def item_field_getters():
 funcs = {}
 for plugin in find_plugins():
  if plugin.template_fields:
   funcs.update(plugin.template_fields)
 return funcs

def item_field_getters ( ) : funcs = { } for plugin in find_plugins ( ) : if plugin . template_fields : funcs . update ( plugin . template_fields ) return funcs
get a dictionary mapping field names to unary functions that compute the fields value .