On 3/02/21 10:35 pm, Phil Thompson wrote:
On 02/02/2021 23:08, Greg Ewing wrote:
you have no idea what
kind of C struct it expects to get.
I had assumed that some other magic in typeobject.c (eg. conflicting
meta-classes) would have raised an exception before getting to this
stage if there was a conflict.
"No idea" is probably an exaggeration -- there is checking
to ensure that all the C structs involved form a sequence
of extensions. But they still need to be initialised in the
right order, because __new__ methods for later ones assume
that the struct they're extending has already been
initialised.
--
Greg
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