You're right, thanks (guess I'll use that option then). Now, is it a bug that Python 3.0 doesn't run unbuffered when specifying -u or PYTHONUNBUFFERED, or was this support dropped?
Thanks, Fabio On Fri, Dec 19, 2008 at 8:03 PM, Brett Cannon <br...@python.org> wrote: > On Fri, Dec 19, 2008 at 13:43, Fabio Zadrozny <fabi...@gmail.com> wrote: >> Hi, >> >> I'm currently having problems to get the output of Python 3.0 into the >> Eclipse console (integrating it into Pydev). >> >> The problem appears to be that stdout and stderr are not running >> unbuffered (even passing -u or trying to set PYTHONUNBUFFERED), and >> the content only appears to me when a flush() is done or when the >> process finishes. >> >> So, in the search of a solution, I found a suggestion from >> http://stackoverflow.com/questions/107705/python-output-buffering >> >> to use the following construct: >> >> sys.stdout = os.fdopen(sys.stdout.fileno(), 'w', 0) >> >> But that gives the error below in Python 3.0: >> >> sys.stdout = os.fdopen(sys.stdout.fileno(), 'w', 0) >> File "D:\bin\Python30\lib\os.py", line 659, in fdopen >> return io.open(fd, *args, **kwargs) >> File "D:\bin\Python30\lib\io.py", line 243, in open >> raise ValueError("can't have unbuffered text I/O") >> ValueError: can't have unbuffered text I/O >> >> So, I'd like to know if there's some way I can make it run unbuffered >> (to get the output contents without having to flush() after each >> write). > > Notice how the exception specifies test I/O cannot be unbuffered. This > restriction does not apply to bytes I/O. Simply open it as 'wb' > instead of 'w' and it works. > > -Brett > _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
