plone.app.async decorator template

gistfile1.py

_decoratedFunctions = {}
class _AsyncSomething(object):
    """Async job decorator

    Tracks decorated function via a global mapping instead of storing
    the function directly to remain pickleable.

    """
    _name = ''

    def __init__(self, func):
        self._key = (func.__module__, func.__name__)
        global _decoratedFunctions
        _decoratedFunctions[self._key] = func

    @property
    def func(self):
        global _decoratedFunctions
        return _decoratedFunctions[self._key]

    def __repr__(self):
        return '%s.%s' % (self._key)

    def __call__(self, *args, **kw):
        # Do pre-call stuff here
        self.func(context, obj, *args, **kw)
        # Do post-call stuff here

def asyncSomething(func):
    """Decorator to enable multi-step batching"""
    return _AsyncSomething(func)


# Example use
@asyncSomething
def someFunctionForAsyncUse(context, obj):
    # Blah blah
    pass