python314Packages.dlib: fix build after dlib 20.0.1 bump (#554373)

pkgs/by-name/dl/dlib/package.nix

@@ -17,6 +17,7 @@
   avxSupport ? stdenv.hostPlatform.avxSupport,
   cudaSupport ? config.cudaSupport,
   cudaPackages,
+  python3Packages,
 }@inputs:
 (if cudaSupport then cudaPackages.backendStdenv else inputs.stdenv).mkDerivation rec {
   pname = "dlib";
@@ -81,6 +82,9 @@
   );
 
   passthru = {
+    tests = {
+      python-dlib = python3Packages.dlib;
+    };
     inherit
       cudaSupport
       cudaPackages

pkgs/development/python-modules/dlib/build-cores.patch

@@ -1,8 +1,8 @@
 diff --git a/setup.py b/setup.py
-index 219583b..3ca5f88 100644
+index 59b65a62..363c9e56 100644
 --- a/setup.py
 +++ b/setup.py
-@@ -170,23 +170,7 @@ class CMakeBuild(build_ext):
+@@ -217,23 +217,7 @@ def build_extension(self, ext):
          subprocess.check_call(cmake_build, cwd=build_folder)
  
  def num_available_cpu_cores(ram_per_build_process_in_gb):
@@ -13,9 +13,9 @@ index 219583b..3ca5f88 100644
 -    elif 'CMAKE_BUILD_PARALLEL_LEVEL' in os.environ and os.environ['CMAKE_BUILD_PARALLEL_LEVEL'].isnumeric():
 -        return int(os.environ['CMAKE_BUILD_PARALLEL_LEVEL'])
 -    try:
--        mem_bytes = os.sysconf('SC_PAGE_SIZE') * os.sysconf('SC_PHYS_PAGES')  
+-        mem_bytes = os.sysconf('SC_PAGE_SIZE') * os.sysconf('SC_PHYS_PAGES')
 -        mem_gib = mem_bytes/(1024.**3)
--        num_cores = multiprocessing.cpu_count() 
+-        num_cores = multiprocessing.cpu_count()
 -        # make sure we have enough ram for each build process.
 -        mem_cores = int(floor(mem_gib/float(ram_per_build_process_in_gb)+0.5));
 -        # We are limited either by RAM or CPU cores.  So pick the limiting amount
@@ -26,4 +26,4 @@ index 219583b..3ca5f88 100644
 +    return os.getenv("NIX_BUILD_CORES", 1)
  
  
- from setuptools.command.test import test as TestCommand
+ def read_version_from_cmakelists(cmake_file):

pkgs/development/python-modules/dlib/default.nix

@@ -1,8 +1,9 @@
 {
   buildPythonPackage,
+  cmake,
   dlib,
   pytestCheckHook,
-  more-itertools,
+  setuptools,
 }:
 
 buildPythonPackage.override { inherit (dlib) stdenv; } {
@@ -17,21 +18,14 @@ buildPythonPackage.override { inherit (dlib) stdenv; } {
     meta
     ;
 
-  format = "setuptools";
-
   patches = [ ./build-cores.patch ];
 
-  nativeCheckInputs = [
-    pytestCheckHook
-    more-itertools
+  pyproject = true;
+  build-system = [
+    cmake
+    setuptools
   ];
 
-  postPatch = ''
-    substituteInPlace setup.py \
-      --replace "more-itertools<6.0.0" "more-itertools" \
-      --replace "pytest==3.8" "pytest"
-  '';
-
   # Pass CMake flags through to the build script
   preConfigure = ''
     for flag in $cmakeFlags; do
@@ -43,6 +37,10 @@ buildPythonPackage.override { inherit (dlib) stdenv; } {
 
   dontUseCmakeConfigure = true;
 
+  nativeCheckInputs = [
+    pytestCheckHook
+  ];
+
   doCheck =
     !(
       # The tests attempt to use CUDA on the build platform.