RustPython/scripts/check_redundant_patches.py at main · RustPython/RustPython · GitHub

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#!/usr/bin/env python3

import argparse

import ast

import glob

import os

import pathlib

import sys

ROOT = pathlib.Path(__file__).parents[1]

TEST_DIR = ROOT / "Lib" / "test"

IS_GH_CI = "GITHUB_ACTIONS" in os.environ

def build_argparser() -> argparse.ArgumentParser:

parser = argparse.ArgumentParser(prog="check_redundant_patches")

parser.add_argument(

"patterns",

nargs="*",

default=[f"{TEST_DIR}/**/*.py"],

help="Glob patterns (e.g. foo/bar/**.py a/b/file.py)",

)

return parser

def iter_files(patterns: list[str]):

seen = set()

for pattern in set(patterns):

matches = glob.glob(pattern, recursive=True)

for path in matches:

if path in seen:

continue

seen.add(path)

yield path

def main(patterns: list[str]):

exit_status = 0

for file in map(pathlib.Path, iter_files(patterns)):

if file.is_dir():

continue

try:

contents = file.read_text(encoding="utf-8")

except UnicodeDecodeError:

continue

try:

tree = ast.parse(contents)

except SyntaxError:

continue

cls_name = None

for node in ast.walk(tree):

if isinstance(node, ast.ClassDef):

cls_name = node.name

if not isinstance(node, (ast.FunctionDef, ast.AsyncFunctionDef)):

continue

name = node.name

if not name.startswith("test"):

continue

if node.decorator_list:

continue

func_code = ast.unparse(node.body)

if func_code in (

f"await super().{name}()",

f"return await super().{name}()",

f"return super().{name}()",

f"super().{name}()",

exit_status += 1

lineno = node.lineno

msg = f"{file}:{lineno}:{cls_name}.{name} is a test patch that can be safely removed"

if IS_GH_CI:

end_lineno = node.end_lineno

msg = f"::error file={file},line={lineno},endLine={end_lineno},title=Redundant Test Patch::{msg}"

print(msg, file=sys.stderr)

return exit_status

if __name__ == "__main__":

parser = build_argparser()

args = parser.parse_args()

exit(main(args.patterns))

RustPython/scripts/check_redundant_patches.py at main · RustPython/RustPython · GitHub

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