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-rw-r--r--youtube_dl/extractor/__init__.py1
-rw-r--r--youtube_dl/extractor/howstuffworks.py134
2 files changed, 135 insertions, 0 deletions
diff --git a/youtube_dl/extractor/__init__.py b/youtube_dl/extractor/__init__.py
index 2ea2c73d2..27602e0c0 100644
--- a/youtube_dl/extractor/__init__.py
+++ b/youtube_dl/extractor/__init__.py
@@ -126,6 +126,7 @@ from .helsinki import HelsinkiIE
from .hentaistigma import HentaiStigmaIE
from .hotnewhiphop import HotNewHipHopIE
from .howcast import HowcastIE
+from .howstuffworks import HowStuffWorksIE
from .huffpost import HuffPostIE
from .hypem import HypemIE
from .iconosquare import IconosquareIE
diff --git a/youtube_dl/extractor/howstuffworks.py b/youtube_dl/extractor/howstuffworks.py
new file mode 100644
index 000000000..68684b997
--- /dev/null
+++ b/youtube_dl/extractor/howstuffworks.py
@@ -0,0 +1,134 @@
+from __future__ import unicode_literals
+
+import re
+import json
+import random
+import string
+
+from .common import InfoExtractor
+from ..utils import find_xpath_attr
+
+
+class HowStuffWorksIE(InfoExtractor):
+ _VALID_URL = r'https?://[\da-z-]+\.howstuffworks\.com/(?:[^/]+/)*\d+-(?P<id>.+?)-video\.htm'
+ _TESTS = [
+ {
+ 'url': 'http://adventure.howstuffworks.com/5266-cool-jobs-iditarod-musher-video.htm',
+ 'info_dict': {
+ 'id': '450221',
+ 'display_id': 'cool-jobs-iditarod-musher',
+ 'ext': 'flv',
+ 'title': 'Cool Jobs - Iditarod Musher',
+ 'description': 'md5:82bb58438a88027b8186a1fccb365f90',
+ 'thumbnail': 're:^https?://.*\.jpg$',
+ },
+ 'params': {
+ # md5 is not consistent
+ 'skip_download': True
+ }
+ },
+ {
+ 'url': 'http://adventure.howstuffworks.com/39516-deadliest-catch-jakes-farewell-pots-video.htm',
+ 'info_dict': {
+ 'id': '553470',
+ 'display_id': 'deadliest-catch-jakes-farewell-pots',
+ 'ext': 'mp4',
+ 'title': 'Deadliest Catch: Jake\'s Farewell Pots',
+ 'description': 'md5:9632c346d5e43ee238028c9cefd8dbbc',
+ 'thumbnail': 're:^https?://.*\.jpg$',
+ },
+ 'params': {
+ # md5 is not consistent
+ 'skip_download': True
+ }
+ },
+ {
+ 'url': 'http://entertainment.howstuffworks.com/arts/2706-sword-swallowing-1-by-dan-meyer-video.htm',
+ 'info_dict': {
+ 'id': '440011',
+ 'display_id': 'sword-swallowing-1-by-dan-meyer',
+ 'ext': 'flv',
+ 'title': 'Sword Swallowing #1 by Dan Meyer',
+ 'description': 'md5:b2409e88172913e2e7d3d1159b0ef735',
+ 'thumbnail': 're:^https?://.*\.jpg$',
+ },
+ 'params': {
+ # md5 is not consistent
+ 'skip_download': True
+ }
+ },
+ ]
+
+ def _real_extract(self, url):
+ mobj = re.match(self._VALID_URL, url)
+ display_id = mobj.group('id')
+ webpage = self._download_webpage(url, display_id)
+
+ content_id = self._search_regex(r'var siteSectionId="(\d+)";', webpage, 'content id')
+
+ mp4 = self._search_regex(
+ r'''(?xs)var\s+clip\s*=\s*{\s*
+ .+?\s*
+ content_id\s*:\s*%s\s*,\s*
+ .+?\s*
+ mp4\s*:\s*\[(.*?),?\]\s*
+ };\s*
+ videoData\.push\(clip\);''' % content_id,
+ webpage, 'mp4', fatal=False, default=None)
+
+ smil = self._download_xml(
+ 'http://services.media.howstuffworks.com/videos/%s/smil-service.smil' % content_id,
+ content_id, 'Downloading video SMIL')
+
+ http_base = find_xpath_attr(
+ smil,
+ './{0}head/{0}meta'.format('{http://www.w3.org/2001/SMIL20/Language}'),
+ 'name',
+ 'httpBase').get('content')
+
+ def random_string(str_len=0):
+ return ''.join([random.choice(string.ascii_uppercase) for _ in range(str_len)])
+
+ URL_SUFFIX = '?v=2.11.3&fp=LNX 11,2,202,356&r=%s&g=%s' % (random_string(5), random_string(12))
+
+ formats = []
+
+ if mp4:
+ for video in json.loads('[%s]' % mp4):
+ bitrate = video['bitrate']
+ fmt = {
+ 'url': video['src'].replace('http://pmd.video.howstuffworks.com', http_base) + URL_SUFFIX,
+ 'format_id': bitrate,
+ }
+ m = re.search(r'(?P<vbr>\d+)[Kk]', bitrate)
+ if m:
+ fmt['vbr'] = int(m.group('vbr'))
+ formats.append(fmt)
+ else:
+ for video in smil.findall(
+ './/{0}body/{0}switch/{0}video'.format('{http://www.w3.org/2001/SMIL20/Language}')):
+ vbr = int(video.attrib['system-bitrate']) / 1000
+ formats.append({
+ 'url': '%s/%s%s' % (http_base, video.attrib['src'], URL_SUFFIX),
+ 'format_id': '%dk' % vbr,
+ 'vbr': vbr,
+ })
+
+ self._sort_formats(formats)
+
+ title = self._og_search_title(webpage)
+ TITLE_SUFFIX = ' : HowStuffWorks'
+ if title.endswith(TITLE_SUFFIX):
+ title = title[:-len(TITLE_SUFFIX)]
+
+ description = self._og_search_description(webpage)
+ thumbnail = self._og_search_thumbnail(webpage)
+
+ return {
+ 'id': content_id,
+ 'display_id': display_id,
+ 'title': title,
+ 'description': description,
+ 'thumbnail': thumbnail,
+ 'formats': formats,
+ }