openmedialibrary/oml/tasks.py

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# -*- coding: utf-8 -*-
# vi:si:et:sw=4:sts=4:ts=4
from __future__ import division
from Queue import Queue
from threading import Thread
from websocket import trigger_event
import logging
logger = logging.getLogger('oml.websocket')
class Tasks(Thread):
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def __init__(self):
self.q = Queue()
self.connected = True
Thread.__init__(self)
self.daemon = True
self.start()
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self.queue('scan')
def run(self):
import item.scan
while self.connected:
m = self.q.get()
if m:
action, data = m
if action == 'ping':
trigger_event('pong', data)
elif action == 'import':
item.scan.run_import(data)
elif action == 'scan':
item.scan.run_scan()
elif action == 'update':
trigger_event('error', {'error': 'not implemented'})
else:
trigger_event('error', {'error': 'unknown action'})
self.q.task_done()
def join(self):
self.connected = False
self.put(None)
self.q.join()
return Thread.join(self)
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def queue(self, action, data=None):
self.q.put((action, data))