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"""
An implementation of JSON Schema for Python
The main functionality is provided by the validator classes for each of the
supported JSON Schema versions.
Most commonly, `jsonschema.validators.validate` is the quickest way to simply
validate a given instance under a schema, and will create a validator
for you.
"""
import warnings
from jsonschema._format import FormatChecker
from jsonschema._types import TypeChecker
from jsonschema.exceptions import (
ErrorTree,
FormatError,
RefResolutionError,
SchemaError,
ValidationError,
)
from jsonschema.protocols import Validator
from jsonschema.validators import (
Draft3Validator,
Draft4Validator,
Draft6Validator,
Draft7Validator,
Draft201909Validator,
Draft202012Validator,
RefResolver,
validate,
)
def __getattr__(name):
if name == "__version__":
warnings.warn(
"Accessing jsonschema.__version__ is deprecated and will be "
"removed in a future release. Use importlib.metadata directly "
"to query for jsonschema's version.",
DeprecationWarning,
stacklevel=2,
)
try:
from importlib import metadata
except ImportError:
import importlib_metadata as metadata
return metadata.version("jsonschema")
format_checkers = {
"draft3_format_checker": Draft3Validator,
"draft4_format_checker": Draft4Validator,
"draft6_format_checker": Draft6Validator,
"draft7_format_checker": Draft7Validator,
"draft201909_format_checker": Draft201909Validator,
"draft202012_format_checker": Draft202012Validator,
}
ValidatorForFormat = format_checkers.get(name)
if ValidatorForFormat is not None:
warnings.warn(
f"Accessing jsonschema.{name} is deprecated and will be "
"removed in a future release. Instead, use the FORMAT_CHECKER "
"attribute on the corresponding Validator.",
DeprecationWarning,
stacklevel=2,
)
return ValidatorForFormat.FORMAT_CHECKER
raise AttributeError(f"module {__name__} has no attribute {name}")