[clug] Two level python iterator
jm
jeffm at ghostgun.com
Wed Dec 8 19:56:15 MST 2010
One for the python developers out there.
I have a class which stores data in a hash of a hash and I which I wish
to iterate over all the entries. Something like that shown below. What
do I write for the __iter__ and next methods so that I can loop over the
data with one for loop? Been thinking in languages other than python
lately and just can't see the answer at the moment.
class TwoLevel:
....
def add_data(self, idx1, idx2, value):
self.data[idx1][idx2] = value
def __iter__(self):
# what goes here
def next(self):
# and here
# main
store = TwoLevel()
# with a bit of hand waving store a bunch of data
store.add_data(i,j, data)
# do something with entries
for entry in store:
print entry
Jeff.
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