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

[Georg Brandl]

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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