tornado-models
sqlalchemy and redis for tornado
Installation
pip install tornado-models
Usage
sqlalchemy
from tornado.web import Application
from tornado_models.sqlalchemy import SQLAlchemy
from my_app.handlers import IndexHandler
app = Application(
((r'/', IndexHandler),),
db=SQLAlchemy(database_url)
)
##################################
from tornado_models.sqlalchemy import SQLAlchemy
db = SQLAlchemy(url=database_url)
class User(db.Model):
id = Column(BigInteger, primary_key=True)
username = Column(String(255), unique=True)
##################################
from tornado_models.sqlalchemy import SessionMixin
from tornado_models import as_future
class NativeCoroutineRequestHandler(SessionMixin, RequestHandler):
async def get(self):
with self.db_session() as session:
count = await as_future(session.query(User).count())
self.write('{} users so far!'.format(count))
redis
from tornado.web import Application
from tornado_models.redis import Redis
from my_app.handlers import IndexHandler
app = Application(
((r'/', IndexHandler),),
redis=Redis(pool_options(dict(host='localhost', port=6379, db=0)))
)
##################################
from tornado_models.redis import RedisMixin
from tornado_models import as_future
class NativeCoroutineRequestHandler(RedisMixin, RequestHandler):
async def get(self):
with self.redis_session() as session:
value = await as_future(session.get('key'))
self.write('redis value is {}!'.format(value))
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