json.py 文件源码

def __init__(self, name, value=None, fuzzable=True):
        '''
        :param name: block name
        :type value: bool
        :param value: value to be used, if None - generate both 'true' and 'false' (default: None)
        :param fuzzable: should we fuzz this field (only if value is not None) (default: True)
        '''
        if value is None:
            field = Group(['true', 'false'], name=_valuename(name))
        else:
            if not isinstance(value, types.BooleanType):
                raise ValueError('value should be bool, not %s' % type(value))
            # fix python and json boolean incompitability
            value = 'true' if value else 'false'
            field = String(value, fuzzable=fuzzable, name=_valuename(name))
        super(JsonBoolean, self).__init__(field, name=name)