add generated swagger_doc as temporary endpoint

tracim/__init__.py

     default_controllers.bind(configurator)
     session_api = SessionController()
     session_api.bind(configurator)
-    # TODO - G.M - 09-04-2018 - Enable swagger ui doc
-    # time.sleep(1)
-    # s = json.dumps(
-    #     hapic.generate_doc(
-    #         title='Tracim v2 API',
-    #         description='API of Tracim v2',
-    #
-    #     )
-    # )
-    # time.sleep(1)
-    # # print swagger doc
-    # print(s)
-    # time.sleep(1)
     return configurator.make_wsgi_app()

tracim/views/default/default_controller.py

 # coding=utf-8
 from tracim import TracimRequest
+from tracim.extensions import hapic
 from tracim.views.controllers import Controller
 from pyramid.config import Configurator
 from pyramid.exceptions import NotFound
 
 class DefaultController(Controller):
 
-    def notfound_view(self, request:TracimRequest):
+    def notfound_view(self, request: TracimRequest):
         request.response.status = 404
         return {}
 
+    def swagger_doc(self, request: TracimRequest):
+        return hapic.generate_doc(
+                title='Tracim v2 API',
+                description='API of Tracim v2',
+        )
+
     def bind(self, configurator: Configurator):
         configurator.add_view(
             self.notfound_view,
             renderer='json',
             context=NotFound,
         )
+        configurator.add_route(
+            'swagger_doc',
+            '/swagger_doc',
+            request_method='GET',
+        )
+        configurator.add_view(
+            self.swagger_doc,
+            route_name='swagger_doc',
+            renderer='json',
+        )