[Python-Dev] cStringIO.StringIO() buffer behavior

Guido van Rossum guido at python.org
Sun Aug 5 17:00:27 CEST 2007

Methinks that this was a fundamental limitation of cStringIO, not  a
bug. Certainly not something to be "fixed" in a bugfix release.

On 8/5/07, Georg Brandl <g.brandl at gmx.net> wrote:
> See bugs #1548891 and #1730114.
> In the former, it was reported that cStringIO works differently from StringIO
> when handling unicode strings; it used GetReadBuffer which returned the raw
> internal UCS-2 or UCS-4 encoded string.
> I changed it to use GetCharBuffer, which converts to a string using the
> default encoding first. This fix was also in 2.5.1.
> The latter bug now complains that this excludes things like array.array()s
> from being used as an argument to cStringIO.StringIO(), which worked before
> with GetReadBuffer.
> What's the preferred solution here?
> Georg
> --
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--Guido van Rossum (home page: http://www.python.org/~guido/)

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