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-rw-r--r--youtube_dl/extractor/channel9.py35
1 files changed, 13 insertions, 22 deletions
diff --git a/youtube_dl/extractor/channel9.py b/youtube_dl/extractor/channel9.py
index 1ce004932..3a88181d8 100644
--- a/youtube_dl/extractor/channel9.py
+++ b/youtube_dl/extractor/channel9.py
@@ -3,7 +3,11 @@ from __future__ import unicode_literals
import re
from .common import InfoExtractor
-from ..utils import ExtractorError
+from ..utils import (
+ ExtractorError,
+ parse_filesize,
+ qualities,
+)
class Channel9IE(InfoExtractor):
@@ -52,23 +56,6 @@ class Channel9IE(InfoExtractor):
_RSS_URL = 'http://channel9.msdn.com/%s/RSS'
- # Sorted by quality
- _known_formats = ['MP3', 'MP4', 'Mid Quality WMV', 'Mid Quality MP4', 'High Quality WMV', 'High Quality MP4']
-
- def _restore_bytes(self, formatted_size):
- if not formatted_size:
- return 0
- m = re.match(r'^(?P<size>\d+(?:\.\d+)?)\s+(?P<units>[a-zA-Z]+)', formatted_size)
- if not m:
- return 0
- units = m.group('units')
- try:
- exponent = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'].index(units.upper())
- except ValueError:
- return 0
- size = float(m.group('size'))
- return int(size * (1024 ** exponent))
-
def _formats_from_html(self, html):
FORMAT_REGEX = r'''
(?x)
@@ -78,16 +65,20 @@ class Channel9IE(InfoExtractor):
<h3>File\s+size</h3>\s*(?P<filesize>.*?)\s*
</div>)? # File size part may be missing
'''
- # Extract known formats
+ quality = qualities((
+ 'MP3', 'MP4',
+ 'Low Quality WMV', 'Low Quality MP4',
+ 'Mid Quality WMV', 'Mid Quality MP4',
+ 'High Quality WMV', 'High Quality MP4'))
formats = [{
'url': x.group('url'),
'format_id': x.group('quality'),
'format_note': x.group('note'),
'format': '%s (%s)' % (x.group('quality'), x.group('note')),
- 'filesize': self._restore_bytes(x.group('filesize')), # File size is approximate
- 'preference': self._known_formats.index(x.group('quality')),
+ 'filesize_approx': parse_filesize(x.group('filesize')),
+ 'quality': quality(x.group('quality')),
'vcodec': 'none' if x.group('note') == 'Audio only' else None,
- } for x in list(re.finditer(FORMAT_REGEX, html)) if x.group('quality') in self._known_formats]
+ } for x in list(re.finditer(FORMAT_REGEX, html))]
self._sort_formats(formats)