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#!/usr/bin/env python
# coding: utf-8
"""
A rudimentary backward- and forward-compatible script to benchmark pystache.
Usage:
tests/benchmark.py 10000
"""
import sys
from timeit import Timer
import pystache
# TODO: make the example realistic.
examples = [
# Test case: 1
("""{{#person}}Hi {{name}}{{/person}}""",
{"person": {"name": "Jon"}},
"Hi Jon"),
# Test case: 2
("""\
<div class="comments">
<h3>{{header}}</h3>
<ul>
{{#comments}}<li class="comment">
<h5>{{name}}</h5><p>{{body}}</p>
</li>{{/comments}}
</ul>
</div>""",
{'header': "My Post Comments",
'comments': [
{'name': "Joe", 'body': "Thanks for this post!"},
{'name': "Sam", 'body': "Thanks for this post!"},
{'name': "Heather", 'body': "Thanks for this post!"},
{'name': "Kathy", 'body': "Thanks for this post!"},
{'name': "George", 'body': "Thanks for this post!"}]},
"""\
<div class="comments">
<h3>My Post Comments</h3>
<ul>
<li class="comment">
<h5>Joe</h5><p>Thanks for this post!</p>
</li><li class="comment">
<h5>Sam</h5><p>Thanks for this post!</p>
</li><li class="comment">
<h5>Heather</h5><p>Thanks for this post!</p>
</li><li class="comment">
<h5>Kathy</h5><p>Thanks for this post!</p>
</li><li class="comment">
<h5>George</h5><p>Thanks for this post!</p>
</li>
</ul>
</div>"""),
]
def make_test_function(example):
template, context, expected = example
def test():
actual = pystache.render(template, context)
if actual != expected:
raise Exception("Benchmark mismatch: \n%s\n*** != ***\n%s" % (expected, actual))
return test
def main(sys_argv):
args = sys_argv[1:]
count = int(args[0])
print "Benchmarking: %sx" % count
print
for example in examples:
test = make_test_function(example)
t = Timer(test,)
print min(t.repeat(repeat=3, number=count))
print "Done"
if __name__ == '__main__':
main(sys.argv)
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