refactor: add typing for workflow record function

src/ansys/dpf/core/workflow.py

@@ -29,7 +29,7 @@
 import os
 from pathlib import Path
 import traceback
-from typing import Union
+from typing import TypedDict, Union
 import warnings
 
 import numpy
@@ -41,6 +41,7 @@
     server_meet_version_and_raise,
     version_requires,
 )
+from ansys.dpf.core.server_types import AnyServerType
 from ansys.dpf.gate import (
     data_processing_capi,
     data_processing_grpcapi,
@@ -56,6 +57,13 @@
 LOG.setLevel("DEBUG")
 
 
+class WorkflowInfo(TypedDict):
+    """Names of the workflow's operators, inputs and outputs."""
+    operator_names: list[str]
+    input_names: list[str]
+    output_names: list[str]
+
+
 class Workflow:
     """Represents a workflow.
 
@@ -624,17 +632,19 @@ def record(self, identifier="", transfer_ownership=True):
         return self._api.work_flow_record_instance(self, identifier, transfer_ownership)
 
     @staticmethod
-    def get_recorded_workflow(id, server=None):
+    def get_recorded_workflow(id: int, server: AnyServerType | None = None) -> Workflow:
         """Retrieve a workflow registered (with workflow.record()).
 
         Parameters
         ----------
-        id : int
+        id:
             ID given by the method "record".
+        server:
+            Server from which to get the recorded workflow.
 
         Returns
         -------
-        workflow : core.Workflow()
+        workflow:
             workflow registered in dpf's registry (server side)
 
         Examples
@@ -659,22 +669,22 @@ def get_recorded_workflow(id, server=None):
         return wf
 
     @property
-    def info(self):
+    def info(self) -> WorkflowInfo:
         """Dictionary with the operator names and the exposed input and output names.
 
         Returns
         -------
-        info : dictionarry str->list str
-            Dictionary with ``"operator_names"``, ``"input_names"``, and ``"output_names"`` key.
+        info:
+            Dictionary with ``"operator_names"``, ``"input_names"``, and ``"output_names"`` keys.
         """
-        return {
-            "operator_names": self.operator_names,
-            "input_names": self.input_names,
-            "output_names": self.output_names,
-        }
+        return WorkflowInfo(
+            operator_names=self.operator_names,
+            input_names=self.input_names,
+            output_names=self.output_names
+        )
 
     @property
-    def operator_names(self):
+    def operator_names(self) -> list[str]:
         """List of the names of operators added in the workflow.
 
         Returns
@@ -688,7 +698,7 @@ def operator_names(self):
         return out
 
     @property
-    def input_names(self):
+    def input_names(self) -> list[str]:
         """List of the input names exposed in the workflow with set_input_name.
 
         Returns
@@ -702,7 +712,7 @@ def input_names(self):
         return out
 
     @property
-    def output_names(self):
+    def output_names(self) -> list[str]:
         """List of the output names exposed in the workflow with set_output_name.
 
         Returns