From 5387e6aae7c53a5c023d8b2ac7c3acb0bc8f9990 Mon Sep 17 00:00:00 2001
From: Jeff Shelton <jeff@shelton.one>
Date: Fri, 23 Jan 2026 12:15:21 -0500
Subject: [PATCH 1/2] maintainers: add jeffcshelton

---
 maintainers/maintainer-list.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 8c830f754dd0..641a9b6bd22d 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -12054,6 +12054,11 @@
     githubId = 1198065;
     name = "Jeffrey David Johnson";
   };
+  jeffcshelton = {
+    github = "jeffcshelton";
+    githubId = 77426854;
+    name = "Jeff Shelton";
+  };
   jefferyoo = {
     email = "oojefferywm@proton.me";
     github = "jefferyoo";

From d05b736694cb276364bcc562ad3e386c3c41eac7 Mon Sep 17 00:00:00 2001
From: Jeff Shelton <jeff@shelton.one>
Date: Fri, 23 Jan 2026 12:15:34 -0500
Subject: [PATCH 2/2] python3Packages.lpips: init at 0.1.4

---
 .../python-modules/lpips/default.nix          | 49 +++++++++++++++++++
 pkgs/top-level/python-packages.nix            |  2 +
 2 files changed, 51 insertions(+)
 create mode 100644 pkgs/development/python-modules/lpips/default.nix

diff --git a/pkgs/development/python-modules/lpips/default.nix b/pkgs/development/python-modules/lpips/default.nix
new file mode 100644
index 000000000000..5e52af91d503
--- /dev/null
+++ b/pkgs/development/python-modules/lpips/default.nix
@@ -0,0 +1,49 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+  numpy,
+  scipy,
+  setuptools,
+  torch,
+  torchvision,
+  tqdm,
+}:
+
+buildPythonPackage (finalAttrs: {
+  pname = "lpips";
+  version = "0.1.4";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "richzhang";
+    repo = "PerceptualSimilarity";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-dIQ9B/HV/2kUnXLXNxAZKHmv/Xv37kl2n6+8IfwIALE=";
+  };
+
+  build-system = [
+    setuptools
+  ];
+
+  dependencies = [
+    numpy
+    scipy
+    torch
+    torchvision
+    tqdm
+  ];
+
+  # Tests require network access to download pretrained models.
+  doCheck = false;
+
+  pythonImportsCheck = [ "lpips" ];
+
+  meta = {
+    description = "Learned Perceptual Image Patch Similarity metric";
+    homepage = "https://github.com/richzhang/PerceptualSimilarity";
+    changelog = "https://github.com/richzhang/PerceptualSimilarity/releases/tag/${finalAttrs.src.tag}";
+    license = lib.licenses.bsd2;
+    maintainers = with lib.maintainers; [ jeffcshelton ];
+  };
+})
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index c95665f430a5..4f81a73c6d9f 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -9176,6 +9176,8 @@ self: super: with self; {
 
   lpc-checksum = callPackage ../development/python-modules/lpc-checksum { };
 
+  lpips = callPackage ../development/python-modules/lpips { };
+
   lrcalc-python = callPackage ../development/python-modules/lrcalc-python { };
 
   lrclibapi = callPackage ../development/python-modules/lrclibapi { };