Kenneth McDonald wrote:
> I'm trying to write a 'flatten' generator which, when give a
> generator/iterator that can yield iterators, generators, and other data
> types, will 'flatten' everything so that it in turns yields stuff by
> simply yielding the instances of other types, and recursively yields the
> stuff yielded by the gen/iter objects.
>> To do this, I need to determine (as fair as I can see), what are
> generator and iterator objects. Unfortunately:
>> >>> iter("abc")
> <iterator object at 0x61d90>
> >>> def f(x):
> ... for s in x: yield s
> ...
> >>> f
> <function f at 0x58230>
> >>> f.__class__
> <type 'function'>
>> So while I can identify iterators, I can't identify generators by class.
>> Is there a way to do this? Or perhaps another (better) way to achieve
> this flattening effect? itertools doesn't seem to have anything that
> will do it.
>> Thanks,
> Ken
>>> def f(x):
... for s in x: yield s
...
>>> f([1])
<generator object at 0x01388E18>
?
- Paddy.
