New submission from Nick Coghlan:

At Anatoly's prompting, Andrey Ponomarenko set up ABI/API compatibility checks 
for CPython on the Linux upstream tracker (http://upstream-tracker.org/)

Everything: http://upstream-tracker.org/versions/python.html
Public API/ABI (no leading underscores): 
http://upstream-tracker.org/versions/python_public_api.html
3.2 limited API/stable ABI (no leading underscores): 
http://upstream-tracker.org/versions/python_stable_api.html

Andrey's analysis in the python-ideas thread [1] indicates we've likely made 
some mistakes in exposing struct internals, as well as exposing new APIs 
unintentionally under older Py_LIMITED_API definitions.

There's probably not too much (if anything) we can do to rectify the past 
mistakes, but we could set up a daily or weekly check (akin to the existing 
refleak scan) that monitored for such mistakes to prevent the introduction of 
any new errors along these lines.

[1] https://mail.python.org/pipermail/python-dev/2014-April/133754.html

----------
messages: 215432
nosy: ncoghlan
priority: normal
severity: normal
status: open
title: Daily/weekly ABI scan?
type: enhancement

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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue21142>
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