try using shutil.which

Author: effigies

pdm_build.py

@@ -1,3 +1,4 @@
+import shutil
 import subprocess
 import sysconfig
 
@@ -10,21 +11,22 @@ def pdm_build_initialize(context):
     context.ensure_build_dir()
     target = context.root / "scripts" / "bids-validator-deno"
 
-    try:
-        subprocess.run(
-            [
-                "deno",
-                "compile",
-                "-ERNW",
-                "--allow-run",
-                "-o",
-                str(target),
-                "src/bids-validator.ts",
-            ],
-            check=True,
-        )
-    except FileNotFoundError:
+    deno = shutil.which("deno")
+    if deno is None:
         raise OSError("Deno is not installed or not in PATH")
 
+    subprocess.run(
+        [
+            deno,
+            "compile",
+            "-ERNW",
+            "--allow-run",
+            "-o",
+            str(target),
+            "src/bids-validator.ts",
+        ],
+        check=True,
+    )
+
     platform_tag = sysconfig.get_platform().replace("-", "_").replace(".", "_")
     context.config_settings["--plat-name"] = platform_tag