An iteration idiom (Was: Re: [Guppy-pe-list] loading files containing multiple dumps)
bborcic at gmail.com
Wed Sep 2 15:33:56 CEST 2009
Sverker Nilsson wrote:
>> Sverker Nilsson wrote:
>>> It reads one Stat object at a time and wants to report something
>>> when there is no more to be read from the file.
>> Hmm, am I right in thinking the above can more nicely be written as:
>> >>> from guppy import hpy
>> >>> h = hpy()
>> >>> f = open(r'your.hpy')
>> >>> sets = 
>> >>> for s in iter(h.load(f)): sets.append(s)
> The above iterates over one Stat object returned by h.load(f). I assume
> you want to iterate over all the objects loaded.
I dont know guppy,
but if h.load(f) raises StopIteration upon eof, as seems implied by your
proposal, then something like the following would work.
sets.extend(h.load(f) for _ in xrange(1e9))
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