91 lines
2.3 KiB
Python
91 lines
2.3 KiB
Python
|
"""
|
||
|
|
The ``jsonschema`` command line.
|
||
|
|
"""
|
||
|
|
from __future__ import absolute_import
|
||
|
|
import argparse
|
||
|
|
import json
|
||
|
|
import sys
|
||
|
|
|
||
|
|
from jsonschema import __version__
|
||
|
|
from jsonschema._reflect import namedAny
|
||
|
|
from jsonschema.validators import validator_for
|
||
|
|
|
||
|
|
|
||
|
|
def _namedAnyWithDefault(name):
|
||
|
|
if "." not in name:
|
||
|
|
name = "jsonschema." + name
|
||
|
|
return namedAny(name)
|
||
|
|
|
||
|
|
|
||
|
|
def _json_file(path):
|
||
|
|
with open(path) as file:
|
||
|
|
return json.load(file)
|
||
|
|
|
||
|
|
|
||
|
|
parser = argparse.ArgumentParser(
|
||
|
|
description="JSON Schema Validation CLI",
|
||
|
|
)
|
||
|
|
parser.add_argument(
|
||
|
|
"-i", "--instance",
|
||
|
|
action="append",
|
||
|
|
dest="instances",
|
||
|
|
type=_json_file,
|
||
|
|
help=(
|
||
|
|
"a path to a JSON instance (i.e. filename.json) "
|
||
|
|
"to validate (may be specified multiple times)"
|
||
|
|
),
|
||
|
|
)
|
||
|
|
parser.add_argument(
|
||
|
|
"-F", "--error-format",
|
||
|
|
default="{error.instance}: {error.message}\n",
|
||
|
|
help=(
|
||
|
|
"the format to use for each error output message, specified in "
|
||
|
|
"a form suitable for passing to str.format, which will be called "
|
||
|
|
"with 'error' for each error"
|
||
|
|
),
|
||
|
|
)
|
||
|
|
parser.add_argument(
|
||
|
|
"-V", "--validator",
|
||
|
|
type=_namedAnyWithDefault,
|
||
|
|
help=(
|
||
|
|
"the fully qualified object name of a validator to use, or, for "
|
||
|
|
"validators that are registered with jsonschema, simply the name "
|
||
|
|
"of the class."
|
||
|
|
),
|
||
|
|
)
|
||
|
|
parser.add_argument(
|
||
|
|
"--version",
|
||
|
|
action="version",
|
||
|
|
version=__version__,
|
||
|
|
)
|
||
|
|
parser.add_argument(
|
||
|
|
"schema",
|
||
|
|
help="the JSON Schema to validate with (i.e. schema.json)",
|
||
|
|
type=_json_file,
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
def parse_args(args):
|
||
|
|
arguments = vars(parser.parse_args(args=args or ["--help"]))
|
||
|
|
if arguments["validator"] is None:
|
||
|
|
arguments["validator"] = validator_for(arguments["schema"])
|
||
|
|
return arguments
|
||
|
|
|
||
|
|
|
||
|
|
def main(args=sys.argv[1:]):
|
||
|
|
sys.exit(run(arguments=parse_args(args=args)))
|
||
|
|
|
||
|
|
|
||
|
|
def run(arguments, stdout=sys.stdout, stderr=sys.stderr):
|
||
|
|
error_format = arguments["error_format"]
|
||
|
|
validator = arguments["validator"](schema=arguments["schema"])
|
||
|
|
|
||
|
|
validator.check_schema(arguments["schema"])
|
||
|
|
|
||
|
|
errored = False
|
||
|
|
for instance in arguments["instances"] or ():
|
||
|
|
for error in validator.iter_errors(instance):
|
||
|
|
stderr.write(error_format.format(error=error))
|
||
|
|
errored = True
|
||
|
|
return errored
|