Method copy

pandas/core/internals/blocks.py:640–650

copy constructor

(self, *, deep: bool)

    @final
    def copy(self, *, deep: bool) -> Self:
        """copy constructor"""
        values = self.values
        refs: BlockValuesRefs | None
        if deep:
            values = values.copy()
            refs = None
        else:
            values = values.view()
            refs = self.refs
        return type(self)(values, placement=self._mgr_locs, ndim=self.ndim, refs=refs)

    # ---------------------------------------------------------------------
    # Copy-on-Write Helpers