From bd25053bf28eab9423844438c6b4ec9ad1aea2ab Mon Sep 17 00:00:00 2001
From: Alessandro Candido <candido.ale@gmail.com>
Date: Wed, 24 Apr 2024 14:48:20 +0200
Subject: [PATCH] build: Start defining the Python package

---
 flake.nix | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/flake.nix b/flake.nix
index f5c9b1fb..94631836 100644
--- a/flake.nix
+++ b/flake.nix
@@ -74,7 +74,25 @@
         }
       );
       # TODO: build with maturin
-      py = null;
+      py =
+        (craneLib.buildPackage (commonArgs
+          // {
+            pname = "pineappl-py";
+            inherit cargoArtifacts;
+          }))
+        .overrideAttrs (old: {
+          nativeBuildInputs = old.nativeBuildInputs ++ [pkgs.maturin];
+          buildPhase =
+            old.buildPhase
+            + ''
+              maturin build --offline --target-dir ./target
+            '';
+          installPhase =
+            old.installPhase
+            + ''
+              cp target/wheels/pineappl $out/
+            '';
+        });
     in
       {
         packages = {