skifile.py 文件源码

def get_quantity(self, element, name, default_unit=None):

        # Import Astropy here to avoid import errors for this module for users without an Astropy installation
        from astropy.units import Unit

        prop = element.get(name)
        if prop.startswith("[") and prop.endswith("]"): prop = prop[1:-1].split(":")[1]

        splitted = prop.split()
        value = float(splitted[0])
        try: unit = splitted[1]
        except IndexError: unit = default_unit

        # Create a quantity object
        if unit is not None: value = value * Unit(unit)
        return value

    # -----------------------------------------------------------------

    # Overwrite the default implementation in SkiFile to incorporate labeled properties