On Sun, Mar 31, 2019 at 12:13 PM David Mertz <me...@gnosis.cx> wrote:
> I just found this nice summary. It's not complete, but it looks well > written. https://tomassetti.me/parsing-in-python/ > > On Sun, Mar 31, 2019, 3:09 PM David Mertz <me...@gnosis.cx> wrote: > >> There are about a half dozen widely used parsing libraries for Python. >> Each one of them takes a dramatically different approach to the defining a >> grammar. Each one has been debugged for over a decade. >> >> While I can imagine proposing one for inclusion in the standard library, >> you'd have to choose one (or write a new one) and explain why that one is >> better for everyone (or at least a better starting point) than all the >> others are. >> > I'm not at that stage, yet. By the way, it still is not clear to me if you think having one in the stdlib is desirable. > You're also have to explain why it needs to be in the standard library >> rather than installed by 'pip install someparser'. >> > Installing a package out of stdlib does not solve the problem that motivated this thread. The libraries included in the stdlib can't use those parsers. Cheers, Nam > >> On Sat, Mar 30, 2019, 1:58 PM Nam Nguyen <bits...@gmail.com> wrote: >> >>> Hello list, >>> >>> What do you think of a universal parsing library in the stdlib mainly >>> for use by other libraries in the stdlib? >>> >>> Through out the years we have had many issues with protocol parsing. >>> Some have even introduced security bugs. The main cause of these issues is >>> the use of simple regular expressions. >>> >>> Having a universal parsing library in the stdlib would help cut down >>> these issues. Such a library should be minimal yet encompassing, and whole >>> parse trees should be entirely expressible in code. I am thinking of >>> combinatoric parsing as the main candidate that fits this bill. >>> >>> What do you say? >>> >>> Thanks! >>> Nam >>> _______________________________________________ >>> Python-ideas mailing list >>> Python-ideas@python.org >>> https://mail.python.org/mailman/listinfo/python-ideas >>> Code of Conduct: http://python.org/psf/codeofconduct/ >>> >>
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