Switch to PEP 420 native namespace.

Author: gforcada

news/3928.breaking

@@ -0,0 +1,2 @@
+Replace ``pkg_resources`` namespace with PEP 420 native namespace.
+Support only Plone 6.2 and Python 3.10+.

setup.py

@@ -1,5 +1,4 @@
 from pathlib import Path
-from setuptools import find_packages
 from setuptools import setup
 
 
@@ -21,25 +20,21 @@
         "Development Status :: 5 - Production/Stable",
         "Environment :: Web Environment",
         "Framework :: Plone",
-        "Framework :: Plone :: 6.0",
+        "Framework :: Plone :: 6.2",
         "Framework :: Plone :: Core",
         "Framework :: Zope :: 5",
         "License :: OSI Approved :: GNU General Public License v2 (GPLv2)",
         "Operating System :: OS Independent",
         "Programming Language :: Python",
-        "Programming Language :: Python :: 3.8",
-        "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
     ],
-    python_requires=">=3.8",
+    python_requires=">=3.10",
     keywords="plone browser layer",
     author="Plone Foundation",
     author_email="[email protected]",
     url="https://github.com/plone/plone.browserlayer",
     license="GPL version 2",
-    packages=find_packages(),
-    namespace_packages=["plone"],
     include_package_data=True,
     zip_safe=False,
     extras_require=dict(
@@ -51,7 +46,6 @@
         ]
     ),
     install_requires=[
-        "setuptools",
         "zope.component",
         "zope.interface",
         "zope.traversing >= 3.9.0",