Re: [Web-SIG] JavaScript libraries

[Donovan Preston]

On May 2, 2005, at 5:47 PM, Peter Hunt wrote: Hello everyone, A long time ago (before the advent of IronPython), I wrote a small Python module that compiled a python file to a JScript.NET file and compiled it. Seeing as JScript and _javascript_ are very similar, I bet this could be very helpful. See http://subway.python-hosting.com/attachment/wiki/Py2Js/pyc.2.py for the code. This is awesome, thank you for posting the link. I had planned on doing something similar to this for a long time, for both _javascript_ and ActionScript (flash bytecode instead of text script). However LivePage is just a hobby for me, so I never found time. I envision a world where we can write something like: <input type="button" /> And it will do a server-side RPC to the onButtonClick() method, which could do something like this: def onButtonClick(ctx):     ctx.document.writeln("Button clicked") ctx would serve as a magical proxy for method calls back to the client. This would allow seamless integration of _javascript_ and Python without even writing a line of JS. What do you think? Yep, this is almost exactly what LivePage looks like. def onButtonClick(client):     client.sendScript("alert('hello world')") class Foo(LivePage):     def render_clickable(self, ctx, _):         return ctx.tag(>     docFactory = loaders.htmlstr('<input type="button" nevow:render="clickable" />') I think I like your proposed syntax, with a "server" object in _javascript_; I'll mess around with adding support for something like it to LivePage. I'm not sure I like the magical proxy server-side interface too much. nevow.livepage.ClientHandle has a nice API which provides convenient methods for mutating the client side dom: set - replace an old node's contents with some new contents append - append a new node as a child of an old one prepend - prepend a new node as the first child of an old one alert - show the user an alert call - call a client side _javascript_ function with some arguments sendScript - send arbitrary _javascript_ for execution Donovan

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