🐛 fix(playbook): support toml without tomllib

.gitattributes

@@ -39,10 +39,9 @@
 *.cppm  text eol=lf
 *.mpp   text eol=lf
 *.cmake text eol=lf
+*.clangd text eol=lf
 CMakeLists.txt text eol=lf
 CMakePresets.json text eol=lf
-*.clangd text eol=lf
-.clangd text eol=lf
 
 # Binary files (no line-ending conversion).
 *.png   binary

scripts/playbook.py

@@ -5,7 +5,10 @@ from pathlib import Path
 from shutil import copy2, copytree, which
 import subprocess
 
-import tomllib
+try:
+    import tomllib
+except ModuleNotFoundError:  # Python < 3.11
+    tomllib = None
 
 ORDER = ["vendor", "sync_templates", "sync_standards", "install_skills", "format_md"]
 SCRIPT_DIR = Path(__file__).resolve().parent
@@ -16,8 +19,125 @@ def usage() -> str:
     return "Usage:\n  python scripts/playbook.py -config <path>\n  python scripts/playbook.py -h"
 
 
+def strip_inline_comment(value: str) -> str:
+    in_single = False
+    in_double = False
+    escape = False
+    for idx, ch in enumerate(value):
+        if escape:
+            escape = False
+            continue
+        if in_double and ch == "\\":
+            escape = True
+            continue
+        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 ch == "#" and not in_single and not in_double:
+            return value[:idx].rstrip()
+    return value
+
+
+def split_list_items(raw: str) -> list[str]:
+    items: list[str] = []
+    buf: list[str] = []
+    in_single = False
+    in_double = False
+    escape = False
+    for ch in raw:
+        if escape:
+            buf.append(ch)
+            escape = False
+            continue
+        if in_double and ch == "\\":
+            buf.append(ch)
+            escape = True
+            continue
+        if ch == "'" and not in_double:
+            in_single = not in_single
+            buf.append(ch)
+            continue
+        if ch == '"' and not in_single:
+            in_double = not in_double
+            buf.append(ch)
+            continue
+        if ch == "," and not in_single and not in_double:
+            items.append("".join(buf).strip())
+            buf = []
+            continue
+        buf.append(ch)
+    tail = "".join(buf).strip()
+    if tail:
+        items.append(tail)
+    return items
+
+
+def parse_toml_value(raw: str) -> object:
+    value = raw.strip()
+    if not value:
+        return ""
+    if value.startswith("[") and value.endswith("]"):
+        inner = value[1:-1].strip()
+        if not inner:
+            return []
+        return [parse_toml_value(item) for item in split_list_items(inner)]
+    lowered = value.lower()
+    if lowered == "true":
+        return True
+    if lowered == "false":
+        return False
+    if value[0] in ("'", '"') and value[-1] == value[0]:
+        if value[0] == "'":
+            return value[1:-1]
+        import ast
+
+        try:
+            return ast.literal_eval(value)
+        except (ValueError, SyntaxError):
+            return value[1:-1]
+    try:
+        if "." in value:
+            return float(value)
+        return int(value)
+    except ValueError:
+        return value
+
+
+def loads_toml_minimal(raw: str) -> dict:
+    data: dict[str, dict] = {}
+    current = None
+    for line in raw.splitlines():
+        stripped = line.strip()
+        if not stripped or stripped.startswith("#"):
+            continue
+        if stripped.startswith("[") and stripped.endswith("]"):
+            section = stripped[1:-1].strip()
+            if not section:
+                raise ValueError("empty section header")
+            current = data.setdefault(section, {})
+            if not isinstance(current, dict):
+                raise ValueError(f"invalid section: {section}")
+            continue
+        if "=" not in stripped:
+            raise ValueError(f"invalid line: {line}")
+        key, value = stripped.split("=", 1)
+        key = key.strip()
+        if not key:
+            raise ValueError("missing key")
+        value = strip_inline_comment(value.strip())
+        target = current if current is not None else data
+        target[key] = parse_toml_value(value)
+    return data
+
+
 def load_config(path: Path) -> dict:
-    return tomllib.loads(path.read_text(encoding="utf-8"))
+    raw = path.read_text(encoding="utf-8")
+    if tomllib is not None:
+        return tomllib.loads(raw)
+    return loads_toml_minimal(raw)
 
 
 def log(message: str) -> None: