def indexMap(self): if self._indexMap is None: zipped = zip(*self.labels) self._indexMap = _tseries.map_indices_list(zipped) self._verify_integrity() return self._indexMap
def indexMap(self): if self._indexMap is None: zipped = zip(*self.labels) self._indexMap = lib.map_indices_list(zipped) self._integrity = len(self._indexMap) == len(self) if not self._integrity: raise Exception("Index cannot contain duplicate values!") return self._indexMap