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PEP 425: match versions more loosely

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