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I think the list is missing some important platforms which we do support (looking at configure):
- Linux on 32-bit ARM platforms, e.g. for Raspberry Pis
- Linux on Android
- AIX
- Cygwin
- NetBSD/OpenBSD
- musl instead of glibc for Linux, e.g. for Alpine images
In general, I believe we should add a 4th tier for platforms supported by interested parties outside the core team. Those would be supported on a best effort basis by the parties and we'd point to the teams for support. Some of the above platforms would likely have to go into this tier.
It would also be nice to add a column to the table which shows the platforms for which binaries are built during the release and which are source only. At the moment, only Windows and macOS platforms have official binaries.
On 11.03.2022 00:35, Brett Cannon wrote:
I brought this up on python-dev at https://mail.python.org/archives/list/python-dev@python.org/thread/ZPBSHENP3... , and the feedback seemed supportive. As such, I am bringing a draft of what I'm thinking will go into PEP 11 with a bunch of
XXX
placeholders for people to help me fill in to see how this will look overall.For any platform(s) you support, please reply with any relevant details that should be added to the relevant tables below. Once I have these details I will loop back with the proposed update to PEP 11 and make sure everyone is still on board with the proposal.
===== Tiers
Tier 1
Test suite failures <https://github.com/python/cpython/actions/workflows/build.yml?query=branch%3Amain+is%3Acompleted>
__ block releases.- Changes which would break the
main
branch are not allowed to be merged; any breakage may be reverted immediately.- All core developers are responsible to keep these platforms working.
- Promotion of this tier requires consensus/SC approval.
=================== ===== Target Triple Notes =================== ===== i686-windows-msvc x86_64-windows-msvc x86_64-apple-darwin macOS 11 x86_64-linux-gnu glibc 2.31 |ubuntu-20_01|_ =================== =====
.. [ubuntu-20_01] https://launchpad.net/ubuntu/+source/glibc/2.31-0ubuntu9.4
Tier 2
- Must have a stable buildbot.
- At least **two** core developers are signed up to support the platform.
- Changes which break any of these platforms are to be reverted within 24 hours.
- Failures of these platforms block a release.
- Promotion of this tier requires consensus/SC approval.
====================== ========================== ============================================== ======== Target Triple Notes Buildbot Contacts ====================== ========================== ============================================== ======== aarch64-apple-darwin XXX https://buildbot.python.org/all/#/builders/725 XXX aarch64-linux-gnu glibc XXX [fedora-stable]_ https://buildbot.python.org/all/#/builders/125 XXX glibc 2.28 [RHEL8]_ https://buildbot.python.org/all/#/builders/529 XXX aarch64-windows-msvc XXX https://buildbot.python.org/all/#/builders/729 XXX powerpc64-linux-gnu glibc XXX https://buildbot.python.org/all/#/builders/237 XXX powerpcle-linux-gnu glibc XXX https://buildbot.python.org/all/#/builders/90 XXX s309x-linux-gnu glibc XXX https://buildbot.python.org/all/#/builders/223 XXX glibc 2.28 [RHEL8]_ https://buildbot.python.org/all/#/builders/509 XXX glibc 2.17 [RHEL7]_ https://buildbot.python.org/all/#/builders/179 XXX x86_64-linux-gnu glibc 2.17 [RHEL7]_ https://buildbot.python.org/all/#/builders/15 XXX x86_64-unknown-freebsd XXX https://buildbot.python.org/all/#/builders/172 XXX ====================== ========================== ============================================== ========
.. [fedora-stable] XXX .. [RHEL8] https://en.wikipedia.org/wiki/Red_Hat_Enterprise_Linux#RHEL_8 .. [RHEL7] https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/htm...
Tier 3
- Must have a stable buildbot.
- Code may be checked into
main
for the platform.- At least **one** core developer is signed up to support the platform.
- Test failures do **not** block releases.
- Promotion to this tier is self-service.
========================= ========================== ============================================== ======== Target Triple Notes Buildbot Contacts ========================= ========================== ============================================== ======== wasm32-unknown-emscripten XXX XXX Brett Cannon, Christian Heimes wasm32-unknown-wasi XXX XXX Brett Cannon, Christian Heimes ========================= ========================== ============================================== ========
All other platforms
- Only code which either supports a higher-tier platform or is a general improvement may be checked in.
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