Hi,
I have defined the following pyjs class:
class WebSocket:
def __init__(self):
pass
def process_event(self, data):
pass
def connect_websocket(self, group, server="127.0.0.1", port=8888):
# TODO: I redefine web2py_websocket here because I can not access
# the one in the top iframe (I have tried "web2py_websocket" and
"parent.web2py_websocket")
websocket = '''function
web2py_websocket(url,onmessage,onopen,onclose) {
if ("WebSocket" in window) {
var ws = new WebSocket(url);
ws.onopen = onopen?onopen:(function(){});
ws.onmessage = onmessage;
ws.onclose = onclose?onclose:(function(){});
return true; // supported
} else return false; // not supported
}'''
JS(""" eval(@{{websocket}}); """)
myjs = '''
parent.jQuery(document).ready(function(){
var callback=function(e){process_event("self", e)};
if(!web2py_websocket('ws://%s:%s/realtime/%s',callback)) {
alert("html5 websocket not supported by your browser, try
Google Chrome");
}
});''' % (server, port, group)
JS(""" eval(@{{myjs}}); """)
This works as expected:
WebSocket().connect_websocket("mygroup")
It will connect to my tornado server, group "mygroup". And the websocket
messages are also received, as expected.
The problem is that I want to process the websocket messages (which will be
just json data) in the pyjs method "process_event", since I must make
extensive use of my pyjs code when processing. But this is not working:
var callback=function(e){process_event("self", e)};
I get the error message:
"Uncaught ReferenceError: process_event is not defined"
How can I call a pyjs class method from the embedded javascript?
Thanks,
Daniel
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