check for file name length in cache

src/scgenerator/cache.py

@@ -17,6 +17,7 @@ CACHE_DIR = Path(CACHE_DIR)
 ACCEPTED = re.compile(f"[^{string.ascii_letters}{string.digits}" r" \-_()\[\]\*~\.,=\+" "]")
 WHITESPACE = re.compile(r"\s+")
 PRECACHED = {}
+PATH_LEN = 250
 
 Ts = TypeVarTuple("Ts")
 T = TypeVar("T")
@@ -29,7 +30,10 @@ def sort_dict(value: Any) -> dict[str, Any]:
 
 
 def normalize_path(s: str) -> str:
-    return ACCEPTED.sub("_", " ".join(WHITESPACE.split(s))).strip()
+    path = ACCEPTED.sub("_", " ".join(WHITESPACE.split(s))).strip()
+    if len(path) > PATH_LEN:
+        path = hashlib.md5(path.encode()).hexdigest()
+    return path
 
 
 class Cache: