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@honza
Created October 3, 2013 06:23
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Clojure's get-in in Python
"""
Clojure-inspired ``get_in`` function which gets value from nested dicts,
returning ``None`` if a key is not found.
"""
def get_in(obj, *keys):
for k in keys:
v = obj.get(k, None)
if not v:
return None
obj = v
return obj
def main():
obj = {
'one': 1,
'two': {
'one': 11
}
}
assert 1 == get_in(obj, 'one')
assert 11 == get_in(obj, 'two', 'one')
assert None == get_in(obj, 'three')
assert None == get_in(obj, 'two', 'three')
if __name__ == '__main__':
main()
@brainkim
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it should be if v is None what if you fetch a falsy value?

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