loops/media/browser/admin.py
helmutm f3776268c9 bug fix: make sure changes are made persistent
git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@3472 fd906abe-77d9-0310-91a1-e0d9ade77398
2009-07-22 08:18:23 +00:00

80 lines
2.7 KiB
Python

#
# Copyright (c) 2008 Helmut Merz helmutm@cy55.de
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
"""
View for regenerating all transformed media assets.
Authors: Johann Schimpf, Erich Seifert.
$Id$
"""
from logging import getLogger
import traceback
from zope import component
from zope.security.proxy import removeSecurityProxy
from cybertools.media.interfaces import IMediaAsset
class RegenerationView(object):
def __call__(self):
conceptType = self.request.get('type')
if not conceptType:
return '*** No type given!'
tMediaAsset = self.context.getLoopsRoot().getConceptManager()[conceptType]
# Remove old transformed versions
#storageDir = assetManager.options.get("storage_parameters")
# Regenerate all media asset transforations
resources = tMediaAsset.getResources()
logger = getLogger('Asset Manager')
errors = 0
for res in resources:
asset = component.queryAdapter(res, IMediaAsset)
if asset != None and res.contentType.startswith('image/'):
logger.info('*** regenerating: ' + res.__name__)
try:
asset.transform()
except:
logger.warn(traceback.format_exc())
errors += 1
if errors:
return 'Done - there were %i errors.' % errors
return 'Done.'
class ChangeSubdirectories(object):
search = '/home/Zope3/ctt'
replace = '/home/33zope/ctt'
def __call__(self):
found = changed = 0
context = removeSecurityProxy(self.context)
ma = context['concepts']['media_asset']
for obj in ma.getResources():
found += 1
sp = obj._storageParams
subdir = sp.get('subdirectory', '')
print subdir
if self.search in subdir:
changed += 1
sp['subdirectory'] = subdir.replace(self.search, self.replace)
obj._storageParams = sp
return 'Done, %i media asset objects found, %i changed' % (found, changed)