Remove EOL Python versions and improve setup

Author: Guts

setup.py

@@ -1,34 +1,65 @@
+from pathlib import Path
+from typing import Union
+
 from setuptools import setup, find_packages
 
+# The directory containing this file
+HERE = Path(__file__).parent
+
+# The text of the README file
+README = (HERE / "README.md").read_text()
+
+def load_requirements(requirements_files: Union[Path, list[Path]]) -> list:
+    """Helper to load requirements list from a path or a list of paths.
+
+    Args:
+        requirements_files (Path | list[Path]): path or list to paths of requirements
+            file(s)
+
+    Returns:
+        list: list of requirements loaded from file(s)
+    """
+    out_requirements = []
+
+    if isinstance(requirements_files, Path):
+        requirements_files = [
+            requirements_files,
+        ]
+
+    for requirements_file in requirements_files:
+        with requirements_file.open(encoding="UTF-8") as f:
+            out_requirements += [
+                line
+                for line in f.read().splitlines()
+                if not line.startswith(("#", "-")) and len(line)
+            ]
+
+    return out_requirements
 
 setup(
     name='mkdocs-git-committers-plugin-2',
     version='1.1.2',
-    description='An MkDocs plugin to create a list of contributors on the page',
-    long_description='The git-committers plugin will seed the template context with a list of github committers and other useful GIT info such as last modified date',
+    description='An MkDocs plugin to create a list of contributors on the page. The git-committers plugin will seed the template context with a list of github committers and other useful GIT info such as last modified date',
+    long_description=README,
+    long_description_content_type="text/markdown",
     keywords='mkdocs pdf github',
     url='https://github.com/ojacques/mkdocs-git-committers-plugin-2/',
     author='Byrne Reese, Olivier Jacques',
     author_email='[email protected], [email protected]',
     license='MIT',
-    python_requires='>=2.7',
-    install_requires=[
-        'mkdocs>=1.0.3',
-        'gitpython',
-        'requests',
-        'beautifulsoup4'
-    ],
+    python_requires='>=3.8,<4',
+    install_requires=load_requirements(HERE / "requirements.txt"),
     classifiers=[
         'Development Status :: 4 - Beta',
         'Intended Audience :: Developers',
         'Intended Audience :: Information Technology',
         'License :: OSI Approved :: MIT License',
         'Programming Language :: Python',
         'Programming Language :: Python :: 3 :: Only',
-        'Programming Language :: Python :: 3.4',
-        'Programming Language :: Python :: 3.5',
-        'Programming Language :: Python :: 3.6',
-        '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'
     ],
     packages=find_packages(),
     entry_points={