Fix cross compilation and add cross test

default.nix

@@ -9,13 +9,6 @@ let
 
   inherit (poetryLib) isCompatible readTOML moduleName;
 
-  /* The default list of poetry2nix override overlays */
-  mkEvalPep508 = import ./pep508.nix {
-    inherit lib poetryLib;
-    stdenv = pkgs.stdenv;
-  };
-  getFunctorFn = fn: if builtins.typeOf fn == "set" then fn.__functor else fn;
-
   # Map SPDX identifiers to license names
   spdxLicenses = lib.listToAttrs (lib.filter (pair: pair.name != null) (builtins.map (v: { name = if lib.hasAttr "spdxId" v then v.spdxId else null; value = v; }) (lib.attrValues lib.licenses)));
   # Get license by id falling back to input string
@@ -124,6 +117,13 @@ lib.makeScope pkgs.newScope (self: {
     , pyProject ? readTOML pyproject
     }@attrs:
     let
+      /* The default list of poetry2nix override overlays */
+      mkEvalPep508 = import ./pep508.nix {
+        inherit lib poetryLib;
+        inherit (python) stdenv;
+      };
+      getFunctorFn = fn: if builtins.typeOf fn == "set" then fn.__functor else fn;
+
       poetryPkg = poetry.override { inherit python; };
 
       scripts = pyProject.tool.poetry.scripts or { };
@@ -205,7 +205,7 @@ lib.makeScope pkgs.newScope (self: {
                 in
                 {
                   mkPoetryDep = self.callPackage ./mk-poetry-dep.nix {
-                    inherit pkgs lib python poetryLib evalPep508;
+                    inherit lib python poetryLib evalPep508;
                   };
 
                   # # Use poetry-core from the poetry build (pep517/518 build-system)

lib.nix

@@ -219,7 +219,8 @@ let
   };
 
   # Machine tag for our target platform (if available)
-  targetMachine = manyLinuxTargetMachines.${stdenv.targetPlatform.parsed.cpu.name} or null;
+  getTargetMachine = stdenv: manyLinuxTargetMachines.${stdenv.targetPlatform.parsed.cpu.name} or null;
+
 in
 {
   inherit
@@ -233,6 +234,6 @@ in
     cleanPythonSources
     moduleName
     getPythonVersion
-    targetMachine
+    getTargetMachine
     ;
 }

mk-poetry-dep.nix

@@ -1,5 +1,4 @@
 { autoPatchelfHook
-, pkgs
 , lib
 , python
 , buildPythonPackage
@@ -26,12 +25,11 @@ pythonPackages.callPackage
     , ...
     }@args:
     let
-      inherit (pkgs) stdenv;
+      inherit (python) stdenv;
       inherit (poetryLib) isCompatible getManyLinuxDeps fetchFromLegacy fetchFromPypi moduleName;
 
       inherit (import ./pep425.nix {
-        inherit lib poetryLib python;
-        inherit (pkgs) stdenv;
+        inherit lib poetryLib python stdenv;
       }) selectWheel
         ;
       fileCandidates =

overrides.nix

@@ -31,7 +31,7 @@ let
         drv.overridePythonAttrs
           (
             old: {
-              buildInputs = (old.buildInputs or [ ]) ++ [ poetryDrv ];
+              nativeBuildInputs = (old.nativeBuildInputs or [ ]) ++ [ poetryDrv ];
             }
           ) else drv
     );
@@ -175,7 +175,8 @@ in
     (
       super.cffi.overridePythonAttrs (
         old: {
-          buildInputs = (old.buildInputs or [ ]) ++ [ pkgs.libffi ];
+          nativeBuildInputs = old.nativeBuildInputs or [ ] ++ [ pkgs.pkg-config ];
+          buildInputs = old.buildInputs or [ ] ++ [ pkgs.libffi ];
         }
       )
     );
@@ -220,10 +221,11 @@ in
     old: {
       nativeBuildInputs = (old.nativeBuildInputs or [ ])
       ++ lib.optional (lib.versionAtLeast old.version "3.4") [ self.setuptools-rust ]
-      ++ lib.optional (stdenv.buildPlatform != stdenv.hostPlatform) self.python.pythonForBuild.pkgs.cffi
+      ++ lib.optional (!self.isPyPy) self.python.pythonForBuild.pkgs.cffi
       ++ lib.optional (lib.versionAtLeast old.version "3.5")
         (with pkgs.rustPlatform; [ cargoSetupHook rust.cargo rust.rustc ]);
       buildInputs = (old.buildInputs or [ ]) ++ [ pkgs.openssl ];
+      propagatedBuildInputs = old.propagatedBuildInputs or [ ] ++ [ self.cffi ];
     } // lib.optionalAttrs (lib.versionAtLeast old.version "3.4" && lib.versionOlder old.version "3.5") {
       CRYPTOGRAPHY_DONT_BUILD_RUST = "1";
     } // lib.optionalAttrs (lib.versionAtLeast old.version "35") rec {

pep425.nix

@@ -1,7 +1,7 @@
 { lib, stdenv, poetryLib, python, isLinux ? stdenv.isLinux }:
 let
   inherit (lib.strings) hasSuffix hasInfix splitString removeSuffix;
-  inherit (poetryLib) targetMachine;
+  targetMachine = poetryLib.getTargetMachine stdenv;
 
   # The 'cpxy" as determined by `python.version`
   #

pep508.nix

@@ -1,6 +1,8 @@
 { lib, stdenv, poetryLib }: python:
 let
-  inherit (poetryLib) ireplace targetMachine;
+  inherit (poetryLib) ireplace;
+
+  targetMachine = poetryLib.getTargetMachine stdenv;
 
   # Like builtins.substring but with stop being offset instead of length
   substr = start: stop: s: builtins.substring start (stop - start) s;

tests/default.nix

@@ -20,6 +20,7 @@ in
 builtins.removeAttrs
 {
   trivial = callTest ./trivial { };
+  trivial-cross = callTest ./trivial-cross { };
   legacy = callTest ./legacy { };
   composable-defaults = callTest ./composable-defaults { };
   override = callTest ./override-support { };

tests/trivial-cross/default.nix

@@ -0,0 +1,9 @@
+{ poetry2nix, pkgsCross }:
+
+let
+  pkgs = pkgsCross.aarch64-multiplatform;
+in
+pkgs.poetry2nix.mkPoetryApplication {
+  python = pkgs.python3;
+  projectDir = ./.;
+}

tests/trivial-cross/poetry.lock

@@ -0,0 +1,179 @@
+[[package]]
+name = "click"
+version = "8.0.3"
+description = "Composable command line interface toolkit"
+category = "main"
+optional = false
+python-versions = ">=3.6"
+
+[package.dependencies]
+colorama = {version = "*", markers = "platform_system == \"Windows\""}
+
+[[package]]
+name = "colorama"
+version = "0.4.4"
+description = "Cross-platform colored terminal text."
+category = "main"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+
+[[package]]
+name = "flask"
+version = "2.0.2"
+description = "A simple framework for building complex web applications."
+category = "main"
+optional = false
+python-versions = ">=3.6"
+
+[package.dependencies]
+click = ">=7.1.2"
+itsdangerous = ">=2.0"
+Jinja2 = ">=3.0"
+Werkzeug = ">=2.0"
+
+[package.extras]
+async = ["asgiref (>=3.2)"]
+dotenv = ["python-dotenv"]
+
+[[package]]
+name = "itsdangerous"
+version = "2.0.1"
+description = "Safely pass data to untrusted environments and back."
+category = "main"
+optional = false
+python-versions = ">=3.6"
+
+[[package]]
+name = "jinja2"
+version = "3.0.3"
+description = "A very fast and expressive template engine."
+category = "main"
+optional = false
+python-versions = ">=3.6"
+
+[package.dependencies]
+MarkupSafe = ">=2.0"
+
+[package.extras]
+i18n = ["Babel (>=2.7)"]
+
+[[package]]
+name = "markupsafe"
+version = "2.0.1"
+description = "Safely add untrusted strings to HTML/XML markup."
+category = "main"
+optional = false
+python-versions = ">=3.6"
+
+[[package]]
+name = "werkzeug"
+version = "2.0.2"
+description = "The comprehensive WSGI web application library."
+category = "main"
+optional = false
+python-versions = ">=3.6"
+
+[package.extras]
+watchdog = ["watchdog"]
+
+[metadata]
+lock-version = "1.1"
+python-versions = "^3.9"
+content-hash = "a9db3f746d6ef92ed51e0b6261ccc21753a7754c1c5cc4ceb1f9084b0f5a20ea"
+
+[metadata.files]
+click = [
+    {file = "click-8.0.3-py3-none-any.whl", hash = "sha256:353f466495adaeb40b6b5f592f9f91cb22372351c84caeb068132442a4518ef3"},
+    {file = "click-8.0.3.tar.gz", hash = "sha256:410e932b050f5eed773c4cda94de75971c89cdb3155a72a0831139a79e5ecb5b"},
+]
+colorama = [
+    {file = "colorama-0.4.4-py2.py3-none-any.whl", hash = "sha256:9f47eda37229f68eee03b24b9748937c7dc3868f906e8ba69fbcbdd3bc5dc3e2"},
+    {file = "colorama-0.4.4.tar.gz", hash = "sha256:5941b2b48a20143d2267e95b1c2a7603ce057ee39fd88e7329b0c292aa16869b"},
+]
+flask = [
+    {file = "Flask-2.0.2-py3-none-any.whl", hash = "sha256:cb90f62f1d8e4dc4621f52106613488b5ba826b2e1e10a33eac92f723093ab6a"},
+    {file = "Flask-2.0.2.tar.gz", hash = "sha256:7b2fb8e934ddd50731893bdcdb00fc8c0315916f9fcd50d22c7cc1a95ab634e2"},
+]
+itsdangerous = [
+    {file = "itsdangerous-2.0.1-py3-none-any.whl", hash = "sha256:5174094b9637652bdb841a3029700391451bd092ba3db90600dea710ba28e97c"},
+    {file = "itsdangerous-2.0.1.tar.gz", hash = "sha256:9e724d68fc22902a1435351f84c3fb8623f303fffcc566a4cb952df8c572cff0"},
+]
+jinja2 = [
+    {file = "Jinja2-3.0.3-py3-none-any.whl", hash = "sha256:077ce6014f7b40d03b47d1f1ca4b0fc8328a692bd284016f806ed0eaca390ad8"},
+    {file = "Jinja2-3.0.3.tar.gz", hash = "sha256:611bb273cd68f3b993fabdc4064fc858c5b47a973cb5aa7999ec1ba405c87cd7"},
+]
+markupsafe = [
+    {file = "MarkupSafe-2.0.1-cp310-cp310-macosx_10_9_universal2.whl", hash = "sha256:d8446c54dc28c01e5a2dbac5a25f071f6653e6e40f3a8818e8b45d790fe6ef53"},
+    {file = "MarkupSafe-2.0.1-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:36bc903cbb393720fad60fc28c10de6acf10dc6cc883f3e24ee4012371399a38"},
+    {file = "MarkupSafe-2.0.1-cp310-cp310-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:2d7d807855b419fc2ed3e631034685db6079889a1f01d5d9dac950f764da3dad"},
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+    {file = "MarkupSafe-2.0.1-cp310-cp310-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_12_x86_64.manylinux2010_x86_64.whl", hash = "sha256:168cd0a3642de83558a5153c8bd34f175a9a6e7f6dc6384b9655d2697312a646"},
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+werkzeug = [
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+]

tests/trivial-cross/pyproject.toml

@@ -0,0 +1,15 @@
+[tool.poetry]
+name = "trivial-cross"
+version = "0.1.0"
+description = ""
+authors = ["Your Name <you@example.com>"]
+
+[tool.poetry.dependencies]
+python = "^3.9"
+Flask = "^2.0.2"
+
+[tool.poetry.dev-dependencies]
+
+[build-system]
+requires = ["poetry-core>=1.0.0"]
+build-backend = "poetry.core.masonry.api"