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from django.db.models.loading import cache
from django.core.management.base import BaseCommand, CommandError
from optparse import make_option
from imagekit.models import ImageModel
from imagekit.specs import ImageSpec
class Command(BaseCommand):
help = ('Clears all ImageKit cached files.')
args = '[apps]'
requires_model_validation = True
can_import_settings = True
def handle(self, *args, **options):
return flush_cache(args, options)
def flush_cache(apps, options):
""" Clears the image cache
"""
apps = [a.strip(',') for a in apps]
if apps:
print 'Flushing cache for %s...' % ', '.join(apps)
else:
print 'Flushing caches...'
for app_label in apps:
app = cache.get_app(app_label)
models = [m for m in cache.get_models(app) if issubclass(m, ImageModel)]
for model in models:
for obj in model.objects.all():
for spec in model._ik.specs:
prop = getattr(obj, spec.name(), None)
if prop is not None:
prop._delete()
if spec.pre_cache:
prop._create()
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