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[pluralsight] Clarify and randomize ViewClip sleep interval

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This commit is contained in:
Sergey M․ 2015-11-22 00:07:09 +06:00
parent bea56c9569
commit 38eb2968ab
1 changed files with 12 additions and 3 deletions
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15
youtube_dl/extractor/pluralsight.py
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@ -1,6 +1,7 @@
from __future__ import unicode_literals
import json
import random
from .common import InfoExtractor
from ..compat import (
@ -156,9 +157,17 @@ def _real_extract(self, url):
format_id = '%s-%s' % (ext, quality)
clip_url = self._download_webpage(
request, display_id, 'Downloading %s URL' % format_id, fatal=False)
# #6989: sleep 3 seconds to avoid 429 errors.
# should help with #6842.
self._sleep(3, display_id)
# Pluralsight tracks multiple sequential calls to ViewClip API and start
# to return 429 HTTP errors after some time (see
# https://github.com/rg3/youtube-dl/pull/6989). Moreover it may even lead
# to account ban (see https://github.com/rg3/youtube-dl/issues/6842).
# To somewhat reduce the probability of these consequences
# we will sleep random amount of time before each call to ViewClip.
self._sleep(
random.randint(2, 5), display_id,
'%(video_id)s: Waiting for %(timeout)s seconds to avoid throttling')
if not clip_url:
continue
f.update({