On Thu, Apr 2, 2020 at 7:55 PM Matt Billenstein
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
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-c...