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ZMSZCatalogSolrConnector.py
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ZMSZCatalogSolrConnector.py
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# -*- coding: utf-8 -*-
################################################################################
# ZMSZCatalogSolrConnector.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
import urllib
from zope.interface import implementer
# Product Imports.
import standard
import _xmllib
import IZMSCatalogConnector
import ZMSZCatalogAdapter
import ZMSItem
################################################################################
################################################################################
###
### Class
###
################################################################################
################################################################################
@implementer(
IZMSCatalogConnector.IZMSCatalogConnector)
class ZMSZCatalogSolrConnector(
ZMSItem.ZMSItem):
# Properties.
# -----------
meta_type = 'ZMSZCatalogSolrConnector'
icon = "++resource++zms_/img/solr.png"
# Management Interface.
# ---------------------
manage_input_form = PageTemplateFile('zpt/ZMSZCatalogAdapter/manage_solr_connector',globals())
# Management Permissions.
# -----------------------
__administratorPermissions__ = (
'manage_changeProperties', 'manage_main',
)
__ac_permissions__=(
('ZMS Administrator', __administratorPermissions__),
)
############################################################################
# ZMSZCatalogSolrConnector.__init__:
#
# Constructor.
############################################################################
def __init__(self):
self.id = 'zcatalog_solr_connector'
# --------------------------------------------------------------------------
# ZMSZCatalogSolrConnector.search_xml:
# --------------------------------------------------------------------------
def search_xml(self, q, page_index=0, page_size=10, REQUEST=None, RESPONSE=None):
""" ZMSZCatalogSolrConnector.search_xml """
# Check constraints.
zcm = self.getCatalogAdapter()
attrs = zcm.getAttrs()
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.
p = {}
p['q'] = q
p['wt'] = 'xml'
p['start'] = page_index
p['rows'] = page_size
p['defType'] = 'edismax'
p['qf'] = ' '.join(map(lambda x:'%s^%s'%(self._get_field_name(x),str(attrs[x].get('boost',1.0))),attrs.keys()))
p['hl'] = 'true'
p['hl.fragsize'] = self.getConfProperty('solr.select.hl.fragsize',200)
p['hl.fl'] = self.getConfProperty('solr.select.hl.fl',','.join(map(lambda x:self._get_field_name(x),attrs.keys())))
p['hl.simple.pre'] = self.getConfProperty('solr.select.hl.simple.pre','<span class="highlight">')
p['hl.simple.post'] = self.getConfProperty('solr.select.hl.simple.post','</span>')
solr_url = self.getConfProperty('solr.url','http://localhost:8983/solr')
solr_core = self.getConfProperty('solr.core',self.getAbsoluteHome().id)
url = '%s/%s/select'%(solr_url,solr_core)
url = self.url_append_params(url,p,sep='&')
result = self.http_import(url,method='GET')
result = standard.re_sub('name="(.*?)_[ist]"','name="\\1"',result)
return result
# --------------------------------------------------------------------------
# ZMSZCatalogSolrConnector.suggest_xml:
# --------------------------------------------------------------------------
def suggest_xml(self, q, REQUEST=None, RESPONSE=None):
""" ZMSZCatalogSolrConnector.suggest_xml """
# Check constraints.
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.
p = {}
solr_url = self.getConfProperty('solr.url','http://localhost:8983/solr')
solr_core = self.getConfProperty('solr.core',self.getAbsoluteHome().id)
SOLR_SUGGEST_SELECT = 'select?q=*:*&rows=0&facet=true&facet.field=text&facet.prefix=%s&facet.limit=5'
SOLR_SUGGEST_SUGGEST = 'suggest?q=%s'
solr_suggest = self.getConfProperty('solr.suggest',SOLR_SUGGEST_SELECT)%q
url = '%s/%s/%s'%(solr_url,solr_core,solr_suggest)
result = self.http_import(url,method='GET')
return result
def __get_delete_xml(self, query='*:*', attrs={}):
xml = []
xml.append('<?xml version="1.0"?>')
xml.append('<delete'+' '.join(['']+map(lambda x:'%s="%s"'%(x,str(attrs[x])),attrs))+'>')
xml.append('<query>%s</query>'%query)
xml.append('</delete>')
return '\n'.join(xml)
def __get_command_xml(self, command):
xml = []
xml.append('<?xml version="1.0"?>')
xml.append('<%s/>'%command)
return '\n'.join(xml)
def _get_field_name(self, k):
zcm = self.getCatalogAdapter()
attrs = zcm.getAttrs()
if k not in ['id']:
suffix = 's'
if k in attrs.keys():
attr_type = attrs[k].get('type','text')
attr_suffix = {'text':'t','string':'t','select':'s','multiselect':'s','int':'i'}
suffix = attr_suffix.get(attr_type,suffix)
k = '%s_%s'%(k,suffix)
return k
def __get_add_xml(self, node, recursive, xmlattrs={}):
zcm = self.getCatalogAdapter()
attrs = zcm.getAttrs()
xml = []
xml.append('<?xml version="1.0"?>')
xml.append('<add'+' '.join(['']+map(lambda x:'%s="%s"'%(x,str(xmlattrs[x])),xmlattrs))+'>')
def cb(node,d):
xml.append('<doc>')
text = []
for k in d.keys():
name = k
boost = 1.0
v = d[k]
if k not in ['id']:
if k in attrs.keys():
boost = attrs[k]['boost']
if type(v) in (str,unicode):
name = '%s_t'%k
text.append(v)
else:
if type(v) in (str,unicode):
name = '%s_s'%k
xml.append('<field name="%s" boost="%.1f">%s</field>'%(name,boost,v))
xml.append('<field name="text_t">%s</field>'%' '.join(filter(lambda x:len(x)>0,text)))
xml.append('</doc>')
zcm.get_sitemap(cb,node,recursive)
xml.append('</add>')
return '\n'.join(xml)
# --------------------------------------------------------------------------
# ZMSZCatalogSolrConnector._update:
# --------------------------------------------------------------------------
def _update(self, xml):
solr_url = self.getConfProperty('solr.url','http://localhost:8983/solr')
solr_core = self.getConfProperty('solr.core',self.getAbsoluteHome().id)
url = '%s/%s/update'%(solr_url,solr_core)
url = '%s?%s'%(url,xml)
result = self.http_import(url,method='POST',headers={'Content-Type':'text/xml;charset=UTF-8'})
self.writeLog("[ZMSZCatalogSolrConnector._update]: %s"%str(result))
return result
# --------------------------------------------------------------------------
# ZMSZCatalogSolrConnector.reindex_all:
# --------------------------------------------------------------------------
def reindex_all(self):
result = []
result.append(self._update(self.__get_delete_xml()))
container = self.getDocumentElement()
for root in container+[self.getPortalClients()]:
result.append(self._update(self.__get_add_xml(root,recursive=True)))
result.append(self._update(self.__get_command_xml('commit')))
result.append(self._update(self.__get_command_xml('optimize')))
return ', '.join(filter(lambda x:x,result))
# --------------------------------------------------------------------------
# ZMSZCatalogConnector.reindex_self:
# --------------------------------------------------------------------------
def reindex_self(self, uid):
result = []
container = self.getLinkObj(uid)
home_id = container.getHome().id
try:
result.append(self._update(self.__get_delete_xml(query='home_id_s:%s'%home_id)))
result.append(self._update(self.__get_add_xml(container,recursive=True)))
result.append(self._update(self.__get_command_xml('commit')))
result.append(self._update(self.__get_command_xml('optimize')))
except:
result.append(standard.writeError(self,'can\'t reindex_self'))
return ', '.join(filter(lambda x:x,result))
# --------------------------------------------------------------------------
# ZMSZCatalogSolrConnector.reindex_node:
# --------------------------------------------------------------------------
def reindex_node(self, node):
xml = self.__get_add_xml(node,recursive=False,xmlattrs={'overwrite':'true'})
return self._update(xml)
def get_sitemap(self):
"""
Returns sitemap.
@rtype: C{str}
"""
request = self.REQUEST
RESPONSE = request.RESPONSE
RESPONSE.setHeader('Content-Type','text/xml; charset=utf-8')
xml = self.__get_add_xml(self.getDocumentElement(),recursive=True)
return xml
############################################################################
# ZMSZCatalogSolrConnector.manage_changeProperties:
#
# Change properties.
############################################################################
def manage_changeProperties(self, selected, btn, lang, REQUEST):
message = ''
# Save.
# -----
if btn == 'Save':
self.setConfProperty('solr.url',REQUEST['solr_url'])
self.setConfProperty('solr.core',REQUEST['solr_core'])
return message
################################################################################