On Sat, Oct 30, 2010 at 9:21 PM, André <andre.robe...@gmail.com> wrote: > On Oct 31, 1:11 am, Chris Rebert <c...@rebertia.com> wrote: >> On Sat, Oct 30, 2010 at 8:32 PM, André <andre.robe...@gmail.com> wrote: >> > I'm trying to create pbm (portable bitmap) files using Python 3 and >> > have run into a problem. The example I am using is the Python 2 >> > Mandelbrot program found at >> >http://shootout.alioth.debian.org/u32/program.php?test=mandelbrot&lan... >> >> > When I run it using Python 2 with size=100, I get a file of size 1311 >> > bytes. This file contains the correct image. >> >> > When I run it using Python 3 with the same parameter (and replacing >> > xrange by range - the only change suggested by 2to3), I get a file of >> > size 1812 bytes; this file does not contain the right image. >> >> > Any help would be much appreciated. >> >> Have you tried changing all instances of chr(<whatever>) to >> bytes([<whatever>]) ? > Yes, I had. And I got the following traceback: > > Traceback (most recent call last): > File "mandel_orig.py", line 39, in <module> > main() > File "mandel_orig.py", line 30, in main > cout(bytes([byte_acc])) > TypeError: must be str, not bytes
Ah, right. This is the problem of not having Python 3 to test with. Try also changing: cout = sys.stdout.buffer.write Cheers, Chris -- http://blog.rebertia.com -- http://mail.python.org/mailman/listinfo/python-list
