Switch to pyproject.toml and hatchling build backend

.github/utils/check_version.py

@@ -1,13 +1,10 @@
-import os
 import sys
-from importlib.util import find_spec
+import tomllib
+from pathlib import Path
 
-from setuptools.config.expand import StaticModule
 
-
-package = 'flask_multipass'
-sys.path.insert(0, os.getcwd())
-version = StaticModule(package, find_spec(package)).__version__
+data = tomllib.loads(Path('pyproject.toml').read_text())
+version = data['project']['version']
 tag_version = sys.argv[1]
 
 if tag_version != version:

.github/workflows/pypi.yml

@@ -22,8 +22,6 @@ jobs:
         run: >-
           python -m
           build
-          --sdist
-          --wheel
           --outdir dist/
           .
       - uses: actions/upload-artifact@v4

.gitignore

@@ -15,3 +15,4 @@ htmlcov/
 .coverage
 
 example/example.cfg
+.python-version

CHANGES.rst

@@ -5,6 +5,7 @@ Version 0.5.5
 -------------
 
 - Ensure only valid schemas (http and https) can be used when validating the ``next`` URL
+- Deprecate the ``flask_multipass.__version__`` attribute
 
 Version 0.5.4
 -------------

flask_multipass/__init__.py

@@ -13,7 +13,22 @@
 from .identity import IdentityProvider
 
 
-__version__ = '0.5.5'
 __all__ = ('Multipass', 'AuthProvider', 'IdentityProvider', 'AuthInfo', 'IdentityInfo', 'Group', 'MultipassException',
            'AuthenticationFailed', 'IdentityRetrievalFailed', 'GroupRetrievalFailed', 'NoSuchUser',
            'InvalidCredentials')
+
+
+def __getattr__(name):
+    if name == '__version__':
+        import importlib.metadata
+        import warnings
+
+        warnings.warn(
+            'The `__version__` attribute is deprecated. Use feature detection or'
+            " `importlib.metadata.version('flask-multipass')` instead.",
+            DeprecationWarning,
+            stacklevel=2,
+        )
+        return importlib.metadata.version('flask-multipass')
+
+    raise AttributeError(name)

pyproject.toml

@@ -0,0 +1,51 @@
+[project]
+name = 'Flask-Multipass'
+version = '0.5.5'
+description = 'A pluggable solution for multi-backend authentication with Flask'
+readme = 'README.rst'
+license = 'BSD-3-Clause'
+authors = [{ name = 'Indico Team', email = 'indico-team@cern.ch' }]
+classifiers = [
+    'Environment :: Web Environment',
+    'Framework :: Flask',
+    'License :: OSI Approved :: BSD License',
+    'Programming Language :: Python :: 3.8',
+    'Programming Language :: Python :: 3.9',
+    'Programming Language :: Python :: 3.10',
+    'Programming Language :: Python :: 3.11',
+    'Programming Language :: Python :: 3.12',
+]
+requires-python = '~=3.8'
+dependencies = ['flask', 'blinker']
+
+[project.optional-dependencies]
+dev = ['pytest', 'pytest-cov', 'pytest-mock']
+authlib = ['authlib>=0.14.1', 'requests']
+ldap = ['flask-wtf', 'python-ldap>=3.3.1,<4.0']
+saml = ['python3-saml>=1.10.1,<1.11']
+sqlalchemy = ['sqlalchemy', 'flask-wtf']
+
+[project.urls]
+GitHub = 'https://github.com/indico/flask-multipass'
+
+[project.entry-points.'flask_multipass.auth_providers']
+ldap = 'flask_multipass.providers.ldap:LDAPAuthProvider'
+authlib = 'flask_multipass.providers.authlib:AuthlibAuthProvider'
+saml = 'flask_multipass.providers.saml:SAMLAuthProvider'
+shibboleth = 'flask_multipass.providers.shibboleth:ShibbolethAuthProvider'
+static = 'flask_multipass.providers.static:StaticAuthProvider'
+
+[project.entry-points.'flask_multipass.identity_providers']
+ldap = 'flask_multipass.providers.ldap:LDAPIdentityProvider'
+ldap_or_authinfo = 'flask_multipass.providers.ldap:AuthFallbackLDAPIdentityProvider'
+authlib = 'flask_multipass.providers.authlib:AuthlibIdentityProvider'
+saml = 'flask_multipass.providers.saml:SAMLIdentityProvider'
+shibboleth = 'flask_multipass.providers.shibboleth:ShibbolethIdentityProvider'
+static = 'flask_multipass.providers.static:StaticIdentityProvider'
+
+[build-system]
+requires = ['hatchling==1.25.0']
+build-backend = 'hatchling.build'
+
+[tool.hatch.build]
+exclude = ['docs/_build', '.github', '.python-version']

tox.ini

@@ -15,4 +15,4 @@ extras =
 [testenv:style]
 skip_install = true
 deps = flake8
-commands = flake8 setup.py example flask_multipass
+commands = flake8 example flask_multipass