Function get_unicode_index

lib/matplotlib/_mathtext.py:52–71

r""" Return the integer index (from the Unicode table) of *symbol*. Parameters ---------- symbol : str A single (Unicode) character, a TeX command (e.g. r'\pi') or a Type1 symbol name (e.g. 'phi').

(symbol: str)

def get_unicode_index(symbol: str) -> CharacterCodeType:  # Publicly exported.
    r"""
    Return the integer index (from the Unicode table) of *symbol*.

    Parameters
    ----------
    symbol : str
        A single (Unicode) character, a TeX command (e.g. r'\pi') or a Type1
        symbol name (e.g. 'phi').
    """
    try:  # This will succeed if symbol is a single Unicode char
        return ord(symbol)
    except TypeError:
        pass
    try:  # Is symbol a TeX symbol (i.e. \alpha)
        return tex2uni[symbol.strip("\\")]
    except KeyError as err:
        raise ValueError(
            f"{symbol!r} is not a valid Unicode character or TeX/Type1 symbol"
            ) from err


class VectorParse(NamedTuple):