How to chain attribute lookups that might return None in Python?

Question

My problem is a general one, how to chain a series of attribute lookups when one of the intermediate ones might return None, but since I ran into this problem t

Answer 1

This is how I handled it with inspiration from @TAS and Is there a Python library (or pattern) like Ruby's andand?

class Andand(object):
    def __init__(self, item=None):
        self.item = item

    def __getattr__(self, name):
        try:
            item = getattr(self.item, name)
            return item if name is 'item' else Andand(item)
        except AttributeError:
            return Andand()     

    def __call__(self):
        return self.item


title = Andand(soup).head.title.string()