Source

gadgets / examples / recorder.py

import pymongo
import datetime
from gadgets import Gadgets, Addresses, Gadget


class Recorder(Gadget):
    """
    If one would like to record the goings on of a gadgets system with
    pymongo, start this and record away.

    NOTE:  be sure to configure the Addresses to point to the gadgets system that you wish to record.
    """

    events = ['UPDATE']

    def on_start(self):
        self._client = pymongo.MongoClient()
        self._db = self._client[self._location]

    def event_received(self, event, message):
        sender = message.get('sender', '')
        if 'pump' in sender:
            message['timestamp'] = datetime.datetime.now()
            self._db.updates.insert(message)

    def _register(self):
        pass

if __name__ == '__main__':
    location = 'greenhouse'
    addresses = Addresses(host=location) #configures this gadgets system as a remote, instead of the master
    recorder = Recorder(location, 'recorder', addresses)
    gadgets = Gadgets([recorder], addresses)
    gadgets.start()
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