[Numpy-discussion] Removing datetime support for 1.4.x series ?
Charles R Harris
charlesr.harris at gmail.com
Fri Feb 12 00:44:12 EST 2010
On Thu, Feb 11, 2010 at 10:28 PM, David Cournapeau <david at silveregg.co.jp>wrote:
> Charles R Harris wrote:
> >
> >
> > On Thu, Feb 11, 2010 at 10:03 PM, David Cournapeau
> > <david at silveregg.co.jp <mailto:david at silveregg.co.jp>> wrote:
> >
> > Charles R Harris wrote:
> > >
> > >
> > > On Thu, Feb 11, 2010 at 8:12 PM, David Cournapeau
> > <david at silveregg.co.jp <mailto:david at silveregg.co.jp>
> > > <mailto:david at silveregg.co.jp <mailto:david at silveregg.co.jp>>>
> wrote:
> > >
> > > Charles R Harris wrote:
> > > >
> > > >
> > > > On Thu, Feb 11, 2010 at 7:00 PM, David Cournapeau
> > > <david at silveregg.co.jp <mailto:david at silveregg.co.jp>
> > <mailto:david at silveregg.co.jp <mailto:david at silveregg.co.jp>>
> > > > <mailto:david at silveregg.co.jp
> > <mailto:david at silveregg.co.jp> <mailto:david at silveregg.co.jp
> > <mailto:david at silveregg.co.jp>>>> wrote:
> > > >
> > > > josef.pktd at gmail.com <mailto:josef.pktd at gmail.com>
> > <mailto:josef.pktd at gmail.com <mailto:josef.pktd at gmail.com>>
> > > <mailto:josef.pktd at gmail.com <mailto:josef.pktd at gmail.com>
> > <mailto:josef.pktd at gmail.com <mailto:josef.pktd at gmail.com>>> wrote:
> > > >
> > > > > scipy is relatively easy to compile, I was thinking
> > also
> > > of h5py,
> > > > > pytables and pymc (b/c of pytables), none of them
> are
> > > importing with
> > > > > numpy 1.4.0 because of the cython issue.
> > > >
> > > > As I said, all of them will have to be regenerated with
> > > cython 0.12.1.
> > > > There is no other solution,
> > > >
> > > >
> > > > Wait, won't the structures be the same size? If they are
> > then the
> > > cython
> > > > check won't fail.
> > >
> > > Yes, but the structures are bigger (even after removing the
> > datetime
> > > stuff, I had the cython warning when I did some tests).
> > >
> > >
> > > That's curious. It sounds like it isn't ABI compatible yet.
> >
> > The Cython problem was that before 0.12.1, it failed importing
> whenever
> > the struct size changed. You can change struct size and keep ABI
> > compatibility (as long as nobody includes the struct in their own
> code),
> >
> >
> > Sure, but I don't recall any additions to structures apart from the
> > datetime stuff and the metadata element.
>
> At least iterator (I needed to add some members to support the
> neighborhood iterator). There may be more changes I am not aware of, but
> a quick look at git di svn/tags/1.3.0..svn/1.4.x numpy/core/include
> suggests no other big changes,
>
>
Well, so it goes. I don't see any reasonable way to fix that. I wonder how
recent the cython size check is?
Chuck
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