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python3
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jsonschema
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Filename :
_legacy_validators.py
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from jsonschema import _utils from jsonschema.exceptions import ValidationError def ignore_ref_siblings(schema): """ Ignore siblings of ``$ref`` if it is present. Otherwise, return all keywords. Suitable for use with `create`'s ``applicable_validators`` argument. """ ref = schema.get("$ref") if ref is not None: return [("$ref", ref)] else: return schema.items() def dependencies_draft3(validator, dependencies, instance, schema): if not validator.is_type(instance, "object"): return for property, dependency in dependencies.items(): if property not in instance: continue if validator.is_type(dependency, "object"): yield from validator.descend( instance, dependency, schema_path=property, ) elif validator.is_type(dependency, "string"): if dependency not in instance: message = f"{dependency!r} is a dependency of {property!r}" yield ValidationError(message) else: for each in dependency: if each not in instance: message = f"{each!r} is a dependency of {property!r}" yield ValidationError(message) def dependencies_draft4_draft6_draft7( validator, dependencies, instance, schema, ): """ Support for the ``dependencies`` keyword from pre-draft 2019-09. In later drafts, the keyword was split into separate ``dependentRequired`` and ``dependentSchemas`` validators. """ if not validator.is_type(instance, "object"): return for property, dependency in dependencies.items(): if property not in instance: continue if validator.is_type(dependency, "array"): for each in dependency: if each not in instance: message = f"{each!r} is a dependency of {property!r}" yield ValidationError(message) else: yield from validator.descend( instance, dependency, schema_path=property, ) def disallow_draft3(validator, disallow, instance, schema): for disallowed in _utils.ensure_list(disallow): if validator.evolve(schema={"type": [disallowed]}).is_valid(instance): message = f"{disallowed!r} is disallowed for {instance!r}" yield ValidationError(message) def extends_draft3(validator, extends, instance, schema): if validator.is_type(extends, "object"): yield from validator.descend(instance, extends) return for index, subschema in enumerate(extends): yield from validator.descend(instance, subschema, schema_path=index) def items_draft3_draft4(validator, items, instance, schema): if not validator.is_type(instance, "array"): return if validator.is_type(items, "object"): for index, item in enumerate(instance): yield from validator.descend(item, items, path=index) else: for (index, item), subschema in zip(enumerate(instance), items): yield from validator.descend( item, subschema, path=index, schema_path=index, ) def items_draft6_draft7_draft201909(validator, items, instance, schema): if not validator.is_type(instance, "array"): return if validator.is_type(items, "array"): for (index, item), subschema in zip(enumerate(instance), items): yield from validator.descend( item, subschema, path=index, schema_path=index, ) else: for index, item in enumerate(instance): yield from validator.descend(item, items, path=index) def minimum_draft3_draft4(validator, minimum, instance, schema): if not validator.is_type(instance, "number"): return if schema.get("exclusiveMinimum", False): failed = instance <= minimum cmp = "less than or equal to" else: failed = instance < minimum cmp = "less than" if failed: message = f"{instance!r} is {cmp} the minimum of {minimum!r}" yield ValidationError(message) def maximum_draft3_draft4(validator, maximum, instance, schema): if not validator.is_type(instance, "number"): return if schema.get("exclusiveMaximum", False): failed = instance >= maximum cmp = "greater than or equal to" else: failed = instance > maximum cmp = "greater than" if failed: message = f"{instance!r} is {cmp} the maximum of {maximum!r}" yield ValidationError(message) def properties_draft3(validator, properties, instance, schema): if not validator.is_type(instance, "object"): return for property, subschema in properties.items(): if property in instance: yield from validator.descend( instance[property], subschema, path=property, schema_path=property, ) elif subschema.get("required", False): error = ValidationError(f"{property!r} is a required property") error._set( validator="required", validator_value=subschema["required"], instance=instance, schema=schema, ) error.path.appendleft(property) error.schema_path.extend([property, "required"]) yield error def type_draft3(validator, types, instance, schema): types = _utils.ensure_list(types) all_errors = [] for index, type in enumerate(types): if validator.is_type(type, "object"): errors = list(validator.descend(instance, type, schema_path=index)) if not errors: return all_errors.extend(errors) else: if validator.is_type(instance, type): return else: reprs = [] for type in types: try: reprs.append(repr(type["name"])) except Exception: reprs.append(repr(type)) yield ValidationError( f"{instance!r} is not of type {', '.join(reprs)}", context=all_errors, ) def contains_draft6_draft7(validator, contains, instance, schema): if not validator.is_type(instance, "array"): return if not any( validator.evolve(schema=contains).is_valid(element) for element in instance ): yield ValidationError( f"None of {instance!r} are valid under the given schema", ) def recursiveRef(validator, recursiveRef, instance, schema): lookup_url, target = validator.resolver.resolution_scope, validator.schema for each in reversed(validator.resolver._scopes_stack[1:]): lookup_url, next_target = validator.resolver.resolve(each) if next_target.get("$recursiveAnchor"): target = next_target else: break fragment = recursiveRef.lstrip("#") subschema = validator.resolver.resolve_fragment(target, fragment) # FIXME: This is gutted (and not calling .descend) because it can trigger # recursion errors, so there's a bug here. Re-enable the tests to # see it. subschema return []