workshop rework

Content/Python/ue_workshop/paths.py

@@ -0,0 +1,23 @@
+"""Paths and process helpers shared by UE, Blender launchers and plain Python."""
+import os
+from pathlib import Path
+import re
+import shutil
+
+PROJECT = Path(__file__).resolve().parents[3]
+GENERATED = "/Game/Workshop/Generated"
+
+
+def slug(value):
+    if not re.fullmatch(r"[A-Za-z][A-Za-z0-9_]*", value):
+        raise ValueError("Nazwa musi zaczynac sie litera i zawierac tylko litery ASCII, cyfry lub _.")
+    return value
+
+
+def executable(name, explicit=None):
+    candidate = explicit or os.environ.get("WORKSHOP_" + name.upper()) or shutil.which(name)
+    if candidate and Path(candidate).is_file():
+        return str(Path(candidate).resolve())
+    raise FileNotFoundError(
+        f"Nie znaleziono {name}. Dodaj program do PATH lub ustaw WORKSHOP_{name.upper()} "
+        "na pelna sciezke do pliku wykonywalnego.")