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[pluralsight] Add support for widescreen videos (Closes #7766)
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@ -1,5 +1,6 @@
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from __future__ import unicode_literals
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import re
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import json
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import random
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import collections
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@ -14,6 +15,7 @@
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ExtractorError,
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int_or_none,
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parse_duration,
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qualities,
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sanitized_Request,
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)
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@ -140,15 +142,28 @@ def _real_extract(self, url):
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'low': {'width': 640, 'height': 480},
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'medium': {'width': 848, 'height': 640},
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'high': {'width': 1024, 'height': 768},
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'high-widescreen': {'width': 1280, 'height': 720},
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}
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QUALITIES_PREFERENCE = ('low', 'medium', 'high', 'high-widescreen',)
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quality_key = qualities(QUALITIES_PREFERENCE)
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AllowedQuality = collections.namedtuple('AllowedQuality', ['ext', 'qualities'])
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ALLOWED_QUALITIES = (
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AllowedQuality('webm', ('high',)),
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AllowedQuality('mp4', ('low', 'medium', 'high',)),
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AllowedQuality('webm', ['high', ]),
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AllowedQuality('mp4', ['low', 'medium', 'high', ]),
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)
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# Some courses also offer widescreen resolution for high quality (see
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# https://github.com/rg3/youtube-dl/issues/7766)
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widescreen = True if re.search(
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r'courseSupportsWidescreenVideoFormats\s*:\s*true', webpage) else False
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best_quality = 'high-widescreen' if widescreen else 'high'
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if widescreen:
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for allowed_quality in ALLOWED_QUALITIES:
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allowed_quality.qualities.append(best_quality)
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# In order to minimize the number of calls to ViewClip API and reduce
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# the probability of being throttled or banned by Pluralsight we will request
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# only single format until formats listing was explicitly requested.
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@ -164,12 +179,12 @@ def guess_allowed_qualities():
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if req_ext == allowed_quality.ext and req_quality in allowed_quality.qualities:
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return (AllowedQuality(req_ext, (req_quality, )), )
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req_ext = 'webm' if self._downloader.params.get('prefer_free_formats') else 'mp4'
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return (AllowedQuality(req_ext, ('high', )), )
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return (AllowedQuality(req_ext, (best_quality, )), )
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allowed_qualities = guess_allowed_qualities()
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formats = []
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for ext, qualities in allowed_qualities:
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for quality in qualities:
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for ext, qualities_ in allowed_qualities:
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for quality in qualities_:
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f = QUALITIES[quality].copy()
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clip_post = {
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'a': author,
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@ -205,6 +220,7 @@ def guess_allowed_qualities():
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'url': clip_url,
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'ext': ext,
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'format_id': format_id,
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'quality': quality_key(quality),
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})
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formats.append(f)
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self._sort_formats(formats)
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