Why does python property decorator eat this exception? [duplicate]

Question

Nothing prints when I run this code. Why? No exceptions are thrown, nothing in the if...elif...else structure is executed.

Environment: Python 2.7.

d= {"x":1}

class bizarre(object):
    def __init__(self):
        self.metadata = {}

    def __getattr__(self, name):
        return self.metadata.get(name, None)

    @property
    def odd(self):
        if False:
            print '1'
        elif self.fake.get("blah", ''):
            print '2'
        else:
            print '3'

b=bizarre()
b.odd

The previous answer suggested by BrenBarn has the information needed to answer my question, though not directly. But I can answer my own question now:

The property decorator uses AttributeError as a signal from the getter to call __getattr__, so if your getter throws an attribute error, it will be caught and you won't see it.

Thank you lemonhead and mission.liao for indulging my ignorance.

Answer 1

Okay, I figured out what is happening here:

 elif self.fake.get("blah", ''):
     print '2'

This is the problematic line. self.fake is None, so running None.get('blah') raises an AttributeError. However, since this is inside a property, python treats this as if the property does not exist, and so in turn calls __getattr__, which does not print anything