Guido> Likewise, the file needs a strong ref to the xreadlines, Guido> otherwise the following would create a new iterator in the Guido> second for loop, and lose data buffered by the first iterator. Guido> f = open(filename) Guido> it = iter(f) Guido> for i in range(10): Guido> it.next() Guido> del it Guido> for line in f: Guido> print line, Guido> I think I will have to reject Oren's patch because of this, and Guido> the situation with file iterators will remain as it is: once Guido> you've asked for the iterator, all operations on the file are Guido> unsafe, and the only way to get back to using the file is to Guido> abandon the file and do an absolute seek on the file. This implies that you don't expect the code above to work correctly, right? -- Andrew Koenig, ark@research.att.com, http://www.research.att.com/info/ark
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