tornadowhoosh.py

import whoosh,os
from whoosh import index
import whoosh.index
import whoosh.qparser
import tornado.ioloop
import tornado.web

class Search(object):
    def __init__(self, indexdir, searchstr):
        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(),
                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.commit()
        _queryparser = whoosh.qparser.QueryParser('content', schema=schema)
        s = ix.searcher()
        return s.search(_queryparser.parse(
            unicode(self.searchstr)), limit=50)

class Home(tornado.web.RequestHandler):
    def get(self):
        self.render('searchform.html')

class Srch(tornado.web.RequestHandler):
    def get(self):
        q = self.get_argument("q")
        srch = Search('./indexdir', q)
        results = srch.searcher()
        self.write(str(results))

application = tornado.web.Application([
    (r"/",Home ),
    (r"/search",Srch ),
])

if __name__ == "__main__":
    application.listen(8888)
    tornado.ioloop.IOLoop.instance().start()