1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
|
""" Copyright (c) 2004 Colin Stewart (http://www.owlfish.com/)
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. The name of the author may not be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
If you make any bug fixes or feature enhancements please let me know!
Performance test cases.
"""
from simpletal import simpleTAL, simpleTALES, simpleTALUtils
import time, StringIO, cStringIO, sys
performanceTemplate = """<html>
<head>
<title></title>
<meta http-equiv="content-type"
content="text/html; charset=ISO-8859-1"/>
<meta name="author" content="Colin Stewart"/>
</head>
<body>
<h1>Performance Template</h1>
Some text, with some <b>tags <i>that</i> are</b> adding to the parsing load.<br/>
<h2 tal:content="title">This title is dynamic</h2>
Here's a table as well - lots of tags in there:<br/>
<table cellpadding="2" cellspacing="2" border="1" width="100%">
<tbody>
<tr>
<td valign="top">Simple<br/>
</td>
<td valign="top">Sample<br/>
</td>
<td valign="top">Real Results<br/>
</td>
<td valign="top">Expected Results<br/>
</td>
</tr>
<tr>
<td valign="top">Template parsed each time around the loop<br/>
</td>
<td valign="top">100<br/>
</td>
<td valign="top">Slow, SGMLParser takes a while<br/>
</td>
<td valign="top">Slow<br/>
</td>
</tr>
<tr>
<td valign="top">Template parsed once, then used multiple times<br/>
</td>
<td valign="top">100<br/>
</td>
<td valign="top">Fast!<br/>
</td>
<td valign="top">Hopefully faster than parsing each time<br/>
</td>
</tr>
<tr>
<td valign="top">XML Version<br/>
</td>
<td valign="top">100<br/>
</td>
<td valign="top">Faster than SGML<br/>
</td>
<td valign="top">Still too slow<br/>
</td>
</tr>
<tr>
<td valign="top">XML Version of TALTemplates<br/>
</td>
<td valign="top">100<br/>
</td>
<td valign="top">As fast as SGML<br/>
</td>
<td valign="top">We can hope.<br/>
</td>
</tr>
</tbody>
</table>
Here's a list of thing:<br/>
<ul tal:repeat="things myList">
<li tal:content="things">An item</li>
</ul>
That should do...<br/>
<br/>
</body>
</html>
"""
context = simpleTALES.Context()
context.addGlobal ("title", "Performance testing!")
context.addGlobal ("myList", ["One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight"])
def NGTemplates (count):
tempFile = StringIO.StringIO (performanceTemplate)
compiler = simpleTAL.XMLTemplateCompiler()
compiler.parseTemplate (tempFile)
template = compiler.getTemplate()
file = simpleTALUtils.FastStringOutput()
start = time.clock()
for attempt in xrange (count):
template.expand (context, file)
end = time.clock()
#print "Resuling file: " + file.getvalue()
return (end - start)
def NGTemplateOverhead (count):
file = simpleTALUtils.FastStringOutput()
start = time.clock()
for attempt in xrange (count):
tempFile = StringIO.StringIO (performanceTemplate)
compiler = simpleTAL.XMLTemplateCompiler()
compiler.parseTemplate (tempFile)
template = compiler.getTemplate()
template.expand (context, file)
end = time.clock()
#print "Resuling file: " + file.getvalue()
return (end - start)
print "Timing TAL templates"
result = NGTemplates (10000)
print "Result: " + str(result) + " for 10000 template expansions"
print "Timing TAL templates (with template parsing)"
result = NGTemplateOverhead (1000)
print "Result: " + str(result) + " for 1000 template expansions"
|
