add http info support for python

modules/swagger-codegen/src/main/resources/python/api.mustache

@@ -47,7 +47,7 @@ class {{classname}}(object):
             self.api_client = config.api_client
 {{#operation}}
 
-    def {{nickname}}(self, {{#sortParamsByRequiredFlag}}{{#allParams}}{{#required}}{{paramName}}, {{/required}}{{/allParams}}{{/sortParamsByRequiredFlag}}**kwargs):
+    def {{operationId}}(self, {{#sortParamsByRequiredFlag}}{{#allParams}}{{#required}}{{paramName}}, {{/required}}{{/allParams}}{{/sortParamsByRequiredFlag}}**kwargs):
         """
         {{{summary}}}
         {{{notes}}}
@@ -59,10 +59,43 @@ class {{classname}}(object):
         >>>     pprint(response)
         >>>
 {{#sortParamsByRequiredFlag}}
-        >>> thread = api.{{nickname}}({{#allParams}}{{#required}}{{paramName}}, {{/required}}{{/allParams}}callback=callback_function)
+        >>> thread = api.{{operationId}}({{#allParams}}{{#required}}{{paramName}}, {{/required}}{{/allParams}}callback=callback_function)
 {{/sortParamsByRequiredFlag}}
 {{^sortParamsByRequiredFlag}}
-        >>> thread = api.{{nickname}}({{#allParams}}{{#required}}{{paramName}}={{paramName}}_value, {{/required}}{{/allParams}}callback=callback_function)
+        >>> thread = api.{{operationId}}({{#allParams}}{{#required}}{{paramName}}={{paramName}}_value, {{/required}}{{/allParams}}callback=callback_function)
+{{/sortParamsByRequiredFlag}}
+
+        :param callback function: The callback function
+            for asynchronous request. (optional)
+{{#allParams}}
+        :param {{dataType}} {{paramName}}: {{{description}}}{{#required}} (required){{/required}}{{#optional}}(optional){{/optional}}
+{{/allParams}}
+        :return: {{#returnType}}{{returnType}}{{/returnType}}{{^returnType}}None{{/returnType}}
+                 If the method is called asynchronously,
+                 returns the request thread.
+        """
+        if kwargs.get('callback'):
+            return self.{{operationId}}_with_http_info({{#sortParamsByRequiredFlag}}{{#allParams}}{{#required}}{{paramName}}, {{/required}}{{/allParams}}{{/sortParamsByRequiredFlag}}**kwargs)
+        else:
+            (data, status_code, response_headers) = self.{{operationId}}_with_http_info({{#sortParamsByRequiredFlag}}{{#allParams}}{{#required}}{{paramName}}, {{/required}}{{/allParams}}{{/sortParamsByRequiredFlag}}**kwargs)
+            return data
+
+    def {{operationId}}_with_http_info(self, {{#sortParamsByRequiredFlag}}{{#allParams}}{{#required}}{{paramName}}, {{/required}}{{/allParams}}{{/sortParamsByRequiredFlag}}**kwargs):
+        """
+        {{{summary}}}
+        {{{notes}}}
+
+        This method makes a synchronous HTTP request by default. To make an
+        asynchronous HTTP request, please define a `callback` function
+        to be invoked when receiving the response.
+        >>> def callback_function(response):
+        >>>     pprint(response)
+        >>>
+{{#sortParamsByRequiredFlag}}
+        >>> thread = api.{{operationId}}_with_http_info({{#allParams}}{{#required}}{{paramName}}, {{/required}}{{/allParams}}callback=callback_function)
+{{/sortParamsByRequiredFlag}}
+{{^sortParamsByRequiredFlag}}
+        >>> thread = api.{{operationId}}_with_http_info({{#allParams}}{{#required}}{{paramName}}={{paramName}}_value, {{/required}}{{/allParams}}callback=callback_function)
 {{/sortParamsByRequiredFlag}}
 
         :param callback function: The callback function
@@ -83,7 +116,7 @@ class {{classname}}(object):
             if key not in all_params:
                 raise TypeError(
                     "Got an unexpected keyword argument '%s'"
-                    " to method {{nickname}}" % key
+                    " to method {{operationId}}" % key
                 )
             params[key] = val
         del params['kwargs']
@@ -92,7 +125,7 @@ class {{classname}}(object):
 {{#required}}
         # verify the required parameter '{{paramName}}' is set
         if ('{{paramName}}' not in params) or (params['{{paramName}}'] is None):
-            raise ValueError("Missing the required parameter `{{paramName}}` when calling `{{nickname}}`")
+            raise ValueError("Missing the required parameter `{{paramName}}` when calling `{{operationId}}`")
 {{/required}}
 {{/allParams}}
 
@@ -141,7 +174,7 @@ class {{classname}}(object):
         # Authentication setting
         auth_settings = [{{#authMethods}}'{{name}}'{{#hasMore}}, {{/hasMore}}{{/authMethods}}]
 
-        response = self.api_client.call_api(resource_path, '{{httpMethod}}',
+        return self.api_client.call_api(resource_path, '{{httpMethod}}',
                                             path_params,
                                             query_params,
                                             header_params,
@@ -151,6 +184,5 @@ class {{classname}}(object):
                                             response_type={{#returnType}}'{{returnType}}'{{/returnType}}{{^returnType}}None{{/returnType}},
                                             auth_settings=auth_settings,
                                             callback=params.get('callback'))
-        return response
 {{/operation}}
 {{/operations}}

modules/swagger-codegen/src/main/resources/python/api_client.mustache

@@ -157,9 +157,9 @@ class ApiClient(object):
             deserialized_data = None
 
         if callback:
-            callback(deserialized_data)
+            callback((deserialized_data, response_data.status, response_data.getheaders()))
         else:
-            return deserialized_data
+            return (deserialized_data, response_data.status, response_data.getheaders())
 
     def to_path_value(self, obj):
         """