build: Drop support for Python 3.8

Author: pawamoy

pyproject.toml

@@ -9,7 +9,7 @@ authors = [{name = "Timothée Mazzucotelli", email = "dev@pawamoy.fr"}]
 license = "ISC"
 license-files = ["LICENSE"]
 readme = "README.md"
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 keywords = []
 dynamic = ["version"]
 classifiers = [
@@ -18,7 +18,6 @@ classifiers = [
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
     "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",

src/mkdocstrings_handlers/python/debug.py

@@ -5,7 +5,6 @@
 import sys
 from dataclasses import dataclass
 from importlib import metadata
-from typing import List, Tuple
 
 
 @dataclass
@@ -38,13 +37,13 @@ class Environment:
     """Python interpreter version."""
     platform: str
     """Operating System."""
-    packages: List[Package]
+    packages: list[Package]
     """Installed packages."""
-    variables: List[Variable]
+    variables: list[Variable]
     """Environment variables."""
 
 
-def _interpreter_name_version() -> Tuple[str, str]:
+def _interpreter_name_version() -> tuple[str, str]:
     if hasattr(sys, "implementation"):
         impl = sys.implementation.version
         version = f"{impl.major}.{impl.minor}.{impl.micro}"

src/mkdocstrings_handlers/python/handler.py

@@ -9,8 +9,10 @@
 import sys
 import traceback
 from collections import ChainMap
+from collections.abc import Iterator, Mapping, MutableMapping
+from pathlib import Path
 from subprocess import PIPE, Popen
-from typing import Any, BinaryIO, ClassVar, Iterator, List, Mapping, MutableMapping, Optional, Tuple
+from typing import Any, BinaryIO, ClassVar, Optional
 
 from markdown import Markdown
 from mkdocstrings.extension import PluginError
@@ -200,7 +202,7 @@ def load_inventory(
         url: str,
         base_url: Optional[str] = None,
         **kwargs: Any,  # noqa: ARG003
-    ) -> Iterator[Tuple[str, str]]:
+    ) -> Iterator[tuple[str, str]]:
         """Yield items and their URLs from an inventory file streamed from `in_file`.
 
         This implements mkdocstrings' `load_inventory` "protocol" (see plugin.py).
@@ -324,7 +326,7 @@ def render(self, data: CollectorItem, config: Mapping[str, Any]) -> str:  # noqa
             **{"config": final_config, data["category"]: data, "heading_level": heading_level, "root": True},
         )
 
-    def get_anchors(self, data: CollectorItem) -> Tuple[str, ...]:  # noqa: D102 (ignore missing docstring)
+    def get_anchors(self, data: CollectorItem) -> tuple[str, ...]:  # noqa: D102 (ignore missing docstring)
         try:
             return (data["path"],)
         except KeyError:

tests/conftest.py

@@ -3,13 +3,14 @@
 from __future__ import annotations
 
 from collections import ChainMap
-from typing import TYPE_CHECKING, Iterator
+from typing import TYPE_CHECKING
 
 import pytest
 from markdown.core import Markdown
 from mkdocs.config.defaults import MkDocsConfig
 
 if TYPE_CHECKING:
+    from collections.abc import Iterator
     from pathlib import Path
 
     from mkdocstrings.extension import MkdocstringsExtension
@@ -78,4 +79,4 @@ def fixture_ext_markdown(plugin: MkdocstringsPlugin) -> MkdocstringsExtension:
     Returns:
         The plugin Markdown instance.
     """
-    return plugin.md  # type: ignore[attr-defined]
+    return plugin.md