Does this apply in any way to the .data attribute in scipy.sparse matrices? I fiddle with that quite often!
On Fri, Jan 22, 2016 at 11:21 AM, Nathaniel Smith <n...@pobox.com> wrote: > So it turns out that ndarray.data supports assignment at the Python > level, and what it does is just assign to the ->data field of the > ndarray object: > > https://github.com/numpy/numpy/blob/master/numpy/core/src/multiarray/getset.c#L325 > > This kind of assignment been deprecated at the C level since 1.7, and > is totally unsafe -- if there are any views pointing to the array when > this happens, then they'll be left pointing off into unallocated > memory. > > E.g.: > > a = np.arange(10) > b = np.linspace(0, 1, 10) > c = a.view() > a.data = b.data > # Now c points into free'd memory > > Can we deprecate or just remove this? > > (Also filed issue: https://github.com/numpy/numpy/issues/7093) > > -n > > -- > Nathaniel J. Smith -- https://vorpus.org > _______________________________________________ > NumPy-Discussion mailing list > NumPy-Discussion@scipy.org > https://mail.scipy.org/mailman/listinfo/numpy-discussion >
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