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Groups > comp.lang.python > #21358
| Date | 2012-03-07 17:14 -0500 |
|---|---|
| From | Dave Angel <d@davea.name> |
| Subject | Re: sys.stdout.detach() results in ValueError |
| References | <alpine.DEB.2.00.1203072032590.2657@pebbe> |
| Newsgroups | comp.lang.python |
| Message-ID | <mailman.494.1331158511.3037.python-list@python.org> (permalink) |
On 03/07/2012 02:41 PM, Peter Kleiweg wrote: > I want to write out some binary data to stdout in Python3. I > thought the way to do this was to call detach on sys.stdout. But > apparently, you can't. Here is a minimal script: > > #!/usr/bin/env python3.1 > import sys > fp = sys.stdout.detach() > > Not yet using fp in any way, this script gives the following error: > > Exception ValueError: 'underlying buffer has been detached' in > > Same in Python 3.1.4 and Python 3.2.2 > > So, what do I do if I want to send binary data to stdout? > > > sys.stdout.write( some_binary_data ) Why should you need to do some funny manipulation? If you have some other unstated motivation, better ask a clearer question. -- DaveA
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sys.stdout.detach() results in ValueError Peter Kleiweg <pkleiweg@xs4all.nl> - 2012-03-07 20:41 +0100
Re: sys.stdout.detach() results in ValueError Dave Angel <d@davea.name> - 2012-03-07 17:14 -0500
Re: sys.stdout.detach() results in ValueError Peter Kleiweg <pkleiweg@xs4all.nl> - 2012-03-07 23:35 +0100
Re: sys.stdout.detach() results in ValueError Terry Reedy <tjreedy@udel.edu> - 2012-03-07 19:10 -0500
Re: sys.stdout.detach() results in ValueError Mark Tolonen <metolone@gmail.com> - 2012-03-07 16:41 -0800
Re: sys.stdout.detach() results in ValueError Benjamin Peterson <benjamin@python.org> - 2012-03-08 03:49 +0000
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