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PEP 425: match versions more loosely

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Version specifiers are for lower bounds for required interpreter version
This commit is contained in:
László Vaskó 2022-09-08 20:22:15 +02:00 • committed by adisbladis
parent 2de794a0df
commit d8a6e25608
1 changed files with 21 additions and 14 deletions
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33
pep425.nix
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@ -3,18 +3,15 @@ let
inherit (lib.strings) escapeRegex hasPrefix hasSuffix hasInfix splitString removePrefix removeSuffix;
targetMachine = poetryLib.getTargetMachine stdenv;
# The 'cpxy" as determined by `python.version`
#
# e.g "2.7.17" -> "cp27"
# "3.5.9" -> "cp35"
pythonTag =
pythonVer =
let
ver = builtins.splitVersion python.version;
major = builtins.elemAt ver 0;
minor = builtins.elemAt ver 1;
tags = [ "cp" "py" ];
in
"cp${major}${minor}";
abiTag = "${pythonTag}m";
{ inherit major minor tags; };
abiTag = "cp${pythonVer.major}${pythonVer.minor}m";
#
# Parses wheel file returning an attribute set
@ -50,14 +47,24 @@ let
then [ ]
else (builtins.filter (x: hasInfix v x.file) candidates) ++ (findBestMatches vs candidates);
# pyver = "cpXX"
# x = "cpXX" | "py2" | "py3" | "py2.py3"
isPyVersionCompatible = pyver: x:
isPyVersionCompatible = pyver@{ major, minor, tags }: x:
let
normalize = y: ''cp${removePrefix "cp" (removePrefix "py" y)}'';
isCompat = p: x: hasPrefix (normalize x) p;
isCompat = m:
builtins.elem m.tag tags
&& m.major == major
&& builtins.compareVersions minor m.minor >= 0;
parseMarker = v:
let
tag = builtins.substring 0 2 v;
major = builtins.substring 2 1 v;
end = builtins.substring 3 3 v;
minor = if builtins.stringLength end > 0 then end else "0";
in
lib.lists.any (isCompat pyver) (splitString "." x);
{ inherit major minor tag; };
markers = splitString "." x;
in
lib.lists.any isCompat (map parseMarker markers);
#
# Selects the best matching wheel file from a list of files
@ -95,7 +102,7 @@ let
let
f = toWheelAttrs x.file;
in
(withPython pythonTag abiTag f) && (withPlatforms f);
(withPython pythonVer abiTag f) && (withPlatforms f);
filtered = builtins.filter filterWheel filesWithoutSources;
choose = files:
let