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from copy import deepcopy
from typing import Optional
from typing import Type
from jsonschema._format import FormatChecker
from jsonschema.protocols import Validator
from jsonschema_path import SchemaPath
from openapi_core.validation.schemas.datatypes import FormatValidatorsDict
from openapi_core.validation.schemas.validators import SchemaValidator
class SchemaValidatorsFactory:
def __init__(
self,
schema_validator_class: Type[Validator],
format_checker: Optional[FormatChecker] = None,
):
self.schema_validator_class = schema_validator_class
if format_checker is None:
format_checker = self.schema_validator_class.FORMAT_CHECKER
self.format_checker = format_checker
def get_format_checker(
self,
format_validators: Optional[FormatValidatorsDict] = None,
extra_format_validators: Optional[FormatValidatorsDict] = None,
) -> FormatChecker:
if format_validators is None:
format_checker = deepcopy(self.format_checker)
else:
format_checker = FormatChecker([])
format_checker = self._add_validators(
format_checker, format_validators
)
format_checker = self._add_validators(
format_checker, extra_format_validators
)
return format_checker
def _add_validators(
self,
base_format_checker: FormatChecker,
format_validators: Optional[FormatValidatorsDict] = None,
) -> FormatChecker:
if format_validators is not None:
for name, check in format_validators.items():
base_format_checker.checks(name)(check)
return base_format_checker
def create(
self,
schema: SchemaPath,
format_validators: Optional[FormatValidatorsDict] = None,
extra_format_validators: Optional[FormatValidatorsDict] = None,
) -> Validator:
format_checker = self.get_format_checker(
format_validators, extra_format_validators
)
with schema.resolve() as resolved:
jsonschema_validator = self.schema_validator_class(
resolved.contents,
_resolver=resolved.resolver,
format_checker=format_checker,
)
return SchemaValidator(schema, jsonschema_validator)
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