drop python 3.6 support

python 3.6 reached end of life on 2021-12-23

pre_commit/languages/all.py

@@ -1,8 +1,8 @@
+from __future__ import annotations
+
 from typing import Callable
 from typing import NamedTuple
-from typing import Optional
 from typing import Sequence
-from typing import Tuple
 
 from pre_commit.hook import Hook
 from pre_commit.languages import conda
@@ -30,7 +30,7 @@ from pre_commit.prefix import Prefix
 class Language(NamedTuple):
     name: str
     # Use `None` for no installation / environment
-    ENVIRONMENT_DIR: Optional[str]
+    ENVIRONMENT_DIR: str | None
     # return a value to replace `'default` for `language_version`
     get_default_version: Callable[[], str]
     # return whether the environment is healthy (or should be rebuilt)
@@ -38,7 +38,7 @@ class Language(NamedTuple):
     # install a repository for the given language and language_version
     install_environment: Callable[[Prefix, str, Sequence[str]], None]
     # execute a hook and return the exit code and output
-    run_hook: 'Callable[[Hook, Sequence[str], bool], Tuple[int, bytes]]'
+    run_hook: Callable[[Hook, Sequence[str], bool], tuple[int, bytes]]
 
 
 # TODO: back to modules + Protocol: https://github.com/python/mypy/issues/5018

pre_commit/languages/conda.py

@@ -1,8 +1,9 @@
+from __future__ import annotations
+
 import contextlib
 import os
 from typing import Generator
 from typing import Sequence
-from typing import Tuple
 
 from pre_commit.envcontext import envcontext
 from pre_commit.envcontext import PatchesT
@@ -86,7 +87,7 @@ def run_hook(
         hook: Hook,
         file_args: Sequence[str],
         color: bool,
-) -> Tuple[int, bytes]:
+) -> tuple[int, bytes]:
     # TODO: Some rare commands need to be run using `conda run` but mostly we
     #       can run them without which is much quicker and produces a better
     #       output.

pre_commit/languages/coursier.py

@@ -1,8 +1,9 @@
+from __future__ import annotations
+
 import contextlib
 import os
 from typing import Generator
 from typing import Sequence
-from typing import Tuple
 
 from pre_commit.envcontext import envcontext
 from pre_commit.envcontext import PatchesT
@@ -66,6 +67,6 @@ def run_hook(
         hook: Hook,
         file_args: Sequence[str],
         color: bool,
-) -> Tuple[int, bytes]:   # pragma: win32 no cover
+) -> tuple[int, bytes]:   # pragma: win32 no cover
     with in_env(hook.prefix):
         return helpers.run_xargs(hook, hook.cmd, file_args, color=color)

pre_commit/languages/dart.py

@@ -1,10 +1,11 @@
+from __future__ import annotations
+
 import contextlib
 import os.path
 import shutil
 import tempfile
 from typing import Generator
 from typing import Sequence
-from typing import Tuple
 
 import pre_commit.constants as C
 from pre_commit.envcontext import envcontext
@@ -76,7 +77,7 @@ def install_environment(
             with tempfile.TemporaryDirectory() as dep_tmp:
                 dep, _, version = dep_s.partition(':')
                 if version:
-                    dep_cmd: Tuple[str, ...] = (dep, '--version', version)
+                    dep_cmd: tuple[str, ...] = (dep, '--version', version)
                 else:
                     dep_cmd = (dep,)
 
@@ -104,6 +105,6 @@ def run_hook(
         hook: Hook,
         file_args: Sequence[str],
         color: bool,
-) -> Tuple[int, bytes]:
+) -> tuple[int, bytes]:
     with in_env(hook.prefix):
         return helpers.run_xargs(hook, hook.cmd, file_args, color=color)

pre_commit/languages/docker.py

@@ -1,8 +1,9 @@
+from __future__ import annotations
+
 import hashlib
 import json
 import os
 from typing import Sequence
-from typing import Tuple
 
 import pre_commit.constants as C
 from pre_commit.hook import Hook
@@ -76,7 +77,7 @@ def build_docker_image(
         *,
         pull: bool,
 ) -> None:  # pragma: win32 no cover
-    cmd: Tuple[str, ...] = (
+    cmd: tuple[str, ...] = (
         'docker', 'build',
         '--tag', docker_tag(prefix),
         '--label', PRE_COMMIT_LABEL,
@@ -105,14 +106,14 @@ def install_environment(
         os.mkdir(directory)
 
 
-def get_docker_user() -> Tuple[str, ...]:  # pragma: win32 no cover
+def get_docker_user() -> tuple[str, ...]:  # pragma: win32 no cover
     try:
         return ('-u', f'{os.getuid()}:{os.getgid()}')
     except AttributeError:
         return ()
 
 
-def docker_cmd() -> Tuple[str, ...]:  # pragma: win32 no cover
+def docker_cmd() -> tuple[str, ...]:  # pragma: win32 no cover
     return (
         'docker', 'run',
         '--rm',
@@ -129,7 +130,7 @@ def run_hook(
         hook: Hook,
         file_args: Sequence[str],
         color: bool,
-) -> Tuple[int, bytes]:  # pragma: win32 no cover
+) -> tuple[int, bytes]:  # pragma: win32 no cover
     # Rebuild the docker image in case it has gone missing, as many people do
     # automated cleanup of docker images.
     build_docker_image(hook.prefix, pull=False)

pre_commit/languages/docker_image.py

@@ -1,5 +1,6 @@
+from __future__ import annotations
+
 from typing import Sequence
-from typing import Tuple
 
 from pre_commit.hook import Hook
 from pre_commit.languages import helpers
@@ -15,6 +16,6 @@ def run_hook(
         hook: Hook,
         file_args: Sequence[str],
         color: bool,
-) -> Tuple[int, bytes]:  # pragma: win32 no cover
+) -> tuple[int, bytes]:  # pragma: win32 no cover
     cmd = docker_cmd() + hook.cmd
     return helpers.run_xargs(hook, cmd, file_args, color=color)

pre_commit/languages/dotnet.py

@@ -1,8 +1,9 @@
+from __future__ import annotations
+
 import contextlib
 import os.path
 from typing import Generator
 from typing import Sequence
-from typing import Tuple
 
 import pre_commit.constants as C
 from pre_commit.envcontext import envcontext
@@ -84,6 +85,6 @@ def run_hook(
         hook: Hook,
         file_args: Sequence[str],
         color: bool,
-) -> Tuple[int, bytes]:
+) -> tuple[int, bytes]:
     with in_env(hook.prefix):
         return helpers.run_xargs(hook, hook.cmd, file_args, color=color)

pre_commit/languages/fail.py

@@ -1,5 +1,6 @@
+from __future__ import annotations
+
 from typing import Sequence
-from typing import Tuple
 
 from pre_commit.hook import Hook
 from pre_commit.languages import helpers
@@ -14,7 +15,7 @@ def run_hook(
         hook: Hook,
         file_args: Sequence[str],
         color: bool,
-) -> Tuple[int, bytes]:
+) -> tuple[int, bytes]:
     out = f'{hook.entry}\n\n'.encode()
     out += b'\n'.join(f.encode() for f in file_args) + b'\n'
     return 1, out

pre_commit/languages/golang.py

@@ -1,9 +1,10 @@
+from __future__ import annotations
+
 import contextlib
 import os.path
 import sys
 from typing import Generator
 from typing import Sequence
-from typing import Tuple
 
 import pre_commit.constants as C
 from pre_commit import git
@@ -95,6 +96,6 @@ def run_hook(
         hook: Hook,
         file_args: Sequence[str],
         color: bool,
-) -> Tuple[int, bytes]:
+) -> tuple[int, bytes]:
     with in_env(hook.prefix):
         return helpers.run_xargs(hook, hook.cmd, file_args, color=color)

pre_commit/languages/helpers.py

@@ -1,13 +1,12 @@
+from __future__ import annotations
+
 import multiprocessing
 import os
 import random
 import re
 from typing import Any
-from typing import List
-from typing import Optional
 from typing import overload
 from typing import Sequence
-from typing import Tuple
 from typing import TYPE_CHECKING
 
 import pre_commit.constants as C
@@ -32,7 +31,7 @@ def exe_exists(exe: str) -> bool:
 
     homedir = os.path.expanduser('~')
     try:
-        common: Optional[str] = os.path.commonpath((found, homedir))
+        common: str | None = os.path.commonpath((found, homedir))
     except ValueError:  # on windows, different drives raises ValueError
         common = None
 
@@ -48,7 +47,7 @@ def exe_exists(exe: str) -> bool:
     )
 
 
-def run_setup_cmd(prefix: Prefix, cmd: Tuple[str, ...], **kwargs: Any) -> None:
+def run_setup_cmd(prefix: Prefix, cmd: tuple[str, ...], **kwargs: Any) -> None:
     cmd_output_b(*cmd, cwd=prefix.prefix_dir, **kwargs)
 
 
@@ -58,7 +57,7 @@ def environment_dir(d: None, language_version: str) -> None: ...
 def environment_dir(d: str, language_version: str) -> str: ...
 
 
-def environment_dir(d: Optional[str], language_version: str) -> Optional[str]:
+def environment_dir(d: str | None, language_version: str) -> str | None:
     if d is None:
         return None
     else:
@@ -95,7 +94,7 @@ def no_install(
         prefix: Prefix,
         version: str,
         additional_dependencies: Sequence[str],
-) -> 'NoReturn':
+) -> NoReturn:
     raise AssertionError('This type is not installable')
 
 
@@ -113,7 +112,7 @@ def target_concurrency(hook: Hook) -> int:
                 return 1
 
 
-def _shuffled(seq: Sequence[str]) -> List[str]:
+def _shuffled(seq: Sequence[str]) -> list[str]:
     """Deterministically shuffle"""
     fixed_random = random.Random()
     fixed_random.seed(FIXED_RANDOM_SEED, version=1)
@@ -125,10 +124,10 @@ def _shuffled(seq: Sequence[str]) -> List[str]:
 
 def run_xargs(
         hook: Hook,
-        cmd: Tuple[str, ...],
+        cmd: tuple[str, ...],
         file_args: Sequence[str],
         **kwargs: Any,
-) -> Tuple[int, bytes]:
+) -> tuple[int, bytes]:
     # Shuffle the files so that they more evenly fill out the xargs partitions,
     # but do it deterministically in case a hook cares about ordering.
     file_args = _shuffled(file_args)

pre_commit/languages/lua.py

@@ -1,9 +1,10 @@
+from __future__ import annotations
+
 import contextlib
 import os
 import sys
 from typing import Generator
 from typing import Sequence
-from typing import Tuple
 
 import pre_commit.constants as C
 from pre_commit.envcontext import envcontext
@@ -85,6 +86,6 @@ def run_hook(
     hook: Hook,
     file_args: Sequence[str],
     color: bool,
-) -> Tuple[int, bytes]:  # pragma: win32 no cover
+) -> tuple[int, bytes]:  # pragma: win32 no cover
     with in_env(hook.prefix):
         return helpers.run_xargs(hook, hook.cmd, file_args, color=color)

pre_commit/languages/node.py

@@ -1,10 +1,11 @@
+from __future__ import annotations
+
 import contextlib
 import functools
 import os
 import sys
 from typing import Generator
 from typing import Sequence
-from typing import Tuple
 
 import pre_commit.constants as C
 from pre_commit.envcontext import envcontext
@@ -122,6 +123,6 @@ def run_hook(
         hook: Hook,
         file_args: Sequence[str],
         color: bool,
-) -> Tuple[int, bytes]:
+) -> tuple[int, bytes]:
     with in_env(hook.prefix, hook.language_version):
         return helpers.run_xargs(hook, hook.cmd, file_args, color=color)

pre_commit/languages/perl.py

@@ -1,9 +1,10 @@
+from __future__ import annotations
+
 import contextlib
 import os
 import shlex
 from typing import Generator
 from typing import Sequence
-from typing import Tuple
 
 from pre_commit.envcontext import envcontext
 from pre_commit.envcontext import PatchesT
@@ -62,6 +63,6 @@ def run_hook(
         hook: Hook,
         file_args: Sequence[str],
         color: bool,
-) -> Tuple[int, bytes]:
+) -> tuple[int, bytes]:
     with in_env(hook.prefix, hook.language_version):
         return helpers.run_xargs(hook, hook.cmd, file_args, color=color)

pre_commit/languages/pygrep.py

@@ -1,11 +1,11 @@
+from __future__ import annotations
+
 import argparse
 import re
 import sys
 from typing import NamedTuple
-from typing import Optional
 from typing import Pattern
 from typing import Sequence
-from typing import Tuple
 
 from pre_commit import output
 from pre_commit.hook import Hook
@@ -90,12 +90,12 @@ def run_hook(
         hook: Hook,
         file_args: Sequence[str],
         color: bool,
-) -> Tuple[int, bytes]:
+) -> tuple[int, bytes]:
     exe = (sys.executable, '-m', __name__) + tuple(hook.args) + (hook.entry,)
     return xargs(exe, file_args, color=color)
 
 
-def main(argv: Optional[Sequence[str]] = None) -> int:
+def main(argv: Sequence[str] | None = None) -> int:
     parser = argparse.ArgumentParser(
         description=(
             'grep-like finder using python regexes.  Unlike grep, this tool '

pre_commit/languages/python.py

@@ -1,12 +1,11 @@
+from __future__ import annotations
+
 import contextlib
 import functools
 import os
 import sys
-from typing import Dict
 from typing import Generator
-from typing import Optional
 from typing import Sequence
-from typing import Tuple
 
 import pre_commit.constants as C
 from pre_commit.envcontext import envcontext
@@ -35,7 +34,7 @@ def _version_info(exe: str) -> str:
         return f'<<error retrieving version from {exe}>>'
 
 
-def _read_pyvenv_cfg(filename: str) -> Dict[str, str]:
+def _read_pyvenv_cfg(filename: str) -> dict[str, str]:
     ret = {}
     with open(filename, encoding='UTF-8') as f:
         for line in f:
@@ -65,7 +64,7 @@ def get_env_patch(venv: str) -> PatchesT:
 
 def _find_by_py_launcher(
         version: str,
-) -> Optional[str]:  # pragma: no cover (windows only)
+) -> str | None:  # pragma: no cover (windows only)
     if version.startswith('python'):
         num = version[len('python'):]
         cmd = ('py', f'-{num}', '-c', 'import sys; print(sys.executable)')
@@ -77,8 +76,8 @@ def _find_by_py_launcher(
     return None
 
 
-def _find_by_sys_executable() -> Optional[str]:
-    def _norm(path: str) -> Optional[str]:
+def _find_by_sys_executable() -> str | None:
+    def _norm(path: str) -> str | None:
         _, exe = os.path.split(path.lower())
         exe, _, _ = exe.partition('.exe')
         if exe not in {'python', 'pythonw'} and find_executable(exe):
@@ -133,7 +132,7 @@ def _sys_executable_matches(version: str) -> bool:
     return sys.version_info[:len(info)] == info
 
 
-def norm_version(version: str) -> Optional[str]:
+def norm_version(version: str) -> str | None:
     if version == C.DEFAULT:  # use virtualenv's default
         return None
     elif _sys_executable_matches(version):  # virtualenv defaults to our exe
@@ -209,6 +208,6 @@ def run_hook(
         hook: Hook,
         file_args: Sequence[str],
         color: bool,
-) -> Tuple[int, bytes]:
+) -> tuple[int, bytes]:
     with in_env(hook.prefix, hook.language_version):
         return helpers.run_xargs(hook, hook.cmd, file_args, color=color)

pre_commit/languages/r.py

@@ -1,10 +1,11 @@
+from __future__ import annotations
+
 import contextlib
 import os
 import shlex
 import shutil
 from typing import Generator
 from typing import Sequence
-from typing import Tuple
 
 from pre_commit.envcontext import envcontext
 from pre_commit.envcontext import PatchesT
@@ -80,7 +81,7 @@ def _entry_validate(entry: Sequence[str]) -> None:
         )
 
 
-def _cmd_from_hook(hook: Hook) -> Tuple[str, ...]:
+def _cmd_from_hook(hook: Hook) -> tuple[str, ...]:
     entry = shlex.split(hook.entry)
     _entry_validate(entry)
 
@@ -148,7 +149,7 @@ def run_hook(
         hook: Hook,
         file_args: Sequence[str],
         color: bool,
-) -> Tuple[int, bytes]:
+) -> tuple[int, bytes]:
     with in_env(hook.prefix, hook.language_version):
         return helpers.run_xargs(
             hook, _cmd_from_hook(hook), file_args, color=color,

pre_commit/languages/ruby.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import contextlib
 import functools
 import os.path
@@ -5,7 +7,6 @@ import shutil
 import tarfile
 from typing import Generator
 from typing import Sequence
-from typing import Tuple
 
 import pre_commit.constants as C
 from pre_commit.envcontext import envcontext
@@ -146,6 +147,6 @@ def run_hook(
         hook: Hook,
         file_args: Sequence[str],
         color: bool,
-) -> Tuple[int, bytes]:
+) -> tuple[int, bytes]:
     with in_env(hook.prefix, hook.language_version):
         return helpers.run_xargs(hook, hook.cmd, file_args, color=color)

pre_commit/languages/rust.py

@@ -1,9 +1,9 @@
+from __future__ import annotations
+
 import contextlib
 import os.path
 from typing import Generator
 from typing import Sequence
-from typing import Set
-from typing import Tuple
 
 import toml
 
@@ -39,7 +39,7 @@ def in_env(prefix: Prefix) -> Generator[None, None, None]:
 
 def _add_dependencies(
         cargo_toml_path: str,
-        additional_dependencies: Set[str],
+        additional_dependencies: set[str],
 ) -> None:
     with open(cargo_toml_path, 'r+') as f:
         cargo_toml = toml.load(f)
@@ -81,7 +81,7 @@ def install_environment(
         _add_dependencies(prefix.path('Cargo.toml'), lib_deps)
 
     with clean_path_on_failure(directory):
-        packages_to_install: Set[Tuple[str, ...]] = {('--path', '.')}
+        packages_to_install: set[tuple[str, ...]] = {('--path', '.')}
         for cli_dep in cli_deps:
             cli_dep = cli_dep[len('cli:'):]
             package, _, version = cli_dep.partition(':')
@@ -101,6 +101,6 @@ def run_hook(
         hook: Hook,
         file_args: Sequence[str],
         color: bool,
-) -> Tuple[int, bytes]:
+) -> tuple[int, bytes]:
     with in_env(hook.prefix):
         return helpers.run_xargs(hook, hook.cmd, file_args, color=color)

pre_commit/languages/script.py

@@ -1,5 +1,6 @@
+from __future__ import annotations
+
 from typing import Sequence
-from typing import Tuple
 
 from pre_commit.hook import Hook
 from pre_commit.languages import helpers
@@ -14,6 +15,6 @@ def run_hook(
         hook: Hook,
         file_args: Sequence[str],
         color: bool,
-) -> Tuple[int, bytes]:
+) -> tuple[int, bytes]:
     cmd = (hook.prefix.path(hook.cmd[0]), *hook.cmd[1:])
     return helpers.run_xargs(hook, cmd, file_args, color=color)

pre_commit/languages/swift.py

@@ -1,8 +1,9 @@
+from __future__ import annotations
+
 import contextlib
 import os
 from typing import Generator
 from typing import Sequence
-from typing import Tuple
 
 import pre_commit.constants as C
 from pre_commit.envcontext import envcontext
@@ -59,6 +60,6 @@ def run_hook(
         hook: Hook,
         file_args: Sequence[str],
         color: bool,
-) -> Tuple[int, bytes]:  # pragma: win32 no cover
+) -> tuple[int, bytes]:  # pragma: win32 no cover
     with in_env(hook.prefix):
         return helpers.run_xargs(hook, hook.cmd, file_args, color=color)

pre_commit/languages/system.py

@@ -1,5 +1,6 @@
+from __future__ import annotations
+
 from typing import Sequence
-from typing import Tuple
 
 from pre_commit.hook import Hook
 from pre_commit.languages import helpers
@@ -15,5 +16,5 @@ def run_hook(
         hook: Hook,
         file_args: Sequence[str],
         color: bool,
-) -> Tuple[int, bytes]:
+) -> tuple[int, bytes]:
     return helpers.run_xargs(hook, hook.cmd, file_args, color=color)