Glyph Lefkowitz wrote:
On Nov 30, 2009, at 2:10 PM, MārisR wrote:

I'm currently trying to figure out, how to bypass amp value limit of 64kb. First 
tought was to split string into chunks <64kb, then join before processing. 
Problem is, how to dinamicaly generate amp.Command argument list. Maybe there is 
other well known method how to achieve this?


You can define your own Argument which reads multiple values, rather than 
dynamically generating the arguments list.  This is what you want anyway, 
because your application code wants to receive one value; the fact that you are 
splitting/joining at the protocol level should not be important.

There's an example of this implemented here:

http://bazaar.launchpad.net/%7Eglyph/%2Bjunk/amphacks/annotate/head%3A/python/amphacks/mediumbox.py

The reason that this isn't currently included in the core AMP implementation is 
that if you need to transfer values larger than this limit, perhaps you should 
be doing the transfer in some other way. Streaming the result?  Doing the 
transfer out-of-band as (for example) an HTTP request?

I think this might be an unhelpful way to ask people to consider this problem, so we 
may end up packaging something similar in Twisted eventually.  One way to do this 
might be by doing this: <http://twistedmatrix.com/trac/ticket/2529>, another 
might be bundling the contents of mediumbox.py (or something like it) into amp.py.


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mediumbox done the trick with little patching to support utf8, Big thanks, for advises :)

<<attachment: maris.vcf>>

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