From d0e4a4b1df9ed9672143c025e0102f0352c540ee Mon Sep 17 00:00:00 2001
From: ConstantConstantin <paul.hertel@aol.de>
Date: Tue, 31 Mar 2026 15:41:25 +0200
Subject: [PATCH] python3Packages.spectral-derivatives: init at 0.10

Initial packaging of spectral-derivatives.

Python library for computing spectral derivatives using Chebyshev, Fourier and Legendre.
Fetched from GitHub since PyPI source does not contain tests.
---
 .../spectral-derivatives/default.nix          | 48 +++++++++++++++++++
 pkgs/top-level/python-packages.nix            |  2 +
 2 files changed, 50 insertions(+)
 create mode 100644 pkgs/development/python-modules/spectral-derivatives/default.nix

diff --git a/pkgs/development/python-modules/spectral-derivatives/default.nix b/pkgs/development/python-modules/spectral-derivatives/default.nix
new file mode 100644
index 000000000000..c29fa4892db4
--- /dev/null
+++ b/pkgs/development/python-modules/spectral-derivatives/default.nix
@@ -0,0 +1,48 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+
+  # build-system
+  setuptools,
+
+  # dependencies
+  numpy,
+  scipy,
+  matplotlib,
+
+  # tests
+  pytestCheckHook,
+}:
+
+buildPythonPackage rec {
+  pname = "spectral_derivatives";
+  version = "0.10";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "pavelkomarov";
+    repo = "spectral-derivatives";
+    tag = "v${version}";
+    hash = "sha256-KSx3aW2DgVr1nhtGqIO85s6c5p+1rjnrpMY4e63LLiE=";
+  };
+
+  build-system = [ setuptools ];
+
+  dependencies = [
+    numpy
+    scipy
+    matplotlib
+  ];
+
+  nativeCheckInputs = [ pytestCheckHook ];
+
+  pythonImportsCheck = [ "specderiv" ];
+
+  meta = {
+    description = "Derivatives by spectral methods";
+    license = lib.licenses.bsd3;
+    homepage = "https://pavelkomarov.com/spectral-derivatives/specderiv.html";
+    maintainers = with lib.maintainers; [ conny ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index c7dab8f398c4..71d5586068b7 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -18090,6 +18090,8 @@ self: super: with self; {
 
   spectral-cube = callPackage ../development/python-modules/spectral-cube { };
 
+  spectral-derivatives = callPackage ../development/python-modules/spectral-derivatives { };
+
   speechbrain = callPackage ../development/python-modules/speechbrain { };
 
   speechrecognition = callPackage ../development/python-modules/speechrecognition { };