px4-firmware/Tools/validate_json.py

48 lines
1.4 KiB
Python
Executable File

#! /usr/bin/env python3
""" Script to validate JSON file(s) against a schema file according to
https://json-schema.org/"""
import argparse
import sys
import json
try:
from jsonschema import validate
except ImportError as e:
print("Failed to import jsonschema: " + str(e))
print("")
print("You may need to install it using:")
print(" pip3 install --user jsonschema")
print("")
sys.exit(1)
parser = argparse.ArgumentParser(description='Validate JSON file(s) against a schema')
parser.add_argument('json_file', nargs='+', help='JSON config file(s)')
parser.add_argument('--schema-file', type=str, action='store',
help='JSON schema file', required=True)
parser.add_argument('-v', '--verbose', dest='verbose', action='store_true',
help='Verbose Output')
args = parser.parse_args()
schema_file = args.schema_file
json_files = args.json_file
verbose = args.verbose
# load the schema
with open(schema_file, 'r') as stream:
schema = json.load(stream)
# validate files
for json_file in json_files:
if verbose: print("Validating {:}".format(json_file))
with open(json_file, 'r') as stream:
json_data = json.load(stream)
try:
validate(instance=json_data, schema=schema)
except:
print("JSON validation for {:} failed (schema: {:})".format(json_file, schema_file))
raise