def validate_object(obj,
field_validators=None,
non_field_validators=None,
schema=None,
context=None):
"""
Takes a mapping and applies a mapping of validator functions to it
collecting and reraising any validation errors that occur.
"""
if schema is None:
schema = {}
if context is None:
context = {}
if field_validators is None:
field_validators = ValidationDict()
if non_field_validators is None:
non_field_validators = ValidationList()
from flex.validation.schema import (
construct_schema_validators, )
schema_validators = construct_schema_validators(schema, context)
if '$ref' in schema_validators and hasattr(schema_validators['$ref'],
'validators'):
ref_ = field_validators.pop('$ref')
for k, v in ref_.validators.items():
if k not in schema_validators:
schema_validators.add_validator(k, v)
if 'discriminator' in schema:
add_polymorphism_requirements(obj, schema, context, schema_validators)
schema_validators.update(field_validators)
schema_validators.validate_object(obj, context=context)
non_field_validators.validate_object(obj, context=context)
return obj
def validate_object(obj, field_validators=None, non_field_validators=None,
schema=None, context=None):
"""
Takes a mapping and applies a mapping of validator functions to it
collecting and reraising any validation errors that occur.
"""
if schema is None:
schema = {}
if context is None:
context = {}
if field_validators is None:
field_validators = ValidationDict()
if non_field_validators is None:
non_field_validators = ValidationList()
from flex.validation.schema import (
construct_schema_validators,
)
schema_validators = construct_schema_validators(schema, context)
if '$ref' in schema_validators and hasattr(schema_validators['$ref'], 'validators'):
ref_ = field_validators.pop('$ref')
for k, v in ref_.validators.items():
if k not in schema_validators:
schema_validators.add_validator(k, v)
schema_validators.update(field_validators)
schema_validators.validate_object(obj, context=context)
non_field_validators.validate_object(obj, context=context)
return obj
def generate_response_body_validator(schema, context, inner=False):
validators = construct_schema_validators(schema, context=context)
return chain_reduce_partial(
operator.attrgetter('data'),
functools.partial(
validate_object,
validators=validators,
inner=True,
),
)
def construct_parameter_validators(parameter, context):
"""
Constructs a dictionary of validator functions for the provided parameter
definition.
"""
validators = {}
if 'schema' in parameter:
validators.update(construct_schema_validators(parameter['schema'], context=context))
for key in parameter:
if key in validator_mapping:
validators[key] = validator_mapping[key](context=context, **parameter)
return validators
def add_polymorphism_requirements(obj, schema, context, schema_validators):
try:
object_type = obj[schema['discriminator']]
except KeyError:
raise ValidationError("No discriminator found on instance [{0}].".format(obj))
try:
object_schema = context['definitions'][object_type]
except KeyError:
raise ValidationError("No definition for class [{0}]".format(object_type))
from flex.validation.schema import (
construct_schema_validators,
)
subtype_validators = construct_schema_validators(object_schema, context)
schema_validators.update(subtype_validators)
return schema_validators
def construct_parameter_validators(parameter, context):
"""
Constructs a dictionary of validator functions for the provided parameter
definition.
"""
validators = ValidationDict()
for key in parameter:
if key in validator_mapping:
validators.add_validator(
key,
validator_mapping[key](context=context, **parameter),
)
if 'schema' in parameter:
schema_validators = construct_schema_validators(parameter['schema'],
context=context)
for key, value in schema_validators.items():
validators.setdefault(key, value)
return validators
def validate_allof_anyof(value, sub_schemas, context, method, **kwargs):
from flex.validation.schema import (
construct_schema_validators, )
messages = []
success = []
for schema in sub_schemas:
schema_validators = construct_schema_validators(schema, context)
try:
schema_validators.validate_object(value, context=context)
except ValidationError as err:
messages.append(err.messages)
success.append(False)
else:
success.append(True)
if not method(success):
raise ValidationError(messages)
return value
def construct_parameter_validators(parameter, context):
"""
Constructs a dictionary of validator functions for the provided parameter
definition.
"""
validators = ValidationDict()
if '$ref' in parameter:
validators.add_validator(
'$ref', ParameterReferenceValidator(parameter['$ref'], context),
)
for key in parameter:
if key in validator_mapping:
validators.add_validator(
key,
validator_mapping[key](context=context, **parameter),
)
if 'schema' in parameter:
schema_validators = construct_schema_validators(parameter['schema'], context=context)
for key, value in schema_validators.items():
validators.setdefault(key, value)
return validators
def validate_allof_anyof(value, sub_schemas, context, method, **kwargs):
from flex.validation.schema import (
construct_schema_validators,
)
messages = []
success = []
for schema in sub_schemas:
schema_validators = construct_schema_validators(schema, context)
try:
schema_validators.validate_object(value, context=context)
except ValidationError as err:
messages.append(err.messages)
success.append(False)
else:
success.append(True)
if not method(success):
raise ValidationError(messages)
return value
from flex.validation.schema import (
construct_schema_validators,
)
from flex.decorators import (
pull_keys_from_obj,
suffix_reserved_words,
skip_if_any_kwargs_empty,
)
@pull_keys_from_obj('type', 'minProperties')
@suffix_reserved_words
@skip_if_any_kwargs_empty('type_', 'minProperties')
def validate_type_for_min_properties(type_, minProperties, **kwargs):
types = pluralize(type_)
if not set(types).intersection((OBJECT,)):
raise ValidationError(
MESSAGES['type']['invalid_type_for_min_properties'],
)
min_properties_schema = {
'type': INTEGER,
'minimum': 0,
}
min_properties_validators = construct_schema_validators(min_properties_schema, {})
min_properties_validator = generate_object_validator(
field_validators=min_properties_validators,
)
from flex.constants import (
STRING,
)
from flex.validation.common import (
generate_object_validator,
)
from flex.validation.schema import (
construct_schema_validators,
)
title_schema = {
'type': STRING,
}
title_validators = construct_schema_validators(title_schema, {})
title_validator = generate_object_validator(
field_validators=title_validators,
)
)
@pull_keys_from_obj('minItems', 'maxItems')
def validate_max_items_greater_than_or_equal_to_min_items(
minItems, maxItems, **kwargs):
if minItems is EMPTY or maxItems is EMPTY:
return
if not maxItems >= minItems:
raise ValidationError(
MESSAGES['max_items']['must_be_greater_than_min_items'])
@pull_keys_from_obj('type', 'maxItems')
@suffix_reserved_words
@skip_if_any_kwargs_empty('type_', 'maxItems')
def validate_type_for_max_items(type_, maxItems, **kwargs):
types = pluralize(type_)
if not set(types).intersection((ARRAY, )):
raise ValidationError(MESSAGES['type']['invalid_type_for_max_items'], )
max_items_schema = {
'type': INTEGER,
}
max_items_validators = construct_schema_validators(max_items_schema, {})
max_items_validator = generate_object_validator(
field_validators=max_items_validators, )
construct_schema_validators,
)
single_type_schema = {
'type': STRING,
'enum': [
NULL,
BOOLEAN,
INTEGER,
NUMBER,
STRING,
ARRAY,
],
}
single_type_validators = construct_schema_validators(single_type_schema, {})
single_type_validator = generate_object_validator(
field_validators=single_type_validators,
)
@suffix_reserved_words
@skip_if_not_of_type(ARRAY, STRING)
def validate_types(type_, **kwargs):
types = pluralize(type_)
with ErrorList() as errors:
for value in types:
try:
single_type_validator(value)
from flex.exceptions import ValidationError
from flex.error_messages import MESSAGES
from flex.constants import BOOLEAN, ARRAY
from flex.utils import pluralize
from flex.validation.common import generate_object_validator
from flex.validation.schema import construct_schema_validators
from flex.decorators import pull_keys_from_obj, suffix_reserved_words, skip_if_any_kwargs_empty
@pull_keys_from_obj("type", "uniqueItems")
@suffix_reserved_words
@skip_if_any_kwargs_empty("type_", "uniqueItems")
def validate_type_for_unique_items(type_, uniqueItems, **kwargs):
types = pluralize(type_)
if not uniqueItems:
return
if not set(types).intersection((ARRAY,)):
raise ValidationError(MESSAGES["type"]["invalid_type_for_unique_items"])
unique_items_schema = {"type": BOOLEAN}
unique_items_validators = construct_schema_validators(unique_items_schema, {})
unique_items_validator = generate_object_validator(field_validators=unique_items_validators)
from flex.constants import (
BOOLEAN,
)
from flex.validation.common import (
generate_object_validator,
)
from flex.validation.schema import (
construct_schema_validators,
)
required_schema = {
'type': BOOLEAN,
}
required_validators = construct_schema_validators(required_schema, {})
required_validator = generate_object_validator(
field_validators=required_validators,
)
from flex.decorators import (
pull_keys_from_obj,
suffix_reserved_words,
skip_if_any_kwargs_empty,
)
@pull_keys_from_obj('type', 'uniqueItems')
@suffix_reserved_words
@skip_if_any_kwargs_empty('type_', 'uniqueItems')
def validate_type_for_unique_items(type_, uniqueItems, **kwargs):
types = pluralize(type_)
if not uniqueItems:
return
if not set(types).intersection((ARRAY,)):
raise ValidationError(
MESSAGES['type']['invalid_type_for_unique_items'],
)
unique_items_schema = {
'type': BOOLEAN,
}
unique_items_validators = construct_schema_validators(unique_items_schema, {})
unique_items_validator = generate_object_validator(
field_validators=unique_items_validators,
)
from flex.constants import (
STRING, )
from flex.validation.common import (
generate_object_validator, )
from flex.validation.schema import (
construct_schema_validators, )
format_schema = {
'type': STRING,
}
format_validators = construct_schema_validators(format_schema, {})
format_validator = generate_object_validator(
field_validators=format_validators, )
from flex.constants import (
ARRAY, )
from flex.validation.common import (
generate_object_validator, )
from flex.validation.schema import (
construct_schema_validators, )
enum_schema = {
'type': ARRAY,
'minItems': 1,
}
enum_validators = construct_schema_validators(enum_schema, {})
enum_validator = generate_object_validator(field_validators=enum_validators, )
)
single_type_schema = {
'type': STRING,
'enum': [
NULL,
BOOLEAN,
INTEGER,
NUMBER,
STRING,
ARRAY,
OBJECT,
],
}
single_type_validators = construct_schema_validators(single_type_schema, {})
single_type_validator = generate_object_validator(
field_validators=single_type_validators,
)
@suffix_reserved_words
@skip_if_not_of_type(ARRAY, STRING)
def validate_types(type_, **kwargs):
types = pluralize(type_)
with ErrorList() as errors:
for value in types:
try:
single_type_validator(value)
from flex.constants import (
STRING,
)
from flex.validation.common import (
generate_object_validator,
)
from flex.validation.schema import (
construct_schema_validators,
)
format_schema = {
'type': STRING,
}
format_validators = construct_schema_validators(format_schema, {})
format_validator = generate_object_validator(
field_validators=format_validators,
)
from flex.constants import (
BOOLEAN,
)
from flex.validation.common import (
generate_object_validator,
)
from flex.validation.schema import (
construct_schema_validators,
)
read_only_schema = {
'type': BOOLEAN,
}
read_only_validators = construct_schema_validators(read_only_schema, {})
read_only_validator = generate_object_validator(
field_validators=read_only_validators,
)
)
from flex.validation.schema import (
construct_schema_validators,
)
from flex.decorators import (
skip_if_empty,
skip_if_not_of_type,
)
@skip_if_empty
@skip_if_not_of_type(STRING)
def regex_validator(value, **kwargs):
try:
re.compile(value)
except re.error:
raise ValidationError(
MESSAGES['pattern']['invalid_regex'].format(value)
)
pattern_schema = {
'type': STRING,
}
pattern_validators = construct_schema_validators(pattern_schema, {})
pattern_validators.add_validator('regex', regex_validator)
pattern_validator = generate_object_validator(
field_validators=pattern_validators,
)
from flex.error_messages import MESSAGES
from flex.constants import INTEGER, EMPTY, ARRAY
from flex.utils import pluralize
from flex.validation.common import generate_object_validator
from flex.validation.schema import construct_schema_validators
from flex.decorators import pull_keys_from_obj, suffix_reserved_words, skip_if_any_kwargs_empty
@pull_keys_from_obj("minItems", "maxItems")
def validate_max_items_greater_than_or_equal_to_min_items(minItems, maxItems, **kwargs):
if minItems is EMPTY or maxItems is EMPTY:
return
if not maxItems >= minItems:
raise ValidationError(MESSAGES["max_items"]["must_be_greater_than_min_items"])
@pull_keys_from_obj("type", "maxItems")
@suffix_reserved_words
@skip_if_any_kwargs_empty("type_", "maxItems")
def validate_type_for_max_items(type_, maxItems, **kwargs):
types = pluralize(type_)
if not set(types).intersection((ARRAY,)):
raise ValidationError(MESSAGES["type"]["invalid_type_for_max_items"])
max_items_schema = {"type": INTEGER}
max_items_validators = construct_schema_validators(max_items_schema, {})
max_items_validator = generate_object_validator(field_validators=max_items_validators)
from flex.constants import (
ARRAY,
)
from flex.validation.common import (
generate_object_validator,
)
from flex.validation.schema import (
construct_schema_validators,
)
enum_schema = {
'type': ARRAY,
'minItems': 1,
}
enum_validators = construct_schema_validators(enum_schema, {})
enum_validator = generate_object_validator(
field_validators=enum_validators,
)
def save_object(self, obj, **kwargs):
validators = construct_schema_validators(obj, self.context)
self.object = functools.partial(validate_object, validators=validators)
from flex.constants import (
BOOLEAN, )
from flex.validation.common import (
generate_object_validator, )
from flex.validation.schema import (
construct_schema_validators, )
read_only_schema = {
'type': BOOLEAN,
}
read_only_validators = construct_schema_validators(read_only_schema, {})
read_only_validator = generate_object_validator(
field_validators=read_only_validators, )
from flex.constants import (
ARRAY,
STRING,
)
from flex.validation.common import (
generate_object_validator, )
from flex.validation.schema import (
construct_schema_validators, )
required_schema = {
'type': ARRAY,
'items': {
'type': STRING,
},
'uniqueItems': True,
}
required_validators = construct_schema_validators(required_schema, {})
required_validator = generate_object_validator(
field_validators=required_validators, )