try: from cProfile import Profile except ImportError: from profile import Profile from pstats import Stats from jinja2 import Environment as JinjaEnvironment context = { 'page_title': 'mitsuhiko\'s benchmark', 'table': [dict(a=1,b=2,c=3,d=4,e=5,f=6,g=7,h=8,i=9,j=10) for x in range(1000)] } source = """\ % macro testmacro(x) ${x} % endmacro ${page_title|e}

${page_title|e}

% for row in table % for cell in row % endfor % endfor
${testmacro(cell)}
\ """ jinja_template = JinjaEnvironment( line_statement_prefix='%', variable_start_string="${", variable_end_string="}" ).from_string(source) print jinja_template.environment.compile(source, raw=True) p = Profile() p.runcall(lambda: jinja_template.render(context)) stats = Stats(p) stats.sort_stats('time', 'calls') stats.print_stats()