blob: 03339b3b0005fea6f6d419d59fff249aaa7d5437 [file] [log] [blame]
#!/usr/bin/python -u
# Copyright 2016 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
Check if a json file is valid.
This wrapper is invoked through autotest's PRESUBMIT.cfg for every commit
that edits a json file.
import json
import os
class InvalidJsonFile(Exception):
"""Exception to raise when a json file can't be parsed."""
def main():
"""Check if all json files that are a part of this commit are valid."""
file_list = os.environ.get('PRESUBMIT_FILES')
if file_list is None:
raise InvalidJsonFile('Expected a list of presubmit files in '
'the PRESUBMIT_FILES environment variable.')
for f in file_list.split():
if f.lower().endswith('.json'):
with open(f) as json_file:
except ValueError:
# Re-raise the error to include the file path.
print ('Presubmit check `check_json_file` failed. If the file '
'is meant to be malformated, please do not name it as a '
'json file, or you will have to upload the CL using '
raise InvalidJsonFile('Invalid json file: %s' % f)
if __name__ == '__main__':