from Products.CMFCore.CatalogTool import CatalogTool as BaseCatalogTool
from Products.CMFCore.CatalogTool import IndexableObjectWrapper
from Products.PageTemplates.PageTemplateFile import PageTemplateFile
-from Products.CMFCore.permissions import ModifyPortalContent
+from Products.CMFCore.permissions import ModifyPortalContent, ManagePortal
from zope.component import queryMultiAdapter
from Products.ZCatalog.Catalog import Catalog
import transaction
from solr import *
+# imports for Catalog class
+from Products.PluginIndexes.interfaces import ILimitedResultIndex
+from Products.ZCatalog.Lazy import LazyMap, LazyCat, LazyValues
+from BTrees.IIBTree import intersection, IISet
+from BTrees.IIBTree import weightedIntersection
+import warnings
+
+_VOLATILE_SOLR_NAME = '_v_solrConnection'
+
class SolrTransactionHook :
''' commit solr couplé sur le commit de la ZODB '''
- def __init__(self, connection) :
- self.connection = connection
+ def __init__(self, context, con) :
+ self.context = context
+ self.con = con
def __call__(self, status) :
if status :
- self.connection.commit()
- self.connection.close()
+ self.con.commit()
+ self.con.close()
else :
- self.connection.close()
+ self.con.close()
+ try :
+ delattr(self.context, _VOLATILE_SOLR_NAME)
+ except AttributeError :
+ pass
class CatalogTool(BaseCatalogTool) :
- meta_type = 'Legivoc Catalog'
+ meta_type = 'Plinn Catalog'
security = ClassSecurityInfo()
manage_options = (BaseCatalogTool.manage_options[:5] +
({'label' : 'Solr', 'action' : 'manage_solr'},) +
BaseCatalogTool.manage_options[5:])
- manage_solr = PageTemplateFile('www/manage_solr', globals())
+ manage_solr = PageTemplateFile('www/manage_solr.pt', globals(), __name__='manage_solr')
+
def __init__(self, idxs=[]) :
super(CatalogTool, self).__init__()
- self._catalog = DelegatedCatalog()
+ self._catalog = DelegatedCatalog(self)
self.solr_url = 'http://localhost:8983/solr'
self.delegatedIndexes = ('Title', 'Description', 'SearchableText')
+ security.declarePublic('getDelegatedIndexes')
+ def getDelegatedIndexes(self) :
+ """ read the method name """
+ return self.delegatedIndexes
+
+ security.declareProtected(ManagePortal, 'setDelegatedIndexes')
+ def setDelegatedIndexes(self, indexes, REQUEST=None) :
+ """setDelegatedIndexes documentation"""
+ self.delegatedIndexes = tuple([i.strip() for i in indexes if i.strip()])
+ if REQUEST :
+ REQUEST.RESPONSE.redirect(self.absolute_url() + '/manage_solr?manage_tabs_message=Saved changes.')
+
+ def _getSolrConnection(self) :
+ if not hasattr(self, _VOLATILE_SOLR_NAME) :
+ con = SolrConnection(self.solr_url)
+ setattr(self, _VOLATILE_SOLR_NAME, con)
+ txn = transaction.get()
+ txn.addAfterCommitHook(SolrTransactionHook(self, con))
+ return getattr(self, _VOLATILE_SOLR_NAME)
+
security.declarePrivate('solrAdd')
def solrAdd(self, object, idxs=[], uid=None) :
if IIndexableObject.providedBy(object):
for name in idxs :
attr = getattr(w, name, '')
data[name] = attr() if callable(attr) else attr
- c = SolrConnection(self.solr_url)
+ c = self._getSolrConnection()
c.add(**data)
- txn = transaction.get()
- txn.addAfterCommitHook(SolrTransactionHook(c))
# PortalCatalog api overloads
"""Remove from catalog.
"""
super(CatalogTool, self).unindexObject(object)
- c = SolrConnection(self.solr_url)
+ c = self._getSolrConnection()
url = self.__url(object)
c.delete(id=url)
- txn = transaction.get()
- txn.addAfterCommitHook(SolrTransactionHook(c))
InitializeClass(CatalogTool)
class DelegatedCatalog(Catalog) :
'''C'est ici qu'on délègue effectivement à Solr '''
+ def __init__(self, zcat, brains=None) :
+ Catalog.__init__(self, brains=brains)
+ self.zcat = zcat
+
+ def delegateSearch(self, query, plan) :
+ '''
+ retours faux :
+ None signifie : pas de délégation, il faut continuer à interroger les autres index.
+ IISet() vide : pas de résultat lors de la délégation, on peut arrêter la recherche.
+ '''
+ indexes = set(query.keys()).intersection(set(self.zcat.delegatedIndexes))
+ if not indexes :
+ return None
+ delegatedQuery = {}
+ for i in indexes :
+ delegatedQuery[i] = query.pop(i)
+ try : plan.remove(i)
+ except ValueError : pass
+ c = SolrConnection(self.zcat.solr_url)
+ q =' AND '.join(['%s:"%s"' % item for item in delegatedQuery.items()])
+ resp = c.query(q, fields='id', rows=len(self))
+ c.close()
+ return IISet(filter(None, [self.uids.get(r['id']) for r in resp.results]))
+
def search(self, query, sort_index=None, reverse=0, limit=None, merge=1):
"""Iterate through the indexes, applying the query to each one. If
merge is true then return a lazy result set (sorted if appropriate)
plan = cr.plan()
if not plan:
plan = self._sorted_search_indexes(query)
+
+ # délégation
+ rs = self.delegateSearch(query, plan)
+ if rs is not None and not rs :
+ return LazyCat([])
indexes = self.indexes.keys()
for i in plan: