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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def current_length(self):
        # type: () -> int
        '''
        Calculate the current length of this symlink record.

        Parameters:
         None.
        Returns:
         Length of this symlink record.
        '''
        if not self._initialized:
            raise pycdlibexception.PyCdlibInternalError('SL record not yet initialized!')

        strlist = []
        for comp in self.symlink_components:
            strlist.append(comp.name())

        return RRSLRecord.length(strlist)