Drop Python 3.8 support, set minimum to 3.9

Author: MiWeiss

.github/workflows/linting_and_unittests.yml

@@ -14,7 +14,7 @@ jobs:
       matrix:
         # macos-latest currently has issues (https://github.com/actions/setup-python/issues/855)
         os: [ubuntu-latest, windows-latest, macos-13]
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.9', '3.10', '3.11', '3.12']
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v2

docs/source/install.rst

@@ -5,7 +5,7 @@ Installation
 Requirements
 ------------
 
-Bibtexparsers only requirement is a python interpreter which is not yet EOL (currently >= 3.7).
+Bibtexparser's only requirement is a python interpreter which is not yet EOL (currently >= 3.9).
 
 As of version 2.0.0, bibtexparser is a pure-python project (no direct bindings to C libraries).
 As such, it should be rather easy to install on any platform.

setup.py

@@ -29,10 +29,15 @@ def load_readme():
     description="Bibtex parser for python 3",
     long_description_content_type="text/markdown",
     long_description=load_readme(),
+    python_requires='>=3.9',
     packages=setuptools.find_packages(include=["bibtexparser", "bibtexparser.*"]),
     classifiers=[
         "Development Status :: 4 - Beta",
         "Programming Language :: Python :: 3",
+        "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
         "Topic :: Scientific/Engineering :: Artificial Intelligence",
         "License :: OSI Approved :: MIT License",
         "Operating System :: OS Independent",