beshrkayali/tornado-redisdb-example.py

## tornado-redisdb-example.py
#!/usr/bin/env python
#
# Example on using tornado.redisdb available http://github.com/beshrkayali/tornado/blob/master/tornado/redisdb.py
# Copyright 2010 Beshr Kayali
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.

import tornado.httpserver
import tornado.ioloop
import tornado.options
import tornado.web
import tornado.redisdb

from tornado.options import define, options

define("port", default=8050, help="run on the given port", type=int)
define("redis_host", default="127.0.0.1", help="redis host")
define("redis_port", default=6379, help="redis port")
define("redis_db", default=0, help="redis db")


class BasicHandler(tornado.web.RequestHandler):
    @property
    def db(self):
        return self.application.db

class MainHandler(BasicHandler):
    def get(self):
        if self.db.redis.lrange("saved_names",0,-1):
            saved_names = "<ul>"
            for name in self.db.redis.lrange("saved_names",0,-1):
                saved_names += "<li>%s</li>" % name
            saved_names += "</ul>"
        else:
            saved_names = "Add yours!"
        self.write('<html><body><form action="/" method="post">'
                   'Name: <input type="text" name="name"> '
                   '<input type="submit" value="Submit">'
                   '</form><p>Saved Names: %s</p></body></html>' % saved_names)

    def post(self):
        self.set_header("Content-Type", "text/plain")
        self.db.redis.rpush("saved_names", self.get_argument("name"))
        self.redirect("/")


class Application(tornado.web.Application):
    def __init__(self):
        handlers = [
            (r"/", MainHandler),
        ]
        settings = dict()
        tornado.web.Application.__init__(self, handlers, **settings)

        # Have one global connection to the redis db
        self.db = tornado.redisdb.Connection(host = options.redis_host,
                port = options.redis_port,
                db   = options.redis_db)

def main():
    tornado.options.parse_command_line()
    http_server = tornado.httpserver.HTTPServer(Application())
    http_server.listen(options.port)
    tornado.ioloop.IOLoop.instance().start()


if __name__ == "__main__":
    main()
	#!/usr/bin/env python
	#
	# Example on using tornado.redisdb available http://github.com/beshrkayali/tornado/blob/master/tornado/redisdb.py
	# Copyright 2010 Beshr Kayali
	#
	# Licensed under the Apache License, Version 2.0 (the "License"); you may
	# not use this file except in compliance with the License. You may obtain
	# a copy of the License at
	#
	# http://www.apache.org/licenses/LICENSE-2.0
	#
	# Unless required by applicable law or agreed to in writing, software
	# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
	# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
	# License for the specific language governing permissions and limitations
	# under the License.

	import tornado.httpserver
	import tornado.ioloop
	import tornado.options
	import tornado.web
	import tornado.redisdb

	from tornado.options import define, options

	define("port", default=8050, help="run on the given port", type=int)
	define("redis_host", default="127.0.0.1", help="redis host")
	define("redis_port", default=6379, help="redis port")
	define("redis_db", default=0, help="redis db")


	class BasicHandler(tornado.web.RequestHandler):
	@property
	def db(self):
	return self.application.db

	class MainHandler(BasicHandler):
	def get(self):
	if self.db.redis.lrange("saved_names",0,-1):
	saved_names = "<ul>"
	for name in self.db.redis.lrange("saved_names",0,-1):
	saved_names += "<li>%s</li>" % name
	saved_names += "</ul>"
	else:
	saved_names = "Add yours!"
	self.write('<html><body><form action="/" method="post">'
	'Name: <input type="text" name="name"> '
	'<input type="submit" value="Submit">'
	'</form><p>Saved Names: %s</p></body></html>' % saved_names)

	def post(self):
	self.set_header("Content-Type", "text/plain")
	self.db.redis.rpush("saved_names", self.get_argument("name"))
	self.redirect("/")


	class Application(tornado.web.Application):
	def __init__(self):
	handlers = [
	(r"/", MainHandler),
	]
	settings = dict()
	tornado.web.Application.__init__(self, handlers, **settings)

	# Have one global connection to the redis db
	self.db = tornado.redisdb.Connection(host = options.redis_host,
	port = options.redis_port,
	db = options.redis_db)

	def main():
	tornado.options.parse_command_line()
	http_server = tornado.httpserver.HTTPServer(Application())
	http_server.listen(options.port)
	tornado.ioloop.IOLoop.instance().start()


	if __name__ == "__main__":
	main()