[SciPy-User] Pylab - standard packages

Thomas Kluyver takowl@gmail....
Sat Sep 22 07:16:23 CDT 2012


On 22 September 2012 12:31, Ralf Gommers <ralf.gommers@gmail.com> wrote:
> Can you please first explain what the IPython devs think about stability of
> the format? Are there any backward or forward incompatible changes in the
> pipeline?

The format, we should say, is versioned. IPython 0.12 saves in format
version 2, and 0.13 in version 3. I think we have made some *backwards
compatible* changes since then (so notebooks saved with the current
master can be opened in 0.13), and I don't think we have any
incompatible changes being planned. If I've missed some, hopefully
Fernando will correct me. The idea is that any backwards incompatible
change increments the format version.

The versioned format means it should always be forwards compatible -
you can open a notebook saved with any earlier version. In this case,
you get a pop-up alerting you that saving will update the format.

Thanks,
Thomas


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