From 8c93a6473dbe5fb1f2b9c3b2e2f759e33092cc23 Mon Sep 17 00:00:00 2001
From: mjallen18 <matt.l.jallen@gmail.com>
Date: Mon, 16 Mar 2026 17:03:19 -0500
Subject: [PATCH] nuc

---
 .../services/esphome/default.nix              |  4 +--
 packages/python/fatfs/default.nix             | 31 +++++++++++++++++++
 2 files changed, 33 insertions(+), 2 deletions(-)
 create mode 100644 packages/python/fatfs/default.nix

diff --git a/modules/nixos/homeassistant/services/esphome/default.nix b/modules/nixos/homeassistant/services/esphome/default.nix
index 4cf899a..63d9d27 100644
--- a/modules/nixos/homeassistant/services/esphome/default.nix
+++ b/modules/nixos/homeassistant/services/esphome/default.nix
@@ -9,12 +9,12 @@ with lib;
 let
   cfg = config.${namespace}.services.home-assistant;
 
-  # ESPHome with littlefs-python and pyfatfs added to PYTHONPATH so PlatformIO's
+  # ESPHome with littlefs-python and fatfs added to PYTHONPATH so PlatformIO's
   # espressif32 platform builder can import them (needed for LittleFS/FAT support).
   esphomeWithLittlefs = pkgs.esphome.overridePythonAttrs (oldAttrs: {
     makeWrapperArgs = (oldAttrs.makeWrapperArgs or [ ]) ++ [
       "--prefix PYTHONPATH : ${pkgs.${namespace}.littlefs-python}/${pkgs.python3.sitePackages}"
-      "--prefix PYTHONPATH : ${pkgs.python3Packages.pyfatfs}/${pkgs.python3.sitePackages}"
+      "--prefix PYTHONPATH : ${pkgs.${namespace}.fatfs}/${pkgs.python3.sitePackages}"
     ];
   });
 in
diff --git a/packages/python/fatfs/default.nix b/packages/python/fatfs/default.nix
new file mode 100644
index 0000000..16271b7
--- /dev/null
+++ b/packages/python/fatfs/default.nix
@@ -0,0 +1,31 @@
+{
+  lib,
+  python3Packages,
+}:
+
+python3Packages.buildPythonPackage rec {
+  pname = "fatfs";
+  version = "0.1.2";
+  pyproject = false;
+
+  src = python3Packages.fetchPypi {
+    inherit pname version;
+    hash = "sha256-VrnL2a2qq/tg9sRTKO+vlvQKMjNT3K2sm/B5UAYdqqA=";
+  };
+
+  build-system = with python3Packages; [
+    setuptools
+    cython
+  ];
+
+  doCheck = false;
+
+  pythonImportsCheck = [ "fatfs" ];
+
+  meta = with lib; {
+    description = "Python bindings for ChaN's FatFS, the generic FAT/exFAT filesystem module";
+    homepage = "https://pypi.org/project/fatfs/";
+    license = licenses.mit;
+    maintainers = [ ];
+  };
+}