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Add LazyGeneratedImageCacheFile

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Matthew Tretter 2013-01-28 21:31:38 -05:00
parent a3e9a080d4
commit 5b44564318
1 changed files with 13 additions and 0 deletions
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13
imagekit/files.py
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@ -2,7 +2,9 @@ from django.conf import settings
from django.core.files.base import ContentFile, File
from django.core.files.images import ImageFile
from django.utils.encoding import smart_str, smart_unicode
from django.utils.functional import LazyObject
import os
from .registry import generator_registry
from .signals import before_access
from .utils import (format_to_mimetype, extension_to_mimetype, get_logger,
get_singleton, generate)
@ -158,3 +160,14 @@ class IKContentFile(ContentFile):
def __unicode__(self):
return smart_unicode(self.file.name or u'')
class LazyGeneratedImageCacheFile(LazyObject):
def __init__(self, generator_id, *args, **kwargs):
super(LazyGeneratedImageCacheFile, self).__init__()
def setup():
generator = generator_registry.get(generator_id, *args, **kwargs)
self._wrapped = GeneratedImageCacheFile(generator)
self.__dict__['_setup'] = setup