openmedialibrary/oml/downloads.py

49 lines
1.3 KiB
Python

# -*- coding: utf-8 -*-
# vi:si:et:sw=4:sts=4:ts=4
from __future__ import division
from threading import Thread
import time
import logging
import state
logger = logging.getLogger('oml.downloads')
class Downloads(Thread):
def __init__(self, app):
self._app = app
self._running = True
Thread.__init__(self)
self.daemon = True
self.start()
def download_next(self):
import item.models
for i in item.models.Item.query.filter(
item.models.Item.transferadded!=None).filter(
item.models.Item.transferprogress<1).order_by(item.models.Item.transferadded):
logger.debug('DOWNLOAD %s %s', i, i.users)
for p in i.users:
if state.nodes.check_online(p.id):
r = state.nodes.download(p.id, i)
logger.debug('download ok? %s', r)
return True
return False
def run(self):
time.sleep(2)
with self._app.app_context():
while self._running:
if state.online:
self.download_next()
time.sleep(10)
else:
time.sleep(20)
def join(self):
self._running = False
self._q.put(None)
return Thread.join(self)