On Thu, May 1, 2008 at 7:30 PM, Robert Brown <brown at google.com> wrote: > The call to ensure-class without > > :metaclass 'py-core-type > > succeeds. > > The call with the :metaclass argument fails inside change-class: > > (defmethod change-class ((instance standard-object) (new-class > standard-class) > &rest initargs) > (unless (class-finalized-p new-class) > (finalize-inheritance new-class)) > (let ((cpl (class-precedence-list new-class))) > (dolist (class cpl) > (macrolet > ((frob (class-name) > `(when (eq class (find-class ',class-name)) > (error 'metaobject-initialization-violation > :format-control "~@<Cannot ~S objects into ~S > metaobjects.~@:>" > :format-arguments (list 'change-class ',class-name) > :references (list '(:amop :initialization > ,class-name)))))) > (frob class) > (frob generic-function) > (frob method) > (frob slot-definition)))) > (change-class-internal instance new-class initargs)) > > CLASS is on the class precedence list of PY-CORE-TYPE. > Thanks, I'm going to look into this. - Willem -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://mailman.common-lisp.net/pipermail/clpython-devel/attachments/20080501/ddf91684/attachment.html>
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