pyramid 小物シリーズ

helpers.py

def add_helper(config, name, helper):
    helper = config.maybe_dotted(helper)
    def before_render(event):
        event[name] = helper
    config.add_subscriber(before_render,
        'pyramid.events.BeforeRender')

def includeme(config):
  config.add_directive("add_helper", ".add_helper")