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Edit File: _validators.py
import re from jsonschema._utils import ( ensure_list, equal, extras_msg, find_additional_properties, types_msg, unbool, uniq, ) from jsonschema.exceptions import FormatError, ValidationError from jsonschema.compat import iteritems def patternProperties(validator, patternProperties, instance, schema): if not validator.is_type(instance, "object"): return for pattern, subschema in iteritems(patternProperties): for k, v in iteritems(instance): if re.search(pattern, k): for error in validator.descend( v, subschema, path=k, schema_path=pattern, ): yield error def propertyNames(validator, propertyNames, instance, schema): if not validator.is_type(instance, "object"): return for property in instance: for error in validator.descend( instance=property, schema=propertyNames, ): yield error def additionalProperties(validator, aP, instance, schema): if not validator.is_type(instance, "object"): return extras = set(find_additional_properties(instance, schema)) if validator.is_type(aP, "object"): for extra in extras: for error in validator.descend(instance[extra], aP, path=extra): yield error elif not aP and extras: if "patternProperties" in schema: patterns = sorted(schema["patternProperties"]) if len(extras) == 1: verb = "does" else: verb = "do" error = "%s %s not match any of the regexes: %s" % ( ", ".join(map(repr, sorted(extras))), verb, ", ".join(map(repr, patterns)), ) yield ValidationError(error) else: error = "Additional properties are not allowed (%s %s unexpected)" yield ValidationError(error % extras_msg(extras)) def items(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): for error in validator.descend( item, subschema, path=index, schema_path=index, ): yield error else: for index, item in enumerate(instance): for error in validator.descend(item, items, path=index): yield error def additionalItems(validator, aI, instance, schema): if ( not validator.is_type(instance, "array") or validator.is_type(schema.get("items", {}), "object") ): return len_items = len(schema.get("items", [])) if validator.is_type(aI, "object"): for index, item in enumerate(instance[len_items:], start=len_items): for error in validator.descend(item, aI, path=index): yield error elif not aI and len(instance) > len(schema.get("items", [])): error = "Additional items are not allowed (%s %s unexpected)" yield ValidationError( error % extras_msg(instance[len(schema.get("items", [])):]) ) def const(validator, const, instance, schema): if not equal(instance, const): yield ValidationError("%r was expected" % (const,)) def contains(validator, contains, instance, schema): if not validator.is_type(instance, "array"): return if not any(validator.is_valid(element, contains) for element in instance): yield ValidationError( "None of %r are valid under the given schema" % (instance,) ) def exclusiveMinimum(validator, minimum, instance, schema): if not validator.is_type(instance, "number"): return if instance <= minimum: yield ValidationError( "%r is less than or equal to the minimum of %r" % ( instance, minimum, ), ) def exclusiveMaximum(validator, maximum, instance, schema): if not validator.is_type(instance, "number"): return if instance >= maximum: yield ValidationError( "%r is greater than or equal to the maximum of %r" % ( instance, maximum, ), ) def minimum(validator, minimum, instance, schema): if not validator.is_type(instance, "number"): return if instance < minimum: yield ValidationError( "%r is less than the minimum of %r" % (instance, minimum) ) def maximum(validator, maximum, instance, schema): if not validator.is_type(instance, "number"): return if instance > maximum: yield ValidationError( "%r is greater than the maximum of %r" % (instance, maximum) ) def multipleOf(validator, dB, instance, schema): if not validator.is_type(instance, "number"): return if isinstance(dB, float): quotient = instance / dB failed = int(quotient) != quotient else: failed = instance % dB if failed: yield ValidationError("%r is not a multiple of %r" % (instance, dB)) def minItems(validator, mI, instance, schema): if validator.is_type(instance, "array") and len(instance) < mI: yield ValidationError("%r is too short" % (instance,)) def maxItems(validator, mI, instance, schema): if validator.is_type(instance, "array") and len(instance) > mI: yield ValidationError("%r is too long" % (instance,)) def uniqueItems(validator, uI, instance, schema): if ( uI and validator.is_type(instance, "array") and not uniq(instance) ): yield ValidationError("%r has non-unique elements" % (instance,)) def pattern(validator, patrn, instance, schema): if ( validator.is_type(instance, "string") and not re.search(patrn, instance) ): yield ValidationError("%r does not match %r" % (instance, patrn)) def format(validator, format, instance, schema): if validator.format_checker is not None: try: validator.format_checker.check(instance, format) except FormatError as error: yield ValidationError(error.message, cause=error.cause) def minLength(validator, mL, instance, schema): if validator.is_type(instance, "string") and len(instance) < mL: yield ValidationError("%r is too short" % (instance,)) def maxLength(validator, mL, instance, schema): if validator.is_type(instance, "string") and len(instance) > mL: yield ValidationError("%r is too long" % (instance,)) def dependencies(validator, dependencies, instance, schema): if not validator.is_type(instance, "object"): return for property, dependency in iteritems(dependencies): if property not in instance: continue if validator.is_type(dependency, "array"): for each in dependency: if each not in instance: message = "%r is a dependency of %r" yield ValidationError(message % (each, property)) else: for error in validator.descend( instance, dependency, schema_path=property, ): yield error def enum(validator, enums, instance, schema): if instance == 0 or instance == 1: unbooled = unbool(instance) if all(unbooled != unbool(each) for each in enums): yield ValidationError("%r is not one of %r" % (instance, enums)) elif instance not in enums: yield ValidationError("%r is not one of %r" % (instance, enums)) def ref(validator, ref, instance, schema): resolve = getattr(validator.resolver, "resolve", None) if resolve is None: with validator.resolver.resolving(ref) as resolved: for error in validator.descend(instance, resolved): yield error else: scope, resolved = validator.resolver.resolve(ref) validator.resolver.push_scope(scope) try: for error in validator.descend(instance, resolved): yield error finally: validator.resolver.pop_scope() def type(validator, types, instance, schema): types = ensure_list(types) if not any(validator.is_type(instance, type) for type in types): yield ValidationError(types_msg(instance, types)) def properties(validator, properties, instance, schema): if not validator.is_type(instance, "object"): return for property, subschema in iteritems(properties): if property in instance: for error in validator.descend( instance[property], subschema, path=property, schema_path=property, ): yield error def required(validator, required, instance, schema): if not validator.is_type(instance, "object"): return for property in required: if property not in instance: yield ValidationError("%r is a required property" % property) def minProperties(validator, mP, instance, schema): if validator.is_type(instance, "object") and len(instance) < mP: yield ValidationError( "%r does not have enough properties" % (instance,) ) def maxProperties(validator, mP, instance, schema): if not validator.is_type(instance, "object"): return if validator.is_type(instance, "object") and len(instance) > mP: yield ValidationError("%r has too many properties" % (instance,)) def allOf(validator, allOf, instance, schema): for index, subschema in enumerate(allOf): for error in validator.descend(instance, subschema, schema_path=index): yield error def anyOf(validator, anyOf, instance, schema): all_errors = [] for index, subschema in enumerate(anyOf): errs = list(validator.descend(instance, subschema, schema_path=index)) if not errs: break all_errors.extend(errs) else: yield ValidationError( "%r is not valid under any of the given schemas" % (instance,), context=all_errors, ) def oneOf(validator, oneOf, instance, schema): subschemas = enumerate(oneOf) all_errors = [] for index, subschema in subschemas: errs = list(validator.descend(instance, subschema, schema_path=index)) if not errs: first_valid = subschema break all_errors.extend(errs) else: yield ValidationError( "%r is not valid under any of the given schemas" % (instance,), context=all_errors, ) more_valid = [s for i, s in subschemas if validator.is_valid(instance, s)] if more_valid: more_valid.append(first_valid) reprs = ", ".join(repr(schema) for schema in more_valid) yield ValidationError( "%r is valid under each of %s" % (instance, reprs) ) def not_(validator, not_schema, instance, schema): if validator.is_valid(instance, not_schema): yield ValidationError( "%r is not allowed for %r" % (not_schema, instance) ) def if_(validator, if_schema, instance, schema): if validator.is_valid(instance, if_schema): if u"then" in schema: then = schema[u"then"] for error in validator.descend(instance, then, schema_path="then"): yield error elif u"else" in schema: else_ = schema[u"else"] for error in validator.descend(instance, else_, schema_path="else"): yield error