direct print to log file
benjamin.kaplan at case.edu
Tue Oct 5 16:48:23 CEST 2010
On Tue, Oct 5, 2010 at 10:41 AM, Dave Angel <davea at ieee.org> wrote:
> On 2:59 PM, Dirk Nachbar wrote:
>> How can I direct all print to a log file, eg some functions have their
>> own print and I cannot put a f.write() in front of it.
> When code does a print() without specifying a file, it goes to sys.stdout
> So you just have to create a new file object and bind sys.stdout to it.
> import sys
> sys.stdout = open("mylogfile.txt", "w")
> or in your case sys.stdout = f
> If you want to be able to go back to the original, then first bind another
> symbol to it.
> orig = sys.stdout
> sys.stdout = f
> ----do stuff----
> sys.stdout = orig
The original sys.stdout is stored as sys.__stdout__ so there's no need to
store it yourself.
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