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Custom filename example with sorl-thumbnail

Author:
sajal
Posted:
February 16, 2011
Language:
Python
Version:
1.2
Score:
2 (after 2 ratings)

usage :- put it in python path and refer to it from settings.py

THUMBNAIL_BACKEND = 'full.import.path.to.SEOThumbnailBackend'

Took me a bit to figure it out since i couldn't find an existing example code for it.

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from sorl.thumbnail.base import ThumbnailBackend
from os.path import basename
from django.conf import settings
from sorl.thumbnail.helpers import tokey, serialize

class SEOThumbnailBackend(ThumbnailBackend):
    def _get_thumbnail_filename(self, source, geometry_string, options):
        key = tokey(source.key, geometry_string, serialize(options))
        path = '%s/%s/%s' % (key[:2], key[2:4], key)
        return '%s%s/%s' % (settings.THUMBNAIL_PREFIX, path, basename(source.name))

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