def build(cls, params: QueryParams, arg_name: ArgName):
value = params.get(arg_name)
if value is None or cls.schema is None:
return value
if not isinstance(value, cls.schema):
value = validate(cls.schema, value)
return value
def build(cls, params: QueryParams, arg_name: ArgName):
value = params.get(arg_name)
if value is None or cls.schema is None:
return value
if not isinstance(value, cls.schema):
value = validate(cls.schema, value, key=arg_name)
return value
def build(cls, body: Body):
value = json.loads(body.decode('utf-8'))
if value is None or cls.schema is None:
return value
if not isinstance(value, cls.schema):
value = validate(cls.schema, value)
return value
def build(cls, data: RequestData, arg_name: ArgName):
value = data[arg_name] # type: ignore
if value is None or cls.schema is None:
return value
if not isinstance(value, cls.schema):
value = validate(cls.schema, value, key=arg_name)
return value
def build(cls, environ: WSGIEnviron):
if not bool(environ.get('CONTENT_TYPE')):
mimetype = None
else:
mimetype, _ = parse_options_header(environ['CONTENT_TYPE'])
if mimetype is None:
value = None
elif mimetype == 'application/json':
body = get_input_stream(environ).read()
value = json.loads(body.decode('utf-8'))
elif mimetype in ('multipart/form-data', 'application/x-www-form-urlencoded'):
stream, form, files = parse_form_data(environ)
value = ImmutableMultiDict(list(form.items()) + list(files.items()))
else:
raise exceptions.UnsupportedMediaType()
if cls.schema is None:
return value
if not isinstance(value, cls.schema):
value = validate(cls.schema, value)
return value