[Python-Dev] Decoding incomplete unicode (original) (raw)

Bob Ippolito bob at redivi.com
Wed Jul 28 04:20:24 CEST 2004

On Jul 27, 2004, at 9:26 PM, Josiah Carlson wrote:

- readline() and readlines() have an additional option for dropping the u"\n". I'll point out (since no one else has so far) that the reasons for keeping the linefeed at the end of lines returned by readline() and readlines() are documented here: http://docs.python.org/lib/bltin-file-objects.html#foot3271 Specifically it allows one to use the following and have it "do the right thing". while 1: line = obj.readline() if not line: break process(line) Having the option of readline() and readlines() being ambiguous anywhere sounds like a misfeature. Furthermore, since all other readline and readlines calls that do not inherit from StreamReader use the unambiguous "always include the line ending", changing StreamReader to be different is obviously the wrong thing to do.

While this reasoning makes sense for readline(), it most definitely does not for readlines() or iter(). unicode objects have a splitlines() function with this feature, which is probably what he's using in his implementation (I used it in mine), so it's pretty natural to expose that option to the external interface.

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