Move back to using setup.cfg

.github/workflows/ci.yml

@@ -150,8 +150,6 @@ jobs:
 
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/setup-python@v4
-
     - uses: actions/download-artifact@v3
       with:
         name: artifact

CHANGELOG.md

@@ -2,6 +2,9 @@
 
 ## 0.5.0 - TBD
 
+* Added exception that is raised when `krb5.init_context()` failed
+* Moved back to `setup.cfg` based setuptools project for compatibility with `pip` present on system distributions
+
 ## 0.4.1 - 2022-10-25
 
 * Added Python 3.11 wheel

pyproject.toml

@@ -1,46 +1,14 @@
 [build-system]
 requires = [
     "Cython >= 0.29.29, < 3.0.0",  # 0.29.29 includes fixes for Python 3.11
-    "setuptools >= 61.0.0",  # Support for setuptools config in pyproject.toml
+    "setuptools >= 42.0.0",  # Supports license_files
 ]
 build-backend = "setuptools.build_meta"
 
-[project]
-name = "krb5"
-version = "0.5.0"
-description = "Kerberos API bindings for Python"
-readme = "README.md"
-requires-python = ">=3.7"
-license = {file = "LICENSE"}
-authors = [
-    { name = "Jordan Borean", email = "jborean93@gmail.com" }
-]
-keywords = ["krb5", "kerberos"]
-classifiers = [
-    "Development Status :: 4 - Beta",
-    "License :: OSI Approved :: MIT License",
-    "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.7",
-    "Programming Language :: Python :: 3.8",
-    "Programming Language :: Python :: 3.9",
-    "Programming Language :: Python :: 3.10",
-    "Programming Language :: Python :: 3.11"
-]
-
-[project.urls]
-homepage = "https://github.com/jborean93/pykrb5"
-
-[tool.setuptools]
-include-package-data = true
-
-[tool.setuptools.packages.find]
-where = ["src"]
-
-[tool.setuptools.package-data]
-krb5 = ["py.typed", "*.pyi"]
-
-[tool.setuptools.exclude-package-data]
-krb5 = ["*.pxd", "*.pyx"]
+# FUTURE: Mandate newer setuptools to use pyproject.toml configuration
+# Currently it fails when using older pip versions that are still used by some
+# Linux distributions with:
+# WARNING: Generating metadata for package krb5 produced metadata for project name unknown. Fix your #egg=krb5 fragments.
 
 [tool.black]
 line-length = 120

setup.cfg

@@ -0,0 +1,43 @@
+[metadata]
+name = krb5
+version = 0.5.0
+url = https://github.com/jborean93/pykrb5
+author = Jordan Borean
+author_email = jborean93@gmail.com
+license = MIT
+license_files = LICENSE
+description = Kerberos API bindings for Python
+long_description = file: README.md
+long_description_content_type = text/markdown
+keywords =
+    krb5
+    kerberos
+classifiers =
+    Development Status :: 4 - Beta
+    License :: OSI Approved :: MIT License
+    Programming Language :: Python :: 3
+    Programming Language :: Python :: 3.7
+    Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
+    Programming Language :: Python :: 3.10
+    Programming Language :: Python :: 3.11
+
+[options]
+package_dir =
+    =src
+packages = find:
+include_package_data = True
+python_requires = >= 3.7
+
+[options.packages.find]
+where = src
+
+[options.package_data]
+krb5 =
+    py.typed
+    *.pyi
+
+[options.exclude_package_data]
+krb5 =
+    *.pxd
+    *.pyx