File: //usr/share/doc/python-jinja2-2.7.2/examples/profile.py
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)
<span>${x}</span>
% endmacro
<!doctype html>
<html>
<head>
<title>${page_title|e}</title>
</head>
<body>
<div class="header">
<h1>${page_title|e}</h1>
</div>
<div class="table">
<table>
% for row in table
<tr>
% for cell in row
<td>${testmacro(cell)}</td>
% endfor
</tr>
% endfor
</table>
</div>
</body>
</html>\
"""
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()