fix: Python 3.12 compatibility

.github/workflows/tests.yml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest]
-        python-version: ['3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
 
     steps:
     - uses: actions/checkout@v1

src/qemu_runner/make_runner/make.py

@@ -6,7 +6,6 @@
 import zipimport
 from pathlib import Path
 from typing import IO, List, Any
-import pkg_resources
 
 from qemu_runner.layer_locator import load_layer
 import qemu_runner
@@ -19,9 +18,20 @@
 
 def load_layers_from_all_search_paths(layer_names: List[str]) -> List[str]:
     packages = ['qemu_runner']
-    for ep in pkg_resources.iter_entry_points('qemu_runner_layer_packages'):
-        ep: pkg_resources.EntryPoint
-        packages.append(ep.module_name)
+    try:
+        import pkg_resources
+        for ep in pkg_resources.iter_entry_points('qemu_runner_layer_packages'):
+            ep: pkg_resources.EntryPoint
+            packages.append(ep.module_name)
+
+        return [load_layer(layer, packages=packages) for layer in layer_names]
+    except ImportError:
+        import importlib.metadata
+
+        eps = importlib.metadata.entry_points(group='qemu_runner_layer_packages')
+
+        for ep in eps:
+            packages.append(ep.module_name)
 
     return [load_layer(layer, packages=packages) for layer in layer_names]
 

tests/test_venv.py

@@ -28,20 +28,7 @@ def install_script(builder: venv.EnvBuilder, context, name, url):
 
 
 def install_setuptools(builder: venv.EnvBuilder, context):
-    """
-    Install setuptools in the virtual environment.
-
-    :param context: The information for the virtual environment
-                    creation request being processed.
-    """
-    url = 'https://bitbucket.org/pypa/setuptools/downloads/ez_setup.py'
-    install_script(builder, context, 'setuptools', url)
-    # clear up the setuptools archive which gets downloaded
-    pred = lambda o: o.startswith('setuptools-') and o.endswith('.tar.gz')
-    files = filter(pred, os.listdir(context.bin_path))
-    for f in files:
-        f = os.path.join(context.bin_path, f)
-        os.unlink(f)
+   subprocess.run([context.env_exe, '-m', 'pip', 'install', 'setuptools'], check=True)
 
 
 @pytest.fixture()
@@ -56,7 +43,7 @@ def create_venv(venv_dir: Path):
     ctx = builder.ensure_directories(venv_dir)
     # builder.create_configuration(ctx)
     # builder.setup_python(ctx)
-    # install_setuptools(builder, ctx)
+    install_setuptools(builder, ctx)
     return Path(ctx.env_exe)
 
 

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 minversion = 3.4.0
-envlist = py38,py39,py310,py311
+envlist = py38,py39,py310,py311,py312
 
 [gh-actions]
 python =
@@ -9,6 +9,7 @@ python =
     3.9: py39
     3.10: py310, mypy
 	3.11: py311, mypy
+    3.12: py312, mypy
 
 [testenv]
 ;download = true