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450 lines
15 KiB
Python
450 lines
15 KiB
Python
import re
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from referencing.jsonschema import lookup_recursive_ref
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from jsonschema import _utils
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from jsonschema.exceptions import ValidationError
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def ignore_ref_siblings(schema):
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"""
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Ignore siblings of ``$ref`` if it is present.
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Otherwise, return all keywords.
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Suitable for use with `create`'s ``applicable_validators`` argument.
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"""
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ref = schema.get("$ref")
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if ref is not None:
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return [("$ref", ref)]
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else:
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return schema.items()
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def dependencies_draft3(validator, dependencies, instance, schema):
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if not validator.is_type(instance, "object"):
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return
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for property, dependency in dependencies.items():
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if property not in instance:
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continue
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if validator.is_type(dependency, "object"):
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yield from validator.descend(
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instance, dependency, schema_path=property,
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)
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elif validator.is_type(dependency, "string"):
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if dependency not in instance:
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message = f"{dependency!r} is a dependency of {property!r}"
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yield ValidationError(message)
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else:
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for each in dependency:
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if each not in instance:
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message = f"{each!r} is a dependency of {property!r}"
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yield ValidationError(message)
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def dependencies_draft4_draft6_draft7(
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validator,
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dependencies,
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instance,
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schema,
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):
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"""
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Support for the ``dependencies`` keyword from pre-draft 2019-09.
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In later drafts, the keyword was split into separate
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``dependentRequired`` and ``dependentSchemas`` validators.
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"""
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if not validator.is_type(instance, "object"):
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return
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for property, dependency in dependencies.items():
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if property not in instance:
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continue
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if validator.is_type(dependency, "array"):
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for each in dependency:
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if each not in instance:
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message = f"{each!r} is a dependency of {property!r}"
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yield ValidationError(message)
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else:
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yield from validator.descend(
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instance, dependency, schema_path=property,
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)
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def disallow_draft3(validator, disallow, instance, schema):
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for disallowed in _utils.ensure_list(disallow):
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if validator.evolve(schema={"type": [disallowed]}).is_valid(instance):
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message = f"{disallowed!r} is disallowed for {instance!r}"
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yield ValidationError(message)
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def extends_draft3(validator, extends, instance, schema):
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if validator.is_type(extends, "object"):
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yield from validator.descend(instance, extends)
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return
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for index, subschema in enumerate(extends):
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yield from validator.descend(instance, subschema, schema_path=index)
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def items_draft3_draft4(validator, items, instance, schema):
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if not validator.is_type(instance, "array"):
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return
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if validator.is_type(items, "object"):
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for index, item in enumerate(instance):
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yield from validator.descend(item, items, path=index)
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else:
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for (index, item), subschema in zip(enumerate(instance), items):
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yield from validator.descend(
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item, subschema, path=index, schema_path=index,
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)
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def additionalItems(validator, aI, instance, schema):
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if (
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not validator.is_type(instance, "array")
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or validator.is_type(schema.get("items", {}), "object")
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):
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return
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len_items = len(schema.get("items", []))
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if validator.is_type(aI, "object"):
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for index, item in enumerate(instance[len_items:], start=len_items):
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yield from validator.descend(item, aI, path=index)
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elif not aI and len(instance) > len(schema.get("items", [])):
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error = "Additional items are not allowed (%s %s unexpected)"
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yield ValidationError(
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error % _utils.extras_msg(instance[len(schema.get("items", [])):]),
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)
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def items_draft6_draft7_draft201909(validator, items, instance, schema):
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if not validator.is_type(instance, "array"):
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return
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if validator.is_type(items, "array"):
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for (index, item), subschema in zip(enumerate(instance), items):
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yield from validator.descend(
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item, subschema, path=index, schema_path=index,
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)
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else:
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for index, item in enumerate(instance):
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yield from validator.descend(item, items, path=index)
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def minimum_draft3_draft4(validator, minimum, instance, schema):
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if not validator.is_type(instance, "number"):
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return
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if schema.get("exclusiveMinimum", False):
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failed = instance <= minimum
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cmp = "less than or equal to"
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else:
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failed = instance < minimum
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cmp = "less than"
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if failed:
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message = f"{instance!r} is {cmp} the minimum of {minimum!r}"
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yield ValidationError(message)
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def maximum_draft3_draft4(validator, maximum, instance, schema):
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if not validator.is_type(instance, "number"):
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return
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if schema.get("exclusiveMaximum", False):
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failed = instance >= maximum
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cmp = "greater than or equal to"
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else:
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failed = instance > maximum
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cmp = "greater than"
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if failed:
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message = f"{instance!r} is {cmp} the maximum of {maximum!r}"
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yield ValidationError(message)
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def properties_draft3(validator, properties, instance, schema):
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if not validator.is_type(instance, "object"):
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return
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for property, subschema in properties.items():
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if property in instance:
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yield from validator.descend(
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instance[property],
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subschema,
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path=property,
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schema_path=property,
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)
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elif subschema.get("required", False):
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error = ValidationError(f"{property!r} is a required property")
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error._set(
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validator="required",
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validator_value=subschema["required"],
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instance=instance,
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schema=schema,
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)
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error.path.appendleft(property)
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error.schema_path.extend([property, "required"])
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yield error
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def type_draft3(validator, types, instance, schema):
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types = _utils.ensure_list(types)
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all_errors = []
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for index, type in enumerate(types):
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if validator.is_type(type, "object"):
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errors = list(validator.descend(instance, type, schema_path=index))
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if not errors:
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return
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all_errors.extend(errors)
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elif validator.is_type(instance, type):
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return
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reprs = []
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for type in types:
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try:
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reprs.append(repr(type["name"]))
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except Exception: # noqa: BLE001
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reprs.append(repr(type))
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yield ValidationError(
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f"{instance!r} is not of type {', '.join(reprs)}",
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context=all_errors,
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)
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def contains_draft6_draft7(validator, contains, instance, schema):
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if not validator.is_type(instance, "array"):
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return
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if not any(
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validator.evolve(schema=contains).is_valid(element)
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for element in instance
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):
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yield ValidationError(
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f"None of {instance!r} are valid under the given schema",
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)
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def recursiveRef(validator, recursiveRef, instance, schema):
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resolved = lookup_recursive_ref(validator._resolver)
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yield from validator.descend(
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instance,
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resolved.contents,
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resolver=resolved.resolver,
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)
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def find_evaluated_item_indexes_by_schema(validator, instance, schema):
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"""
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Get all indexes of items that get evaluated under the current schema.
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Covers all keywords related to unevaluatedItems: items, prefixItems, if,
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then, else, contains, unevaluatedItems, allOf, oneOf, anyOf
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"""
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if validator.is_type(schema, "boolean"):
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return []
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evaluated_indexes = []
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ref = schema.get("$ref")
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if ref is not None:
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resolved = validator._resolver.lookup(ref)
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evaluated_indexes.extend(
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find_evaluated_item_indexes_by_schema(
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validator.evolve(
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schema=resolved.contents,
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_resolver=resolved.resolver,
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),
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instance,
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resolved.contents,
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),
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)
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if "$recursiveRef" in schema:
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resolved = lookup_recursive_ref(validator._resolver)
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evaluated_indexes.extend(
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find_evaluated_item_indexes_by_schema(
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validator.evolve(
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schema=resolved.contents,
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_resolver=resolved.resolver,
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),
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instance,
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resolved.contents,
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),
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)
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if "items" in schema:
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if "additionalItems" in schema:
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return list(range(len(instance)))
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if validator.is_type(schema["items"], "object"):
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return list(range(len(instance)))
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evaluated_indexes += list(range(len(schema["items"])))
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if "if" in schema:
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if validator.evolve(schema=schema["if"]).is_valid(instance):
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evaluated_indexes += find_evaluated_item_indexes_by_schema(
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validator, instance, schema["if"],
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)
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if "then" in schema:
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evaluated_indexes += find_evaluated_item_indexes_by_schema(
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validator, instance, schema["then"],
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)
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elif "else" in schema:
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evaluated_indexes += find_evaluated_item_indexes_by_schema(
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validator, instance, schema["else"],
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)
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for keyword in ["contains", "unevaluatedItems"]:
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if keyword in schema:
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for k, v in enumerate(instance):
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if validator.evolve(schema=schema[keyword]).is_valid(v):
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evaluated_indexes.append(k)
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for keyword in ["allOf", "oneOf", "anyOf"]:
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if keyword in schema:
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for subschema in schema[keyword]:
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errs = next(validator.descend(instance, subschema), None)
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if errs is None:
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evaluated_indexes += find_evaluated_item_indexes_by_schema(
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validator, instance, subschema,
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)
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return evaluated_indexes
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def unevaluatedItems_draft2019(validator, unevaluatedItems, instance, schema):
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if not validator.is_type(instance, "array"):
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return
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evaluated_item_indexes = find_evaluated_item_indexes_by_schema(
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validator, instance, schema,
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)
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unevaluated_items = [
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item for index, item in enumerate(instance)
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if index not in evaluated_item_indexes
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]
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if unevaluated_items:
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error = "Unevaluated items are not allowed (%s %s unexpected)"
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yield ValidationError(error % _utils.extras_msg(unevaluated_items))
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def find_evaluated_property_keys_by_schema(validator, instance, schema):
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if validator.is_type(schema, "boolean"):
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return []
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evaluated_keys = []
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ref = schema.get("$ref")
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if ref is not None:
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resolved = validator._resolver.lookup(ref)
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evaluated_keys.extend(
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find_evaluated_property_keys_by_schema(
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validator.evolve(
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schema=resolved.contents,
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_resolver=resolved.resolver,
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),
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instance,
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resolved.contents,
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),
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)
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if "$recursiveRef" in schema:
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resolved = lookup_recursive_ref(validator._resolver)
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evaluated_keys.extend(
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find_evaluated_property_keys_by_schema(
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validator.evolve(
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schema=resolved.contents,
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_resolver=resolved.resolver,
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),
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instance,
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resolved.contents,
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),
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)
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for keyword in [
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"properties", "additionalProperties", "unevaluatedProperties",
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]:
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if keyword in schema:
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schema_value = schema[keyword]
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if validator.is_type(schema_value, "boolean") and schema_value:
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evaluated_keys += instance.keys()
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elif validator.is_type(schema_value, "object"):
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for property in schema_value:
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if property in instance:
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evaluated_keys.append(property)
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if "patternProperties" in schema:
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for property in instance:
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for pattern in schema["patternProperties"]:
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if re.search(pattern, property):
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evaluated_keys.append(property)
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if "dependentSchemas" in schema:
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for property, subschema in schema["dependentSchemas"].items():
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if property not in instance:
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continue
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evaluated_keys += find_evaluated_property_keys_by_schema(
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validator, instance, subschema,
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)
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for keyword in ["allOf", "oneOf", "anyOf"]:
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if keyword in schema:
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for subschema in schema[keyword]:
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errs = next(validator.descend(instance, subschema), None)
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if errs is None:
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evaluated_keys += find_evaluated_property_keys_by_schema(
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validator, instance, subschema,
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)
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if "if" in schema:
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if validator.evolve(schema=schema["if"]).is_valid(instance):
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evaluated_keys += find_evaluated_property_keys_by_schema(
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validator, instance, schema["if"],
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)
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if "then" in schema:
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evaluated_keys += find_evaluated_property_keys_by_schema(
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validator, instance, schema["then"],
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)
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elif "else" in schema:
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evaluated_keys += find_evaluated_property_keys_by_schema(
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validator, instance, schema["else"],
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)
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return evaluated_keys
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def unevaluatedProperties_draft2019(validator, uP, instance, schema):
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if not validator.is_type(instance, "object"):
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return
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evaluated_keys = find_evaluated_property_keys_by_schema(
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validator, instance, schema,
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)
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unevaluated_keys = []
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for property in instance:
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if property not in evaluated_keys:
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for _ in validator.descend(
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instance[property],
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uP,
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path=property,
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schema_path=property,
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):
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# FIXME: Include context for each unevaluated property
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# indicating why it's invalid under the subschema.
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unevaluated_keys.append(property) # noqa: PERF401
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if unevaluated_keys:
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if uP is False:
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error = "Unevaluated properties are not allowed (%s %s unexpected)"
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extras = sorted(unevaluated_keys, key=str)
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yield ValidationError(error % _utils.extras_msg(extras))
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else:
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error = (
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"Unevaluated properties are not valid under "
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"the given schema (%s %s unevaluated and invalid)"
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)
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yield ValidationError(error % _utils.extras_msg(unevaluated_keys))
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