pipe into preallocated buffer?

[Thomas Rachel]

Am 12.01.2012 06:23 schrieb Kushal Kumaran:
> On Wed, Jan 4, 2012 at 8:05 PM, Mihai Badoiu<mbadoiu at gmail.com>  wrote:
>> is there a way to pipe directly into a preallocated buffer?
>>   (subprocessing.pipe.stdout)
>>
>
> Does io.StringIO fit your needs?
>
> http://docs.python.org/py3k/library/io.html#io.StringIO

Probably not. A file object used in the subprocess context needs a 
fileno() method. StringIO objects don't have such.

Probably it is necessary to use subprocess.communicate() (for rather 
small data lengths) or to use sp.stdout.read() to read it manually.


Thomas