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lib.pypa: Use passthru.pythonABITags #383

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Merged
merged 1 commit into from
Oct 6, 2025
+31 −28
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lib.pypa: Use passthru.pythonABITags #383

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59 changes: 31 additions & 28 deletions lib/pypa.nix
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Original file line number Diff line number Diff line change
Expand Up @@ -216,35 +216,38 @@ lib.fix (self: {
# Python interpreter derivation
python:
let
inherit (python.passthru) sourceVersion implementation pythonVersion;

# TODO: Implement ABI tags in the nixpkgs Python derivation.
#
# This isn't strictly correct in the face of things like Python free-threading
# which has a `t` suffix but there is no way right now to introspect & check
# if the GIL is enabled or not.
#
# So a free-threaded build will erroneously be returned as compatible with
# regular CPython wheels.
abiTags =
if implementation == "cpython" then
[
"none"
"any"
"abi3"
"cp${sourceVersion.major}${sourceVersion.minor}"
]
else if implementation == "pypy" then
[
"none"
"any"
"pypy${concatStrings (take 2 (splitString "." pythonVersion))}_pp${sourceVersion.major}${sourceVersion.minor}"
]
else
[
"none"
"any"
];
python.passthru.pythonABITags or (
# Fall back to computing an ABI tag.
#
# This isn't strictly correct in the face of things like Python free-threading
# which has a `t` suffix but there is no way right now to introspect & check
# if the GIL is enabled or not.
#
# So a free-threaded build will erroneously be returned as compatible with
# regular CPython wheels.
let
inherit (python.passthru) sourceVersion implementation pythonVersion;
in
if implementation == "cpython" then
[
"none"
"any"
"abi3"
"cp${sourceVersion.major}${sourceVersion.minor}"
]
else if implementation == "pypy" then
[
"none"
"any"
"pypy${concatStrings (take 2 (splitString "." pythonVersion))}_pp${sourceVersion.major}${sourceVersion.minor}"
]
else
[
"none"
"any"
]
);
in
tag: elem tag abiTags;

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