From 2f48033f2560e4ff2c8b14227a0c4b4747c0a06f Mon Sep 17 00:00:00 2001
From: Philipp Arras <c@philipp-arras.de>
Date: Tue, 10 May 2022 18:07:38 +0200
Subject: [PATCH 1/2] maintainers: add parras

---
 maintainers/maintainer-list.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 4b79597ae68..6ab9e37f8ad 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -9592,6 +9592,12 @@
     githubId = 14935550;
     name = "Brad Pfannmuller";
   };
+  parras = {
+    email = "c@philipp-arras.de";
+    github = "phiadaarr";
+    githubId = 33826198;
+    name = "Philipp Arras";
+  };
   pashashocky = {
     email = "pashashocky@gmail.com";
     github = "pashashocky";

From 47055affcb95053bb9458d08ec20e694f056cef4 Mon Sep 17 00:00:00 2001
From: Philipp Arras <c@philipp-arras.de>
Date: Tue, 10 May 2022 18:07:04 +0200
Subject: [PATCH 2/2] python3Packages.ducc0: init at 0.23.0

---
 .../python-modules/ducc0/default.nix          | 30 +++++++++++++++++++
 pkgs/top-level/python-packages.nix            |  2 ++
 2 files changed, 32 insertions(+)
 create mode 100644 pkgs/development/python-modules/ducc0/default.nix

diff --git a/pkgs/development/python-modules/ducc0/default.nix b/pkgs/development/python-modules/ducc0/default.nix
new file mode 100644
index 00000000000..6b84db43d4d
--- /dev/null
+++ b/pkgs/development/python-modules/ducc0/default.nix
@@ -0,0 +1,30 @@
+{ lib, buildPythonPackage, fetchFromGitLab, pythonOlder, pytestCheckHook, pybind11, numpy }:
+
+buildPythonPackage rec {
+  pname = "ducc0";
+  version = "0.23.0";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitLab {
+    domain = "gitlab.mpcdf.mpg.de";
+    owner = "mtr";
+    repo = "ducc";
+    rev = "ducc0_${lib.replaceStrings ["."] ["_"] version}";
+    sha256 = "dOc3TihtoRuLfniC9zQ1MEbnvGJHzFZfZ8+J8Dnw6Lk=";
+  };
+
+  buildInputs = [ pybind11 ];
+  propagatedBuildInputs = [ numpy ];
+
+  checkInputs = [ pytestCheckHook ];
+  pytestFlagsArray = [ "python/test" ];
+  pythonImportsCheck = [ "ducc0" ];
+
+  meta = with lib; {
+    homepage = "https://gitlab.mpcdf.mpg.de/mtr/ducc";
+    description = "Efficient algorithms for Fast Fourier transforms and more";
+    license = licenses.gpl2Plus;
+    maintainers = with maintainers; [ parras ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index d6bd5ee8e9a..1fb7d402f98 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -2514,6 +2514,8 @@ in {
 
   dtlssocket = callPackage ../development/python-modules/dtlssocket { };
 
+  ducc0 = callPackage ../development/python-modules/ducc0 { };
+
   duckdb = callPackage ../development/python-modules/duckdb {
     inherit (pkgs) duckdb;
   };