[Python-Dev] Decoding incomplete unicode
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:
> Specifically it allows one to use the following and have it "do the
> right thing".
> while 1:
> line = obj.readline()
> if not line:
> Having the option of readline() and readlines() being ambiguous
> 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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