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A exceção cornice_swagger.converters.exceptions.NoSuchConverter é lançada ao acessar o endpoint /__api__ com o código rodando na branch master.
Traceback
gustavofonseca@P239:document-store (master) pserve development.ini
Starting server in PID 4127.
Serving on http://0.0.0.0:6543
2019-10-03 18:03:21,789 ERROR [waitress][waitress] Exception while serving /__api__
Traceback (most recent call last):
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/waitress/channel.py", line 356, in service
task.service()
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/waitress/task.py", line 176, in service
self.execute()
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/waitress/task.py", line 447, in execute
app_iter = self.channel.server.application(env, start_response)
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/pyramid/router.py", line 270, in __call__
response = self.execution_policy(environ, self)
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/pyramid/router.py", line 278, in default_execution_policy
return request.invoke_exception_view(reraise=True)
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/pyramid/view.py", line 748, in invoke_exception_view
reraise_(*exc_info)
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/pyramid/compat.py", line 147, in reraise
raise value.with_traceback(tb)
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/pyramid/router.py", line 276, in default_execution_policy
return router.invoke_request(request)
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/pyramid/router.py", line 249, in invoke_request
response = handle_request(request)
File "/Users/gustavofonseca/prj/document-store/documentstore/pyramid_prometheus.py", line 37, in tween
response = handler(request)
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/pyramid/tweens.py", line 41, in excview_tween
response = _error_handler(request, exc)
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/pyramid/tweens.py", line 12, in _error_handler
response = request.invoke_exception_view(exc_info)
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/pyramid/view.py", line 744, in invoke_exception_view
request_iface=request_iface.combined,
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/pyramid/view.py", line 642, in _call_view
response = view_callable(context, request)
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/pyramid/viewderivers.py", line 410, in viewresult_to_response
result = view(context, request)
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/pyramid/tweens.py", line 39, in excview_tween
response = handler(request)
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/pyramid/router.py", line 156, in handle_request
view_name
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/pyramid/view.py", line 642, in _call_view
response = view_callable(context, request)
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/pyramid/config/views.py", line 181, in __call__
return view(context, request)
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/pyramid/viewderivers.py", line 390, in attr_view
return view(context, request)
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/pyramid/viewderivers.py", line 368, in predicate_wrapper
return view(context, request)
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/pyramid/viewderivers.py", line 439, in rendered_view
result = view(context, request)
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/pyramid/viewderivers.py", line 148, in _requestonly_view
response = view(request)
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/cornice/service.py", line 502, in wrapper
response = view_(request)
File "/Users/gustavofonseca/prj/document-store/documentstore/restfulapi.py", line 1043, in openAPI_spec
return doc.generate("Kernel", "0.1")
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/cornice_swagger-0.7.0-py3.7.egg/cornice_swagger/swagger.py", line 427, in generate
paths, tags = self._build_paths()
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/cornice_swagger-0.7.0-py3.7.egg/cornice_swagger/swagger.py", line 500, in _build_paths
op = self._extract_operation_from_view(view, args)
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/cornice_swagger-0.7.0-py3.7.egg/cornice_swagger/swagger.py", line 644, in _extract_operation_from_view
parameters = self.parameters.from_schema(schema)
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/cornice_swagger-0.7.0-py3.7.egg/cornice_swagger/swagger.py", line 132, in from_schema
param_schema)
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/cornice_swagger-0.7.0-py3.7.egg/cornice_swagger/converters/parameters.py", line 100, in __call__
converted = converter.convert(schema_node, self.definition_handler)
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/cornice_swagger-0.7.0-py3.7.egg/cornice_swagger/converters/parameters.py", line 73, in convert
schema = definition_handler(schema_node)
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/cornice_swagger-0.7.0-py3.7.egg/cornice_swagger/converters/schema.py", line 271, in __call__
converted = converter(schema_node)
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/cornice_swagger-0.7.0-py3.7.egg/cornice_swagger/converters/schema.py", line 136, in __call__
converted = self.convert_type(schema_node)
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/cornice_swagger-0.7.0-py3.7.egg/cornice_swagger/converters/schema.py", line 207, in convert_type
properties[sub_node.name] = self.dispatcher(sub_node)
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/cornice_swagger-0.7.0-py3.7.egg/cornice_swagger/converters/schema.py", line 271, in __call__
converted = converter(schema_node)
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/cornice_swagger-0.7.0-py3.7.egg/cornice_swagger/converters/schema.py", line 136, in __call__
converted = self.convert_type(schema_node)
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/cornice_swagger-0.7.0-py3.7.egg/cornice_swagger/converters/schema.py", line 207, in convert_type
properties[sub_node.name] = self.dispatcher(sub_node)
File "/Users/gustavofonseca/.virtualenvs/document-store/lib/python3.7/site-packages/cornice_swagger-0.7.0-py3.7.egg/cornice_swagger/converters/schema.py", line 268, in __call__
raise NoSuchConverter
cornice_swagger.converters.exceptions.NoSuchConverter
Depois de uma breve análise detectei que o problema ocorre devido ao uso de colander.TupleSchema na linha
Descrição da tarefa
A exceção
cornice_swagger.converters.exceptions.NoSuchConverter
é lançada ao acessar o endpoint/__api__
com o código rodando na branchmaster
.Traceback
Depois de uma breve análise detectei que o problema ocorre devido ao uso de
colander.TupleSchema
na linhakernel/documentstore/restfulapi.py
Line 228 in 71eda5b
colander.TupleSchema
não é suportado pelopyramid-swagger
(veja aqui a lista de conversores suportados)O commit que inseriu o bug foi 342c567
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