def insert(self, doc, synced=False):
        doc.id = self.get_next_id()
        doc.synced = synced
        try:
            self.db.docs.insert(doc)
        except Exception as e:
            raise DatabaseException(e)
        return doc
def write():
	try:
		p = round(weather.pressure(),2)
		c = light.light()
		print('{"light": '+str(c)+', "pressure": '+str(p)+' }')
	except KeyboardInterrupt:
		pass