Sorry, I just saw the "the Mapper class itself and the mapper() function indicate listening for all mappers." on the latest docs. Thanks.
On Wed, Apr 8, 2015 at 5:27 PM, Mike Bayer <mike...@zzzcomputing.com> wrote: > > > On 4/8/15 5:14 PM, Tim Tisdall wrote: > > I have some code I'm trying to figure out... Here it is: > > from sqlalchemy import event > from colanderalchemy import setup_schema > from sqlalchemy.orm import mapper > > event.listen(mapper, 'mapper_configured', setup_schema) > > > It appears to call `setup_schema` on every ORM class that derives from the > `declarative_base()`. All the documentation in SQLAlchemy shows > event.listen being called on specific classes or mappers and I'm wondering > if this usage is a documented feature. > > > yes, mapper events can be passed the "mapper" function itself which is > recognized as one way to assign an event to all mappers. > > > I found a mention in the 0.7 docs, but no where else: > http://docs.sqlalchemy.org/en/rel_0_7/orm/events.html#sqlalchemy.orm.events.MapperEvents > > that would qualify as "documented" :) The formatting is cleaner in > http://docs.sqlalchemy.org/en/latest/orm/events.html#sqlalchemy.orm.events.MapperEvents. > > > > -- > 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 sqlalchemy+unsubscr...@googlegroups.com. > To post to this group, send email to sqlalchemy@googlegroups.com. > 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 a topic in the > Google Groups "sqlalchemy" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/sqlalchemy/bmWUxihSDqY/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > sqlalchemy+unsubscr...@googlegroups.com. > To post to this group, send email to sqlalchemy@googlegroups.com. > 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 sqlalchemy+unsubscr...@googlegroups.com. To post to this group, send email to sqlalchemy@googlegroups.com. Visit this group at http://groups.google.com/group/sqlalchemy. For more options, visit https://groups.google.com/d/optout.
