gistfile1.txt

# myapp/subscribers.py

from myapp import helpers as h
from pyramid.events import subscriber
from pyramid.events import BeforeRender

 def add_globals(event):
     event['h'] = h

# myapp/__init__.py

from pyramid.config import Configurator
from pyramid.events import BeforeRender
from myapp.subscribers import add_globals

def main(global_settings, **settings):
    config = Configurator()
    # other config here
    config.add_subscriber(add_globals, BeforeRender)