Created
September 26, 2012 08:07
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Torando - Whoosh - MoreLike
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import whoosh,os | |
from whoosh import index | |
import whoosh.index | |
import whoosh.fields | |
import whoosh.qparser | |
import tornado.ioloop | |
import tornado.web | |
class Search(object): | |
def __init__(self, indexdir, searchstr=None): | |
self.indexdir = indexdir | |
self.searchstr = searchstr | |
def searcher(self): | |
schema = whoosh.fields.Schema( | |
path = whoosh.fields.ID(unique=True, stored=True), | |
title = whoosh.fields.TEXT(stored=True, phrase=False), | |
content = whoosh.fields.TEXT(stored=True), | |
tag = whoosh.fields.TEXT(stored=True), | |
category = whoosh.fields.TEXT(stored=True)) | |
if not os.path.exists(self.indexdir): | |
os.mkdir(self.indexdir) | |
ix = index.create_in(self.indexdir, schema) | |
writer = ix.writer() | |
writer.add_document(title=u"Welcome", content=u"This is welcome blog!", | |
path=u"/welcome", tag=u"Welcome", category=u"Welcome") | |
writer.add_document(title=u"Python Whoosh", content=u"Whoosh search library in pure Python", | |
path=u"/whoosh", tag=u"whoosh", category=u"Search") | |
writer.add_document(title=u"Python Tornado", content=u"Tornado Web Server for real-time web apps", | |
path=u"/tornado", tag=u"tornado", category=u"Web Server") | |
writer.add_document(title=u"Python Tornado Async", content=u"Tornado Web Server provides async web requests", | |
path=u"/tornadoasync", tag=u"async", category=u"Web Server") | |
writer.add_document(title=u"Python Tornado Templates", content=u"Tornado Web Server has template feature", | |
path=u"/tornadotemplates", tag=u"templates", category=u"Web Server") | |
writer.add_document(title=u"Python Tornado", content=u"Tornado Web Server is awesome", | |
path=u"/tornado", tag=u"great", category=u"Web Server") | |
writer.commit() | |
_queryparser = whoosh.qparser.QueryParser('content', schema=schema) | |
s = ix.searcher() | |
class Home(tornado.web.RequestHandler): | |
def get(self): | |
self.write('It Works!') | |
class MoreLikeThis(tornado.web.RequestHandler): | |
def get(self): | |
self.render('morelikethis.html') | |
def post(self): | |
path = self.get_argument('path') | |
print path | |
srch = Search('./indexer') | |
s = srch.searcher() | |
docnum = s.document_number(path=path) | |
print docnum | |
r = s.more_like(docnum, 'content') | |
head = "<h3>Documents like more like %s</h3><br />" %path | |
head1 = "<h3>Documents like more like this %s</h3><br />" %path | |
hits = ''; subhits = '' | |
for hit in r: | |
hits += "Title: " + hit["title"] + " Tag: " + hit["tag"] + " Category: " + hit["category"] + "<br />" | |
for subhit in hit.more_like_this("content", top=1): | |
subhits += "Title: " + subhit["title"] + " Tag: " + subhit["tag"] + "<br />" | |
self.write(head+hits+head1+subhits) | |
application = tornado.web.Application([ | |
(r"/",Home ), | |
(r"/morelikethis",MoreLikeThis ), | |
]) | |
if __name__ == "__main__": | |
application.listen(7777) | |
tornado.ioloop.IOLoop.instance().start() | |
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How to use Whoosh in Tornado asynchronously?