normpath.py 文件源码

def _distributeparams(self, params):
        """return a dictionary mapping subpathindices to a tuple of a paramindices and subpathparams

        subpathindex specifies a subpath containing one or several positions.
        paramindex specify the index of the normpathparam in the original list and
        subpathparam is the parameter value in the subpath.
        """

        result = {}
        for i, param in enumerate(params):
            assert param.normpath is self, "normpathparam has to belong to this path"
            result.setdefault(param.normsubpathindex, ([], []))
            result[param.normsubpathindex][0].append(i)
            result[param.normsubpathindex][1].append(param.normsubpathparam)
        return result