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| Code Listing by Ferdinand Jamitzky |
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This recipe shows how to insert java code into a jython program. The java code is automatically compiled and the resulting class is imported and returned. Compilation only occurs after a change of the java source.
These java classes implement a jython taglib which can be used to embed jython code into jsp pages. It consists of two tags:
<jython:exec> ...some code...
and
<jython:get var=.../>
With these two tags you can write...
Using the pickle module under jython is a rather slow method for storing data. Using the ObjectOutputStream speeds it up. You can save and restore objects (jython and java) with these functions.
Ruby offers very nice language constructs for loops or for iterating over lists like the following: 5.times { print "Hello World" }. This recipe shows a hack how to implement these features in python.
Sometimes one needs a quick and dirty solution for parsing and generating xml. This recipe uses only the python parser itself for the parsing of xml. xml code is translated to valid python code and then evaluated. The generated objects can then be...
ImageJ (http://rsb.info.nih.gov/ij/) is a very good image processing program which can be extended using plugins. It is also possible to write ImageJ plugins in jython and generate a class file. This plugin implements an image inverter. |
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