Add decorator behind the describe decorator ,query_parameters args do not working

[zengzhengrong]

example

@describe(paths="/api/v1/kubernetes/nodes/percent", methods="GET",query_parameters=['is_worker'])
@token_identify_permission('kubernetes_rest_api_server',['admin','user'])
def get_nodes_avg_percent(request,is_worker:bool=True):

I add the token_identify_permission behind ,when i start server it pop error

Traceback (most recent call last):
  File "rest_api.py", line 94, in <module>
    add_route(app,get_nodes_avg_percent)
  File "/usr/local/lib/python3.6/site-packages/sanic_transmute/route.py", line 15, in add_route
    get_swagger_spec(app_or_blueprint).add_func(transmute_func, context)
  File "/usr/local/lib/python3.6/site-packages/transmute_core/swagger/__init__.py", line 55, in add_func
    swagger_path = transmute_func.get_swagger_path(transmute_context)
  File "/usr/local/lib/python3.6/site-packages/transmute_core/function/transmute_function.py", line 78, in get_swagger_path
    operation = self.get_swagger_operation(context)
  File "/usr/local/lib/python3.6/site-packages/transmute_core/function/transmute_function.py", line 94, in get_swagger_operation
    parameters = get_swagger_parameters(self.parameters, context)
  File "/usr/local/lib/python3.6/site-packages/transmute_core/http_parameters/swagger.py", line 15, in get_swagger_parameters
    "required": arginfo.default is NoDefault,
AttributeError: 'NoneType' object has no attribute 'default'

I check

dict_items([('is_worker', Param(argument_name='is_worker', description=None, arginfo=None))])

arginfo should be a Argument(name='is_worker', default=True, type=<class 'bool'> , but it set None , and i remove args query_parameters=['is_worker'] or remove custom decorator ,it work fine

I just use sanic-transmute==0.1.3

[toumorokoshi]

Hi! This is probably happening because the decorator extracts attributes from your decorated function, rather than the raw one that lies below.

What does your decorator looks like? It messes with the argument detection if your outer function, for example, does something like *arg, **kwarg which has no real signature.

If you use something like functools.wraps, maybe we could add a patch that will look at deeper functions for obviously annotated function wrappers.