codespell_ignore_lines_from_errors.py

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"""Simple script for rebuilding .codespell-ignore-lines
 
Usage:
 
cat < /dev/null > .codespell-ignore-lines
pre-commit run --all-files codespell >& /tmp/codespell_errors.txt
python3 tools/codespell_ignore_lines_from_errors.py /tmp/codespell_errors.txt > .codespell-ignore-lines
 
git diff to review changes, then commit, push.
"""
 
from __future__ import annotations
 
import sys
 
 
def run(args: list[str]) -> None:
    assert len(args) == 1, "codespell_errors.txt"
    cache = {}
    done = set()
    with open(args[0]) as f:
        lines = f.read().splitlines()
 
    for line in sorted(lines):
        i = line.find(" ==> ")
        if i > 0:
            flds = line[:i].split(":")
            if len(flds) >= 2:
                filename, line_num = flds[:2]
                if filename not in cache:
                    with open(filename) as f:
                        cache[filename] = f.read().splitlines()
                supp = cache[filename][int(line_num) - 1]
                if supp not in done:
                    print(supp)
                    done.add(supp)
 
 
if __name__ == "__main__":
    run(args=sys.argv[1:])