Author inada.naoki
Recipients Aaron Hall, barry, brett.cannon, eric.snow, gvanrossum, inada.naoki, levkivskyi, serhiy.storchaka, vstinner, yselivanov
Date 2017-09-05.02:22:14
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Message-id <1504578135.11.0.833616435944.issue31333@psf.upfronthosting.co.za>
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> Hm, indeed, but I see that module 'abc' is in 'sys.modules', probably it is then only used by 'collections.abc'/'_collections_abc'. This means that the influence of 'ABCMeta' on interpreter start-up time will be smaller than I thought. But still start-up times for projects that actively use ABCs will be influenced by 'ABCMeta'.

Since os.environ uses _collections_abc.MutableMapping, importing _collections_abc is not avoidable while startup.

`io` module uses ABC and it's used for sys.std(io|err|in).  It's not avoidable too.

And as you know, typing module will be very common rapidly :)
Even if it doesn't affect "python_startup" microbench, it's important.
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Date User Action Args
2017-09-05 02:22:15inada.naokisetrecipients: + inada.naoki, gvanrossum, barry, brett.cannon, vstinner, eric.snow, serhiy.storchaka, yselivanov, levkivskyi, Aaron Hall
2017-09-05 02:22:15inada.naokisetmessageid: <1504578135.11.0.833616435944.issue31333@psf.upfronthosting.co.za>
2017-09-05 02:22:15inada.naokilinkissue31333 messages
2017-09-05 02:22:14inada.naokicreate