code: def get(self, recipe=None, plugin=None):
          
          if plugin is not None:
              if recipe is None:
                  recipes_list = {}
                  for key in self.recipes.keys():
                      if self.recipes[key].plugin == plugin:
                          recipes_list[key] = self.recipes[key]
                  return recipes_list
              else:
                  if recipe in self.recipes.keys():
                      if self.recipes[recipe].plugin == plugin:
                          return self.recipes[recipe]
                      else:
                          return None
                  else:
                      return None
          else:
              if recipe is None:
                  return self.recipes
              else:
                  if recipe in self.recipes.keys():
                      return self.recipes[recipe]
                  else:
                      return None
docs: Get one or more recipes.
  
          :param recipe: Name of the recipe
          :type recipe: str
          :param plugin: Plugin object, under which the recipe was registered
          :type plugin: GwBasePattern