From a6420289ac6c08d8a0fcd4e1ce4171d49a790418 Mon Sep 17 00:00:00 2001
From: Jeroen Dekkers <jeroen@dekkers.ch>
Date: Fri, 16 Feb 2024 13:02:41 +0100
Subject: [PATCH] Remove python 3.7 compatibility code and dependencies

---
 README.md            | 2 +-
 setup.cfg            | 8 +++-----
 src/abnf/__init__.py | 5 +----
 src/abnf/typing.py   | 5 +----
 4 files changed, 6 insertions(+), 14 deletions(-)

diff --git a/README.md b/README.md
index d4da5fe..5c1e986 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ The code herein has been in use in production here and there on the internet sin
 
 ## Requirements
 
-ABNF is tested with Python 3.8-12. The package requires typing_extensions >=4, and for python 3.7, importlib_metadata.
+ABNF is tested with Python 3.8-12.
 
 
 ## Installation
diff --git a/setup.cfg b/setup.cfg
index e1d79e0..8dd3924 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -15,10 +15,11 @@ classifiers =
     Topic :: Software Development :: Interpreters
     Programming Language :: Python
     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
+    Programming Language :: Python :: 3.12
 platforms = any
 
 [options]
@@ -26,10 +27,7 @@ package_dir=
     = src
 packages=find:
 
-install_requires=
-    typing_extensions >=4, <5
-    importlib_metadata; python_version < '3.8'
-python_requires = >=3
+python_requires = >=3.8
 zip_safe = False
 bdist_wheel = universal:1
 [options.packages.find]
diff --git a/src/abnf/__init__.py b/src/abnf/__init__.py
index b6a87f5..0585ffd 100644
--- a/src/abnf/__init__.py
+++ b/src/abnf/__init__.py
@@ -2,10 +2,7 @@
 
 import sys
 
-if sys.version_info >= (3, 8):
-    from importlib.metadata import PackageNotFoundError, metadata  # pragma: no cover
-else:
-    from importlib_metadata import metadata, PackageNotFoundError  # pragma: no cover
+from importlib.metadata import PackageNotFoundError, metadata  # pragma: no cover
 
 from abnf.parser import GrammarError, LiteralNode, Node, NodeVisitor, ParseError, Rule
 
diff --git a/src/abnf/typing.py b/src/abnf/typing.py
index a0de371..571a0a7 100644
--- a/src/abnf/typing.py
+++ b/src/abnf/typing.py
@@ -6,9 +6,6 @@
 
 import sys  # pragma: no cover
 
-if sys.version_info >= (3, 8):  # pragma: no cover
-    from typing import Protocol, runtime_checkable
-else:
-    from typing_extensions import Protocol, runtime_checkable  # pragma: no cover
+from typing import Protocol, runtime_checkable
 
 __all__ = ["Protocol", "runtime_checkable"]  # pragma: no cover