Re: how to handle sqlalchemy exception with pyramid?

2011-08-05 Thread Michael Merickel
The real exceptions occur when the data is flushed to the database, not the
actual commit.

If you do a dbsession.flush() in your view code and it doesn't error then
you can be fairly certain that the transaction's commit() will not fail.


-- 

Michael

-- 
You received this message because you are subscribed to the Google Groups 
"pylons-discuss" group.
To post to this group, send email to pylons-discuss@googlegroups.com.
To unsubscribe from this group, send email to 
pylons-discuss+unsubscr...@googlegroups.com.
For more options, visit this group at 
http://groups.google.com/group/pylons-discuss?hl=en.



ReĀ : how to handle sqlalchemy exception with pyramid?

2011-08-05 Thread Di Dio Adrien
Sorry my first message was incomplete (accidental sending):


I solved my problem with the use of a finished callback:

def commit_callback(request):
'''commit or abort the transaction associated with request'''
if request.exception is not None:
transaction.abort()
else:
try:
transaction.commit()
except exc.SQLAlchemyError as e:
print e
transaction.abort()

Is it the right way for handling sqlalchemy exception in a callable view?

Thanks.

-- 
You received this message because you are subscribed to the Google Groups 
"pylons-discuss" group.
To view this discussion on the web visit 
https://groups.google.com/d/msg/pylons-discuss/-/9SQvs9wkQS8J.
To post to this group, send email to pylons-discuss@googlegroups.com.
To unsubscribe from this group, send email to 
pylons-discuss+unsubscr...@googlegroups.com.
For more options, visit this group at 
http://groups.google.com/group/pylons-discuss?hl=en.