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ZMSZCatalogConnector.py
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ZMSZCatalogConnector.py
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# -*- coding: utf-8 -*-
################################################################################
# ZMSZCatalogConnector.py
#
# 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.
################################################################################
# Imports.
from Products.PageTemplates.PageTemplateFile import PageTemplateFile
from Products.ZCatalog import ZCatalog
import copy
import sys
import time
import urllib
import zExceptions
from zope.interface import implementer
# Product Imports.
import standard
import IZMSCatalogConnector
import ZMSZCatalogAdapter
import ZMSItem
import _globals
extra_column_ids = ['loc','index_html','custom']
# ------------------------------------------------------------------------------
# ZMSZCatalogConnector.umlaut_quote:
# ------------------------------------------------------------------------------
def umlaut_quote(self, v):
if int(self.getConfProperty('ZMSZCatalogConnector.umlaut_quote',0)):
return standard.umlaut_quote(v)
return v
# ------------------------------------------------------------------------------
# ZMSZCatalogConnector.intValue:
# ------------------------------------------------------------------------------
def intValue(v):
try:
i = int(v)
except:
i = 0
return i
# ------------------------------------------------------------------------------
# ZMSZCatalogConnector.Empty:
# ------------------------------------------------------------------------------
class Empty:
pass
# ------------------------------------------------------------------------------
# ZMSZCatalogConnector.addLexicon:
# ------------------------------------------------------------------------------
def addLexicon( container, cat):
# Remove Lexicon
ids = cat.objectIds( ['ZCTextIndex Lexicon','ZCTextIndex Unicode Lexicon'])
if len( ids) > 0:
cat.manage_delObjects( ids)
# Add Lexicon
index_type = container.getConfProperty('ZCatalog.TextIndexType','ZCTextIndex')
if index_type == 'ZCTextIndex':
elements = []
wordSplitter = Empty()
wordSplitter.group = 'Word Splitter'
wordSplitter.name = 'HTML aware splitter'
elements.append(wordSplitter)
caseNormalizer = Empty()
caseNormalizer.group = 'Case Normalizer'
caseNormalizer.name = 'Case Normalizer'
elements.append(caseNormalizer)
stopWords = Empty()
stopWords.group = 'Stop Words'
stopWords.name = 'Remove listed and single char words'
elements.append(stopWords)
try:
cat.manage_addProduct['ZCTextIndex'].manage_addLexicon('Lexicon', 'Default lexicon', elements)
except:
pass
# ------------------------------------------------------------------------------
# ZMSZCatalogConnector.getZCatalog:
# ------------------------------------------------------------------------------
def getZCatalog(self,lang):
cat_id = 'catalog_%s'%lang
root = self.getRootElement()
if root != self and cat_id in self.objectIds():
self.manage_delObjects([cat_id])
zcatalog = getattr(root,cat_id,None)
return zcatalog
# ------------------------------------------------------------------------------
# ZMSZCatalogConnector.writeChangesLog:
# ------------------------------------------------------------------------------
def writeChangesLog(zcatalog,info):
if not zcatalog.hasProperty('changes_log'):
zcatalog.manage_addProperty('changes_log', '', 'text')
changes_log = zcatalog.getProperty('changes_log')
changes_log += '\n' + zcatalog.getLangFmtDate(time.time(),'eng') + ' ' + zcatalog.writeBlock(info)
zcatalog.manage_changeProperties({'changes_log':changes_log})
# ------------------------------------------------------------------------------
# ZMSZCatalogConnector.recreateCatalog:
# ------------------------------------------------------------------------------
def recreateCatalog(self, zcm, lang):
#-- Create catalog
cat_id = 'catalog_%s'%lang
if cat_id in self.objectIds():
self.manage_delObjects([cat_id])
cat_title = 'Default catalog'
zcatalog = ZCatalog.ZCatalog(id=cat_id, title=cat_title, container=self)
self._setObject(zcatalog.id, zcatalog)
zcatalog = getZCatalog(self,lang)
writeChangesLog(zcatalog,'[recreateCatalog]: '+self.getZMILangStr('MSG_INSERTED')%zcatalog.meta_type)
#-- Add lexicon
addLexicon( self, zcatalog)
#-- Add columns
for index_name in ['id','meta_id']+map(lambda x:'zcat_column_%s'%x,extra_column_ids):
zcatalog.manage_addColumn(index_name)
#-- Add Indexes (incl. Columns)
for attr_id in zcm._getAttrIds():
index_name = 'zcat_index_%s'%attr_id
index_type = zcm.getConfProperty('ZCatalog.TextIndexType','ZCTextIndex')
if attr_id == 'home_id':
index_type = 'KeywordIndex'
extra = None
if index_type == 'ZCTextIndex':
extra = Empty()
extra.doc_attr = index_name
extra.index_type = 'Okapi BM25 Rank'
extra.lexicon_id = 'Lexicon'
elif index_type != 'KeywordIndex':
extra = {}
extra['default_encoding'] = 'utf-8'
extra['indexed_fields'] = index_name
extra['fields'] = [index_name]
extra['near_distance'] = 5
extra['splitter_casefolding'] = 1
extra['splitter_max_len'] = 64
extra['splitter_separators'] = '.+-_@'
extra['splitter_single_chars'] = 0
if index_type == 'TextIndexNG2':
extra['use_converters'] = 1
extra['use_normalizer'] = ''
# setattr(index_extra,'use_stemmer','')
extra['use_stopwords'] = ''
elif index_type == 'TextIndexNG3':
extra['languages'] = (lang,)
extra['query_parser'] = 'txng.parsers.en'
extra['index_unknown_languages'] = True
extra['dedicated_storage'] = True
extra['use_stopwords'] = False
extra['use_normalizer'] = False
extra['use_converters'] = True
extra['use_stemmer'] = False
zcatalog.manage_addColumn(index_name)
zcatalog.manage_addIndex(index_name,index_type,extra)
################################################################################
################################################################################
###
### Class
###
################################################################################
################################################################################
@implementer(
IZMSCatalogConnector.IZMSCatalogConnector)
class ZMSZCatalogConnector(
ZMSItem.ZMSItem):
# Properties.
# -----------
meta_type = 'ZMSZCatalogConnector'
icon = "++resource++zms_/img/ZCatalog.png"
icon_clazz = "icon-search"
# Management Interface.
# ---------------------
manage_input_form = PageTemplateFile('zpt/ZMSZCatalogAdapter/manage_zcatalog_connector',globals())
# Management Permissions.
# -----------------------
__administratorPermissions__ = (
'manage_changeProperties', 'manage_main',
)
__ac_permissions__=(
('ZMS Administrator', __administratorPermissions__),
)
############################################################################
# ZMSZCatalogConnector.__init__:
#
# Constructor.
############################################################################
def __init__(self):
self.id = 'zcatalog_connector'
# --------------------------------------------------------------------------
# ZMSZCatalogConnector.search_xml:
# --------------------------------------------------------------------------
def search_xml(self, q, page_index=0, page_size=10, REQUEST=None, RESPONSE=None):
""" ZMSZCatalogConnector.search_xml """
# Check constraints.
page_index = int(page_index)
page_size = int(page_size)
REQUEST.set('lang',REQUEST.get('lang',self.getPrimaryLanguage()))
RESPONSE = REQUEST.RESPONSE
content_type = 'text/xml;charset=utf-8'
RESPONSE.setHeader('Content-Type',content_type)
RESPONSE.setHeader('Cache-Control', 'no-cache')
RESPONSE.setHeader('Pragma', 'no-cache')
RESPONSE.setHeader('Access-Control-Allow-Origin', '*')
# Execute query.
status = 0
msg = ''
results = []
try:
results = self.search(q,REQUEST.get('fq[]',''))
except:
standard.writeError(self,'[search_xml]')
t,v,tb = sys.exc_info()
status = 400
msg = v
# Assemble xml.
xml = self.getXmlHeader()
xml += '<response>'
xml += '<lst name="responseHeader">'
xml += '<int name="status">%i</int>'%status
xml += '<lst name="params">'
for key in REQUEST.form.keys():
xml += '<str name="%s">%s</str>'%(key,standard.html_quote(unicode(REQUEST.form[key],'utf-8')))
xml += '</lst>'
xml += '</lst>'
xmlr = ''
if status <= 0:
xmlr += '<result name="response" numFound="%i" start="%i">'%(len(results),page_index*page_size)
if len(results) > page_size:
results = results[page_index*page_size:(page_index+1)*page_size]
for result in results:
xmlr += '<doc>'
for k in result.keys():
try:
v = result[k]
if k == 'zcat_column_loc':
k = 'loc'
elif k == 'zcat_column_index_html':
k = 'index_html'
elif k == 'zcat_column_custom':
k = 'custom'
elif k == 'standard_html':
v = ZMSZCatalogAdapter.remove_tags(self,v)
xmlr += '<arr name="%s">'%k
if _globals.is_str_type(v):
v = unicode(v,'utf-8')
for x in range(16):
v = v.replace(unichr(x),'')
if k == 'custom':
xmlr += '<str>%s</str>'%v
else:
xmlr += '<str><![CDATA[%s]]></str>'%v
xmlr += '</arr>'
except:
standard.writeError(self,'[search_xml]: result=%s, k=%s'%(str(result),k))
t,v,tb = sys.exc_info()
status = 400
msg = v
break
xmlr += '</doc>'
xmlr += '</result>'
if status > 0:
xmlr = ''
xmlr += '<lst name="error">'
xmlr += '<str name="msg">%s</str>'%standard.html_quote(msg)
xmlr += '<int name="code">%i</int>'%status
xmlr += '</lst>'
xml += unicode(xmlr)
xml += '</response>'
return xml
# --------------------------------------------------------------------------
# ZMSZCatalogConnector.suggest_xml:
# --------------------------------------------------------------------------
def suggest_xml(self, q, fq='', limit=5, REQUEST=None, RESPONSE=None):
""" ZMSZCatalogConnector.suggest_xml """
# Check constraints.
REQUEST.set('lang',REQUEST.get('lang',self.getPrimaryLanguage()))
RESPONSE = REQUEST.RESPONSE
content_type = 'text/xml;charset=utf-8'
RESPONSE.setHeader('Content-Type',content_type)
RESPONSE.setHeader('Cache-Control', 'no-cache')
RESPONSE.setHeader('Pragma', 'no-cache')
# Execute query.
status = 0
msg = ''
results = []
try:
results = self.suggest(q,limit)
except:
standard.writeError(self,'[suggest_xml]')
t,v,tb = sys.exc_info()
status = 400
msg = v
# Assemble xml.
xml = self.getXmlHeader()
xml += '<response>'
xml += '<lst name="responseHeader">'
xml += '<int name="status">%i</int>'%status
xml += '</lst>'
if status > 0:
xml += '<lst name="error">'
xml += '<int name="msg">%s</int>'%msg
xml += '<int name="code">%i</int>'%status
xml += '</lst>'
else:
xml += '<lst>'
xml += '<lst name="suggestions">'
xml += '<int name="numFound">%i</int>'%len(results)
xml += '<arr name="suggestion">'
for result in results:
xml += '<str>%s</str>'%result
xml += '</arr>'
xml += '</lst>'
xml += '</lst>'
xml += '</response>'
return xml
# --------------------------------------------------------------------------
# ZMSZCatalogConnector.search:
# --------------------------------------------------------------------------
def search(self, q, fq='', order=None):
rtn = []
# ZCatalog.
request = self.REQUEST
lang = request.get('lang',self.getPrimaryLanguage())
zcatalog = getZCatalog(self,lang)
# Find search-results.
items = []
prototype = {}
for fqs in fq.split(','):
attr_id = fqs[:fqs.find(':')]
if attr_id.endswith('_s'):
attr_id = attr_id[:-2]
fqk = 'zcat_index_%s'%attr_id
if fqk in zcatalog.indexes():
fqv = fqs[fqs.find(':')+1:]
fqv = umlaut_quote(self,fqv)
prototype[fqk] = fqv
for index in zcatalog.indexes():
if index.find('zcat_index_')==0:
query = copy.deepcopy(prototype)
query[index] = umlaut_quote(self,q)
qr = zcatalog(query)
standard.writeLog( self, "[search]: %s=%i"%(str(query),len(qr)))
for item in qr:
if item not in items:
items.append( item.aq_base )
# Process search-results.
results = []
for item in items:
data_record_id = item.data_record_id_
path = zcatalog.getpath(data_record_id)
# Append to valid results.
if len(filter(lambda x: x[1]['path']==path, results)) == 0:
result = {}
result['path'] = path
result['score'] = intValue(item.data_record_score_)
result['normscore'] = intValue(item.data_record_normalized_score_)
for column in zcatalog.schema():
k = column
if k.find('zcat_index_')==0:
k = k[len('zcat_index_'):]
result[k] = getattr(item,column,None)
results.append((item.data_record_score_,result))
# Sort search-results.
results.sort()
results.reverse()
# Append search-results.
rtn.extend(map(lambda ob: ob[1],results))
# Return list of search-results in correct sort-order.
return rtn
# --------------------------------------------------------------------------
# ZMSZCatalogConnector.suggest:
# --------------------------------------------------------------------------
def suggest(self, q, limit=5):
rtn = []
# ZCatalog.
request = self.REQUEST
lang = request.get('lang',self.getPrimaryLanguage())
zcatalog = getZCatalog(self,lang)
# Lexicon.
lexicon = zcatalog.Lexicon
for w in lexicon.words():
if w[0] not in ['_','0','1','2','3','4','5','6','7','8','9'] and w.lower().find(q) >= 0 and w not in rtn:
rtn.append(w)
if len(rtn) >= limit:
break
# Return list of suggestions.
return rtn
# --------------------------------------------------------------------------
# ZMSZCatalogConnector._update:
# --------------------------------------------------------------------------
def _update(self, node, d):
zcm = self.getCatalogAdapter()
# Prepare object.
for attr_id in extra_column_ids:
attr_name = 'zcat_column_%s'%attr_id
value = d.get(attr_id)
setattr(node,attr_name,value)
for attr_id in zcm._getAttrIds():
last_id = attr_id
attr_name = 'zcat_index_%s'%attr_id
value = umlaut_quote(self,d.get(attr_id))
setattr(node,attr_name,value)
# Reindex object.
request = self.REQUEST
lang = request.get('lang',self.getPrimaryLanguage())
zcatalog = getZCatalog(self,lang)
if zcatalog is not None:
zcatalog.uncatalog_object(node.getPath())
zcatalog.catalog_object(node,node.getPath())
# Unprepare object.
for attr_id in extra_column_ids:
attr_name = 'zcat_column_%s'%attr_id
delattr(node,attr_name)
for attr_id in zcm._getAttrIds():
attr_name = 'zcat_index_%s'%attr_id
delattr(node,attr_name)
# premature commit
req_key = 'ZMSZCatalogConnector._update.transaction_count'
cfg_key = 'ZMSZCatalogConnector._update.transaction_size'
if request.get(req_key,0)>=int(self.getConfProperty(cfg_key,999)):
import transaction
transaction.commit()
request.set(req_key,request.get(req_key,0)+1)
# --------------------------------------------------------------------------
# ZMSZCatalogConnector.reindex_all:
# --------------------------------------------------------------------------
def reindex_all(self):
result = []
zcm = self.getCatalogAdapter()
request = self.REQUEST
container = self.getDocumentElement()
for lang in container.getLangIds():
request.set('lang',lang)
# Recreate catalog.
result.append(recreateCatalog(container,self.aq_parent,lang))
# Reindex items to catalog.
def cb(node,d):
self._update(node,d)
for root in [container]+self.getPortalClients():
result.append(zcm.get_sitemap(cb,root,recursive=True))
return ', '.join(filter(lambda x:x,result))
# --------------------------------------------------------------------------
# ZMSZCatalogConnector.reindex_self:
# --------------------------------------------------------------------------
def reindex_self(self, uid):
result = []
zcm = self.getCatalogAdapter()
request = self.REQUEST
request.set('btn', 'Reindex') # backwards-compatibility (UzK)
container = self.getLinkObj(uid)
home_id = container.getHome().id
try:
lresult = []
langs = request.get('langs',';'.join(container.getLangIds())).split(';')
for lang in langs:
request.set('lang',lang)
lresult.append('language: %s'%lang)
# Clear catalog.
zcatalog = getZCatalog(self,lang)
if zcatalog is None:
lresult.append(recreateCatalog(container,self.aq_parent,lang))
else:
qr = zcatalog({'zcat_index_home_id':home_id})
lresult.append('%i objects removed from catalog'%len(qr))
for item in qr:
data_record_id = item.data_record_id_
path = zcatalog.getpath(data_record_id)
zcatalog.uncatalog_object(path)
# Reindex items to catalog.
def cb(node,d):
self._update(node,d)
lresult.append(zcm.get_sitemap(cb,container,recursive=True))
result.extend(lresult)
# Log changes.
zcatalog = getZCatalog(self,lang)
writeChangesLog(zcatalog, '[reindex_self]: '+'\n'.join(filter(lambda x:x,lresult)))
except:
result.append(standard.writeError(self,'can\'t reindex_self'))
return ', '.join(filter(lambda x:x,result))
# --------------------------------------------------------------------------
# ZMSZCatalogConnector.reindex_node:
# --------------------------------------------------------------------------
def reindex_node(self, node):
node.writeLog('[ZMSZCatalogConnector.reindex_node]')
zcm = self.getCatalogAdapter()
# Reindex item to catalog.
def cb(node,d):
self._update(node,d)
zcm.get_sitemap(cb,node,recursive=False)
def get_sitemap(self):
"""
Returns sitemap.
@rtype: C{str}
"""
zcm = self.getCatalogAdapter()
request = self.REQUEST
RESPONSE = request.RESPONSE
RESPONSE.setHeader('Content-Type','text/plain; charset=utf-8')
l = []
def cb(node,d):
l.append(d)
zcm.get_sitemap(cb,self.getDocumentElement(),recursive=True)
return self.str_json(l)
############################################################################
# ZMSZCatalogConnector.manage_changeProperties:
#
# Change properties.
############################################################################
def manage_changeProperties(self, selected, btn, lang, REQUEST):
message = ''
# Remove.
# -------
if btn == 'Remove':
ids = REQUEST.get('zcatalog_objectIds',[])
if len(ids) > 0:
self.getDocumentElement().manage_delObjects(ids)
message += self.getZMILangStr('MSG_DELETED')%len(ids)
return message
################################################################################