I'm trying to use pyjamas (http://pyjs.org/). My input file, named hi.py, looks like this:
from pyjamas import Window
from pyjamas.ui import RootPanel, Button
from pyjamas.ui import HTML
def greet(sender):
Window.alert("Hello!")
b = Button("Click me", greet)
RootPanel().add(b)
I run the following command:
python ~/pyjs-pyjs-07f54ad/bin/pyjsbuild hi.py
Building : hi
PYJSPATH : [
/Users/michaelnatkin/HelloPyjs
/Users/michaelnatkin/pyjs-pyjs-07f54ad/library
/Users/michaelnatkin/pyjs-pyjs-07f54ad/addons
]
Built to : /Users/michaelnatkin/HelloPyjs/output
Which appears to run without errors, and here is my resulting directory:
Michael-Natkins-MacBook-Pro-2:HelloPyjs michaelnatkin$ ls .
hi.js hi.py output
Michael-Natkins-MacBook-Pro-2:HelloPyjs michaelnatkin$ ls output
__init__.py gchart.gif hi.safari.cache.html
_pyjs.js hi.html history.html
bootstrap.js hi.ie6.cache.html tree_closed.gif
bootstrap_progress.js hi.mozilla.cache.html tree_open.gif
disclosurePanelClosed.png hi.nocache.html tree_white.gif
disclosurePanelClosed_rtl.png hi.oldmoz.cache.html
disclosurePanelOpen.png hi.opera.cache.html
I then direct my browser to one of the html files: file:///Users/michaelnatkin/HelloPyjs/output/hi.html
and I get... a blank page. The only error in my js console is:
Uncaught SecurityError: Blocked a frame with origin "null" from accessing a frame with origin "null". Protocols, domains, and ports must match.
which I guess isn't too surprising since the html file says:
<html>
<!-- auto-generated html - You should consider editing and adapting this
to suit your requirements. No doctype used here to force quirks mode; see
wiki for details: http://pyjs.org/wiki/csshellandhowtodealwithit/
-->
<head>
<title>hi (Pyjamas Auto-Generated HTML file)</title>
<meta name="pygwt:module" content="hi">
</head>
<body style="background-color:white">
<script type="text/javascript" src="bootstrap.js"></script>
<iframe id="__pygwt_historyFrame" style="display:none;"></iframe>
<script type="text/javascript" src="bootstrap.js"></script>
<iframe id="__pygwt_historyFrame" style="display:none;"></iframe>
</body>
</html>
So.. I'm completely stuck. Can someone tell me how to get this bad boy to produce output? I've got a much more complicated app I want to create, but if I can't say "Hello" it isn't going to go well. Thank you!
Have you tried it in Firefox too? While nothing is displayed with Chrome, with Firefox I get an error message which comes from the way you import RootPanel and Button. You should replace your single line by:
After that your button greets me properly.
And regarding the Chrome issue, either launch it with --allow-file-access-from-files or run a local web server to display your page. More details there: https://github.com/pyjs/pyjs/wiki/googlechromeproblems