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import argparse
import sys
from pathlib import Path
from typing import List, Tuple, Type
from knot_resolver_manager.client.command import Command, CommandArgs, CompWords, register_command
from knot_resolver_manager.manager.datamodel import KresConfig
from knot_resolver_manager.manager.datamodel.globals import (
Context,
reset_global_validation_context,
set_global_validation_context,
)
from knot_resolver_manager.utils.modeling import try_to_parse
from knot_resolver_manager.utils.modeling.exceptions import DataParsingError, DataValidationError
@register_command
class ValidateCommand(Command):
def __init__(self, namespace: argparse.Namespace) -> None:
super().__init__(namespace)
self.input_file: str = namespace.input_file
self.strict: bool = namespace.strict
@staticmethod
def register_args_subparser(
subparser: "argparse._SubParsersAction[argparse.ArgumentParser]",
) -> Tuple[argparse.ArgumentParser, "Type[Command]"]:
validate = subparser.add_parser("validate", help="Validates configuration in JSON or YAML format.")
validate.set_defaults(strict=True)
validate.add_argument(
"--no-strict",
help="Ignore strict rules during validation, e.g. path/file existence.",
action="store_false",
dest="strict",
)
validate.add_argument(
"input_file",
type=str,
nargs="?",
help="File with configuration in YAML or JSON format.",
default=None,
)
return validate, ValidateCommand
@staticmethod
def completion(args: List[str], parser: argparse.ArgumentParser) -> CompWords:
return {}
def run(self, args: CommandArgs) -> None:
if self.input_file:
with open(self.input_file, "r") as f:
data = f.read()
else:
data = input("Type configuration to validate: ")
try:
set_global_validation_context(Context(Path(self.input_file).parent, self.strict))
KresConfig(try_to_parse(data))
reset_global_validation_context()
except (DataParsingError, DataValidationError) as e:
print(e, file=sys.stderr)
sys.exit(1)
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