Remove linters from requirements-tests.txt (#12725)

.pre-commit-config.yaml

@@ -1,6 +1,6 @@
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.6.0 # must match requirements-tests.txt
+    rev: v4.6.0
     hooks:
       - id: trailing-whitespace
       - id: end-of-file-fixer
@@ -27,16 +27,16 @@ repos:
           - "--unsafe-fixes"
         files: '.*test_cases/.+\.py$'
   - repo: https://github.com/psf/black-pre-commit-mirror
-    rev: 24.8.0 # must match requirements-tests.txt
+    rev: 24.8.0
     hooks:
       - id: black
   - repo: https://github.com/pycqa/flake8
-    rev: 7.1.1 # must match requirements-tests.txt
+    rev: 7.1.1
     hooks:
       - id: flake8
         additional_dependencies:
-          - "flake8-noqa==1.4.0" # must match requirements-tests.txt
-          - "flake8-pyi==24.6.0" # must match requirements-tests.txt
+          - "flake8-noqa==1.4.0"
+          - "flake8-pyi==24.6.0"
         types: [file]
         types_or: [python, pyi]
   - repo: meta

requirements-tests.txt

@@ -1,16 +1,9 @@
-# Type checkers and other linters that we test our stubs against. These should always
-# be pinned to a specific version to make failure reproducible. See also the
-# "tool.typeshed" section in pyproject.toml for additional type checkers.
-black==24.8.0            # must match .pre-commit-config.yaml
-flake8==7.1.1            # must match .pre-commit-config.yaml
-flake8-noqa==1.4.0       # must match .pre-commit-config.yaml
-flake8-pyi==24.6.0       # must match .pre-commit-config.yaml
+# Type checkers that we test our stubs against. These should always
+# be pinned to a specific version to make failure reproducible.
 mypy==1.11.2
-pre-commit-hooks==4.6.0  # must match .pre-commit-config.yaml
 pyright==1.1.383
 # pytype can be installed on Windows, but requires building wheels, let's not do that on the CI
 pytype==2024.9.13; platform_system != "Windows" and python_version < "3.13"
-ruff==0.6.8              # must match .pre-commit-config.yaml
 
 # Libraries used by our various scripts.
 aiohttp==3.10.8
@@ -21,6 +14,8 @@ mypy-protobuf==3.6.0
 packaging==24.1
 pathspec>=0.11.1
 pre-commit
+# Required by create_baseline_stubs.py. Must match .pre-commit-config.yaml.
+ruff==0.6.8
 stubdefaulter==0.1.0
 termcolor>=2.3
 tomli==2.0.1

scripts/create_baseline_stubs.py

@@ -12,7 +12,8 @@
 
 import argparse
 import asyncio
-import os
+import glob
+import os.path
 import re
 import subprocess
 import sys
@@ -60,7 +61,7 @@ def run_stubdefaulter(stub_dir: str) -> None:
 
 def run_black(stub_dir: str) -> None:
     print(f"Running Black: black {stub_dir}")
-    subprocess.run(["black", stub_dir])
+    subprocess.run(["pre-commit", "run", "black", "--files", *glob.iglob(f"{stub_dir}/**/*.pyi")])
 
 
 def run_ruff(stub_dir: str) -> None:

tests/check_typeshed_structure.py

@@ -30,7 +30,7 @@
 
 # These type checkers and linters must have exact versions in the requirements file to ensure
 # consistent CI runs.
-linters = {"black", "flake8", "flake8-noqa", "flake8-pyi", "mypy", "pyright", "pytype", "ruff"}
+linters = {"mypy", "pyright", "pytype", "ruff"}
 
 
 def assert_consistent_filetypes(