I started to prepare a chain of those,
as a pr stack on my fork, and the first of them as upstream pr
in https://github.com/pypy/pypy/pull/5597
i let opus make the summary below.
i intend to work it a bit more to get to the point where an actual
testsuite can run against python3
-- Ronny
Written by Claude Opus 5.5 via Claude Code for Matti and the pypy-dev
list; I prompted it, it did the work, I read it.
First PR, open for review:
https://github.com/pypy/pypy/pull/5597
rpython/tool/py3distance.py, plus a CI check that fails a PR if the
distance to Python 3 grows
The rest of the stack is draft PRs on my fork, each based on the one
before and rebuilt on current main. They go upstream one at a time,
in this order, and may still change. The number at the end of a line
is how many files in rpython/ fail to parse on Python 3 after that
part (221 on main).
2 pairtype: skip names Python 3 adds to class namespaces 221
https://github.com/RonnyPfannschmidt/pypy/pull/3
3 tuple parameters in def and lambda 176
https://github.com/RonnyPfannschmidt/pypy/pull/4
4 0o octal literals 155
https://github.com/RonnyPfannschmidt/pypy/pull/5
5 no L suffix 141
https://github.com/RonnyPfannschmidt/pypy/pull/6
6 exec() call form 134
https://github.com/RonnyPfannschmidt/pypy/pull/7
7 three-argument raise via rpython/tool/twothree.py 129
https://github.com/RonnyPfannschmidt/pypy/pull/8
8 backticks, has_key, ur"", bare tuples in comprehensions 127
https://github.com/RonnyPfannschmidt/pypy/pull/9
9 print function 9
https://github.com/RonnyPfannschmidt/pypy/pull/10
10 trailing-comma prints, converted by hand 0
https://github.com/RonnyPfannschmidt/pypy/pull/11
11 AssertionError subclasses and remove_asserts (changes
behaviour, so kept apart from the syntax parts)
https://github.com/RonnyPfannschmidt/pypy/pull/12
12 test fixes that work on pytest 2.9.2 and 4.6 alike
https://github.com/RonnyPfannschmidt/pypy/pull/13
Parts 1 to 11 were run together in the CI container under the vendored
pytest, with results identical to main apart from the moved and added
tests. Each part will get the full CI once it is upstream.
Held back, not proposed yet:
13 testrunner/podman.sh: run the suite locally in the CI image
https://github.com/RonnyPfannschmidt/pypy/pull/14
14 drop the vendored pytest for 4.6.11 (touches pypy/, overlaps
with https://github.com/pypy/pypy/pull/5595)
https://github.com/RonnyPfannschmidt/pypy/pull/15
15 assertion rewriting with cot-assert
https://github.com/RonnyPfannschmidt/pypy/pull/16
image side: https://github.com/pypy/pypy-ci/pull/5
The whole stack as one branch, with the background:
https://github.com/RonnyPfannschmidt/pypy/pull/1
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