feat: Change working directory (#3691)

* feat: Change Cortex and Fluent working directories using PyFluent

* chore: adding changelog file 3691.added.md [dependabot-skip]

* feat: Change Cortex and Fluent working directories using PyFluent

* feat: Change Cortex and Fluent working directories using PyFluent

* feat: Change Cortex and Fluent working directories using PyFluent

* feat: Change Cortex and Fluent working directories using PyFluent

* feat: Change Cortex and Fluent working directories using PyFluent

* feat: Change Cortex and Fluent working directories using PyFluent

* chore: adding changelog file 3691.added.md [dependabot-skip]

* feat: Change working directory

* feat: Change working directory

---------

Co-authored-by: pyansys-ci-bot <92810346+pyansys-ci-bot@users.noreply.github.com>

Author: hpohekar

doc/changelog.d/3691.added.md

@@ -0,0 +1 @@
+Change working directory

pyproject.toml

@@ -20,7 +20,7 @@ classifiers = [
     "Operating System :: OS Independent",
 ]
 dependencies = [
-    "ansys-api-fluent>=0.3.34",
+    "ansys-api-fluent>=0.3.35",
     "ansys-platform-instancemanagement~=1.1",
     "ansys-tools-filetransfer>=0.1,<0.3",
     "ansys-units>=0.3.3,<0.5",

src/ansys/fluent/core/services/app_utilities.py

@@ -143,6 +143,12 @@ def exit(
         """Exit RPC of AppUtilities service."""
         return self._stub.Exit(request, metadata=self._metadata)
 
+    def set_working_directory(
+        self, request: AppUtilitiesProtoModule.SetWorkingDirectoryRequest
+    ) -> AppUtilitiesProtoModule.SetWorkingDirectoryResponse:
+        """SetWorkingDirectory RPC of AppUtilities service."""
+        return self._stub.SetWorkingDirectory(request, metadata=self._metadata)
+
 
 class AppUtilitiesOld:
     """AppUtilitiesOld."""
@@ -292,6 +298,10 @@ def exit(self) -> None:
         """Exit."""
         self.scheme_eval.exec(("(exit-server)",))
 
+    def set_working_directory(self, path: str) -> None:
+        """Change client cortex dir."""
+        self.scheme_eval.scheme_eval(f'(syncdir "{path}")')
+
 
 class AppUtilities:
     """AppUtilities."""
@@ -428,3 +438,9 @@ def exit(self) -> None:
         """Exit."""
         request = AppUtilitiesProtoModule.ExitRequest()
         self.service.exit(request)
+
+    def set_working_directory(self, path: str) -> None:
+        """Change client cortex dir."""
+        request = AppUtilitiesProtoModule.SetWorkingDirectoryRequest()
+        request.path = path
+        self.service.set_working_directory(request)

src/ansys/fluent/core/session.py

@@ -427,6 +427,16 @@ def download(self, file_name: str, local_directory: str | None = "."):
         if self._file_transfer_service:
             return self._file_transfer_service.download(file_name, local_directory)
 
+    def chdir(self, path: str) -> None:
+        """Change Fluent working directory.
+
+        Parameters
+        ----------
+        path : str
+            Path of the directory to change.
+        """
+        self._app_utilities.set_working_directory(path)
+
     def __enter__(self):
         return self
 

tests/test_session.py

@@ -595,7 +595,7 @@ def test_general_exception_behaviour_in_session(new_solver_session):
     #     solver.settings.file.read(file_type='case', file_name=mesh_file_2d)
 
 
-@pytest.mark.fluent_version(">=23.2")
+@pytest.mark.fluent_version(">=23.2,<25.2")
 def test_app_utilities_new_and_old(mixing_elbow_settings_session):
     solver = mixing_elbow_settings_session
 
@@ -608,3 +608,15 @@ def test_app_utilities_new_and_old(mixing_elbow_settings_session):
     assert solver._app_utilities.is_wildcard("yes*")
 
     assert not solver._app_utilities.is_solution_data_available()
+
+    tmp_dir = tempfile.mkdtemp(dir=pyfluent.EXAMPLES_PATH)
+
+    solver.chdir(tmp_dir)
+
+    assert Path(
+        solver._app_utilities.get_controller_process_info()["working_directory"]
+    ) == Path(tmp_dir)
+
+    assert Path(
+        solver._app_utilities.get_solver_process_info()["working_directory"]
+    ) == Path(tmp_dir)