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Re: [Jython-users] Advanced Jython embedding: don't
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From: Ype K. <yk...@xs...> - 2001-02-11 11:23:25
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Jaroslav,
>...
>It works but it is significantly slow, probably because an template is
>parsed every time the renderFace() method is called. I am looking for
>more efficient solution, but Jython's documentation is very spare
>about this.
>
...
>***template.py***
>out.write("""
><html>
><head>
><title>Test</title>
></head>
><body>
><h1>Test</h1>
>""")
>out.write("<p>name is {" + foo.name + " }\n")
>out.write("""
></body>
></html>
>""")
>***end sources***
Don't embed.
Try using the % operator for strings:
"<p>name is {%s }\n")" % foo.name
Evt. built the left hand operator dynamically. In case you need
multiple substitutions use the % operator as:
"Some text for %s, another text for %s, enfin." % ("flying the circus" , "monty")
You can also built the right hand side dynamically.
Alternative:
In case you only need to concatenate strings, and some
of these vary, put them all in a list, manipulate
the list as necessary and then use join:
yourListOfStrings[indexOfVaryingString] = newVaryingString
theWholeText = ''.join(yourListOfStrings)
You might preconcatenate fixed strings as much as possible
within this list.
Speed improvement should be dramatic either way.
Have fun,
Ype
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