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Dir : ~/usr/share/doc/python3-jinja2/examples/rwbench/
View File Name : rwbench.py

# -*- coding: utf-8 -*-
"""
    RealWorldish Benchmark
    ~~~~~~~~~~~~~~~~~~~~~~

    A more real-world benchmark of Jinja2.  Like the other benchmark in the
    Jinja2 repository this has no real-world usefulnes (despite the name).
    Just go away and ignore it.  NOW!

    :copyright: (c) 2009 by the Jinja Team.
    :license: BSD.
"""
import sys
from os.path import join, dirname, abspath
try:
    from cProfile import Profile
except ImportError:
    from profile import Profile
from pstats import Stats
ROOT = abspath(dirname(__file__))

from random import choice, randrange
from datetime import datetime
from timeit import Timer
from jinja2 import Environment, FileSystemLoader
from jinja2.utils import generate_lorem_ipsum
from mako.lookup import TemplateLookup
from genshi.template import TemplateLoader as GenshiTemplateLoader


def dateformat(x):
    return x.strftime('%Y-%m-%d')


jinja_env = Environment(loader=FileSystemLoader(join(ROOT, 'jinja')))
jinja_env.filters['dateformat'] = dateformat
mako_lookup = TemplateLookup(directories=[join(ROOT, 'mako')])
genshi_loader = GenshiTemplateLoader([join(ROOT, 'genshi')])

class Article(object):

    def __init__(self, id):
        self.id = id
        self.href = '/article/%d' % self.id
        self.title = generate_lorem_ipsum(1, False, 5, 10)
        self.user = choice(users)
        self.body = generate_lorem_ipsum()
        self.pub_date = datetime.utcfromtimestamp(randrange(10 ** 9, 2 * 10 ** 9))
        self.published = True


class User(object):

    def __init__(self, username):
        self.href = '/user/%s' % username
        self.username = username


users = map(User, [u'John Doe', u'Jane Doe', u'Peter Somewhat'])
articles = map(Article, range(20))
navigation = [
    ('index',           'Index'),
    ('about',           'About'),
    ('foo?bar=1',       'Foo with Bar'),
    ('foo?bar=2&s=x',   'Foo with X'),
    ('blah',            'Blub Blah'),
    ('hehe',            'Haha'),
] * 5

context = dict(users=users, articles=articles, page_navigation=navigation)


jinja_template = jinja_env.get_template('index.html')
mako_template = mako_lookup.get_template('index.html')
genshi_template = genshi_loader.load('index.html')


def test_jinja():
    jinja_template.render(context)

def test_mako():
    mako_template.render_unicode(**context)


from djangoext import django_loader, DjangoContext
def test_django():
    # not cached because django is not thread safe and does
    # not cache by itself so it would be unfair to cache it here.
    django_template = django_loader.get_template('index.html')
    django_template.render(DjangoContext(context))


def test_genshi():
    genshi_template.generate(**context).render('html', doctype='html')


if __name__ == '__main__':
    sys.stdout.write('Realworldish Benchmark:\n')
    for test in 'jinja', 'mako', 'django', 'genshi':
        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 seconds\n' % (test, t.timeit(number=200) / 200))

    if '-p' in sys.argv:
        print 'Jinja profile'
        p = Profile()
        p.runcall(test_jinja)
        stats = Stats(p)
        stats.sort_stats('time', 'calls')
        stats.print_stats()