add pyproject.toml, require Python 3.10, JupyterHub 3

.github/workflows/test.yaml

@@ -29,12 +29,6 @@ jobs:
       matrix:
         include:
           # oldest supported python and jupyterhub version
-          - python-version: "3.8"
-            pip-install-spec: "jupyterhub==2.3.0 tornado==5.1.0 sqlalchemy==1.*"
-            runs-on: ubuntu-20.04
-          - python-version: "3.9"
-            pip-install-spec: "jupyterhub==2.* sqlalchemy==1.*"
-            runs-on: ubuntu-22.04
           - python-version: "3.10"
             pip-install-spec: "jupyterhub==3.*"
             runs-on: ubuntu-22.04

.gitignore

@@ -1,5 +1,6 @@
 # Byte-compiled / optimized / DLL files
 __pycache__/
+.DS_Store
 *.py[cod]
 *$py.class
 

.pre-commit-config.yaml

@@ -14,8 +14,6 @@ repos:
     rev: v3.15.0
     hooks:
       - id: pyupgrade
-        args:
-          - --py38-plus
 
   # Autoformat: Python code
   - repo: https://github.com/PyCQA/autoflake
@@ -39,8 +37,8 @@ repos:
       - id: black
 
   # Autoformat: markdown, yaml
-  - repo: https://github.com/pre-commit/mirrors-prettier
-    rev: v3.0.3
+  - repo: https://github.com/rbubley/mirrors-prettier
+    rev: v3.7.3
     hooks:
       - id: prettier
 

pyproject.toml

@@ -1,3 +1,48 @@
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[project]
+name = "jupyterhub-systemdspawner"
+dynamic = ["version"]
+description = "JupyterHub Spawner using systemd for resource isolation"
+readme = "README.md"
+requires-python = ">=3.10"
+license = "BSD-3-Clause"
+authors = [
+  { name = "Jupyter Contributors", email = "jupyter@googlegroups.com" },
+]
+classifiers = [
+  "Development Status :: 5 - Production/Stable",
+  "Programming Language :: Python :: 3",
+]
+dependencies = [
+  "jupyterhub>=3.1.1",
+  "tornado>=6.1",
+]
+
+[project.urls]
+Source = "https://github.com/jupyterhub/systemdspawner"
+Issues = "https://github.com/jupyterhub/systemdspawner/issues"
+[project.optional-dependencies]
+test = [
+  "pytest",
+  "pytest-asyncio",
+  "pytest-cov",
+  "pytest-jupyterhub",
+]
+
+[project.entry-points."jupyterhub.spawners"]
+systemd = "systemdspawner:SystemdSpawner"
+systemdspawner = "systemdspawner:SystemdSpawner"
+
+[tool.hatch.build.targets.wheel]
+# need to specify package name because it doesn't match project.name
+packages = ["systemdspawner"]
+
+[tool.hatch.version]
+path = "systemdspawner/__init__.py"
+
 # autoflake is used for autoformatting Python code
 #
 # ref: https://github.com/PyCQA/autoflake#readme
@@ -17,21 +62,6 @@ remove-unused-variables = true
 profile = "black"
 
 
-# black is used for autoformatting Python code
-#
-# ref: https://black.readthedocs.io/en/stable/
-#
-[tool.black]
-# target-version should be all supported versions, see
-# https://github.com/psf/black/issues/751#issuecomment-473066811
-target_version = [
-    "py38",
-    "py39",
-    "py310",
-    "py311",
-]
-
-
 # pytest is used for running Python based tests
 #
 # ref: https://docs.pytest.org/en/stable/
@@ -73,4 +103,4 @@ message_template = "Bump to {new_version}"
 tag_template = "v{new_version}"
 
 [[tool.tbump.file]]
-src = "setup.py"
+src = "systemdspawner/__init__.py"

systemdspawner/__init__.py

@@ -1,3 +1,4 @@
 from systemdspawner.systemdspawner import SystemdSpawner
 
+__version__ = "1.0.3.dev"
 __all__ = [SystemdSpawner]