Will GPL Java eat into Python marketshare?

[Maurice LING]

Stephen Eilert wrote:

> Maurice LING escreveu:
> 
> 
>>>I once wrote a partial JVM in Modula-3 (strictly a researchware
>>>effort), so I can imagine it being done technically.  But why?
>>>
>>>The big problem with Java-and-Python is not the VMs underneath.  It is
>>>the fact that Java has layers upon layers upon layers of idiosyncratic
>>>libraries and idioms.  When you write bindings to that world (even if
>>>the bindings are generated automagically), you have to *think* in
>>>those same layers.  The Python-oriented developer suddenly has to use
>>>a dozen imports in order to do things already done better in
>>>Pythonesque libraries.
>>>
>>
>>The main use I can see is to be able to incorporate Java applications
>>into Python. For example, I am using Cytoscape (www.cytoscape.org) which
>>is in Java. I do hope that I can control Cytoscape from Python and
>>manipulate its objects from Python.
>>
>>Say given cytoscape.jar, I'll like to be able to do this:
>>
>> >>> from cytoscape javaimport cytoscape
>> >>> c = cytoscape()
>>
>>And the tighest way I see that this can be done is for Python VM to
>>execute Java bytecodes like Python bytecodes. That is, Python VM
>>executes Java bytecodes directly and not through object mapping which I
>>think is that JPyPe is doing.
>>
>>I must say that this is part of even a fluffier dream that one day, I
>>can take any applications and play around with it in Python. Currently,
>>my collaborators wrote in Perl and Java, so it is not easy for me to use
>>their work in my work.
>>
>>ML
> 
> 
> What is wrong with the other way around and Jython?
> 
Nothing wrong with the other way round - JVM executing *Python bytecodes*.

Cytoscape has a plugin with enables one to bring up Jython interpreter 
but it is way too slow - make sure you start to load it up before lunch 
if you want to execute a few lines of codes after lunch.

ML