build: Drop support for Python 3.8

duties.py

@@ -117,7 +117,7 @@ def docs(ctx: Context, *cli_args: str, host: str = "127.0.0.1", port: int = 8000
 
 
 @duty
-def docs_deploy(ctx: Context, *, force: bool = False) -> None:
+def docs_deploy(ctx: Context, *, force: bool = False) -> None:  # noqa: ARG001
     """Deploy the documentation to GitHub pages.
 
     Parameters:

src/failprint/capture.py

@@ -8,9 +8,10 @@
 import tempfile
 from contextlib import contextmanager
 from io import StringIO
-from typing import IO, TYPE_CHECKING, Iterator, TextIO
+from typing import IO, TYPE_CHECKING, TextIO
 
 if TYPE_CHECKING:
+    from collections.abc import Iterator
     from types import TracebackType
 
 
@@ -128,7 +129,7 @@ def __enter__(self) -> CaptureManager:  # noqa: PYI034 (false-positive)
 
         # Open devnull if needed.
         if self._capture in {Capture.STDOUT, Capture.STDERR}:
-            self._devnull = open(os.devnull, "w")  # noqa: SIM115
+            self._devnull = open(os.devnull, "w")
 
         # Create temporary file.
         # Initially we used a pipe but it would hang on writes given enough output.

src/failprint/cli.py

@@ -15,13 +15,16 @@
 
 import argparse
 import sys
-from typing import Any, Sequence
+from typing import TYPE_CHECKING, Any
 
 from failprint import debug
 from failprint.capture import Capture
 from failprint.formats import accept_custom_format, formats
 from failprint.runners import run
 
+if TYPE_CHECKING:
+    from collections.abc import Sequence
+
 
 class _DebugInfo(argparse.Action):
     def __init__(self, nargs: int | str | None = 0, **kwargs: Any) -> None:

src/failprint/formats.py

@@ -3,11 +3,12 @@
 from __future__ import annotations
 
 import inspect
-from typing import TYPE_CHECKING, Callable, Sequence
+from typing import TYPE_CHECKING, Callable
 
 from failprint.lazy import LazyCallable
 
 if TYPE_CHECKING:
+    from collections.abc import Sequence
     from types import FrameType
 
     from failprint.types import CmdFuncType

src/failprint/lazy.py

@@ -50,13 +50,11 @@ def lazy_caller(*args: _P.args, **kwargs: _P.kwargs) -> LazyCallable:
 
 
 @overload
-def lazy(call: Callable[_P, _R], name: str | None = None) -> Callable[_P, LazyCallable]:
-    ...  # pragma: no cover
+def lazy(call: Callable[_P, _R], name: str | None = None) -> Callable[_P, LazyCallable]: ...  # pragma: no cover
 
 
 @overload
-def lazy(call: None = None, name: str | None = None) -> _DecoratorType:
-    ...  # pragma: no cover
+def lazy(call: None = None, name: str | None = None) -> _DecoratorType: ...  # pragma: no cover
 
 
 def lazy(call: Callable[_P, _R] | None = None, name: str | None = None) -> Callable[_P, LazyCallable] | _DecoratorType:

src/failprint/process.py

@@ -49,12 +49,12 @@ def run_subprocess(
     if shell and not isinstance(cmd, str):
         cmd = printable_command(cmd)
 
-    process = subprocess.run(
+    process = subprocess.run(  # noqa: S603
         cmd,
         input=stdin,
         stdout=stdout_opt,
         stderr=stderr_opt,
-        shell=shell,  # noqa: S603
+        shell=shell,
         text=True,
         encoding="utf8",
         check=False,

src/failprint/runners.py

@@ -7,7 +7,7 @@
 import sys
 import textwrap
 import traceback
-from typing import TYPE_CHECKING, Callable, Sequence
+from typing import TYPE_CHECKING, Callable
 
 import colorama
 from ansimarkup import parse
@@ -19,6 +19,8 @@
 from failprint.process import WINDOWS, run_pty_subprocess, run_subprocess
 
 if TYPE_CHECKING:
+    from collections.abc import Sequence
+
     from failprint.types import CmdFuncType, CmdType
 
 if WINDOWS:

src/failprint/types.py

@@ -7,11 +7,11 @@
 
 from __future__ import annotations
 
-from typing import Callable, List, Union
+from typing import Callable, Union
 
 from failprint.lazy import LazyCallable
 
-CmdType = Union[str, List[str]]
+CmdType = Union[str, list[str]]
 CmdFuncType = Union[CmdType, Callable, LazyCallable]
 
 __all__ = ["CmdFuncType", "CmdType"]

tests/test_formats.py

@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 
-from typing import Callable, Sequence
+from typing import TYPE_CHECKING, Callable
 
 import pytest
 from hypothesis import given
@@ -11,6 +11,9 @@
 from failprint.formats import DEFAULT_CALLABLE_NAME, GT, LT, _get_callable_name, printable_command
 from failprint.runners import run
 
+if TYPE_CHECKING:
+    from collections.abc import Sequence
+
 
 @pytest.mark.parametrize(
     ("cmd", "expected"),

tests/test_lazy.py

@@ -7,16 +7,14 @@ def test_decorating_function() -> None:
     """Test our `lazy` decorator."""
 
     @lazy
-    def greet() -> None:
-        ...  # pragma: no cover
+    def greet() -> None: ...  # pragma: no cover
 
     non_lazy = greet()
     assert isinstance(non_lazy, LazyCallable)
     assert not non_lazy.name
 
     @lazy(name="lazy_greet")
-    def greet2() -> None:
-        ...  # pragma: no cover
+    def greet2() -> None: ...  # pragma: no cover
 
     non_lazy = greet2()
     assert isinstance(non_lazy, LazyCallable)
@@ -26,8 +24,7 @@ def greet2() -> None:
 def test_lazifying_function() -> None:
     """Test our `lazy` decorator as a function."""
 
-    def greet() -> None:
-        ...  # pragma: no cover
+    def greet() -> None: ...  # pragma: no cover
 
     lazy_greet = lazy(greet)
     non_lazy = lazy_greet()