59 lines
1.7 KiB
Python
59 lines
1.7 KiB
Python
# coding: utf-8
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from __future__ import unicode_literals
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import threading
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import traceback
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from .utils import (
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compat_str,
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encode_compat_str,
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sanitized_Request
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)
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class Heartbeat(object):
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def __init__(self, ydl, params):
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self.ydl = ydl
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data = params.get('data')
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if isinstance(data, compat_str):
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data = data.encode()
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# Python 2 does not allow us to set HTTP method
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# it is POST if Request has data, otherwise GET
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self.request = sanitized_Request(
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params.get('url'),
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data=data,
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headers=params.get('headers', {})
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)
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self.interval = params.get('interval', 30)
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self.cancelled = False
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self.parent_thread = threading.current_thread()
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self.thread = threading.Thread(target=self.__heartbeat)
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def start(self):
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self.ydl.to_screen('[heartbeat] Heartbeat every %s seconds' % self.interval)
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self.thread.start()
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def cancel(self):
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self.cancelled = True
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def check_download_status(self, progress):
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status = progress.get('status')
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if status == 'finished' or status == 'error':
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self.cancel()
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def __heartbeat(self):
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while not self.cancelled:
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try:
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if self.ydl.params.get('verbose'):
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self.ydl.to_screen('[heartbeat]')
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self.ydl.urlopen(self.request)
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except Exception:
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self.ydl.report_warning("Heartbeat failed")
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if self.ydl.params.get('verbose'):
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self.ydl.to_stderr(encode_compat_str(traceback.format_exc()))
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self.parent_thread.join(self.interval)
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if not self.parent_thread.is_alive():
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break
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