I followed the video of Mr Bruno Rocha to implement simple websocket, the
controller is very simple:
@auth.requires_login()
def index():
form = SQLFORM(Post, formstyle='divs')
if form.process().accepted:
websocket_send('http://127.0.0.1:8888', 'hello', 'mykey', 'mygroup')
pass
messages = db(Post).select(orderby=~Post.created_on)
return dict(form=form, messages=messages)
and in the view:
<script>
$(document).ready(function(){
if(!$.web2py.web2py_websocket('ws://127.0.0.1:8888/realtime/mygroup',
function(e){alert(e.data)}))
alert("html5 websocket not supported by your browser, try Google
Chrome");
});
</script>
but when i open the view the server prints exceptions showed in the
error_log file.
Any Help Please??
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C:\web2py_src>python gluon/contrib/websocket_messaging.py -k mykey -p 8888
ERROR:tornado.application:Uncaught exception in /realtime/mygroup
Traceback (most recent call last):
File
"C:\Users\alidm\AppData\Local\Programs\Python\Python36-32\lib\site-packages\tornado\websocket.py",
line 322, in wrapper
return callback(*args, **kwargs)
File "gluon/contrib/websocket_messaging.py", line 156, in open
group, token, name = params.split('/') + [None, None]
TypeError: a bytes-like object is required, not 'str'
ERROR:tornado.application:Uncaught exception, closing connection.
Traceback (most recent call last):
File
"C:\Users\alidm\AppData\Local\Programs\Python\Python36-32\lib\site-packages\tornado\iostream.py",
line 354, in wrapper
callback(*args)
File
"C:\Users\alidm\AppData\Local\Programs\Python\Python36-32\lib\site-packages\tornado\stack_context.py",
line 331, in wrapped
raise_exc_info(exc)
File "<string>", line 3, in raise_exc_info
File
"C:\Users\alidm\AppData\Local\Programs\Python\Python36-32\lib\site-packages\tornado\stack_context.py",
line 302, in wrapped
ret = fn(*args, **kwargs)
File
"C:\Users\alidm\AppData\Local\Programs\Python\Python36-32\lib\site-packages\tornado\httpserver.py",
line 218, in _on_connection_close
callback()
File
"C:\Users\alidm\AppData\Local\Programs\Python\Python36-32\lib\site-packages\tornado\stack_context.py",
line 331, in wrapped
raise_exc_info(exc)
File "<string>", line 3, in raise_exc_info
File
"C:\Users\alidm\AppData\Local\Programs\Python\Python36-32\lib\site-packages\tornado\stack_context.py",
line 302, in wrapped
ret = fn(*args, **kwargs)
File
"C:\Users\alidm\AppData\Local\Programs\Python\Python36-32\lib\site-packages\tornado\websocket.py",
line 293, in on_connection_close
self.on_close()
File "gluon/contrib/websocket_messaging.py", line 179, in on_close
if self.group in listeners:
AttributeError: 'DistributeHandler' object has no attribute 'group'
ERROR:tornado.application:Exception in callback functools.partial(<function
wrap.<locals>.wrapped at 0x038A2E88>)
Traceback (most recent call last):
File
"C:\Users\alidm\AppData\Local\Programs\Python\Python36-32\lib\site-packages\tornado\ioloop.py",
line 477, in _run_callback
callback()
File
"C:\Users\alidm\AppData\Local\Programs\Python\Python36-32\lib\site-packages\tornado\stack_context.py",
line 331, in wrapped
raise_exc_info(exc)
File "<string>", line 3, in raise_exc_info
File
"C:\Users\alidm\AppData\Local\Programs\Python\Python36-32\lib\site-packages\tornado\stack_context.py",
line 302, in wrapped
ret = fn(*args, **kwargs)
File
"C:\Users\alidm\AppData\Local\Programs\Python\Python36-32\lib\site-packages\tornado\iostream.py",
line 354, in wrapper
callback(*args)
File
"C:\Users\alidm\AppData\Local\Programs\Python\Python36-32\lib\site-packages\tornado\stack_context.py",
line 331, in wrapped
raise_exc_info(exc)
File "<string>", line 3, in raise_exc_info
File
"C:\Users\alidm\AppData\Local\Programs\Python\Python36-32\lib\site-packages\tornado\stack_context.py",
line 302, in wrapped
ret = fn(*args, **kwargs)
File
"C:\Users\alidm\AppData\Local\Programs\Python\Python36-32\lib\site-packages\tornado\httpserver.py",
line 218, in _on_connection_close
callback()
File
"C:\Users\alidm\AppData\Local\Programs\Python\Python36-32\lib\site-packages\tornado\stack_context.py",
line 331, in wrapped
raise_exc_info(exc)
File "<string>", line 3, in raise_exc_info
File
"C:\Users\alidm\AppData\Local\Programs\Python\Python36-32\lib\site-packages\tornado\stack_context.py",
line 302, in wrapped
ret = fn(*args, **kwargs)
File
"C:\Users\alidm\AppData\Local\Programs\Python\Python36-32\lib\site-packages\tornado\websocket.py",
line 293, in on_connection_close
self.on_close()
File "gluon/contrib/websocket_messaging.py", line 179, in on_close
if self.group in listeners:
AttributeError: 'DistributeHandler' object has no attribute 'group'
