Function _safe_literal_eval

traitlets/traitlets.py:182–192

Safely evaluate an expression Returns original string if eval fails. Use only where types are ambiguous.

(s: str)

def _safe_literal_eval(s: str) -> t.Any:
    """Safely evaluate an expression

    Returns original string if eval fails.

    Use only where types are ambiguous.
    """
    try:
        return literal_eval(s)
    except (NameError, SyntaxError, ValueError):
        return s


def is_trait(t: t.Any) -> bool: