fix: Skip Fluent's automatic transcript by default

src/ansys/fluent/core/__init__.py

@@ -113,8 +113,11 @@ def version_info() -> str:
 # Whether to zip settings API files during codegen
 CODEGEN_ZIP_SETTINGS = os.getenv("PYFLUENT_CODEGEN_ZIP_SETTINGS", False)
 
-# Whether to show mesh after case read
-SHOW_MESH_AFTER_CASE_READ = False
+# Whether to show mesh in Fluent after case read
+FLUENT_SHOW_MESH_AFTER_CASE_READ = False
+
+# Whether to write the automatic transcript in Fluent
+FLUENT_AUTOMATIC_TRANSCRIPT = False
 
 # Whether to interrupt Fluent solver from PyFluent
 SUPPORT_SOLVER_INTERRUPT = False

src/ansys/fluent/core/launcher/fluent_container.py

@@ -313,6 +313,11 @@ def configure_container_dict(
 
     container_dict["fluent_image"] = fluent_image
 
+    if not pyfluent.FLUENT_AUTOMATIC_TRANSCRIPT:
+        if "environment" not in container_dict:
+            container_dict["environment"] = {}
+        container_dict["environment"]["FLUENT_NO_AUTOMATIC_TRANSCRIPT"] = "1"
+
     fluent_commands = ["-gu", f"-sifile={container_server_info_file}"] + args
 
     container_dict_default = {}

src/ansys/fluent/core/launcher/launcher_utils.py

@@ -21,7 +21,7 @@ def is_windows():
 
 
 def _get_subprocess_kwargs_for_fluent(env: Dict[str, Any], argvals) -> Dict[str, Any]:
-    from ansys.fluent.core import CLEAR_FLUENT_PARA_ENVS, INFER_REMOTING_IP
+    import ansys.fluent.core as pyfluent
 
     scheduler_options = argvals.get("scheduler_options")
     is_slurm = scheduler_options and scheduler_options["scheduler"] == "slurm"
@@ -35,16 +35,19 @@ def _get_subprocess_kwargs_for_fluent(env: Dict[str, Any], argvals) -> Dict[str,
     fluent_env = os.environ.copy()
     fluent_env.update({k: str(v) for k, v in env.items()})
     fluent_env["REMOTING_THROW_LAST_TUI_ERROR"] = "1"
-    if CLEAR_FLUENT_PARA_ENVS:
+    if pyfluent.CLEAR_FLUENT_PARA_ENVS:
         del fluent_env["PARA_NPROCS"]
         del fluent_env["PARA_MESH_NPROCS"]
 
     if not is_slurm:
-        if INFER_REMOTING_IP and "REMOTING_SERVER_ADDRESS" not in fluent_env:
+        if pyfluent.INFER_REMOTING_IP and "REMOTING_SERVER_ADDRESS" not in fluent_env:
             remoting_ip = find_remoting_ip()
             if remoting_ip:
                 fluent_env["REMOTING_SERVER_ADDRESS"] = remoting_ip
 
+    if not pyfluent.FLUENT_AUTOMATIC_TRANSCRIPT:
+        fluent_env["FLUENT_NO_AUTOMATIC_TRANSCRIPT"] = "1"
+
     kwargs.update(env=fluent_env)
     return kwargs
 

src/ansys/fluent/core/launcher/process_launch_string.py

@@ -108,7 +108,7 @@ def _generate_launch_string(
     if " " in server_info_file_name:
         server_info_file_name = '"' + server_info_file_name + '"'
     launch_string += f" -sifile={server_info_file_name}"
-    if not pyfluent.SHOW_MESH_AFTER_CASE_READ:
+    if not pyfluent.FLUENT_SHOW_MESH_AFTER_CASE_READ:
         launch_string += " -nm"
     return launch_string
 

tests/test_launcher.py

@@ -1,6 +1,7 @@
 import os
 from pathlib import Path
 import platform
+from tempfile import TemporaryDirectory
 
 import pytest
 
@@ -486,3 +487,15 @@ def test_container_warning_for_mount_source(caplog):
     _ = pyfluent.launch_fluent(container_dict=container_dict)
     assert container_dict["mount_source"] in caplog.text
     assert container_dict["mount_target"] in caplog.text
+
+
+# runs only in container till cwd is supported for container launch
+def test_fluent_automatic_transcript(monkeypatch):
+    with monkeypatch.context() as m:
+        m.setattr(pyfluent, "FLUENT_AUTOMATIC_TRANSCRIPT", True)
+        with TemporaryDirectory(dir=pyfluent.EXAMPLES_PATH) as tmp_dir:
+            with pyfluent.launch_fluent(container_dict=dict(working_dir=tmp_dir)):
+                assert list(Path(tmp_dir).glob("*.trn"))
+    with TemporaryDirectory(dir=pyfluent.EXAMPLES_PATH) as tmp_dir:
+        with pyfluent.launch_fluent(container_dict=dict(working_dir=tmp_dir)):
+            assert not list(Path(tmp_dir).glob("*.trn"))