def _use_iloc()

in core/maxframe/dataframe/indexing/loc.py [0:0]

• 31 lines of code
• 16 McCabe index (conditional complexity)

    def _use_iloc(self, indexes):
        # for RangeIndex from 0, use iloc instead of loc
        index_value = self._obj.index_value.value
        if len(indexes) == 2:
            if not isinstance(indexes[1], slice):
                return False, None
            elif indexes[1] != slice(None):
                return False, None
        if not isinstance(index_value, IndexValue.RangeIndex):
            return False, None
        if index_value.slice.start != 0 and index_value.slice.start is not None:
            return False, None
        if not isinstance(indexes[0], (Integral, slice)):
            return False, None
        if isinstance(indexes[0], Integral):
            if indexes[0] < 0:
                return False, None
        else:
            index0 = indexes[0]
            for v in (index0.start, index0.stop, index0.step):
                if v is None:
                    continue
                if not isinstance(v, Integral):
                    return False, None
                if v < 0:
                    return False, None
            if index0.stop is not None:
                # adjust slice right bound
                return (
                    True,
                    [slice(index0.start, index0.stop + 1, index0.step)] + indexes[1:],
                )
        return True, None