1# Copyright 2023 The Pigweed Authors 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); you may not 4# use this file except in compliance with the License. You may obtain a copy of 5# the License at 6# 7# https://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12# License for the specific language governing permissions and limitations under 13# the License. 14"""JSON validity check.""" 15 16import json 17 18from . import presubmit, presubmit_context 19 20 21@presubmit.filter_paths(endswith=('.json',)) 22@presubmit.check(name='json_check') 23def presubmit_check(ctx: presubmit_context.PresubmitContext): 24 """Presubmit check that ensures JSON files are valid.""" 25 26 ctx.paths = presubmit_context.apply_exclusions(ctx) 27 28 for path in ctx.paths: 29 with path.open('r') as ins: 30 try: 31 json.load(ins) 32 except json.decoder.JSONDecodeError as exc: 33 intro_line = f'failed to parse {path.relative_to(ctx.root)}' 34 with ctx.failure_summary_log.open('w') as outs: 35 print(intro_line, file=outs) 36 print(exc, file=outs) 37 ctx.fail(intro_line) 38 ctx.fail(str(exc)) 39