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|
"""
This benchmark compares some python templating engines with Jinja 2 so
that we get a picture of how fast Jinja 2 is for a semi real world
template. If a template engine is not installed the test is skipped.
"""
import sys
from timeit import Timer
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)]
}
jinja_template = JinjaEnvironment(
line_statement_prefix='%',
variable_start_string="${",
variable_end_string="}"
).from_string("""\
<!doctype html>
<html>
<head>
<title>${page_title|e}</title>
</head>
<body>
<div class="header">
<h1>${page_title|e}</h1>
</div>
<ul class="navigation">
% for href, caption in [
('index.html', 'Index'),
('downloads.html', 'Downloads'),
('products.html', 'Products')
]
<li><a href="${href|e}">${caption|e}</a></li>
% endfor
</ul>
<div class="table">
<table>
% for row in table
<tr>
% for cell in row
<td>${cell}</td>
% endfor
</tr>
% endfor
</table>
</div>
</body>
</html>\
""")
def test_jinja():
jinja_template.render(context)
try:
from django.conf import settings
settings.configure()
from django.template import Template as DjangoTemplate, Context as DjangoContext
except ImportError:
test_django = None
else:
django_template = DjangoTemplate("""\
<!doctype html>
<html>
<head>
<title>{{ page_title }}</title>
</head>
<body>
<div class="header">
<h1>{{ page_title }}</h1>
</div>
<ul class="navigation">
{% for href, caption in navigation %}
<li><a href="{{ href }}">{{ caption }}</a></li>
{% endfor %}
</ul>
<div class="table">
<table>
{% for row in table %}
<tr>
{% for cell in row %}
<td>{{ cell }}</td>
{% endfor %}
</tr>
{% endfor %}
</table>
</div>
</body>
</html>\
""")
def test_django():
c = DjangoContext(context)
c['navigation'] = [('index.html', 'Index'), ('downloads.html', 'Downloads'),
('products.html', 'Products')]
django_template.render(c)
try:
from mako.template import Template as MakoTemplate
except ImportError:
test_mako = None
else:
mako_template = MakoTemplate("""\
<!doctype html>
<html>
<head>
<title>${page_title|h}</title>
</head>
<body>
<div class="header">
<h1>${page_title|h}</h1>
</div>
<ul class="navigation">
% for href, caption in [('index.html', 'Index'), ('downloads.html', 'Downloads'), ('products.html', 'Products')]:
<li><a href="${href|h}">${caption|h}</a></li>
% endfor
</ul>
<div class="table">
<table>
% for row in table:
<tr>
% for cell in row:
<td>${cell}</td>
% endfor
</tr>
% endfor
</table>
</div>
</body>
</html>\
""")
def test_mako():
mako_template.render(**context)
try:
from genshi.template import MarkupTemplate as GenshiTemplate
except ImportError:
test_genshi = None
else:
genshi_template = GenshiTemplate("""\
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:py="http://genshi.edgewall.org/">
<head>
<title>${page_title}</title>
</head>
<body>
<div class="header">
<h1>${page_title}</h1>
</div>
<ul class="navigation">
<li py:for="href, caption in [
('index.html', 'Index'),
('downloads.html', 'Downloads'),
('products.html', 'Products')]"><a href="${href}">${caption}</a></li>
</ul>
<div class="table">
<table>
<tr py:for="row in table">
<td py:for="cell in row">${cell}</td>
</tr>
</table>
</div>
</body>
</html>\
""")
def test_genshi():
genshi_template.generate(**context).render('html', strip_whitespace=False)
try:
from Cheetah.Template import Template as CheetahTemplate
except ImportError:
test_cheetah = None
else:
cheetah_template = CheetahTemplate("""\
#import cgi
<!doctype html>
<html>
<head>
<title>$cgi.escape($page_title)</title>
</head>
<body>
<div class="header">
<h1>$cgi.escape($page_title)</h1>
</div>
<ul class="navigation">
#for $href, $caption in [('index.html', 'Index'), ('downloads.html', 'Downloads'), ('products.html', 'Products')]:
<li><a href="$cgi.escape($href)">$cgi.escape($caption)</a></li>
#end for
</ul>
<div class="table">
<table>
#for $row in $table:
<tr>
#for $cell in $row:
<td>$cell</td>
#end for
</tr>
#end for
</table>
</div>
</body>
</html>\
""", searchList=[dict(context)])
def test_cheetah():
unicode(cheetah_template)
try:
import tenjin
except ImportError:
test_tenjin = None
else:
tenjin_template = tenjin.Template()
tenjin_template.convert("""\
<!doctype html>
<html>
<head>
<title>${page_title}</title>
</head>
<body>
<div class="header">
<h1>${page_title}</h1>
</div>
<ul class="navigation">
<?py for href, caption in [('index.html', 'Index'), ('downloads.html', 'Downloads'), ('products.html', 'Products')]: ?>
<li><a href="${href}">${caption}</a></li>
<?py #end ?>
</ul>
<div class="table">
<table>
<?py for row in table: ?>
<tr>
<?py for cell in row: ?>
<td>#{cell}</td>
<?py #end ?>
</tr>
<?py #end ?>
</table>
</div>
</body>
</html>\
""")
def test_tenjin():
from tenjin.helpers import escape, to_str
tenjin_template.render(context, locals())
sys.stdout.write('\r' + '\n'.join((
'=' * 80,
'Template Engine BigTable Benchmark'.center(80),
'-' * 80,
__doc__,
'-' * 80
)) + '\n')
for test in 'jinja', 'tenjin', 'mako', 'django', 'genshi', 'cheetah':
if locals()['test_' + test] is None:
sys.stdout.write(' %-20s*not installed*\n' % test)
continue
t = Timer(setup='from __main__ import test_%s as bench' % test,
stmt='bench()')
sys.stdout.write('> %-20s<running>' % test)
sys.stdout.flush()
sys.stdout.write('\r %-20s%.4f ms\n' % (test, t.timeit(number=20) / 20))
sys.stdout.write('=' * 80 + '\n')
|
