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import argparse
import json
import jsonschema
from jsonschema import Draft7Validator, Draft6Validator, Draft4Validator, Draft202012Validator, Draft201909Validator
from jsonschema import FormatChecker, ErrorTree, exceptions, validators
parser = argparse.ArgumentParser()
parser.add_argument('--a', type=str, required=True, help='instance (JSON string)')
parser.add_argument('--b', type=str, required=True, help='schema (JSON string)')
args = parser.parse_args()
instance = json.loads(args.a)
schema = json.loads(args.b)
# Create all version validators
v4 = Draft4Validator(schema)
v6 = Draft6Validator(schema)
v7 = Draft7Validator(schema)
v2019 = Draft201909Validator(schema)
v2020 = Draft202012Validator(schema)
# Validate with each version
valid_v4 = v4.is_valid(instance)
valid_v6 = v6.is_valid(instance)
valid_v7 = v7.is_valid(instance)
valid_2019 = v2019.is_valid(instance)
valid_2020 = v2020.is_valid(instance)
# Get error counts for each
errs_v4 = len(list(v4.iter_errors(instance)))
errs_v6 = len(list(v6.iter_errors(instance)))
errs_v7 = len(list(v7.iter_errors(instance)))
errs_2019 = len(list(v2019.iter_errors(instance)))
errs_2020 = len(list(v2020.iter_errors(instance)))
# Check schemas
check_v4 = v4.check_schema(schema)
check_v6 = v6.check_schema(schema)
check_v7 = v7.check_schema(schema)
check_2019 = v2019.check_schema(schema)
check_2020 = v2020.check_schema(schema)
# Build error trees
errors_v7 = list(v7.iter_errors(instance))
tree_v7 = ErrorTree(errors_v7)
# Get format checker
format_checker = FormatChecker()
checker_count = len(format_checker.checkers)
# Determine validator for schema
auto_validator = validators.validator_for(schema)
# Evolve validators
evolved_v7 = v7.evolve(schema=schema)
evolved_valid = evolved_v7.is_valid(instance)
print(valid_v4)
print(valid_v6)
print(valid_v7)
print(valid_2019)
print(valid_2020)
print(errs_v4)
print(errs_v6)
print(errs_v7)
print(errs_2019)
print(errs_2020)
print(check_v4)
print(check_v6)
print(check_v7)
print(check_2019)
print(check_2020)
print(tree_v7.total_errors)
print(checker_count)
print(auto_validator.__name__)
print(evolved_valid)
print(valid_v7 == evolved_valid)