From 85416f746581da86165a843a91d3b05ee1fb42e5 Mon Sep 17 00:00:00 2001
From: Leona Maroni <dev@leona.is>
Date: Fri, 3 Jul 2026 22:25:01 +0200
Subject: [PATCH] python3{13,14}Packages.xarray: fix build with numpy => 2.5.0

---
 .../python-modules/xarray/default.nix           | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/pkgs/development/python-modules/xarray/default.nix b/pkgs/development/python-modules/xarray/default.nix
index b0e9e537cd56..d9f1f5464274 100644
--- a/pkgs/development/python-modules/xarray/default.nix
+++ b/pkgs/development/python-modules/xarray/default.nix
@@ -2,6 +2,7 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
+  fetchpatch,
 
   # build-system
   setuptools,
@@ -51,6 +52,22 @@ buildPythonPackage (finalAttrs: {
     hash = "sha256-BsgL+Xo9fTMLLdz5AfScnKGuBa76cE85LuUzB4ZNLiY=";
   };
 
+  patches = [
+    # Performance fix
+    (fetchpatch {
+      url = "https://github.com/pydata/xarray/commit/b8bfeca3275045ca82adc3401c38444b1ed12c4a.patch";
+      hash = "sha256-KzN45MqOBPMNEmoG+rb3iwrk/7XFLlTNktQf5uYBWNo=";
+    })
+    # Fix tests with numpy >= 2.5.0
+    (fetchpatch {
+      url = "https://github.com/pydata/xarray/commit/c3a398e856f7fcff1c18bc72bfd1ab9c64d5a2e7.patch";
+      excludes = [
+        "doc/whats-new.rst"
+      ];
+      hash = "sha256-TakZ9RrJHeRksT3oBe7AKyfrjZeZ4oSmbE8axh7EmGg=";
+    })
+  ];
+
   postPatch = ''
     # don't depend on pytest-mypy-plugins
     sed -i "/--mypy-/d" pyproject.toml