Function fromstring

numpy/f2py/symbolic.py:1272–1281

Create an expression from a string. This is a "lazy" parser, that is, only arithmetic operations are resolved, non-arithmetic operations are treated as symbols.

(s, language=Language.C)

def fromstring(s, language=Language.C):
    """Create an expression from a string.

    This is a "lazy" parser, that is, only arithmetic operations are
    resolved, non-arithmetic operations are treated as symbols.
    """
    r = _FromStringWorker(language=language).parse(s)
    if isinstance(r, Expr):
        return r
    raise ValueError(f'failed to parse `{s}` to Expr instance: got `{r}`')


class _Pair: