Пример #1
0
 def _random_image(field):
     log.debug("Generating identicon image")
     from identicon import identicon
     name = "dilla_%s.png" % random_slug(field)
     icon = identicon.render_identicon( \
             random.randint(5 ** 5, 10 ** 10), \
             random.randint(64, 250))
     icon.save(os.path.join(destination, name), 'PNG')
     return os.path.join(field.upload_to, name)
Пример #2
0
 def _random_image(field):
     log.debug("Generating identicon image")
     from identicon import identicon
     name = "dilla_%s.png" % random_slug(record, field)
     icon = identicon.render_identicon( \
             random.randint(5 ** 5, 10 ** 10), \
             random.randint(64, 250))
     # using storage
     tmp_file = StringIO()
     icon.save(tmp_file, 'PNG')
     name = field.generate_filename(record.obj, name)
     saved_name = field.storage.save(name, ContentFile(tmp_file.getvalue()))
     return saved_name
Пример #3
0
 def _random_image(field):
     log.debug("Generating identicon image")
     from identicon import identicon
     name = "dilla_%s.png" % random_slug(record, field)
     icon = identicon.render_identicon( \
             random.randint(5 ** 5, 10 ** 10), \
             random.randint(64, 250))
     # using storage
     tmp_file = StringIO()
     icon.save(tmp_file, 'PNG')
     name = field.generate_filename(record.obj, name)
     saved_name = field.storage.save(name, ContentFile(tmp_file.getvalue()))
     return saved_name
Пример #4
0
    def on_get(self, req, resp, email_hash):
        resp.content_type = "image/png"

        #cut possible extensions, we do not support them
        email_hash = email_hash[:32]

        size = 80
        if req.get_param("s"):
            size = int(req.get_param("s"))
        if req.get_param("size"):
            size = int(req.get_param("size"))

        # look for photo in cache
        found, photo = self.get_photo_from_cache(email_hash, size)
        if found:
            #logging.debug("hash %s with size %d found in cache", email_hash, size)
            pass

        else:
            # photo not found in cache, look in db
            found, photo = self.get_photo_from_db(email_hash)
            if found:
                logging.debug("hash %s found in db", email_hash)

                photo = self.resize_and_square(photo, size)

                self.put_photo_in_cache(email_hash, size, photo)

            else:
                # photo not found in db, render identicon
                logging.debug("hash %s NOT found, rendering identicon", email_hash)

                code = abs(hash(email_hash)) % (10 ** 8)
                icon = identicon.render_identicon(code, size)
                icon.thumbnail((size,size))

                b = io.BytesIO()
                icon.save(b, 'PNG')
                photo = b.getvalue()

                self.put_photo_in_cache(email_hash, size, photo)

        resp.status = falcon.HTTP_200
        resp.body = photo