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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import argparse
import itertools
import logging
import os
import subprocess
import sys
import typing
import githelper
def run_codespell_on_lines(rootdir, filename, lines, codespell_args):
"""
Run codespell on the requested lines.
Returns 1 if any changes were made, else 0.
"""
logger = logging.getLogger(__name__)
cmd = ["codespell", *codespell_args, "--", filename]
logger.debug("Running command: %r", cmd)
try:
subprocess.check_output(cmd)
except subprocess.CalledProcessError as e:
output = e.output.decode().strip()
else:
return 0
result = 0
for line in output.splitlines():
matched_fname_with_line = line.partition(": ")[0]
matched_fname, _, linenum = matched_fname_with_line.rpartition(":")
assert matched_fname == filename
if int(linenum) in lines:
result = 1
print(line)
return result
def main(argv: typing.Optional[typing.List[str]] = None) -> int:
parser = argparse.ArgumentParser()
parser.add_argument("--from-ref", help="use changes changes since commit")
parser.add_argument("--to-ref", help="use changes until commit")
parser.add_argument("--files", nargs="*", help="only check these files")
parser.add_argument(
"-v", "--verbose", action="store_true", help="Be verbose"
)
args, codespell_args = parser.parse_known_args(argv)
logging.basicConfig(
format="[%(levelname)s] %(message)s",
level=logging.DEBUG if args.verbose else logging.INFO,
)
if not args.from_ref:
args.from_ref = os.getenv("PRE_COMMIT_FROM_REF") or os.getenv(
"PRE_COMMIT_SOURCE"
)
if not args.to_ref:
args.to_ref = os.getenv("PRE_COMMIT_TO_REF") or os.getenv(
"PRE_COMMIT_ORIGIN"
)
# Filter filenames
rootdir = githelper.get_toplevel_path()
files_with_added_lines = githelper.get_changed_lines(
from_ref=args.from_ref,
to_ref=args.to_ref,
filter_lines=lambda line: line.added,
include_files=args.files,
)
result = 0
for filename, file_lines in itertools.groupby(
files_with_added_lines, key=lambda line: line.sourcefile
):
lines = set(line.number for line in file_lines)
result |= run_codespell_on_lines(
rootdir,
filename,
lines,
[arg for arg in codespell_args if arg != "--"],
)
return result
if __name__ == "__main__":
sys.exit(main())
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