Mercurial > public > madeira
diff photologue/management/commands/plcache.py @ 71:e2868ad47a1e
For Django 1.4, using the new manage.py.
author | Brian Neal <bgneal@gmail.com> |
---|---|
date | Sat, 14 Apr 2012 16:40:29 -0500 |
parents | madeira/photologue/management/commands/plcache.py@63e4211628e1 |
children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/photologue/management/commands/plcache.py Sat Apr 14 16:40:29 2012 -0500 @@ -0,0 +1,43 @@ +from django.core.management.base import BaseCommand, CommandError +from optparse import make_option +from photologue.models import PhotoSize, ImageModel + +class Command(BaseCommand): + option_list = BaseCommand.option_list + ( + make_option('--reset', '-r', action='store_true', dest='reset', help='Reset photo cache before generating'), + ) + + help = ('Manages Photologue cache file for the given sizes.') + args = '[sizes]' + + requires_model_validation = True + can_import_settings = True + + def handle(self, *args, **options): + return create_cache(args, options) + +def create_cache(sizes, options): + """ + Creates the cache for the given files + """ + reset = options.get('reset', None) + + size_list = [size.strip(' ,') for size in sizes] + + if len(size_list) < 1: + sizes = PhotoSize.objects.filter(pre_cache=True) + else: + sizes = PhotoSize.objects.filter(name__in=size_list) + + if not len(sizes): + raise CommandError('No photo sizes were found.') + + print 'Caching photos, this may take a while...' + + for cls in ImageModel.__subclasses__(): + for photosize in sizes: + print 'Cacheing %s size images' % photosize.name + for obj in cls.objects.all(): + if reset: + obj.remove_size(photosize) + obj.create_size(photosize)