyPureSpiffDelegate(ProcessModelTestRunnerDelega
             spiff_task.run()
 
     def get_next_task(self, bpmn_process_instance: BpmnWorkflow) -> SpiffTask | None:
-        ready_tasks = list([t for t in bpmn_process_instance.get_tasks(TaskState.READY)])
+        ready_tasks = list(bpmn_process_instance.get_tasks(TaskState.READY))
         if len(ready_tasks) > 0:
             return ready_tasks[0]
         return None

spiffworkflow-backend/src/spiffworkflow_backend/services/task_service.py

@@ -455,7 +455,7 @@ class TaskService:
     ) -> None:
         """Update given spiff tasks in the database and remove deleted tasks."""
         # Remove all the deleted/pruned tasks from the database.
-        deleted_task_guids = list(map(lambda t: str(t.id), deleted_spiff_tasks))
+        deleted_task_guids = [str(t.id) for t in deleted_spiff_tasks]
         tasks_to_clear = TaskModel.query.filter(TaskModel.guid.in_(deleted_task_guids)).all()  # type: ignore
         human_tasks_to_clear = HumanTaskModel.query.filter(
             HumanTaskModel.task_id.in_(deleted_task_guids)  # type: ignore

spiffworkflow-backend/src/spiffworkflow_backend/services/workflow_execution_service.py

@@ -91,7 +91,7 @@ class ExecutionStrategy:
         self.delegate.save(bpmn_process_instance)
 
     def get_ready_engine_steps(self, bpmn_process_instance: BpmnWorkflow) -> list[SpiffTask]:
-        tasks = list([t for t in bpmn_process_instance.get_tasks(TaskState.READY) if not t.task_spec.manual])
+        tasks = [t for t in bpmn_process_instance.get_tasks(TaskState.READY) if not t.task_spec.manual]
 
         if len(tasks) > 0:
             self.subprocess_spec_loader()

spiffworkflow-backend/src/spiffworkflow_backend/services/workflow_service.py

@@ -15,11 +15,6 @@ class WorkflowService:
     @classmethod
     def next_start_event_configuration(cls, workflow: BpmnWorkflow, now_in_utc: datetime) -> StartConfiguration | None:
         start_events = cls.future_start_events(workflow)
-        configurations = list(
-            map(
-                lambda start_event: start_event.task_spec.configuration(start_event, now_in_utc),  # type: ignore
-                start_events,
-            )
-        )
+        configurations = [start_event.task_spec.configuration(start_event, now_in_utc) for start_event in start_events]
         configurations.sort(key=lambda configuration: configuration[1])  # type: ignore
         return configurations[0] if len(configurations) > 0 else None

spiffworkflow-backend/tests/spiffworkflow_backend/helpers/base_test.py

@@ -51,7 +51,7 @@ class BaseTest:
 
     @staticmethod
     def logged_in_headers(user: UserModel, _redirect_url: str = "http://some/frontend/url") -> dict[str, str]:
-        return dict(Authorization="Bearer " + user.encode_auth_token())
+        return {"Authorization": "Bearer " + user.encode_auth_token()}
 
     def create_group_and_model_with_bpmn(
         self,

spiffworkflow-backend/tests/spiffworkflow_backend/integration/test_process_api.py

@@ -1725,7 +1725,7 @@ class TestProcessApi(BaseTest):
         stream_results = _dequeued_interstitial_stream(process_instance_id)
         results = list(stream_results)
         # strip the "data:" prefix and convert remaining string to dict.
-        json_results = list(map(lambda x: json.loads(x[5:]), results))  # type: ignore
+        json_results = [json.loads(x[5:]) for x in results]  # type: ignore
         # There should be 2 results back -
         # the first script task should not be returned (it contains no end user instructions)
         # The second script task should produce rendered jinja text
@@ -1746,7 +1746,7 @@ class TestProcessApi(BaseTest):
 
         # we should now be on a task that does not belong to the original user, and the interstitial page should know this.
         results = list(_dequeued_interstitial_stream(process_instance_id))
-        json_results = list(map(lambda x: json.loads(x[5:]), results))  # type: ignore
+        json_results = [json.loads(x[5:]) for x in results]  # type: ignore
         assert len(results) == 1
         assert json_results[0]["task"]["state"] == "READY"
         assert json_results[0]["task"]["can_complete"] is False
@@ -1760,7 +1760,7 @@ class TestProcessApi(BaseTest):
         processor.save()
 
         results = list(_dequeued_interstitial_stream(process_instance_id))
-        json_results = list(map(lambda x: json.loads(x[5:]), results))  # type: ignore
+        json_results = [json.loads(x[5:]) for x in results]  # type: ignore
         assert len(results) == 1
         assert json_results[0]["task"]["state"] == "READY"
         assert json_results[0]["task"]["can_complete"] is False
@@ -1777,7 +1777,7 @@ class TestProcessApi(BaseTest):
         list(_dequeued_interstitial_stream(process_instance_id))
         list(_dequeued_interstitial_stream(process_instance_id))
         results = list(_dequeued_interstitial_stream(process_instance_id))
-        json_results = list(map(lambda x: json.loads(x[5:]), results))  # type: ignore
+        json_results = [json.loads(x[5:]) for x in results]  # type: ignore
         assert len(json_results) == 1
         assert json_results[0]["task"]["state"] == "COMPLETED"
         assert json_results[0]["task"]["properties"]["instructionsForEndUser"] == "I am the end task"