<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def validate_value(self, string_value):
 """Validate that a value match the Property specs. """

        specs = self.specs
        if 'type' in specs:
            value = specs['type'](string_value)
        else:
            value = string_value
        if 'min' in specs and value < specs['min']:
            raise ValueError
        if 'max' in specs and value > specs['max']:
            raise ValueError
        if 'valid' in specs and value not in specs['valid']:
            raise ValueError
        return value