from sqlalchemy import create_engine
from sqlalchemy.orm import scoped_session
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm.session import sessionmaker

engine = create_engine('sqlite:////tmp/blog.db', convert_unicode=True)
db_session = scoped_session(sessionmaker(autocommit=False, autoflush=False,bind=engine))

Base = declarative_base()
Base.query = db_session.query_property()

def init_db():
	import models
	Base.metadata.create_all(bind=engine)


