maint: modifying files to conform with "PTH" ruff rule

.ci/build_wheel.py

@@ -3,6 +3,7 @@
 
 import argparse
 import subprocess
+from pathlib import Path
 import os
 import sys
 import shutil
@@ -39,15 +40,13 @@
     print("Created temporary directory: ", tmpdirname)
 
     # Create the temporary build-opts.cfg
-    build_opts_path = os.path.join(tmpdirname, "build-opts.cfg")
-    with open(build_opts_path, "w") as build_opts_file:
-        build_opts_file.write(f"[bdist_wheel]\nplat-name={requested_platform}")
-    os.environ["DIST_EXTRA_CONFIG"] = build_opts_path
+    build_opts_path = Path(tmpdirname) / "build-opts.cfg"
+
+    build_opts_path.write_text(f"[bdist_wheel]\nplat-name={requested_platform}", encoding="utf-8")
+    os.environ["DIST_EXTRA_CONFIG"] = str(build_opts_path)
 
     # Move the binaries
-    gatebin_folder_path = os.path.join(
-        os.path.curdir, os.path.join("src", "ansys", "dpf", "gatebin")
-    )
+    gatebin_folder_path = Path.cwd() / "src" / "ansys" / "dpf" / "gatebin"
     binaries_to_move = []
     moved = []
     if "win" in requested_platform or "any" == requested_platform:
@@ -60,15 +59,15 @@
         binaries_to_move.extend(["_version.py"])
 
     for binary_name in binaries_to_move:
-        src = os.path.join(gatebin_folder_path, binary_name)
-        dst = os.path.join(tmpdirname, binary_name)
+        src = gatebin_folder_path / binary_name
+        dst = Path(tmpdirname) / binary_name
         print(f"Moving {src} to {dst}")
         shutil.move(src=src, dst=dst)
         moved.append([dst, src])
 
     if "any" == requested_platform:
         # Also remove the gatebin folder
-        os.rmdir(gatebin_folder_path)
+        gatebin_folder_path.rmdir()
 
     # Call the build
     if not args.wheelhouse:
@@ -83,7 +82,7 @@
 
     if "any" == requested_platform:
         # Recreate the gatebin folder
-        os.mkdir(gatebin_folder_path)
+        gatebin_folder_path.mkdir()
 
     # Move binaries back
     for move_back in moved:

.ci/code_generation.py

@@ -8,21 +8,21 @@
 import shutil
 
 
-local_dir = os.path.dirname(os.path.abspath(__file__))
-TARGET_PATH = os.path.join(local_dir, os.pardir, "src", "ansys", "dpf", "core", "operators")
-files = glob.glob(os.path.join(TARGET_PATH, "*"))
-for f in files:
-    if Path(f).stem == "specification":
+local_dir = Path(__file__).parent
+TARGET_PATH = local_dir.parent / "src" / "ansys" / "dpf" / "core" / "operators"
+files = TARGET_PATH.glob("*")
+for file_path in files:
+    if file_path.stem == "specification":
         continue
-    if Path(f).name == "build.py":
+    if file_path.name == "build.py":
         continue
-    if Path(f).name == "operator.mustache":
+    if file_path.name == "operator.mustache":
         continue
     try:
-        if os.path.isdir(f):
-            shutil.rmtree(f)
+        if file_path.is_dir():
+            shutil.rmtree(file_path)
         else:
-            os.remove(f)
+            file_path.unlink()
     except:
         pass
 

.ci/run_examples.py

@@ -1,6 +1,6 @@
 import os
 import glob
-import pathlib
+from pathlib import Path
 import subprocess
 import sys
 
@@ -11,22 +11,23 @@
 os.environ["PYVISTA_OFF_SCREEN"] = "true"
 os.environ["MPLBACKEND"] = "Agg"
 
-actual_path = pathlib.Path(__file__).parent.absolute()
-print(os.path.join(actual_path, os.path.pardir, "examples"))
+actual_path = Path(__file__).parent.absolute()
+examples_path = actual_path.parent / "examples"
+print(examples_path)
 
 # Get the DPF server version
 server = dpf.server.get_or_create_server(None)
 server_version = server.version
 server.shutdown()
 print(f"Server version: {server_version}")
 
-for root, subdirectories, files in os.walk(os.path.join(actual_path, os.path.pardir, "examples")):
+for root, subdirectories, files in os.walk(examples_path):
     for subdirectory in subdirectories:
-        subdir = os.path.join(root, subdirectory)
-        for file in glob.iglob(os.path.join(subdir, "*.py")):
-            if sys.platform == "linux" and "08-python-operators" in file:
+        subdir = Path(root) / subdirectory
+        for file in subdir.glob("*.py"):
+            if sys.platform == "linux" and "08-python-operators" in str(file):
                 continue
-            elif "win" in sys.platform and "06-distributed_stress_averaging" in file:
+            elif "win" in sys.platform and "06-distributed_stress_averaging" in str(file):
                 # Currently very unstable in the GH CI
                 continue
             print("\n--------------------------------------------------")
@@ -36,7 +37,7 @@
                 print(f"Example skipped as it requires DPF {minimum_version_str}.", flush=True)
                 continue
             try:
-                out = subprocess.check_output([sys.executable, file])
+                out = subprocess.check_output([sys.executable, str(file)])
             except subprocess.CalledProcessError as e:
                 sys.stderr.write(str(e.args))
                 if e.returncode != 3221225477:

.ci/run_non_regression_examples.py

@@ -9,49 +9,30 @@
 os.environ["MPLBACKEND"] = "Agg"
 
 actual_path = pathlib.Path(__file__).parent.absolute()
-print(os.path.join(actual_path, os.path.pardir, "examples"))
+examples_path = actual_path.parent / "examples"
+print(examples_path)
 
 
 list_tests = [
-    os.path.join(actual_path, os.path.pardir, "examples", "00-basic"),
-    os.path.join(actual_path, os.path.pardir, "examples", "01-transient_analyses"),
-    os.path.join(actual_path, os.path.pardir, "examples", "02-modal_analyses"),
-    os.path.join(actual_path, os.path.pardir, "examples", "03-harmonic_analyses"),
-    os.path.join(actual_path, os.path.pardir, "examples", "06-plotting", "00-basic_plotting.py"),
-    os.path.join(
-        actual_path,
-        os.path.pardir,
-        "examples",
-        "06-plotting",
-        "05-plot_on_warped_mesh.py",
-    ),
-    os.path.join(
-        actual_path,
-        os.path.pardir,
-        "examples",
-        "07-distributed-post",
-        "00-distributed_total_disp.py",
-    ),
+    examples_path / "00-basic",
+    examples_path / "01-transient_analyses",
+    examples_path / "02-modal_analyses",
+    examples_path / "03-harmonic_analyses",
+    examples_path / "06-plotting" / "00-basic_plotting.py",
+    examples_path / "06-plotting" / "05-plot_on_warped_mesh.py",
+    examples_path / "07-distributed-post" / "00-distributed_total_disp.py",
 ]
 
 if core.SERVER_CONFIGURATION != core.AvailableServerConfigs.InProcessServer:
-    list_tests.append(
-        os.path.join(
-            actual_path,
-            os.path.pardir,
-            "examples",
-            "08-python-operators",
-            "00-wrapping_numpy_capabilities.py",
-        )
-    )
+    list_tests.append(examples_path / "08-python-operators" / "00-wrapping_numpy_capabilities.py")
 
 for path in list_tests:
-    if os.path.isdir(path):
-        for file in glob.iglob(os.path.join(path, "*.py")):
+    if path.is_dir():
+        for file in path.glob("*.py"):
             print("\n--------------------------------------------------")
             print(file)
             try:
-                subprocess.check_call([sys.executable, file])
+                subprocess.check_call([sys.executable, str(file)])
             except subprocess.CalledProcessError as e:
                 sys.stderr.write(str(e.args))
                 if e.returncode != 3221225477:
@@ -61,7 +42,7 @@
         print("\n--------------------------------------------------")
         print(path)
         try:
-            subprocess.check_call([sys.executable, file])
+            subprocess.check_call([sys.executable, str(file)])
         except subprocess.CalledProcessError as e:
             sys.stderr.write(str(e.args))
             if e.returncode != 3221225477:

.ci/update_dpf_dependencies.py

@@ -15,29 +15,29 @@
 
 import os
 import glob
-import pathlib
+from pathlib import Path
 import platform
 import shutil
 import zipfile
 
 
 grpc_path_key = "DPFDV_ROOT"
 gate_path_key = "ANSYSDPFPYGATE_ROOT"
-core_path = pathlib.Path(__file__).parent.parent.resolve()
+core_path = Path(__file__).parent.parent
 if "ANSYSDPFCORE_ROOT" in os.environ:
     core_path = os.environ["ANSYSDPFCORE_ROOT"]
 
 grpc_path = os.getenv(grpc_path_key, None)
 gate_path = os.getenv(gate_path_key, None)
 
-if grpc_path is not None:
+if grpc_path:
     # Update ansys-grpc-dpf with latest in proto/dist
     print("Updating ansys.grpc.dpf")
-    dist_path = os.path.join(grpc_path, "proto", "dist", "*")
+    dist_path = Path(grpc_path) / "proto" / "dist"
     print(f"from {dist_path}")
-    destination = os.path.join(core_path, "src")
+    destination = Path(core_path) / "src"
     print(f"into {destination}")
-    latest_wheel = max(glob.glob(dist_path), key=os.path.getctime)
+    latest_wheel = max(dist_path.glob("*"), key=os.path.getctime)
     with zipfile.ZipFile(latest_wheel, "r") as wheel:
         for file in wheel.namelist():
             # print(file)
@@ -50,40 +50,34 @@
 else:
     print(f"{grpc_path_key} environment variable is not defined. " "Cannot update ansys-grpc-dpf.")
 
-if gate_path is not None:
+if gate_path:
     # Update ansys-dpf-gate
     print("Updating ansys.dpf.gate generated code")
-    dist_path = os.path.join(gate_path, "ansys-dpf-gate", "ansys", "dpf", "gate", "generated")
+    dist_path = Path(gate_path) / "ansys-dpf-gate" / "ansys" / "dpf" / "gate" / "generated"
     print(f"from {dist_path}")
-    destination = os.path.join(core_path, "src", "ansys", "dpf", "gate", "generated")
+    destination = Path(core_path) / "src" / "ansys" / "dpf" / "gate" / "generated"
     print(f"into {destination}")
     shutil.copytree(
         src=dist_path,
         dst=destination,
         dirs_exist_ok=True,
-        ignore=lambda directory, contents: ["__pycache__"] if directory[-5:] == "gate" else [],
+        ignore=lambda directory, contents: ["__pycache__"] if str(directory)[-5:] == "gate" else [],
     )
-    dist_path = os.path.join(gate_path, "ansys-dpf-gate", "ansys", "dpf", "gate", "__init__.py")
+
+    dist_path = Path(gate_path) / "ansys-dpf-gate" / "ansys" / "dpf" / "gate" / "__init__.py"
     print(f"from {dist_path}")
-    destination = os.path.join(core_path, "src", "ansys", "dpf", "gate", "__init__.py")
+    destination = Path(core_path) / "src" / "ansys" / "dpf" / "gate" / "__init__.py"
     print(f"into {destination}")
-    shutil.copy(
-        src=dist_path,
-        dst=destination,
-    )
+    shutil.copy(src=dist_path, dst=destination)
     print("Done updating ansys.dpf.gate generated code")
 
     # Update ansys-dpf-gatebin
     print("Updating ansys.dpf.gatebin")
-    dist_path = os.path.join(gate_path, "ansys-dpf-gatebin", "ansys")
+    dist_path = Path(gate_path) / "ansys-dpf-gatebin" / "ansys"
     print(f"from {dist_path}")
-    destination = os.path.join(core_path, "src", "ansys")
+    destination = Path(core_path) / "src" / "ansys"
     print(f"into {destination}")
-    shutil.copytree(
-        src=dist_path,
-        dst=destination,
-        dirs_exist_ok=True,
-    )
+    shutil.copytree(src=dist_path, dst=destination, dirs_exist_ok=True)
     print(f"Done updating ansys.dpf.gatebin for {platform.system()}")
 else:
     print(

examples/05-file-IO/00-hdf5_double_float_comparison.py

@@ -36,7 +36,7 @@
 # Import the ``dpf-core`` module and its examples files, and then create a
 # temporary directory.
 
-import os
+from pathlib import Path
 
 from ansys.dpf import core as dpf
 from ansys.dpf.core import examples
@@ -78,8 +78,8 @@
 # Define a temporary folder for outputs
 tmpdir = dpf.core.make_tmp_dir_server(dpf.SERVER)
 files = [
-    dpf.path_utilities.join(tmpdir, "dpf_float.h5"),
-    dpf.path_utilities.join(tmpdir, "dpf_double.h5"),
+    Path(dpf.path_utilities.join(tmpdir, "dpf_float.h5")),
+    Path(dpf.path_utilities.join(tmpdir, "dpf_double.h5")),
 ]
 ###############################################################################
 # Export with simple precision.
@@ -98,8 +98,8 @@
 # Download the resulting .h5 files if necessary
 
 if not dpf.SERVER.local_server:
-    float_file_path = os.path.join(os.getcwd(), "dpf_float.h5")
-    double_file_path = os.path.join(os.getcwd(), "dpf_double.h5")
+    float_file_path = Path.cwd() / "dpf_float.h5"
+    double_file_path = Path.cwd() / "dpf_double.h5"
     dpf.download_file(files[0], float_file_path)
     dpf.download_file(files[1], double_file_path)
 else:
@@ -109,8 +109,8 @@
 
 ###############################################################################
 # Compare simple precision versus double precision.
-float_precision = os.stat(float_file_path).st_size
-double_precision = os.stat(double_file_path).st_size
+float_precision = float_file_path.stat().st_size
+double_precision = double_file_path.stat().st_size
 print(
     f"size with float precision: {float_precision}\n"
     f"size with double precision: {double_precision}"

examples/05-file-IO/04-basic-load-file.py

@@ -58,16 +58,16 @@
 # ~~~~~~~~~~~~~
 # Export the fields container in the CSV format:
 
-import os
+from pathlib import Path
 
 csv_file_name = "simple_bar_fc.csv"
 # Define an output path for the resulting .csv file
 if not dpf.SERVER.local_server:
     # Define it server-side if using a remote server
     tmp_dir_path = dpf.core.make_tmp_dir_server(dpf.SERVER)
-    server_file_path = dpf.path_utilities.join(tmp_dir_path, csv_file_name)
+    server_file_path = Path(dpf.path_utilities.join(tmp_dir_path, csv_file_name))
 else:
-    server_file_path = os.path.join(os.getcwd(), csv_file_name)
+    server_file_path = Path.cwd() / csv_file_name
 
 # Perform the export to csv on the server side
 export_csv_operator = dpf.operators.serialization.field_to_csv()
@@ -81,7 +81,7 @@
 # Download the file ``simple_bar_fc.csv``:
 
 if not dpf.SERVER.local_server:
-    downloaded_client_file_path = os.path.join(os.getcwd(), "simple_bar_fc_downloaded.csv")
+    downloaded_client_file_path = Path.cwd() / "simple_bar_fc_downloaded.csv"
     dpf.download_file(server_file_path, downloaded_client_file_path)
 else:
     downloaded_client_file_path = server_file_path
@@ -98,7 +98,7 @@
 mesh.plot(server_fc_out)
 
 # Remove file to avoid polluting.
-os.remove(downloaded_client_file_path)
+downloaded_client_file_path.unlink()
 
 ###############################################################################
 # Make operations over the fields container