parameters.py 文件源码

def get_quantity(entry, default_unit=None):

    """
    This function ...
    :param entry:
    :param default_unit:
    :return:
    """

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

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

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