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# -*- coding: utf-8 -*-
# Part of Odoo. See LICENSE file for full copyright and licensing details.
import json
from threading import Event
import time
from odoo.http import request
class EventManager(object):
def __init__(self):
self.events = []
self.sessions = {}
def _delete_expired_sessions(self, max_time=70):
'''
Clears sessions that are no longer called.
:param max_time: time a session can stay unused before being deleted
'''
now = time.time()
expired_sessions = [
session
for session in self.sessions
if now - self.sessions[session]['time_request'] > max_time
]
for session in expired_sessions:
del self.sessions[session]
def add_request(self, listener):
self.session = {
'session_id': listener['session_id'],
'devices': listener['devices'],
'event': Event(),
'result': {},
'time_request': time.time(),
}
self._delete_expired_sessions()
self.sessions[listener['session_id']] = self.session
return self.sessions[listener['session_id']]
def device_changed(self, device):
event = {
**device.data,
'device_identifier': device.device_identifier,
'time': time.time(),
'request_data': json.loads(request.params['data']) if request and 'data' in request.params else None,
}
self.events.append(event)
for session in self.sessions:
if device.device_identifier in self.sessions[session]['devices'] and not self.sessions[session]['event'].isSet():
self.sessions[session]['result'] = event
self.sessions[session]['event'].set()
event_manager = EventManager()
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