On Thu, Jun 27, 2019 at 7:11 AM Yanghao Hua <yanghao...@gmail.com> wrote: > > On Wed, Jun 26, 2019 at 11:00 PM Chris Angelico <ros...@gmail.com> wrote: > > > > On Thu, Jun 27, 2019 at 6:50 AM Yanghao Hua <yanghao...@gmail.com> wrote: > > > > > > On Wed, Jun 26, 2019 at 10:16 PM Chris Angelico <ros...@gmail.com> wrote: > > > > > > > > Let's suppose that frob() returns something that has a __getself__ > > > > method. Will f1 trigger its call? Will f2? If the answer is "yes" to > > > > both, then when ISN'T getself called? If the answer is "no" to both, > > > > > > What's the problem for the "yes" case? If you define such an object of > > > course __get/setself__() is always called, and f1() is still equal to > > > f2(). > > > > Then in what circumstances will getself NOT be called? What is the > > point of having an object, if literally every reference to it will > > result in something else being used? The moment you try to return this > > object anywhere or do literally anything with it, it will devolve to > > the result of getself, and the original object is gone. > > No, it won't -- getself() will/can return self, setself(self, other) > will type-checking other and re-interpret them into integers, and do > the magic (e.g. signal.next = integer). I implemented exactly the same > thing using signal[:] overriding get/setitem(). I mean, how to use it > is up to the user, there are endless possibilities. You can choose to > return self, or something entirely different, the point is you now > have control over "=" operator as you can for the other operators.
Then I completely don't understand getself. Can you give an example of how it would be used? So far, it just seems like an utter total mess. ChrisA _______________________________________________ Python-ideas mailing list -- python-ideas@python.org To unsubscribe send an email to python-ideas-le...@python.org https://mail.python.org/mailman3/lists/python-ideas.python.org/ Message archived at https://mail.python.org/archives/list/python-ideas@python.org/message/ZBWKD4BGIRDBNQVF6SRXUMZ7EMKLCKCT/ Code of Conduct: http://python.org/psf/codeofconduct/
