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1 from sqlalchemy.orm import sessionmaker |
1 from sqlalchemy.orm import sessionmaker |
2 |
2 |
3 from .session import IroSession |
|
4 class WithSession(object): |
3 class WithSession(object): |
5 '''a with statement for a database session connection.''' |
4 '''a with statement for a database session connection.''' |
6 def __init__(self, engine, autocommit=False): |
5 def __init__(self, engine, autocommit=False): |
7 """ |
6 """ |
8 :param `sqlalchemy.engine.base.Engine` engine: a valid sqlalchemy engine object (normally created via :func:`sqlalchemy.create_engine`). |
7 :param `sqlalchemy.engine.base.Engine` engine: a valid sqlalchemy engine object (normally created via :func:`sqlalchemy.create_engine`). |
12 """ |
11 """ |
13 self.engine = engine |
12 self.engine = engine |
14 self.autocommit=autocommit |
13 self.autocommit=autocommit |
15 |
14 |
16 def __enter__(self): |
15 def __enter__(self): |
17 self.session = sessionmaker(bind=self.engine, class_ = IroSession)() |
|
18 """returns a vaild session object""" |
16 """returns a vaild session object""" |
19 self.session = sessionmaker(bind=self.engine)() |
17 self.session = sessionmaker(bind=self.engine)() |
20 return self.session |
18 return self.session |
21 |
19 |
22 def __exit__(self,exc_type, exc_value, traceback): |
20 def __exit__(self,exc_type, exc_value, traceback): |