third_party.pylibs.pylint.src/script/check_newsfragments.py
DetachHead 8a95cffca3
fix undefined-loop-variable with break and continue statements in else blocks (#7318)
Also add better regex explanation for news fragments following hard to fix issue with it.

Co-authored-by: detachhead <detachhead@users.noreply.github.com>
2022-08-19 11:12:52 +02:00

87 lines
2.3 KiB
Python

# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
# For details: https://github.com/PyCQA/pylint/blob/main/LICENSE
# Copyright (c) https://github.com/PyCQA/pylint/blob/main/CONTRIBUTORS.txt
"""Small script to check the formatting of news fragments for towncrier.
Used by pre-commit.
"""
from __future__ import annotations
import argparse
import re
import sys
from pathlib import Path
from re import Pattern
VALID_ISSUES_KEYWORDS = [
"Refs",
"Closes",
"Follow-up in",
"Fixes part of",
]
ISSUES_KEYWORDS = "|".join(VALID_ISSUES_KEYWORDS)
VALID_CHANGELOG_PATTERN = rf"(?P<description>(.*\n)*(.*\.\n))\n(?P<ref>({ISSUES_KEYWORDS}) (PyCQA/astroid)?#(?P<issue>\d+))"
VALID_CHANGELOG_COMPILED_PATTERN: Pattern[str] = re.compile(
VALID_CHANGELOG_PATTERN, flags=re.MULTILINE
)
def main(argv: list[str] | None = None) -> int:
parser = argparse.ArgumentParser()
parser.add_argument(
"filenames",
nargs="*",
metavar="FILES",
help="File names to check",
)
parser.add_argument("--verbose", "-v", action="count", default=0)
args = parser.parse_args(argv)
is_valid = True
for filename in args.filenames:
is_valid &= check_file(Path(filename), args.verbose)
return 0 if is_valid else 1
def check_file(file: Path, verbose: bool) -> bool:
"""Check that a file contains a valid changelog entry."""
with open(file, encoding="utf8") as f:
content = f.read()
match = VALID_CHANGELOG_COMPILED_PATTERN.match(content)
if match:
issue = match.group("issue")
if file.stem != issue:
print(
f"{file} must be named '{issue}.<fragmenttype>', after the issue it references."
)
return False
if verbose:
print(f"Checked '{file}': LGTM 🤖👍")
return True
print(
f"""\
{file}: does not respect the standard format 🤖👎
The standard format is:
<one or more line of text ending with a '.'>
<one blank line>
<issue reference> #<issuenumber>
Where <issue reference> can be one of: {', '.join(VALID_ISSUES_KEYWORDS)}
The regex used is '{VALID_CHANGELOG_COMPILED_PATTERN}'.
For example:
``pylint.x.y`` is now a private API.
Refs #1234
"""
)
return False
if __name__ == "__main__":
sys.exit(main())