The problem is that it requires the explicit use of the session.
In my case this means that I can not delete the object inside a method
of my class.
class A(object):
def enableB(enable=True):
if enable:
self.b = B(...)
else:
del self.b
Not a big problem, however.
There's the 'threadlocal' that should let you work as you like, but I've
read its use is discouraged because it could lead to strange bugs.
BTW, couldn't you just pass your session to the methods requiring it?
class A(object):
def enableB(enable=True, session):
if enable:
self.b = B(...)
else:
session.delete(self.b)
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