Collect output to string
clp2 at rebertia.com
Tue Nov 23 22:42:10 CET 2010
On Tue, Nov 23, 2010 at 1:15 PM, Ian <ian.g.kelly at gmail.com> wrote:
> On Nov 23, 1:59 pm, Burton Samograd <bur... at userful.com> wrote:
>> Thanks for the tip. Here's my function:
>> def with_output_to_string(f, args):
>> oldstdout = sys.stdout
>> buffer = StringIO.StringIO()
>> sys.stdout = buffer
>> apply(f, args)
>> sys.stdout = oldstdout
>> return buffer.getvalue()
>> Any way I could improve it?
> You should wrap the inner function call in a try-finally call to
> ensure that the old stdout gets restored even if f raises an
> Also, the `apply` function is deprecated. Use `f(*args)` instead.
> The function as a whole would be a bit more Pythonic if written as a
> decorator IMO, but that's your call.
A context manager could also be worth considering.
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