Diary/database.py

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#!/usr/bin/env python2.7
from sqlalchemy import create_engine,event,exc
from sqlalchemy.orm import scoped_session,sessionmaker
from sqlalchemy.ext.declarative import declarative_base
engine=create_engine('sqlite:///sqlite.db',convert_unicode=True)
db_session=scoped_session(sessionmaker(autocommit=False,autoflush=True,bind=engine))
Base=declarative_base()
Base.query=db_session.query_property()
def init_db():
import models
Base.metadata.create_all(bind=engine)
if __name__=='__main__':
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init_db()