removes dependency on path type defined by user. Adopts based on server type

Author: Rajesh Meena

src/ansys/dpf/core/data_sources.py

@@ -25,7 +25,7 @@
 from __future__ import annotations
 
 import os
-from pathlib import Path, PurePath
+from pathlib import Path, PurePosixPath, PureWindowsPath
 import traceback
 from typing import TYPE_CHECKING, Union
 import warnings
@@ -159,7 +159,7 @@ def set_result_file_path(
         ['...tmp...file.rst']
 
         """
-        filepath = Path(filepath) if not isinstance(filepath, PurePath) else filepath
+        filepath = PurePosixPath(filepath) if self._server.os=='posix' else PureWindowsPath(filepath)
         extension = filepath.suffix
         # Handle .res files from CFX
         if key == "" and extension == ".res":
@@ -290,7 +290,7 @@ def set_domain_result_file_path(
         >>> my_data_sources.set_domain_result_file_path(path='/tmp/file1.rst', key='rst', domain_id=1)
 
         """
-        path = Path(path) if not isinstance(path, PurePath) else path
+        path = PurePosixPath(path) if self._server.os=='posix' else PureWindowsPath(path)
         if key:
             self._api.data_sources_set_domain_result_file_path_with_key_utf8(
                 self, str(path), key, domain_id
@@ -341,7 +341,7 @@ def add_file_path(
         # The filename needs to be a fully qualified file name
         # if not os.path.dirname(filepath)
 
-        filepath = Path(filepath) if not isinstance(filepath, PurePath) else filepath
+        filepath = PurePosixPath(filepath) if self._server.os=='posix' else PureWindowsPath(filepath)
         if not filepath.parent.name:
             # append local path
             filepath = Path.cwd() / filepath.name
@@ -391,7 +391,7 @@ def add_domain_file_path(
 
         """
         # The filename needs to be a fully qualified file name
-        filepath = Path(filepath) if not isinstance(filepath, PurePath) else filepath
+        filepath = PurePosixPath(filepath) if self._server.os=='posix' else PureWindowsPath(filepath)
         if not filepath.parent.name:
             # append local path
             filepath = Path.cwd() / filepath.name
@@ -424,7 +424,7 @@ def add_file_path_for_specified_result(
             The default is ``""``, in which case the key is found directly.
         """
         # The filename needs to be a fully qualified file name
-        filepath = Path(filepath) if not isinstance(filepath, PurePath) else filepath
+        filepath = PurePosixPath(filepath) if self._server.os=='posix' else PureWindowsPath(filepath)
         if not filepath.parent.name:
             # append local path
             filepath = Path.cwd() / filepath.name