On Fri, Apr 23, 2010 at 5:24 PM, Joel Dietz <[email protected]> wrote:
>
hoi Joel,
> I have mostly finished a test suite which tests various robot related
> functionality and wanted to add in BlindWavelet.
>
> Unfortunately, I have no idea what the intended usage is.
>
> Can someone explain please?
Best is to look at the code itself, i'll paste it here (in waveapi/robot.py):
def blind_wavelet(self, json, proxy_for_id=None):
"""Construct a blind wave from a json string.
Call this method if you have a snapshot of a wave that you
want to operate on outside of an event. Since the wave might
have changed since you last saw it, you should take care to
submit operations that are as safe as possible.
Args:
json: a json object or string containing at least a key
wavelet defining the wavelet and a key blips defining the
blips in the view.
proxy_for_id: the proxying information that will be set on the wavelet's
operation queue.
Returns:
A new wavelet with its own operation queue. It the
responsibility of the caller to make sure this wavelet gets
submited to the server, either by calling robot.submit() or
by calling .submit_with() on the returned wavelet.
"""
return self._wavelet_from_json(json, ops.OperationQueue(proxy_for_id))
Basically it allows you to create a wavelet based on a json string.
You can save this json when the bot enters a wave and then use it to
send responses to it instead of calling fetch_wavelet() which does
have a round-trip penalty (you need to query the server).
Hmm after writing this i remembered i hacked the waveapi to hook the
json as received into the event, so i can save it ..
def process_events(self, json):
"""Process an incoming set of events encoded as json."""
parsed = simplejson.loads(json)
pending_ops = ops.OperationQueue()
event_wavelet = self._wavelet_from_json(parsed, pending_ops)
for event_data in parsed['events']:
for payload in self._handlers.get(event_data['type'], []):
handler, event_class, context, filter = payload
event = event_class(event_data, event_wavelet)
event.json = json
handler(event, event_wavelet)
pending_ops.set_capability_hash(self.capabilities_hash())
return simplejson.dumps(pending_ops.serialize())
Its the event.json = json thing. Maybe i should file a feature request
to include the raw json data into the event.
Bart
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