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To: python-list@python.org
From: Laura Creighton <lac@openend.se>
Subject: Re: Future of Pypy?
In-Reply-To: Message from Dave Farrance <DaveFarrance@OMiTTHiSyahooANDTHiS.co.uk> of "Sun, 22 Feb 2015 19:20:44 +0000." <32akealnfprmj3qha172e40c4cojk6cq56@4ax.com>
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Date: Sun, 22 Feb 2015 22:45:48 +0100
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Good news  -- it seems to be working fine with PyPy.
https://travis-ci.org/hugovk/Pillow/builds

for me, not extensively tested, it just seems to be working.

I have several pypy's floating around here, each within its own
virtualenv.  If you aren't familiar with virtualenv, read all
about it here:
http://www.dabapps.com/blog/introduction-to-pip-and-virtualenv-python/

Note the first question to the blog writer is 'how to get it to work
with pypy'.  Do what he says.  virtualenv -p /path/to/pypy env
but, if you want to use more bleeding edge pypy you will want:

# from a tarball
$ virtualenv -p /opt/pypy-c-jit-41718-3fb486695f20-linux/bin/pypy my-pypy-env

# from the mercurial checkout
$ virtualenv -p /path/to/pypy/pypy/translator/goal/pypy-c my-pypy-env

I've only got bleeding edge PyPys around here, in virtualenvs, but
in all of them

import sys
from PIL import Image

for infile in sys.argv[1:]:
   try:
       with Image.open(infile) as im:
             print(infile, im.format, "%dx%d" % im.size, im.mode)
   except IOError:
             pass

which I pasted right in from
http://pillow.readthedocs.org/en/latest/handbook/tutorial.html

seems to be working just fine for me.  Hardly an exhaustive test,
but ... well, try it and see how it goes for you.

I don't know what time it is where you are, but it is 22:44 here now, and
alas I promised a kivy demo to a client tomorrow morning, and, double
alas, I haven't written it yet.  It shouldn't take more than an hour or
three to write, but I am going to have to stop having pleasant chats
about pypy for a while and get this thing done ... :)

Laura