From ceb85610c77b7487b0b7d742415301922c6b13b6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 21 May 2024 22:47:18 +0200 Subject: Adding upstream version 4.5.0+dfsg. Signed-off-by: Daniel Baumann --- pre_commit_hooks/check_json.py | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 pre_commit_hooks/check_json.py (limited to 'pre_commit_hooks/check_json.py') diff --git a/pre_commit_hooks/check_json.py b/pre_commit_hooks/check_json.py new file mode 100644 index 0000000..6a679fe --- /dev/null +++ b/pre_commit_hooks/check_json.py @@ -0,0 +1,38 @@ +from __future__ import annotations + +import argparse +import json +from typing import Any +from typing import Sequence + + +def raise_duplicate_keys( + ordered_pairs: list[tuple[str, Any]], +) -> dict[str, Any]: + d = {} + for key, val in ordered_pairs: + if key in d: + raise ValueError(f'Duplicate key: {key}') + else: + d[key] = val + return d + + +def main(argv: Sequence[str] | None = None) -> int: + parser = argparse.ArgumentParser() + parser.add_argument('filenames', nargs='*', help='Filenames to check.') + args = parser.parse_args(argv) + + retval = 0 + for filename in args.filenames: + with open(filename, 'rb') as f: + try: + json.load(f, object_pairs_hook=raise_duplicate_keys) + except ValueError as exc: + print(f'{filename}: Failed to json decode ({exc})') + retval = 1 + return retval + + +if __name__ == '__main__': + raise SystemExit(main()) -- cgit v1.2.3