############################################################################## # # Copyright (c) 2005 Zope Corporation and Contributors. All Rights Reserved. # # This software is subject to the provisions of the Zope Public License, # Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution. # THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED # WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED # WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS # FOR A PARTICULAR PURPOSE. # ############################################################################## """Caching policy manager xml adapters and setup handlers. $Id: cachingpolicymgr.py 40087 2005-11-13 19:55:09Z yuppie $ """ from zope.app import zapi from Products.GenericSetup.utils import exportObjects from Products.GenericSetup.utils import importObjects from Products.GenericSetup.interfaces import INode from Products.GenericSetup.utils import NodeAdapterBase from Products.GenericSetup.utils import XMLAdapterBase from Products.CMFCore.interfaces import ICachingPolicy from Products.CMFCore.interfaces import ICachingPolicyManager from Products.CMFCore.utils import getToolByName class CachingPolicyNodeAdapter(NodeAdapterBase): """Node im- and exporter for CachingPolicy. """ __used_for__ = ICachingPolicy def _exportNode(self): """Export the object as a DOM node. """ obj = self.context node = self._doc.createElement('caching-policy') node.setAttribute('name', obj.getPolicyId()) node.setAttribute('predicate', obj.getPredicate()) node.setAttribute('mtime_func', obj.getMTimeFunc()) node.setAttribute('max_age_secs', str(obj.getMaxAgeSecs())) node.setAttribute('no_cache', str(bool(obj.getNoCache()))) node.setAttribute('no_store', str(bool(obj.getNoStore()))) node.setAttribute('must_revalidate', str(bool(obj.getMustRevalidate()))) node.setAttribute('vary', obj.getVary()) node.setAttribute('etag_func', obj.getETagFunc()) s_max_age_secs = obj.getSMaxAgeSecs() if s_max_age_secs is not None: node.setAttribute('s_max_age_secs', str(s_max_age_secs)) node.setAttribute('proxy_revalidate', str(bool(obj.getProxyRevalidate()))) node.setAttribute('public', str(bool(obj.getPublic()))) node.setAttribute('private', str(bool(obj.getPrivate()))) node.setAttribute('no_transform', str(bool(obj.getNoTransform()))) node.setAttribute('enable_304s', str(bool(obj.getEnable304s()))) node.setAttribute('last_modified', str(bool(obj.getLastModified()))) pre_check = obj.getPreCheck() if pre_check is not None: node.setAttribute('pre_check', str(pre_check)) post_check = obj.getPostCheck() if post_check is not None: node.setAttribute('post_check', str(post_check)) return node def _importNode(self, node): """Import the object from the DOM node. """ info = {} policy_id = node.getAttribute('name') if not policy_id: # BBB: for CMF 1.5 profiles policy_id = node.getAttribute('policy_id') info['policy_id'] = str(policy_id) info['predicate'] = str(node.getAttribute('predicate')) info['mtime_func'] = str(node.getAttribute('mtime_func')) info['max_age_secs'] = int(node.getAttribute('max_age_secs')) no_cache = node.getAttribute('no_cache') info['no_cache'] = self._convertToBoolean(no_cache) no_store = node.getAttribute('no_store') info['no_store'] = self._convertToBoolean(no_store) must_revalidate = node.getAttribute('must_revalidate') info['must_revalidate'] = self._convertToBoolean(must_revalidate) info['vary'] = str(node.getAttribute('vary')) info['etag_func'] = str(node.getAttribute('etag_func')) s_max_age_secs = node.getAttribute('s_max_age_secs') if s_max_age_secs != '': info['s_max_age_secs'] = int(s_max_age_secs) proxy_revalidate = node.getAttribute('proxy_revalidate') info['proxy_revalidate'] = self._convertToBoolean(proxy_revalidate) info['public'] = self._convertToBoolean(node.getAttribute('public')) info['private'] = self._convertToBoolean(node.getAttribute('private')) no_transform = node.getAttribute('no_transform') info['no_transform'] = self._convertToBoolean(no_transform) enable_304s = node.getAttribute('enable_304s') info['enable_304s'] = self._convertToBoolean(enable_304s) last_modified = node.getAttribute('last_modified') info['last_modified'] = self._convertToBoolean(last_modified) pre_check = node.getAttribute('pre_check') if pre_check != '': info['pre_check'] = int(pre_check) post_check = node.getAttribute('post_check') if post_check != '': info['post_check'] = int(post_check) self.context.__init__(**info) node = property(_exportNode, _importNode) class CachingPolicyManagerXMLAdapter(XMLAdapterBase): """XML im- and exporter for CachingPolicyManager. """ __used_for__ = ICachingPolicyManager _LOGGER_ID = 'cachingpolicies' name = 'cachingpolicymgr' def _exportNode(self): """Export the object as a DOM node. """ node = self._getObjectNode('object') node.appendChild(self._extractCachingPolicies()) self._logger.info('Caching policy manager exported.') return node def _importNode(self, node): """Import the object from the DOM node. """ if self.environ.shouldPurge(): self._purgeCachingPolicies() self._initCachingPolicies(node) self._logger.info('Caching policy manager imported.') def _extractCachingPolicies(self): fragment = self._doc.createDocumentFragment() for policy_id, policy in self.context.listPolicies(): exporter = zapi.queryMultiAdapter((policy, self.environ), INode) if exporter: fragment.appendChild(exporter.node) return fragment def _purgeCachingPolicies(self): self.context.__init__() def _initCachingPolicies(self, node): for child in node.childNodes: if child.nodeName != 'caching-policy': continue parent = self.context policy_id = str(child.getAttribute('name')) if policy_id not in parent._policy_ids: parent.addPolicy(policy_id, 'python:1', 'object/modified', 0, 0, 0, 0, '', '') policy = self.context._policies[policy_id] importer = zapi.queryMultiAdapter((policy, self.environ), INode) if importer: importer.node = child def importCachingPolicyManager(context): """Import caching policy manager settings from an XML file. """ site = context.getSite() tool = getToolByName(site, 'caching_policy_manager') importObjects(tool, '', context) def exportCachingPolicyManager(context): """Export caching policy manager settings as an XML file. """ site = context.getSite() tool = getToolByName(site, 'caching_policy_manager', None) if tool is None: logger = context.getLogger('cachingpolicies') logger.info('Nothing to export.') return exportObjects(tool, '', context)