All configuration is stored in a dict.

from bravado_core.spec import Spec

spec_dict = json.loads(open('swagger.json', 'r').read())

config = {
    'validate_requests': False,
    'use_models': False,

swagger_spec = Spec.from_dict(spec_dict, config=config)
Config key Type Default Description
validate_swagger_spec boolean True
Validate the Swagger spec against
the Swagger 2.0 Specification.
validate_requests boolean True
On the client side, validates outgoing requests.
On the server side, validates incoming requests.
validate_responses boolean True
On the client side, validates incoming responses.
On the server side, validates outgoing responses.
use_models boolean True
Use python classes to represent models
instead of dicts. See Python Models.
formats list of SwaggerFormat []
List of user-defined formats to support.
include_missing_properties boolean True
Create properties with the value None if they
were not submitted during object unmarshalling
default_type_to_object boolean False
When set to True, missing types will default
to object and be validated as such.
When set to False, missing types will not be
validated at all.
internally_dereference_refs boolean False
Completely dereference $refs to maximize
marshalling and unmarshalling performance.
NOTE: this depends on validate_swagger_spec
use_spec_url_for_base_path boolean False
What value to assume for basePath if it is missing
from the spec (this config option is ignored if
basePath is present in the spec).
If enabled, use the path element of the URL the
spec was retrieved from.
If disabled, set basePath to / (conforms to
the Swagger 2.0 specification)
use_base64_for_byte_format boolean False
If true, base64-encode binary data to wire and
base64-decode from wire for data with byte format.