def batch_watch(parameterized, run=True):
    """
    Context manager to batch watcher events on a parameterized object.
    The context manager will queue any events triggered by setting a
    parameter on the supplied parameterized object and dispatch them
    all at once when the context manager exits. If run=False the
    queued events are not dispatched and should be processed manually.
    """
    BATCH_WATCH = parameterized.param._BATCH_WATCH
    parameterized.param._BATCH_WATCH = True
    try:
        yield
    finally:
        parameterized.param._BATCH_WATCH = BATCH_WATCH
        if run and not BATCH_WATCH:
            parameterized.param._batch_call_watchers()
def batch_watch ( parameterized , run = True ) : BATCH_WATCH = parameterized . param . _BATCH_WATCH parameterized . param . _BATCH_WATCH = True try : yield finally : parameterized . param . _BATCH_WATCH = BATCH_WATCH if run and not BATCH_WATCH : parameterized . param . _batch_call_watchers ( )
Context manager to batch watcher events on a parameterized object.
    The context manager will queue any events triggered by setting a
    parameter on the supplied parameterized object and dispatch them
    all at once when the context manager exits. If run=False the
    queued events are not dispatched and should be processed manually.