Python Solr search
Apache Solr connections created in Dashboard allow one to index, look up or delete stored documents and access from your Zato Python code all the other features that Solr itself offers.
Indexing
# -*- coding: utf-8 -*-
# Zato
from zato.server.service import Service
class MyService(Service):
def handle(self):
with self.search.solr['My Connection'].conn.client() as client:
docs = []
doc1 = {'id':'my-id1', 'title':'my-title1'}
doc2 = {'id':'my-id2', 'title':'my-title2'}
docs.append(doc1)
docs.append(doc2)
client.add(docs)
Searching
# -*- coding: utf-8 -*-
# Zato
from zato.server.service import Service
class MyService(Service):
def handle(self):
with self.search.solr['My Connection'].conn.client() as client:
# Fetch all documents
result = client.search('*:*')
# Let's find out what we were given
for item in result.docs:
self.logger.info(item)
In server.log:
INFO - Finished 'http://idx/s/c/select/?q=%2A&wt=json' (get) with body '' in 0.003 seconds.
INFO - {'_version_': 1491467048238186496, 'id': 'my-id1', 'title': ['my-title1']}
INFO - {'_version_': 1491467048270692352, 'id': 'my-id2', 'title': ['my-title2']}
Deleting
# -*- coding: utf-8 -*-
# Zato
from zato.server.service import Service
class MyService(Service):
def handle(self):
with self.search.solr.get('My Connection').conn.client() as client:
# Delete a document by its ID
client.delete('my-id1')
In server.log:
Other features
The connection object is an instance of pysolr.Solr Refer to its main documentation in order to learn how to access other features such as updating, spelling corrections and more.
# -*- coding: utf-8 -*-
# Zato
from zato.server.service import Service
class MyService(Service):
def handle(self):
with self.search.solr['My Connection'].conn.client() as client:
# This is a pysolr.Solr instance
self.logger.info(client)
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