Comments on: Speedy Django Development

By: Bruce

Bruce — Tue, 27 Feb 2007 17:09:27 +0000

Alright. I have added a few lines since I wrote the blog entry. Here’s the somewhat more developed private method from the class which does that. If you strip the logs and comments, it is 13 lines.


def _create_thumb(self, force):
        log.debug("Thumbnailing (%i x %i) %s", self.x, self.y, self.parent.filename)
        do_create = True

        if files.is_file(self.filename):
            if force:
                log.debug("Forcing removal of existing thumbnail: %s" % self.filename)
                os.remove(self.filename)

            elif files.newest_filename(self.parent.filename, self.filename) == self.parent.filename:
                log.debug("Found existing (older than parent image) thumbnail, removing: %s", self.filename)
                os.remove(self.filename)

            else:
                log.debug("Found existing thumbnail, skipping create: %s", self.filename)
                do_create = False

        if do_create:
            im = Image.open(self.parent.filename)
            im.thumbnail((self.x, self.y), Image.ANTIALIAS)
            im.save(self.filename, "JPEG")
            log.debug("Created thumbnail: %s", self.filename)

By: Alessandro Ronchi

Alessandro Ronchi — Tue, 27 Feb 2007 16:29:38 +0000

Can you out your 7 lines of code to use thumbnails? I have to do the same thing, and it would very useful for me.

If an image is removed, is the thumbnail removed too?

By: Chris Moffitt

Chris Moffitt — Mon, 10 Jul 2006 13:42:59 +0000

It’s great to see you’re working on a Django based store. We have a project called Satchmo that is attempting to build a Django-based framework for use in online stores.

Come check us out here – http://satchmo.python-hosting.com/wiki

We’re in the very early stages and would welcome any help. However, it is amazing how quick and powerful Django is. for instance, I’ve incorporated Nesh’s thumbnails into the store and it is really easy to create thumbnails and automatically cache them. Or, maybe you can use some of the models/code we’ve put together to help make your transition even easier!

Thanks,
Chris