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