INNER CODE UNIT · Python

resolve_path

llm-d/llm-d · scripts/guide.py:269

def resolve_path(guide: Any, path: str) -> tuple[bool, Any, str]:
    """Resolve a dotted/indexed marker path against the parsed YAML.

    Returns ``(found, value, error_message)``. A single resolver replaces the
    two divergent implementations the split scripts carried — one that raised
    ``SystemExit`` and one that returned a tuple.
    """
    cur = guide
    for t in _tokenize_path(path):
        if isinstance(t, int):
            if not isinstance(cur, list):
                return False, None, f"path {path!r}: cannot index into non-list"
            if t >= len(cur):
                return False, None, f"path {path!r}: list index {t} out of range"
            cur = cur[t]
        else:
            if not isinstance(cur, dict) or t not in cur:
                return False, None, f"path {path!r} not found in YAML"

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