def __init__(self, graph_url='https://plot.ly/~playground/7', **kwargs):
"""Initialize a plotly graph widget
Args:
graph_url: The url of a Plotly graph
Example:
```
GraphWidget('https://plot.ly/~chris/3375')
```
"""
super(GraphWidget, self).__init__(**kwargs)
# TODO: Validate graph_url
self._graph_url = graph_url
self._listener_set = set()
self._event_handlers = {
'click': widgets.CallbackDispatcher(),
'hover': widgets.CallbackDispatcher(),
'zoom': widgets.CallbackDispatcher()
}
self._graphId = ''
self.on_msg(self._handle_msg)
# messages to the iframe client need to wait for the
# iframe to communicate that it is ready
# unfortunately, this two-way blocking communication
# isn't possible
# (https://github.com/ipython/ipython/wiki/IPEP-21:-Widget-Messages#caveats)
# so we'll just cue up messages until they're ready to be sent
self._clientMessages = deque()
def __init__(self, data={}, schema=None, **kwargs):
super(Widget, self).__init__(**kwargs)
# Serialize and deserialize, make sure it's uniform.
data = json.loads(json.dumps(data))
if schema == None:
schema = self.constructSchema(data)
self.dataset = json.dumps({"data": data, "schema": schema})
self.validate = widgets.CallbackDispatcher()
def __init__(self, *pargs, **kwargs):
widgets.DOMWidget.__init__(self, *pargs, **kwargs)
self._handlers = widgets.CallbackDispatcher()
self.on_msg(self._handle_my_msg)