easy_install pygments

from pygments.lexers import PythonLexver
from pygments.formatters import HtmlFormatter
from pygments import highlight

formatter = HtmlFormatter(encoding='utf-8', style = 'emacs', linenos = True)
code = highlight('print "hello, world"', PythonLexer(), formatter)

print code

'<table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre>1</pre></div></td><td class="code"><div class="highlight"><pre><span class="k">print</span> <span class="s">"hello, world"</span>\n</pre></div>\n</td></tr></table>'

css = formatter.get_style_defs()