class MiniSession:
"""
A DB session that lasts for as long as a web request. Makes sure that
nothing stays in memory between requests, because we're not paying for a
server that lets us use a lot of memory.
"""
def __enter__(self):
self.session = Session()
return self.session
def __exit__(self, type, value, traceback):
self.session.close()
del self.session
def __enter__(self):
self.session = Session()
return self.session
