Line-profiler: line-level profiling for python

If you code in Perl, the NYT released a nice Perl profiler: <a href="http://open.blogs.nytimes.com/2008/03/05/the-new-york-times-perl-profiler/" rel="nofollow">http://open.blogs.nytimes.com/2008/03/05/the-new-york-times-...</a>