Addressed issue #75: "Rudimentary benchmarking"

Usage:

tests/benchmark.py 10000

tests/benchmark.py

+#!/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"),
+]
+
+
+def make_test_function(example):
+
+    template, context, expected = example
+
+    def test():
+        actual = pystache.render(template, context)
+        if actual != expected:
+            raise Exception("Benchmark mismatch")
+
+    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)
+