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55 lines
1.8 KiB
Python
55 lines
1.8 KiB
Python
# coding: utf-8
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from __future__ import unicode_literals
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import threading
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from .common import FileDownloader
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from ..downloader import _get_real_downloader
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from ..extractor.niconico import NiconicoIE
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from ..compat import compat_urllib_request
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class NiconicoDmcFD(FileDownloader):
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""" Downloading niconico douga from DMC with heartbeat """
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FD_NAME = 'niconico_dmc'
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def real_download(self, filename, info_dict):
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self.to_screen('[%s] Downloading from DMC' % self.FD_NAME)
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ie = NiconicoIE(self.ydl)
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info_dict, heartbeat_info_dict = ie._get_heartbeat_info(info_dict)
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fd = _get_real_downloader(info_dict, params=self.params)(self.ydl, self.params)
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success = download_complete = False
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timer = [None]
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heartbeat_lock = threading.Lock()
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heartbeat_url = heartbeat_info_dict['url']
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heartbeat_data = heartbeat_info_dict['data']
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heartbeat_interval = heartbeat_info_dict.get('interval', 30)
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self.to_screen('[%s] Heartbeat with %s second interval...' % (self.FD_NAME, heartbeat_interval))
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def heartbeat():
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try:
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compat_urllib_request.urlopen(url=heartbeat_url, data=heartbeat_data.encode())
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except Exception:
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self.to_screen('[%s] Heartbeat failed' % self.FD_NAME)
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with heartbeat_lock:
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if not download_complete:
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timer[0] = threading.Timer(heartbeat_interval, heartbeat)
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timer[0].start()
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try:
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heartbeat()
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success = fd.real_download(filename, info_dict)
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finally:
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if heartbeat_lock:
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with heartbeat_lock:
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timer[0].cancel()
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download_complete = True
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return success
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