I usually traverse recursively through __subclasses__().
On Sep 5, 2014, at 10:49 AM, Alex Grönholm <alex.gronh...@nextday.fi> wrote: > Hm not so dumb actually, because __subclasses__ only lists immediate > subclasses. Getting all the mapped classes would involve more work that way. > So my preferred method remains this: > > def get_all_mapped_classes(): > return [cls for cls in Base._decl_class_registry.values() if > isinstance(cls, type)] > > > perjantai, 5. syyskuuta 2014 17.19.21 UTC+3 Alex Grönholm kirjoitti: > You're right, I'm dumb. I should've just used __subclasses__ and be done with > it. > The use case is that I have a client-server app and I build a list of all > classes for the client so the client knows which column types to use in > tables. It's also used for automatically generating the column/relationship > list on the client in the search dialog. So I won't have to make code changes > to the client when I alter the model on the server. > > perjantai, 5. syyskuuta 2014 17.13.10 UTC+3 Michael Bayer kirjoitti: > well it's not set to be mapped until after the setup part of it. > > if you want to get every class whether mapped or not, maybe use > Base.__subclasses__() ? > > What's the use case where you need the abstract base in the decl class > registry? it's not really something you'd want to refer to in a > relationship(). > > > > On Sep 5, 2014, at 9:56 AM, Alex Grönholm <alex.g...@nextday.fi> wrote: > >> Thanks. I've filed an issue at Bitbucket. >> >> A follow-up question: Why are abstract base classes not present in the >> declarative class registry? Or is there another way to get all the mapped >> classes besides iterating over Base._decl_class_registry? >> >> -- >> 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+...@googlegroups.com. >> To post to this group, send email to sqlal...@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. -- 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.
