code: def _extract_models(cls, apis):
          '''An helper function to extract all used models from the apis.'''
          # TODO: This would probably be much better if the info would be
          # extracted from the classes, rather than from the swagger
          # representation...
          models = set()
          for api in apis:
              for op in api.get('operations', []):
                  models.add(op['type'])
                  for param in op.get('parameters', []):
                      models.add(param.get('type', 'void'))
                  for msg in op['responseMessages']:
                      models.add(msg.get('responseModel', 'void'))
          # Convert from swagger name representation to classes
          models = map(lambda m: Model.name_to_cls[m], models)
          ret = {}
          for model in models:
              if model.native_type:
                  continue
              obj = model.schema.copy()
              obj['id'] = model.name
              ret[model.name] = obj
          return ref _extract_models(cls, apis):
          '''An helper function to extract all used models from the apis.'''
          # TODO: This would probably be much better if the info would be
          # extracted from the classes, rather than from the swagger
          # representation...
          models = set()
          for api in apis:
              for op in api.get('operations', []):
                  models.add(op['type'])
                  for param in op.get('parameters', []):
                      models.add(param.get('type', 'void'))
                  for msg in op['responseMessages']:
                      models.add(msg.get('responseModel', 'void'))
          # Convert from swagger name representation to classes
          models = map(lambda m: Model.name_to_cls[m], models)
          ret = {}
          for model in models:
              if model.native_type:
                  continue
              obj = model.schema.copy()
              obj['id'] = model.name
              ret[model.name] = obj
          return ret
docs: An helper function to extract all used models from the apis.