mbutil: drop nose dependency

pkgs/applications/misc/mbutil/default.nix

@@ -1,25 +1,36 @@
-{ lib, buildPythonApplication, fetchFromGitHub, nose }:
+{
+  lib,
+  buildPythonApplication,
+  fetchFromGitHub,
+  setuptools,
+  pytestCheckHook,
+}:
 
 buildPythonApplication rec {
   pname = "mbutil";
   version = "0.3.0";
+  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "mapbox";
-    repo = pname;
-    rev = "v${version}";
-    sha256 = "06d62r89h026asaa4ryzb23m86j0cmbvy54kf4zl5f35sgiha45z";
+    repo = "mbutil";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-vxAF49NluEI/cZMUv1dlQBpUh1jfZ6KUVkYAmFAWphk=";
   };
 
-  nativeCheckInputs = [ nose ];
-  checkPhase = "nosetests";
+  patches = [ ./migrate_to_pytest.patch ];
 
-  meta = with lib; {
+  build-system = [ setuptools ];
+
+  nativeCheckInputs = [ pytestCheckHook ];
+  pytestFlagsArray = [ "test/test.py" ];
+
+  meta = {
     description = "Importer and exporter for MBTiles";
     mainProgram = "mb-util";
     homepage = "https://github.com/mapbox/mbutil";
-    license = licenses.bsd3;
-    platforms = platforms.unix;
-    maintainers = with maintainers; [ sikmir ];
+    license = lib.licenses.bsd3;
+    platforms = lib.platforms.unix;
+    maintainers = with lib.maintainers; [ sikmir ];
   };
 }

pkgs/applications/misc/mbutil/migrate_to_pytest.patch

@@ -0,0 +1,30 @@
+diff --git a/test/test.py b/test/test.py
+index e02e259..1452fda 100644
+--- a/test/test.py
++++ b/test/test.py
+@@ -1,13 +1,24 @@
+ import os, shutil
+ import sys
+ import json
+-from nose import with_setup
+ from mbutil import mbtiles_to_disk, disk_to_mbtiles
+
+ def clear_data():
+     try: shutil.rmtree('test/output')
+     except Exception: pass
+
++
++def with_setup(setup_func, teardown_func):
++    def wrapper(func):
++        def wrapped(*args, **kwargs):
++            setup_func()
++            func(*args, **kwargs)
++            teardown_func()
++
++        return wrapped
++    return wrapper
++
++
+ @with_setup(clear_data, clear_data)
+ def test_mbtiles_to_disk():
+     mbtiles_to_disk('test/data/one_tile.mbtiles', 'test/output')