df

SYS/config.py

@@ -14,13 +14,35 @@ _CONFIG_CACHE: Dict[str, Dict[str, Any]] = {}
 
 
 def _strip_inline_comment(line: str) -> str:
-    # Keep it simple: only strip full-line comments and inline comments that start after whitespace.
-    # Users can always quote values that contain '#' or ';'.
+    # Strip comments in a way that's friendly to common .conf usage:
+    # - Full-line comments starting with '#' or ';'
+    # - Inline comments starting with '#' or ';' *outside quotes*
+    #   (e.g. dtype="float16"  # optional)
     stripped = line.strip()
     if not stripped:
         return ""
     if stripped.startswith("#") or stripped.startswith(";"):
         return ""
+
+    in_single = False
+    in_double = False
+    for i, ch in enumerate(line):
+        if ch == "'" and not in_double:
+            in_single = not in_single
+            continue
+        if ch == '"' and not in_single:
+            in_double = not in_double
+            continue
+        if in_single or in_double:
+            continue
+
+        if ch in {"#", ";"}:
+            # Treat as a comment start only when preceded by whitespace.
+            # This keeps values like paths or tokens containing '#' working
+            # when quoted, and reduces surprises for unquoted values.
+            if i == 0 or line[i - 1].isspace():
+                return line[:i].rstrip()
+
     return line