El 11/12/13 19:22, Michael Merickel escribió:
The SQLAlchemy session you're using is configured to use the ZTE. You
can manage this session manually via transaction.commit() and
transaction.abort(), but this is not recommended.
If you want to avoid pyramid_tm, it's simple. Just don't use a session
configured to use the ZTE. You can easily create another session
without the ZTE and bind it to the same engine (connection pool).
You're then responsible for committing, closing, etc, but it will give
you full control over the transactions within that view.
If I have understood you, is something like that (with pyramid_tm enabled):
DBSession =
orm.scoped_session(orm.sessionmaker(extension=ZopeTransactionExtension()))
SDBSession = orm.scoped_session(orm.sessionmaker())
def my_method_view():
db = SDBSession()
req = UserRequest(....)
db.add(req)
db.commit()
...
(long calls)
payment = Payment(....)
db.add(payment)
db.commit()
db.close()
def other_view():
req = UserRequest(....)
DBSession.add(req)
Is correct? I must take into account to close session database if a
exception occurs, etc..
Thanks.
- Michael
On Wed, Dec 11, 2013 at 12:14 PM, Jonathan Vanasco
<[email protected] <mailto:[email protected]>> wrote:
Not sure, and I have a similar need.
Have you considered offloading the 3rd Party HTTP requests into a
celery task though? Your pyramid view would just queue a task,
celery could handle all the transaction stuff, and then you can
use a refresh or ajax call for the next view -- polling celery for
the result.
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