Drop Python 3.7 (#507)

.github/workflows/ci.yml

@@ -49,7 +49,7 @@ jobs:
     name: Test
     strategy:
       matrix:
-        pyver: ['3.7', '3.8', '3.9', '3.10']
+        pyver: ['3.8', '3.9', '3.10']
         os: [ubuntu, macos, windows]
         include:
           - pyver: pypy-3.8

aiohttp_debugtoolbar/main.py

@@ -1,12 +1,6 @@
 import secrets
-import sys
 from pathlib import Path
-from typing import Iterable, Sequence, Tuple, Type, Union
-
-if sys.version_info >= (3, 8):
-    from typing import Literal, TypedDict
-else:
-    from typing_extensions import Literal, TypedDict
+from typing import Iterable, Literal, Sequence, Tuple, Type, TypedDict, Union
 
 import aiohttp_jinja2
 import jinja2

aiohttp_debugtoolbar/panels/versions.py

@@ -1,18 +1,11 @@
 import platform
 import sys
+from importlib.metadata import Distribution, version
 from operator import itemgetter
 from typing import ClassVar, Dict, List, Optional
 
 from .base import DebugPanel
 
-if sys.version_info >= (3, 8):
-    from importlib.metadata import Distribution, version
-else:
-    Distribution = None
-
-    def version(_v):
-        return ""
-
 
 __all__ = ("VersionDebugPanel",)
 aiohttp_version = version("aiohttp")
@@ -44,9 +37,6 @@ def get_packages(cls) -> List[Dict[str, str]]:
         if VersionDebugPanel.packages:
             return VersionDebugPanel.packages
 
-        if Distribution is None:
-            return ()  # type: ignore[unreachable]
-
         packages = []
         for distribution in Distribution.discover():
             name = distribution.metadata["Name"]

requirements.txt

@@ -14,5 +14,4 @@ pytest-aiohttp==1.0.5
 pytest-cov==4.1.0
 pytest-sugar==0.9.7
 pytest-timeout==2.2.0
-typing_extensions>=3.8; python_version<"3.8"
 yarl==1.9.2

setup.py

@@ -26,7 +26,6 @@ def read(fname):
         "Intended Audience :: Developers",
         "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",
@@ -41,7 +40,6 @@ def read(fname):
     install_requires=(
         "aiohttp>=3.8",
         "aiohttp_jinja2",
-        'typing_extensions>=3.8; python_version<"3.8"',
     ),
     include_package_data=True,
 )

tests/test_panels_versions.py

@@ -1,13 +1,10 @@
-import sys
 from unittest.mock import create_autospec
 
-import pytest
 from aiohttp import web
 
 from aiohttp_debugtoolbar.panels import VersionDebugPanel
 
 
-@pytest.mark.skipif(sys.version_info < (3, 8), reason="Missing importlib.metadata")
 async def test_packages():
     request_mock = create_autospec(web.Request)
     panel = VersionDebugPanel(request_mock)