Re: [Jython-users] how do I serialize a lambda function over the wire?

[Guillermo G. <gui...@gm...>]

Cull, Tim BGI SF wrote:

>> Hello,
>> 
 [snip]

Hi, 

>>
>> The problem I have is that the lambda function is basically not
>> serializable.  Does anyone have ideas about how to get around this?
>> Alternatively, I'd be even happier if I could extract the text of the
>> lambda function instead and send the text across the wire as a
>> string--I haven't figured out how to do that yet, either.
>> 
>> 

Here is my suggestion, instead of send a lambda you can send a callable
(i.e: function) and serialize using pickle (see:
http://docs.python.org/lib/module-pickle.html). i.e: 

import pickle

def my_anonymous_function(x):
    return x.getQuantity()

filter = JythonFilter()
filter.setFunction(pickle.dumps(my_anonymous_function)) 
#Note: pickle.dumps() return a string

meantime... in the other side...

#I supouse something like this happen 
my_anonymous_function = pickle.loads(your_instance.getFunction()) 
my_anonymous_function(x)


-- 
Guillermo Gonzalez
JID: ggonzalez -AT- jabber -DOT- org
Linux User #385261