On Thu, Jul 11, 2002 at 08:19:31AM -0400, Guido van Rossum wrote: > > Guess I must be missing something? Of course the "complete rewrite" > > is an alluring prospect -- for many other reasons, such as enabling > > user control of file buffering in cross-platform ways, *yum* -- but it's not > > going to happen in time for 2.3 anyway, is it? > > I'm not going to hold up the 2.3 release, but if a patch lands in the > SF patch manager, I'm not going to reject it. Hint, hint. :-) http://www.python.org/sf/580331 No, it's not a complete rewrite of file buffering. This patch implements Just's idea of xreadlines caching in the file object. It also makes a file into an iterator: __iter__ returns self and next calls the next method of the cached xreadlines object. See my previous postings for why I think a file should be an iterator. With this patch any combination of multiple xreadlines and iterator protocol operations on a file object is safe. Using xreadlines/iterator followed by regular readline has the same buffering problem as before. Oren
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