1 files changed, 30 insertions, 36 deletions

diff --git a/pkgs/development/tools/poetry2nix/poetry2nix/pep425.nix b/pkgs/development/tools/poetry2nix/poetry2nix/pep425.nix
index cda4e8c78d4..496c4ff1581 100644
--- a/pkgs/development/tools/poetry2nix/poetry2nix/pep425.nix
+++ b/pkgs/development/tools/poetry2nix/poetry2nix/pep425.nix
@@ -12,8 +12,7 @@ let
       major = builtins.elemAt ver 0;
       minor = builtins.elemAt ver 1;
     in
-      "cp${major}${minor}";
-
+    "cp${major}${minor}";
   abiTag = "${pythonTag}m";
 
   #
@@ -24,13 +23,13 @@ let
       entries = splitString "-" str;
       p = removeSuffix ".whl" (builtins.elemAt entries 4);
     in
-      {
-        pkgName = builtins.elemAt entries 0;
-        pkgVer = builtins.elemAt entries 1;
-        pyVer = builtins.elemAt entries 2;
-        abi = builtins.elemAt entries 3;
-        platform = p;
-      };
+    {
+      pkgName = builtins.elemAt entries 0;
+      pkgVer = builtins.elemAt entries 1;
+      pyVer = builtins.elemAt entries 2;
+      abi = builtins.elemAt entries 3;
+      platform = p;
+    };
 
   #
   # Builds list of acceptable osx wheel files
@@ -42,9 +41,9 @@ let
       v = lib.lists.head versions;
       vs = lib.lists.tail versions;
     in
-      if (builtins.length versions == 0)
-      then []
-      else (builtins.filter (x: hasInfix v x.file) candidates) ++ (findBestMatches vs candidates);
+    if (builtins.length versions == 0)
+    then [ ]
+    else (builtins.filter (x: hasInfix v x.file) candidates) ++ (findBestMatches vs candidates);
 
   # pyver = "cpXX"
   # x     = "cpXX" | "py2" | "py3" | "py2.py3"
@@ -53,7 +52,7 @@ let
       normalize = y: ''cp${lib.strings.removePrefix "cp" (lib.strings.removePrefix "py" y)}'';
       isCompat = p: x: lib.strings.hasPrefix (normalize x) p;
     in
-      lib.lists.any (isCompat pyver) (lib.strings.splitString "." x);
+    lib.lists.any (isCompat pyver) (lib.strings.splitString "." x);
 
   #
   # Selects the best matching wheel file from a list of files
@@ -61,42 +60,37 @@ let
   selectWheel = files:
     let
       filesWithoutSources = (builtins.filter (x: hasSuffix ".whl" x.file) files);
-
       isPyAbiCompatible = pyabi: x: x == "none" || pyabi == x;
-
       withPython = ver: abi: x: (isPyVersionCompatible ver x.pyVer) && (isPyAbiCompatible abi x.abi);
-
-      withPlatform = if isLinux
-      then (
-        x: x.platform == "manylinux1_${stdenv.platform.kernelArch}"
-        || x.platform == "manylinux2010_${stdenv.platform.kernelArch}"
-        || x.platform == "manylinux2014_${stdenv.platform.kernelArch}"
-        || x.platform == "any"
-      )
-      else (x: hasInfix "macosx" x.platform || x.platform == "any");
-
+      withPlatform =
+        if isLinux
+        then (
+          x: x.platform == "manylinux1_${stdenv.platform.kernelArch}"
+            || x.platform == "manylinux2010_${stdenv.platform.kernelArch}"
+            || x.platform == "manylinux2014_${stdenv.platform.kernelArch}"
+            || x.platform == "any"
+        )
+        else (x: hasInfix "macosx" x.platform || x.platform == "any");
       filterWheel = x:
         let
           f = toWheelAttrs x.file;
         in
-          (withPython pythonTag abiTag f) && (withPlatform f);
-
+        (withPython pythonTag abiTag f) && (withPlatform f);
       filtered = builtins.filter filterWheel filesWithoutSources;
-
       choose = files:
         let
           osxMatches = [ "10_12" "10_11" "10_10" "10_9" "any" ];
           linuxMatches = [ "manylinux1_" "manylinux2010_" "manylinux2014_" "any" ];
-          chooseLinux = x: lib.singleton (builtins.head (findBestMatches linuxMatches x));
-          chooseOSX = x: lib.singleton (builtins.head (findBestMatches osxMatches x));
+          chooseLinux = x: lib.take 1 (findBestMatches linuxMatches x);
+          chooseOSX = x: lib.take 1 (findBestMatches osxMatches x);
         in
-          if isLinux
-          then chooseLinux files
-          else chooseOSX files;
+        if isLinux
+        then chooseLinux files
+        else chooseOSX files;
     in
-      if (builtins.length filtered == 0)
-      then []
-      else choose (filtered);
+    if (builtins.length filtered == 0)
+    then [ ]
+    else choose (filtered);
 in
 {
   inherit selectWheel toWheelAttrs isPyVersionCompatible;