@Michael: Are you sure the default value of isolation_level is None ? Because when I didn't set to None, I can't use nested session with sqlite and when I set it to None it's works.
2014-12-30 19:42 GMT+01:00 Michael Bayer <[email protected]>: > > > Boris Sabatier <[email protected]> wrote: > > Hi, > > I need to pass connect_args={'isolation_level':None} when I create my > engine. > > > > “None” is the default that’s used if isolation_level is not passed, and > means to do nothing. So just don’t pass it, there’s no need to pass “None”. > > > With create_engine, it's work well. > > But I would like to use engine_from_config instead of create_engine. > > This is what I tried and the errors : > > # ini file : > sqlalchemy.connect_args = {'isolation_level':None} > > > well if this were to be available in an .ini file, that’s not Python code in > an .ini file, it would have to be interpreted, such as: > > sqlalchemy.connect_args = none > > there’s a system by which these values are interpreted on a case-by-case > basis that’s stated in each dialect class, if the type is something other > than string. But this parameter isn’t part of that, since it’s just a > string type, and there’s no “None” handling. You’d just omit the argument > to use the default value. > > -- > You received this message because you are subscribed to a topic in the > Google Groups "sqlalchemy" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/sqlalchemy/ZVhiJa7QZOQ/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/sqlalchemy. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/sqlalchemy. For more options, visit https://groups.google.com/d/optout.
