Michael Bayer wrote:
>
> it seems from symptom 1 and symptom 2 that your objects are not
> finding their way into Sessions, or are getting removed. if you
> stick with the simpler pattern above, it should be clear what Session
> your objects are a part of. symptom 2 also should be raising an
> error instead of returning None/blank list; you should use the latest
> trunk until i release 0.2.4 which fixes this issue.
>
I can't use the simple pattern. I'm using a RESTful pattern in which
the data record's ID is taken from the URL and looked up before the
requested action is taken. So in this case, _get_item looks up the
project and passes it to the save method. So how do I operate on
'project' after it is received by the saved method? I thought I could
retrieve the session and go from there.
def _get_item(self, atom):
session = create_session(engine)
query = session.query(Project)
project = query.get(int(atom))
return project
def save(self, project, **data):
session = sqlalchemy.object_mapper(project).get_session()
project.title = data['title']
session.flush()
tg.flash("Changes saved!")
raise tg.redirect("/")
The simple patterns never seem to suffice past the tutorial stage.
Requirements get complicated really quickly.
Randall
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