class PreviewProvider( BrowserView ): implements( IPreviewProvider ) def __init__(self, context, request): self.context = context self.request = request self.object = IPreviewable(context) def hasPreview(self): """ """ return self.object.hasPreview() def getPreview(self): """ """ return self.object.getPreview() def updatePreview(self): """ """ self.object.buildAndStorePreview() ## XXX This should NOT be here !! ## but I wanted the feature badly... def updateAllPreviews(self): """ """ pc = self.context.portal_catalog brains = pc(portal_type='File') status="" for brain in brains: status+="<div>"+brain.getPath() try: obj=brain.getObject() IPreviewable(obj).buildAndStorePreview() obj.reindexObject() except Exception, e: status+=" %s %s</div>" % (str(e.__class__.__name__), str(e)) else: status+=" OK</div>\n" return status
class PreviewProvider( BrowserView ): implements( IPreviewProvider ) def __init__(self, context, request): self.context = context self.request = request self.object = IPreviewable(context) def hasPreview(self): u""" """ return self.object.hasPreview() def getPreview(self): u""" """ return self.object.getPreview() def updatePreview(self): u""" """ self.object.buildAndStorePreview() def updatePreviewOnDemand(self): u""" """ self.object.buildAndStorePreview() self.request.response.redirect(self.context.absolute_url()+'/view') ## XXX This should NOT be here !! ## but I wanted the feature badly... def updateAllPreviews(self, updateNewOnly = False): u""" update all objects' preview ; may be usefull if you change a transform """ logger = logging.getLogger('UpdateAllPreviewsLog') pc = self.context.portal_catalog #brains = pc(portal_type='File') brains = pc(object_provides="Products.ARFilePreview.interfaces.IPreviewAware",sort_on='modified',sort_order='reverse') status="" for brain in brains: if updateNewOnly and ( brain.lastFileChange < brain.lastPreviewUpdate ): continue status+="<div>"+brain.getPath() logger.log(logging.INFO, brain.getPath()) try: obj=brain.getObject() IPreviewable(obj).updatePreview() obj.reindexObject() except Exception, e: msg = "%s %s %s" % (brain.getPath(), str(e.__class__.__name__), str(e)) status+= "%s </div>" % msg logger.log(logging.ERROR, msg) else: msg = "%s OK" % (brain.getPath(),) status+= "%s </div>" % msg logger.log(logging.INFO, msg) try: transaction.commit() except Exception, e: msg = "Commit error on object %s : %s %s ; trying abort" % (brain.getPath(), str(e.__class__.__name__), str(e)) logger.log(logging.ERROR, msg) try: transaction.abort() except: msg = "Abort error on object %s : %s %s " % (brain.getPath(), str(e.__class__.__name__), str(e)) logger.log(logging.ERROR, msg) pass