Move most package config to declarative pyproject.toml

data_files still needs to be dynamic because it gets reconstructed after setup.py starts

setup.py

@@ -1,9 +1,7 @@
 #!/usr/bin/env python3
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
-# -----------------------------------------------------------------------------
-# Minimal Python version sanity check (from IPython)
-# -----------------------------------------------------------------------------
+
 import os
 import shutil
 import sys
@@ -12,6 +10,7 @@ from subprocess import check_call
 from setuptools import Command, setup
 from setuptools.command.bdist_egg import bdist_egg
 from setuptools.command.build_py import build_py
+from setuptools.command.develop import develop
 from setuptools.command.sdist import sdist
 
 shell = False
@@ -29,9 +28,7 @@ static = pjoin(share_jupyterhub, 'static')
 
 is_repo = os.path.exists(pjoin(here, '.git'))
 
-# ---------------------------------------------------------------------------
 # Build basic package data, etc.
-# ---------------------------------------------------------------------------
 
 
 def get_data_files():
@@ -44,113 +41,6 @@ def get_data_files():
     return data_files
 
 
-def get_package_data():
-    """Get package data
-
-    (mostly alembic config)
-    """
-    package_data = {}
-    package_data['jupyterhub'] = [
-        'alembic.ini',
-        'alembic/*',
-        'alembic/versions/*',
-        'event-schemas/*/*.yaml',
-        'singleuser/templates/*.html',
-    ]
-    return package_data
-
-
-ns = {}
-with open(pjoin(here, 'jupyterhub', '_version.py')) as f:
-    exec(f.read(), {}, ns)
-
-
-packages = []
-for d, _, _ in os.walk('jupyterhub'):
-    if os.path.exists(pjoin(d, '__init__.py')):
-        packages.append(d.replace(os.path.sep, '.'))
-
-with open('README.md', encoding="utf8") as f:
-    readme = f.read()
-
-
-setup_args = dict(
-    name='jupyterhub',
-    packages=packages,
-    # dummy, so that install_data doesn't get skipped
-    # this will be overridden when bower is run anyway
-    data_files=get_data_files() or ['dummy'],
-    package_data=get_package_data(),
-    version=ns['__version__'],
-    description="JupyterHub: A multi-user server for Jupyter notebooks",
-    long_description=readme,
-    long_description_content_type='text/markdown',
-    author="Jupyter Development Team",
-    author_email="jupyter@googlegroups.com",
-    url="https://jupyter.org",
-    license="BSD",
-    platforms="Linux, Mac OS X",
-    keywords=['Interactive', 'Interpreter', 'Shell', 'Web'],
-    python_requires=">=3.7",
-    entry_points={
-        'jupyterhub.authenticators': [
-            'default = jupyterhub.auth:PAMAuthenticator',
-            'pam = jupyterhub.auth:PAMAuthenticator',
-            'dummy = jupyterhub.auth:DummyAuthenticator',
-            'null = jupyterhub.auth:NullAuthenticator',
-        ],
-        'jupyterhub.proxies': [
-            'default = jupyterhub.proxy:ConfigurableHTTPProxy',
-            'configurable-http-proxy = jupyterhub.proxy:ConfigurableHTTPProxy',
-        ],
-        'jupyterhub.spawners': [
-            'default = jupyterhub.spawner:LocalProcessSpawner',
-            'localprocess = jupyterhub.spawner:LocalProcessSpawner',
-            'simple = jupyterhub.spawner:SimpleLocalProcessSpawner',
-        ],
-        'console_scripts': [
-            'jupyterhub = jupyterhub.app:main',
-            'jupyterhub-singleuser = jupyterhub.singleuser:main',
-        ],
-    },
-    classifiers=[
-        'Intended Audience :: Developers',
-        'Intended Audience :: System Administrators',
-        'Intended Audience :: Science/Research',
-        'License :: OSI Approved :: BSD License',
-        'Programming Language :: Python',
-        'Programming Language :: Python :: 3',
-    ],
-    project_urls={
-        'Documentation': 'https://jupyterhub.readthedocs.io',
-        'Funding': 'https://jupyter.org/about',
-        'Source': 'https://github.com/jupyterhub/jupyterhub/',
-        'Tracker': 'https://github.com/jupyterhub/jupyterhub/issues',
-    },
-    extras_require={
-        "test": [
-            "beautifulsoup4[html5lib]",
-            "coverage",
-            # cryptography is an optional dependency for jupyterhub that we test
-            # against by default
-            "cryptography",
-            "jsonschema",
-            "jupyterlab>=3",
-            "mock",
-            # nbclassic provides the '/tree/' handler that we tests against in
-            # the test test_nbclassic_control_panel.
-            "nbclassic",
-            "pytest>=3.3",
-            "pytest-asyncio>=0.17",
-            "pytest-cov",
-            "requests-mock",
-            "playwright",
-            "virtualenv",
-        ],
-    },
-)
-
-
 def mtime(path):
     """shorthand for mtime"""
     return os.stat(path).st_mtime
@@ -373,22 +263,6 @@ class bdist_egg_disabled(bdist_egg):
         )
 
 
-setup_args['cmdclass'] = {
-    'js': NPM,
-    'css': CSS,
-    'jsx': JSX,
-    'build_py': js_css_first(build_py, strict=is_repo),
-    'sdist': js_css_first(sdist, strict=True),
-    'bdist_egg': bdist_egg if 'bdist_egg' in sys.argv else bdist_egg_disabled,
-}
-
-
-# setuptools requirements
-
-setup_args['zip_safe'] = False
-from setuptools.command.develop import develop
-
-
 class develop_js_css(develop):
     def run(self):
         if not self.uninstall:
@@ -397,23 +271,24 @@ class develop_js_css(develop):
         super().run()
 
 
-setup_args['cmdclass']['develop'] = develop_js_css
-setup_args['install_requires'] = install_requires = []
+cmdclass = {
+    'js': NPM,
+    'css': CSS,
+    'jsx': JSX,
+    'build_py': js_css_first(build_py, strict=is_repo),
+    'sdist': js_css_first(sdist, strict=True),
+    'bdist_egg': bdist_egg if 'bdist_egg' in sys.argv else bdist_egg_disabled,
+    'develop': develop_js_css,
+}
 
-with open('requirements.txt') as f:
-    for line in f.readlines():
-        req = line.strip()
-        if not req or req.startswith('#') or '://' in req:
-            continue
-        install_requires.append(req)
-
-# ---------------------------------------------------------------------------
-# setup
-# ---------------------------------------------------------------------------
+# run setup
 
 
 def main():
-    setup(**setup_args)
+    setup(
+        cmdclass=cmdclass,
+        data_files=get_data_files(),
+    )
 
 
 if __name__ == '__main__':