Michael Bayer ha scritto:
> Manlio Perillo wrote:
>> Regards.
>>
>> I need to know if the __init__ and close methods of the Session object
>> *never* raise an exception.
>
> nothing *never* raises an exception.
> if you pass along bad arguments,
Well, the two function are under "my control".
> youll get an exception. theres no database operations or per-object
> assertions within __init__ or close if thats what you mean.
>
Thanks.
The reason for this question is that I'm doing:
def _sessionTransaction(self, callable_, *args, **kwargs):
from sqlalchemy import orm
conn = self.contextual_connect()
sess = orm.create_session(bind_to=conn) # This cannot fail
try:
trans = sess.create_transaction()
try:
ret = callable_(conn, sess, *args, **kwargs)
trans.commit()
return ret
except:
trans.rollback()
raise
finally:
sess.close() # This cannot fail
conn.close()
So it is important that create_session and sess.close never raise an
exception.
If this is not the case, I have to add another try statement.
Regards Manlio Perillo
>
> >
>
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