Ned Deily added the comment:
shelve is behaving as documented. Because the shelve dictionary entry is
mutable (a dictionary), you need to set writeback=True to get the behavior you
expect. http://docs.python.org/library/shelve.html
--
nosy: +ned.deily
resolution: -> invalid
stage:
New submission from Chris Piekarski :
Shelve object second tier array subscript key generation doesn't behave the
same way dictionary object do.
>>> import shelve
>>> x = shelve.open("tst1.shelve")
>>> x["one"] = {}
>>> x
{'one': {}}
>>> x["one"]["two"] = 2
>>> x
{'one': {}}
Whereas with a dic
