Nikolaus Rath added the comment: On 03/26/2014 03:43 AM, STINNER Victor wrote: >> class MyByteStream(BytesIO): >> def read1(self, len_): >> return memoryview(super().read(len_)) >> bs = MyByteStream(b'some data in ascii\n') > > I guess that you are trying to implement a zero-copy I/O. The problem is that > BytesIO does copy data.
Right on the first count, but wrong on the second. The class I'm concerned with wants to do zero-copy I/O, but is not related to BytesIO. I only picked that to produce a minimal example. ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue21057> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
