Set up release helper plumbing

.github/workflows/check-release.yml

@@ -0,0 +1,55 @@
+name: Check Release
+on:
+  push:
+    branches: ["master"]
+  pull_request:
+    branches: ["*"]
+
+jobs:
+  check_release:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        group: [check_release, link_check]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Install Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.9
+          architecture: "x64"
+      - name: Get pip cache dir
+        id: pip-cache
+        run: |
+          echo "::set-output name=dir::$(pip cache dir)"
+      - name: Cache pip
+        uses: actions/cache@v2
+        with:
+          path: ${{ steps.pip-cache.outputs.dir }}
+          key: ${{ runner.os }}-pip-${{ hashFiles('setup.cfg') }}
+          restore-keys: |
+            ${{ runner.os }}-pip-
+            ${{ runner.os }}-pip-
+      - name: Cache checked links
+        if: ${{ matrix.group == 'link_check' }}
+        uses: actions/cache@v2
+        with:
+          path: ~/.cache/pytest-link-check
+          key: ${{ runner.os }}-linkcheck-${{ hashFiles('**/*.md', '**/*.rst') }}-md-links
+          restore-keys: |
+            ${{ runner.os }}-linkcheck-
+      - name: Upgrade packaging dependencies
+        run: |
+          pip install --upgrade pip setuptools wheel --user
+      - name: Install Dependencies
+        run: |
+          pip install -e .
+      - name: Check Release
+        if: ${{ matrix.group == 'check_release' }}
+        uses: jupyter-server/jupyter_releaser/.github/actions/check-release@v1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+      - name: Run Link Check
+        if: ${{ matrix.group == 'link_check' }}
+        uses: jupyter-server/jupyter_releaser/.github/actions/check-links@v1

CHANGELOG.md

@@ -17,6 +17,8 @@
 
 ## 6.1.0
 
+<!-- <START NEW CHANGELOG ENTRY> -->
+
 ### Enhancements made
 
 - Implemented `richInspectVariable` request handler [#734](https://github.com/ipython/ipykernel/pull/734) ([@JohanMabille](https://github.com/JohanMabille))
@@ -29,6 +31,8 @@
 
 - Fix exception raised by `OutStream.write` [#726](https://github.com/ipython/ipykernel/pull/726) ([@SimonKrughoff](https://github.com/SimonKrughoff))
 
+<!-- <END NEW CHANGELOG ENTRY> -->
+
 ## 6.0
 
 ## 6.0.3

MANIFEST.in

@@ -1,6 +1,4 @@
-include COPYING.md
-include CONTRIBUTING.md
-include README.md
+include *.md
 include pyproject.toml
 
 # Documentation
@@ -23,3 +21,5 @@ global-exclude .git
 global-exclude .ipynb_checkpoints
 
 prune data_kernelspec
+exclude .mailmap
+exclude readthedocs.yml

RELEASE.md

@@ -1,19 +1,25 @@
 # Release Guide
 
-- Update `docs/changelog.rst`
-- Update `ipykernel/_version.py`
+## Using `jupyter_releaser`
+
+The recommended way to make a release is to use [`jupyter_releaser`](https://github.com/jupyter-server/jupyter_releaser#checklist-for-adoption).
+
+## Manual Release
+
+- Update `CHANGELOG`
+
 - Run the following:
 
 ```bash
-version=`python setup.py --version 2>/dev/null`
-git commit -a -m "Release $version"
-git tag $version; true;
+export VERSION=<version>
+pip install jupyter_releaser
+tbump --only-patch $VERSION
+git commit -a -m "Release $VERSION"
+git tag $VERSION; true;
 git push --all
 git push --tags
 rm -rf dist build
-pip install build twine
 python -m build .
-pip install twine
 twine check dist/* 
 twine upload dist/*
 ```

ipykernel/_version.py

@@ -1,16 +1,18 @@
-version_info = (6, 2, 0)
-__version__ = ".".join(map(str, version_info[:3]))
+"""
+store the current version info of the server.
+"""
+import re
 
-# pep440 is annoying, beta/alpha/rc should _not_ have dots or pip/setuptools
-# confuses which one between the wheel and sdist is the most recent.
-if len(version_info) == 4:
-    extra = version_info[3]
-    if extra.startswith(('a','b','rc')):
-        __version__ = __version__+extra
-    else:
-        __version__ = __version__+'.'+extra
-if len(version_info) > 4:
-    raise NotImplementedError
+# Version string must appear intact for tbump versioning
+__version__ = '6.2.0'
+
+# 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__)
+parts = [int(match[part]) for part in ['major', 'minor', 'patch']]
+if match['rest']:
+    parts.append(match['rest'])
+version_info = tuple(parts)
 
 kernel_protocol_version_info = (5, 3)
 kernel_protocol_version = '%s.%s' % kernel_protocol_version_info

pyproject.toml

@@ -7,3 +7,23 @@ requires=[
   "jupyter_core>=4.2",
   "jupyter_client",
 ]
+
+[tool.check-manifest]
+ignore = []
+
+[tool.jupyter-releaser]
+skip = ["check-links"]
+
+[tool.tbump.version]
+current = "6.2.0"
+regex = '''
+  (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)
+  ((?P<channel>a|b|rc|.dev)(?P<release>\d+))?
+'''
+
+[tool.tbump.git]
+message_template = "Bump to {new_version}"
+tag_template = "v{new_version}"
+
+[[tool.tbump.file]]
+src = "ipykernel/_version.py"

setup.cfg

@@ -1,8 +1,10 @@
+
 [bdist_wheel]
 universal=0
 
 [metadata]
 license_file = COPYING.md
+version = attr: ipykernel._version.__version__
 
 [nosetests]
 warningfilters= default   |.*             |DeprecationWarning |ipykernel.*

setup.py

@@ -39,23 +39,11 @@ def run(self):
     'ipykernel': ['resources/*.*'],
 }
 
-version_ns = {}
-with open(pjoin(here, name, '_version.py')) as f:
-    exec(f.read(), {}, version_ns)
-
-current_version = version_ns['__version__']
-
-loose_pep440re = re.compile(r'^(\d+)\.(\d+)\.(\d+((a|b|rc)\d+)?)(\.post\d+)?(\.dev\d*)?$')
-if not loose_pep440re.match(current_version):
-    raise ValueError("Version number '%s' is not valid (should match [N!]N(.N)*[{a|b|rc}N][.postN][.devN])" % current_version)
-
-
 with open(pjoin(here, 'README.md')) as fid:
     LONG_DESCRIPTION = fid.read()
 
 setup_args = dict(
     name=name,
-    version=current_version,
     cmdclass={
         'bdist_egg': bdist_egg if 'bdist_egg' in sys.argv else bdist_egg_disabled,
     },