Clean up packaging and add py312 support

.github/workflows/tests.yml

@@ -7,26 +7,8 @@ on:
       - main
 
 jobs:
-  check_duplicate_runs:
-    name: Check for duplicate runs
-    continue-on-error: true
-    runs-on: ubuntu-latest
-    outputs:
-      should_skip: ${{ steps.skip_check.outputs.should_skip }}
-    steps:
-      - id: skip_check
-        uses: fkirc/skip-duplicate-actions@master
-        with:
-          concurrent_skipping: always
-          cancel_others: true
-          skip_after_successful_duplicate: true
-          paths_ignore: '["**/README.md", "**/CHANGELOG.md", "**/LICENSE.md"]'
-          do_not_skip: '["pull_request"]'
-
   tests:
     name: Run tests (Python ${{matrix.python}})
-    needs: check_duplicate_runs
-    if: ${{ needs.check_duplicate_runs.outputs.should_skip != 'true' }}
 
     strategy:
       matrix:
@@ -35,48 +17,29 @@ jobs:
         - "3.9"
         - "3.10"
         - "3.11"
+        - "3.12"
 
     runs-on: ubuntu-latest
-
     steps:
-    - name: Checkout
-      uses: actions/checkout@v2
-
-    - name: Set up Python
-      uses: actions/setup-python@v2
-      with:
-        python-version: ${{ matrix.python }}
 
-    - name: Cache pip
-      uses: actions/cache@v2
-      with:
-        path: ~/.cache/pip
-        key: ${{ runner.os }}-python-${{ matrix.python }}-pip-${{ hashFiles('**/requirements*.txt') }}
-        restore-keys: |
-          ${{ runner.os }}-python-${{ matrix.python }}-pip-${{ hashFiles('**/requirements*.txt') }}
-          ${{ runner.os }}-python-${{ matrix.python }}-pip-
-          ${{ runner.os }}-python
-          ${{ runner.os }}-
+    - name: Checkout
+      uses: actions/checkout@v4
 
-    - name: Upgrade pip
-      run: python -m pip install --upgrade pip setuptools wheel
+    - name: Base Setup
+      uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
 
     - name: Install dependencies
       run: |
-        pip install --upgrade -r requirements.txt -r requirements-test.txt
         pip install -e .
         pip freeze
 
     - name: Show help
       run: jupyter kernelgateway --help
 
     - name: Run tests
-      run: pytest -vv -W default --cov kernel_gateway --cov-branch --cov-report term-missing:skip-covered
+      run: hatch run cov:test
       env:
         ASYNC_TEST_TIMEOUT: 10
 
-    - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v1
-      with:
-        token: ${{ secrets.CODECOV_TOKEN }}
-        fail_ci_if_error: true
+    - name: Build docs
+      run: hatch run docs:build

.pre-commit-config.yaml

@@ -3,3 +3,8 @@ repos:
     rev: v4.4.0
     hooks:
       - id: end-of-file-fixer
+
+  - repo: https://github.com/python-jsonschema/check-jsonschema
+    rev: 0.27.3
+    hooks:
+      - id: check-github-workflows

docs/source/conf.py

@@ -35,6 +35,8 @@
     "myst_parser"
 ]
 
+myst_enable_extensions = ["attrs_block", "attrs_inline"]
+
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']
 
@@ -71,7 +73,7 @@
 #
 # This is also used if you do content translation via gettext catalogs.
 # Usually you set "language" from the command line for these cases.
-language = None
+language = "en"
 
 # There are two options for replacing |today|: either, you set today to some
 # non-false value, then it is used:
@@ -362,7 +364,7 @@
 
 
 # Example configuration for intersphinx: refer to the Python standard library.
-intersphinx_mapping = {'https://docs.python.org/3/': None}
+intersphinx_mapping = {'python': ('https://docs.python.org/3', None)}
 
 # Read The Docs
 # on_rtd is whether we are on readthedocs.org, this line of code grabbed from docs.readthedocs.org

docs/source/http-mode.md

@@ -46,6 +46,8 @@ The `REQUEST` object currently contains the following properties:
 * `path` - An object of key-value pairs representing path parameters and their values.
 * `headers` - An object of key-value pairs where a key is a HTTP header name and a value is the HTTP header value. If there are multiple values are specified for a  header, the value will be an array.
 
+{#request-content-type-and-request-body-processing}
+
 ### Request Content-Type and Request Body Processing
 
 If the HTTP request to the kernel gateway has a `Content-Type` header the value of `REQUEST.body` may change. Below is the list of outcomes for various mime-types:

kernel_gateway/_version.py

@@ -3,6 +3,17 @@
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
 
-version_info = (2, 6, 0, 'dev0')
+import re
+from typing import List
 
-__version__ = '.'.join(map(str, version_info))
+# Version string must appear intact for automatic versioning
+__version__ = "2.6.0.dev0"
+
+# Build up version_info tuple for backwards compatibility
+pattern = r"(?P<major>\d+).(?P<minor>\d+).(?P<patch>\d+)(?P<rest>.*)"
+match = re.match(pattern, __version__)
+assert match is not None
+parts: List[object] = [int(match[part]) for part in ["major", "minor", "patch"]]
+if match["rest"]:
+    parts.append(match["rest"])
+version_info = tuple(parts)

kernel_gateway/gatewayapp.py

@@ -16,7 +16,6 @@
 import ssl
 import threading
 from base64 import encodebytes
-from distutils.util import strtobool
 
 import nbformat
 from jupyter_server.services.kernels.kernelmanager import MappingKernelManager
@@ -189,7 +188,7 @@ def expose_headers_default(self):
     )
     @default('trust_xheaders')
     def trust_xheaders_default(self):
-        return strtobool(os.getenv(self.trust_xheaders_env, 'False'))
+        return os.getenv(self.trust_xheaders_env, 'False').lower() == 'true'
 
 
     max_age_env = 'KG_MAX_AGE'

pyproject.toml

@@ -0,0 +1,90 @@
+[build-system]
+requires = ["hatchling>=1.5"]
+build-backend = "hatchling.build"
+
+[project]
+name = "jupyter-kernel-gateway"
+dynamic = ["version"]
+description = "A web server for spawning and communicating with Jupyter kernels"
+readme = "README.md"
+license = { file = "LICENSE.md" }
+requires-python = ">=3.8"
+authors = [
+    { name = "Jupyter Development Team", email = "jupyter@googlegroups.com" },
+]
+keywords = [
+    "Cloud",
+    "Interactive",
+    "Interpreter",
+    "Kernel",
+    "Web",
+]
+classifiers = [
+    "Intended Audience :: Developers",
+    "Intended Audience :: Science/Research",
+    "Intended Audience :: System Administrators",
+    "License :: OSI Approved :: BSD License",
+    "Operating System :: OS Independent",
+    "Programming Language :: Python",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+]
+dependencies = [
+    "jupyter_client>=7.4.4",
+    "jupyter_core>=4.12,!=5.0.*",
+    "jupyter_server>=2.0",
+    "requests>=2.7,<3.0",
+    "tornado>=6.2.0",
+    "traitlets>=5.6.0",
+]
+
+[project.scripts]
+jupyter-kernelgateway = "kernel_gateway:launch_instance"
+
+[project.urls]
+Homepage = "http://github.com/jupyter-incubator/kernel_gateway"
+
+[project.optional-dependencies]
+test = [
+  "coverage",
+  "pytest",
+  "pytest-cov",
+  "pytest_jupyter",
+  "pytest-timeout",
+  "ipykernel",
+]
+docs = [
+  "sphinx_rtd_theme",
+  "sphinx",
+  "myst-parser",
+]
+
+[tool.hatch.version]
+path = "kernel_gateway/_version.py"
+
+[tool.hatch.build.targets.sdist]
+include = [
+    "/kernel_gateway",
+]
+
+[tool.hatch.build.targets.wheel]
+packages = ["kernel_gateway"]
+
+[tool.hatch.envs.docs]
+features = ["docs"]
+[tool.hatch.envs.docs.scripts]
+build = "make -C docs html SPHINXOPTS='-W'"
+
+[tool.hatch.envs.test]
+features = ["test"]
+[tool.hatch.envs.test.scripts]
+test = "python -m pytest -vv {args}"
+
+[tool.hatch.envs.cov]
+features = ["test"]
+dependencies = ["coverage[toml]", "pytest-cov"]
+[tool.hatch.envs.cov.scripts]
+test = "python -m pytest -vv --cov kernel_gateway --cov-branch --cov-report term-missing:skip-covered {args}"