Use hatch backend (#6425)

.bumpversion.cfg

@@ -3,12 +3,12 @@ current_version = 7, 0, 0, "alpha", 4
 commit = False
 tag = False
 parse = (?P<major>\d+)\,\ (?P<minor>\d+)\,\ (?P<patch>\d+)\,\ \"(?P<release>\S+)\"\,\ (?P<build>\d+)
-serialize = 
+serialize =
 	{major}, {minor}, {patch}, "{release}", {build}
 
 [bumpversion:part:release]
 optional_value = final
-values = 
+values =
 	alpha
 	beta
 	candidate

.flake8

@@ -0,0 +1,12 @@
+[flake8]
+ignore = E501, W503, E402
+builtins = c, get_config
+exclude =
+    .cache,
+    .github,
+    docs,
+enable-extensions = G
+extend-ignore =
+    G001, G002, G004, G200, G201, G202,
+    # black adds spaces around ':'
+    E203,

.github/workflows/build.yml

@@ -32,6 +32,7 @@ jobs:
 
   test:
     runs-on: ubuntu-latest
+    timeout-minutes: 10
     steps:
     - name: Checkout
       uses: actions/checkout@v2
@@ -43,7 +44,7 @@ jobs:
 
     - name: Install the package
       run: |
-        python -m pip install ".[test]"
+        python -m pip install ".[dev,test]"
         jlpm run build:test
 
     - name: Unit tests
@@ -60,6 +61,7 @@ jobs:
   install:
     needs: [build]
     runs-on: ${{ matrix.os }}
+    timeout-minutes: 10
     strategy:
       fail-fast: false
       matrix:

.github/workflows/buildutils.yml

@@ -16,6 +16,7 @@ concurrency:
 jobs:
   versioning:
     runs-on: ubuntu-latest
+    timeout-minutes: 10
     steps:
     - name: Checkout
       uses: actions/checkout@v2
@@ -25,7 +26,7 @@ jobs:
 
     - name: Install dependencies
       run: |
-        python -m pip install -U "jupyterlab>=4.0.0a25,<5" jupyter_packaging~=0.10
+        python -m pip install -U "jupyterlab>=4.0.0a25,<5" hatch
         jlpm
         jlpm run build
 
@@ -80,6 +81,6 @@ jobs:
 
     - name: Install dependencies
       run: |
-        python -m pip install -U "jupyterlab>=4.0.0a25,<5" jupyter_packaging~=0.10 pip
+        python -m pip install -U "jupyterlab>=4.0.0a25,<5" pip
         jlpm
         jlpm run build

.github/workflows/check-release.yml

@@ -15,6 +15,7 @@ concurrency:
 jobs:
   check_release:
     runs-on: ubuntu-latest
+    timeout-minutes: 30
     strategy:
       matrix:
         group: [check_release, link_check]
@@ -36,3 +37,10 @@ jobs:
       - name: Check Links
         if: ${{ matrix.group == 'link_check' }}
         uses: jupyter-server/jupyter_releaser/.github/actions/check-links@v1
+
+      - name: Upload Distributions
+        uses: actions/upload-artifact@v2
+        if: ${{ matrix.group == 'check_release' }}
+        with:
+          name: notebook-jupyter-releaser-dist-${{ github.run_number }}
+          path: .jupyter_releaser_checkout/dist

.github/workflows/docs.yml

@@ -11,6 +11,7 @@ concurrency:
 jobs:
   build:
     runs-on: ubuntu-latest
+    timeout-minutes: 10
     steps:
     - name: Checkout
       uses: actions/checkout@v2
@@ -20,7 +21,7 @@ jobs:
         python_version: '3.7'
     - name: Install the Python dependencies
       run: |
-        pip install -e .[test] codecov
+        pip install -e .[dev,test] codecov
         pip install -r docs/doc-requirements.txt
         wget https://github.com/jgm/pandoc/releases/download/1.19.1/pandoc-1.19.1-1-amd64.deb && sudo dpkg -i pandoc-1.19.1-1-amd64.deb
     - name: List installed packages

.github/workflows/ui-tests.yml

@@ -24,6 +24,7 @@ jobs:
   ui-tests:
     needs: [build]
     runs-on: ubuntu-latest
+    timeout-minutes: 10
     strategy:
       fail-fast: false
       matrix:
@@ -32,21 +33,14 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2
 
-      - name: Install Python
-        uses: actions/setup-python@v2
-        with:
-          python-version: '3.9'
-          architecture: 'x64'
+      - name: Base Setup
+        uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
 
       - uses: actions/download-artifact@v2
         with:
           name: notebook-dist-${{ github.run_number }}
           path: ./dist
 
-      - name: Install the prerequisites
-        run: |
-          python -m pip install pip wheel
-
       - name: Install the package
         run: |
           cd dist

CONTRIBUTING.md

@@ -22,7 +22,7 @@ mamba create -n notebook -c conda-forge python nodejs -y
 mamba activate notebook
 
 # Install package in development mode
-pip install -e .
+pip install -e ".[dev,test]"
 
 # Link the notebook extension and @jupyter-notebook schemas
 jlpm develop
@@ -107,7 +107,7 @@ speeding up the review process.
 As long as your code is valid,
 the pre-commit hook should take care of how it should look.
 `pre-commit` and its associated hooks will automatically be installed when
-you run `pip install -e ".[test]"`
+you run `pip install -e ".[dev,test]"`
 
 To install `pre-commit` manually, run the following:
 

buildutils/src/develop.ts

@@ -43,10 +43,10 @@ commander
     );
     if (overwrite) {
       try {
-        fs.unlinkSync(destDir);
-        console.log('Removed previous symlink:', destDir);
+        fs.removeSync(destDir);
+        console.log('Removed previous destination:', destDir);
       } catch (e) {
-        console.info('Skip unlinkink', destDir);
+        console.info('Skip unlink', destDir);
       }
     }
     console.log('Symlinking:', sourceDir, destDir);

buildutils/src/utils.ts

@@ -4,7 +4,7 @@ import { run } from '@jupyterlab/buildutils';
  * Get the current version of notebook
  */
 export function getPythonVersion(): string {
-  const cmd = 'python setup.py --version';
+  const cmd = 'hatchling version';
   const lines = run(cmd, { stdio: 'pipe' }, true).split('\n');
   return lines[lines.length - 1];
 }

package.json

@@ -81,7 +81,8 @@
       ]
     },
     "skip": [
-      "check-links"
+      "check-links",
+      "check-manifest"
     ]
   }
 }

pyproject.toml

@@ -1,32 +1,126 @@
 [build-system]
-requires = ["jupyter_packaging~=0.10", "jupyterlab>=4.0.0a25,<5", "pre-commit"]
-build-backend = "jupyter_packaging.build_api"
+requires = ["hatchling>=1.0", "jupyterlab>=4.0.0a25,<5"]
+build-backend = "hatchling.build"
 
-[license]
-file="LICENSE"
+[project]
+name = "notebook"
+description = "Jupyter Notebook - A web-based notebook environment for interactive computing"
+readme = "README.md"
+license = { file = "LICENSE" }
+requires-python = ">=3.7"
+authors = [
+    { name = "Jupyter Development Team", email = "[email protected]" },
+]
+keywords = [
+    "Jupyter",
+    "JupyterLab",
+    "Notebook",
+]
+classifiers = [
+    "Framework :: Jupyter",
+    "Intended Audience :: Developers",
+    "Intended Audience :: Science/Research",
+    "Intended Audience :: System Administrators",
+    "License :: OSI Approved :: BSD License",
+    "Programming Language :: Python",
+    "Programming Language :: Python :: 3.7",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+]
+dependencies = [
+    "jupyter_server>=1.16.0,<2",
+    "jupyterlab>=4.0.0a24,<5",
+    "jupyterlab_server>=2.13,<3",
+    "notebook_shim>=0.1,<0.2",
+    "tornado>=6.1.0",
+]
+dynamic = ["version"]
 
-[tool.jupyter-packaging.options]
-skip-if-exists = ["notebook/labextension/static/style.js", "notebook/static/bundle.js"]
-ensured-targets = ["notebook/labextension/static/style.js", "notebook/static/bundle.js"]
+[project.scripts]
+jupyter-notebook = "notebook.app:main"
 
-[tool.jupyter-packaging.builder]
-factory = "jupyter_packaging.npm_builder"
+[project.urls]
+Documentation = "https://jupyter-notebook.readthedocs.io/"
+Homepage = "https://github.com/jupyter/notebook"
+Source = "https://github.com/jupyter/notebook"
+Tracker = "https://github.com/jupyter/notebook/issues"
 
-[tool.jupyter-packaging.build-args]
-build_cmd = "build:prod"
-npm = ["jlpm"]
+[project.optional-dependencies]
+test = [
+    "coverage",
+    "nbval",
+    "pytest>=6.0",
+    "pytest-cov",
+    "requests",
+    "pytest-tornasync",
+    "pytest-timeout",
+    "pytest-console-scripts",
+    "ipykernel",
+    "jupyterlab_server[test]>=2.13,<3",
+]
+dev = [
+    "pre-commit",
+    "bump2version",
+    "hatchling"
+]
+
+[tool.hatch.version]
+path = "notebook/_version.py"
+source = "code"
+
+[tool.hatch.build.targets.wheel.shared-data]
+"notebook/labextension" = "share/jupyter/labextensions/@jupyter-notebook/lab-extension"
+"notebook/schemas/@jupyter-notebook" = "share/jupyter/lab/schemas/@jupyter-notebook"
+"jupyter-config/jupyter_server_config.d" = "etc/jupyter/jupyter_server_config.d"
 
-[tool.check-manifest]
-ignore = ["app/**", "binder/**", "buildutils/**", "docs/**", "packages/**", "codecov.yml", "*.json", "yarn.lock", "readthedocs.yml", ".bumpversion.cfg", ".*", "lint-staged.config.js", "*.svg", "notebook/labextension/**", "notebook/schemas/**", "notebook/static/**", "notebook/template/**", "ui-tests/**"]
+[tool.hatch.build.targets.sdist]
+artifacts = [
+    "notebook/labextension",
+    "notebook/static",
+    "notebook/schemas/@jupyter-notebook",
+    "notebook/templates",
+]
+include = [
+    "/jupyter-config",
+    "/notebook",
+    "/tests",
+    "/package.json",
+    "/install.json",
+    "/ts*.json",
+    "/*.md"
+]
+
+[tool.hatch.build.targets.wheel]
+artifacts = [
+    "notebook/static",
+    "notebook/templates",
+]
+include = ["/notebook"]
+
+
+[tool.hatch.build.hooks.jupyter-builder]
+dependencies = ["hatch-jupyter-builder>=0.2"]
+build-function = "hatch_jupyter_builder.npm_builder"
+ensured-targets = [
+    "notebook/labextension/static/style.js",
+    "notebook/static/bundle.js"
+]
+install-pre-commit-hook = true
+
+[tool.hatch.build.hooks.jupyter-builder.build-kwargs]
+build_cmd = "build:prod"
+editable_build_cmd = "build"
+source_dir = "packages"
+build_dir = "notebook/static"
+npm = "jlpm"
 
 [tool.pytest.ini_options]
 addopts = "-raXs --durations 10 --color=yes --doctest-modules"
 testpaths = [
-    "tests/"
+    "tests/",
 ]
 timeout = 300
-# Restore this setting to debug failures
-# timeout_method = "thread"
 filterwarnings = [
     "error",
     "ignore:There is no current event loop:DeprecationWarning",