reduce os.path and pathlib mixes

install-mpsd-software-environment.py

@@ -74,12 +74,9 @@ def setup_log_cmd(msg=None,*args, **kwargs):
 
 def create_dir_structure(mpsd_release, script_dir):
     # Create the directory structure for the release
-    release_base_dir = os.path.join(script_dir, mpsd_release)
-    if not os.path.exists(release_base_dir):
-        os.makedirs(release_base_dir)
-    else:
-        # Warn that the target directory already exists.
-        print(">Target directory already exists. Continuing...")
+    release_base_dir = script_dir / mpsd_release
+    release_base_dir.mkdir(parents=True, exist_ok=True)
+
     with os_chdir(release_base_dir):
         # Clone the spack-environments repo if it doesn't exist
         if not os.path.exists("spack-environments"):
@@ -98,7 +95,7 @@ def create_dir_structure(mpsd_release, script_dir):
 
 def get_release_info(mpsd_release, script_dir):
     # Get the info for release
-    release_base_dir = os.path.join(script_dir, mpsd_release)
+    release_base_dir = script_dir / mpsd_release
     if not os.path.exists(release_base_dir):
         raise Exception("Release directory does not exist. Run create_dir_structure() first.")
     with os_chdir(release_base_dir):
@@ -136,7 +133,7 @@ def install_environment(
     print(f"Installing release {mpsd_release} with toolchains {toolchains} to {script_dir}")
     
     # Set required variables
-    release_base_dir = Path(os.path.join(script_dir, mpsd_release))
+    release_base_dir = script_dir / mpsd_release
     mpsd_os = os.environ.get("MPSD_OS", "UNKNOWN_OS")
     mpsd_microarch = os.environ.get("MPSD_MICROARCH", "UNKNOWN_MICROARCH")
     toolchain_dir = release_base_dir / mpsd_microarch
@@ -228,7 +225,7 @@ def main():
     args = parser.parse_args()
 
     # target dir is the place where this script exists. the release `dev` in script_dir/dev-23a
-    script_dir = os.path.dirname(os.path.realpath(__file__))
+    script_dir = Path(os.path.dirname(os.path.realpath(__file__)))
 
     # Check the command and run related function
     if args.action == "remove":