On Thu, Apr 2, 2020 at 7:55 PM Matt Billenstein <m...@vazor.com> wrote:
> On Thu, Apr 02, 2020 at 05:17:31PM -0700, Guido van Rossum wrote: > > On Thu, Apr 2, 2020 at 4:20 PM Nathaniel Smith <n...@pobox.com> wrote: > > > > If the AST is supposed to be the same, then would it make sense to > > temporarily – maybe just during the alpha/beta period – always run > > *both* parsers and confirm that they match? > > > > > > That's not a bad idea! > https://github.com/we-like-parsers/cpython/issues/33 > > Even just running it in a dev build against the corpus of the top few > thousand packages on pypi might give enough confidence -- I had a script > to download the top N packages and run some script over the python files > contained therein, but I can't seem to find it atm. > We got that. Check https://github.com/gvanrossum/pegen/tree/master/scripts -- look at download_pypi_packages.py and test_pypi_packages.py. -- --Guido van Rossum (python.org/~guido) *Pronouns: he/him **(why is my pronoun here?)* <http://feministing.com/2015/02/03/how-using-they-as-a-singular-pronoun-can-change-the-world/>
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