[Numpy-discussion] patches to reduce import costs
Kevin Jacobs <jacobs@bioinformed.com>
bioinformed@gmail....
Thu Jul 31 16:14:18 CDT 2008
For the help of freeze packages, it would be great if you could add a file
that lists all of the deferred imports that you run across. That way, we
can add/update recipes more easily for py2app, py2exe, bbfreeze, etc.
Thanks,
-Kevin
On Thu, Jul 31, 2008 at 4:44 PM, Andrew Dalke <dalke@dalkescientific.com>wrote:
> I don't see a place to submit patches. Is there a patch manager for
> numpy?
>
> Here's a patch to defer importing 'tempfile' until needed. I
> previously mentioned one other place that didn't need tempfile. With
> this there is no 'import tempfile' during 'import numpy'
>
> This improves startup by about 7%
>
> --- numpy/lib/_datasource.py (revision 5576)
> +++ numpy/lib/_datasource.py (working copy)
> @@ -35,7 +35,6 @@
> __docformat__ = "restructuredtext en"
>
> import os
> -import tempfile
> from shutil import rmtree
> from urlparse import urlparse
>
> @@ -131,6 +130,7 @@
> self._destpath = os.path.abspath(destpath)
> self._istmpdest = False
> else:
> + import tempfile
> self._destpath = tempfile.mkdtemp()
> self._istmpdest = True
>
>
> Andrew
> dalke@dalkescientific.com
>
>
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>
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