I found the quote in the online pyjs "book" and I see it refers to the pyjs 
compiler tool chain itself, not the generated programs:

In 2006, GWT was ported to python, by James Tauber, in a successful 
> experiment called Pyjamas. The 80,000 or so lines of source code that made 
> up GWT 1.2 were dramatically reduced to only 8,000, for Pyjamas.
>

But I did see some encouraging talk about a "dynamic link" option that 
turns your single pyjs application into a series of relatively independent 
objects and allows caching for each one independently, which could have an 
impact on reload times (depending on your browser cache settings).

-- Joe B.

On Sunday, October 28, 2012 2:30:39 AM UTC-7, Carl wrote:
>
> I've not read that claim while using Pyjamas. Do you have a reference to 
> make your money back claim :)
>
> On 28 Oct 2012, at 09:21, Joe  Barnhart <joe.ba...@gmail.com <javascript:>> 
> wrote:
>
> Hi Carl --
>
> That is surprising.  I don't know much about pyjs or GWT for that matter, 
> but from what I had read the underlying Python language was so close in 
> philosophy to Javascript that its "adapter" code was an order of magnitude 
> smaller than for Java, which has rather large issues of compatibility with 
> Javascript.  One of the core advantages of pyjs was that it was way smaller 
> than GWT for a given app -- or so the advertisement went!  Looks like I'll 
> have to ask for my money back!
>
> -- Joe B.
>
>
> On Saturday, October 27, 2012 2:04:11 AM UTC-7, Carl wrote:
>>
>> thanks for taking the time to reply Joe. 
>>
>> I've written quite a lot of code using Pyjamas and really enjoyed it. 
>> But the application size grows quickly making support of mobile 
>> platforms impractical. I switched to GWT (and GWTP) to reduce my 
>> application size. GWT delivers so many advantages that they offset the 
>> pain of writing in Java :) I have Web2py and GWT communicating over 
>> JSON and use GWT Overlays to receive the data on the client side. 
>>
>> Of those written Python server code and GWT client apps, none I've 
>> come across, are using Web2py. This post was an attempt to track one 
>> down. 
>>
>>
>>
>> On 27 October 2012 08:59, Joe  Barnhart <joe.ba...@gmail.com> wrote: 
>> > Well, there is the Python equivalent to GWT called Pyjamas (now renamed 
>> > pyjs).  It has been used with web2py successfully.  There's even a "how 
>> to" 
>> > document in the old FAQ section of the web2py.com site (also 
>> referenced on 
>> > the pyjs site). 
>> > 
>> > The essential problem with using GWT is that *most* GWT apps use 
>> Google's 
>> > homemade RPC to communicate between the browser and the server.  That 
>> RPC is 
>> > not supported on web2py.  You could still use XMLRPC or JSONRPC but you 
>> have 
>> > to make that choice explicitly in your GWT app.  (I'm no GWT expert so 
>> this 
>> > is about as deep as I go.) 
>> > 
>> > Joe B. 
>> > 
>> > 
>> > 
>> > On Friday, October 26, 2012 3:06:38 AM UTC-7, Carl wrote: 
>> >> 
>> >> Is anyone using GWT to build clients to work with Web2py server apps? 
>> >> 
>> >> I'm copying my GWT WAR directory into my Web2y's server's STATIC 
>> directory 
>> >> but what's the best way to manage GWT's CSS file? 
>> > 
>> > -- 
>> > 
>> > 
>> > 
>>
>  -- 
>  
>  
>  
>
>

-- 



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