Chris Withers wrote: > From the docs of pkgutils.walk_packages: > """ > 'onerror' is a function which gets called with one argument (the > name of the package which was being imported) if any exception > occurs while trying to import a package. If no onerror function is > supplied, ImportErrors are caught and ignored, while all other > exceptions are propagated, terminating the search. > """ > > My expectation of this is that if onerrors is left as None, names > yielded will be importable.
I would infer no such promise, especially as the generator also yields modules, and no attempt at all is made to import those. > However, because the yield is before the import check, you can get > packages returned that are not importable. > > This feels at odds with the docs above and I think is a bug. > > If the yield were dropped to befoer the import check, we wouldn't have > this problem. > > what do others think? I've never worked with that function; I'd like to hear more about your usecase. Peter -- http://mail.python.org/mailman/listinfo/python-list