[Python-ideas] Built-in parsing library
mertz at gnosis.cx
Sun Mar 31 15:12:49 EDT 2019
I just found this nice summary. It's not complete, but it looks well
On Sun, Mar 31, 2019, 3:09 PM David Mertz <mertz at 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. You're also have to explain why it needs to be in the standard
> library rather than installed by 'pip install someparser'.
> On Sat, Mar 30, 2019, 1:58 PM Nam Nguyen <bitsink at 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?
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