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Code Issues Releases Wiki Activity

GenericIE: Detect videos from Brightcove

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Brightcove videos info is usually found in an <object class="BrightcoveExperience"></object> node, this is passed to a new method of BrightcoveIE that builds a url to extract the video.
This commit is contained in:
Jaime Marquínez Ferrándiz 2013-07-10 17:49:11 +02:00
parent a7055eb956
commit cfe50f04ed
2 changed files with 60 additions and 10 deletions
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29
youtube_dl/extractor/brightcove.py
View File

@ -1,17 +1,44 @@
import re
import json
import xml.etree.ElementTree
from .common import InfoExtractor
from ..utils import (
compat_urllib_parse,
)
class BrightcoveIE(InfoExtractor):
_VALID_URL = r'http://.*brightcove\.com/.*\?(?P<query>.*videoPlayer=(?P<id>\d*).*)'
_FEDERATED_URL_TEMPLATE = 'http://c.brightcove.com/services/viewer/htmlFederated?%s'
# There is a test for Brigtcove in GenericIE, that way we test both the download
# and the detection of videos, and we don't have to find an URL that is always valid
@classmethod
def _build_brighcove_url(cls, object_str):
"""
Build a Brightcove url from a xml string containing
<object class="BrightcoveExperience">{params}</object>
"""
object_doc = xml.etree.ElementTree.fromstring(object_str)
assert object_doc.attrib['class'] == u'BrightcoveExperience'
params = {'flashID': object_doc.attrib['id'],
'playerID': object_doc.find('./param[@name="playerID"]').attrib['value'],
'@videoPlayer': object_doc.find('./param[@name="@videoPlayer"]').attrib['value'],
}
playerKey = object_doc.find('./param[@name="playerKey"]')
# Not all pages define this value
if playerKey is not None:
params['playerKey'] = playerKey.attrib['value']
data = compat_urllib_parse.urlencode(params)
return cls._FEDERATED_URL_TEMPLATE % data
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
query = mobj.group('query')
video_id = mobj.group('id')
request_url = 'http://c.brightcove.com/services/viewer/htmlFederated?%s' % query
request_url = self._FEDERATED_URL_TEMPLATE % query
webpage = self._download_webpage(request_url, video_id)
self.report_extraction(video_id)

25
youtube_dl/extractor/generic.py
View File

@ -1,3 +1,5 @@
# encoding: utf-8
import os
import re
@ -9,12 +11,14 @@ from ..utils import (
ExtractorError,
)
from .brightcove import BrightcoveIE
class GenericIE(InfoExtractor):
IE_DESC = u'Generic downloader that works on some sites'
_VALID_URL = r'.*'
IE_NAME = u'generic'
_TEST = {
_TESTS = [
{
u'url': u'http://www.hodiho.fr/2013/02/regis-plante-sa-jeep.html',
u'file': u'13601338388002.mp4',
u'md5': u'85b90ccc9d73b4acd9138d3af4c27f89',
@ -22,7 +26,19 @@ class GenericIE(InfoExtractor):
u"uploader": u"www.hodiho.fr",
u"title": u"R\u00e9gis plante sa Jeep"
}
},
{
u'url': u'http://www.8tv.cat/8aldia/videos/xavier-sala-i-martin-aquesta-tarda-a-8-al-dia/',
u'file': u'2371591881001.mp4',
u'md5': u'9e80619e0a94663f0bdc849b4566af19',
u'note': u'Test Brightcove downloads and detection in GenericIE',
u'info_dict': {
u'title': u'Xavier Sala i Martín: “Un banc que no presta és un banc zombi que no serveix per a res”',
u'uploader': u'8TV',
u'description': u'md5:a950cc4285c43e44d763d036710cd9cd',
}
},
]
def report_download_webpage(self, video_id):
"""Report webpage download."""
@ -103,6 +119,13 @@ class GenericIE(InfoExtractor):
raise ExtractorError(u'Invalid URL: %s' % url)
self.report_extraction(video_id)
# Look for BrigthCove:
m_brightcove = re.search(r'<object.+?class="BrightcoveExperience".+?</object>', webpage, re.DOTALL)
if m_brightcove is not None:
self.to_screen(u'Brightcove video detected.')
bc_url = BrightcoveIE._build_brighcove_url(m_brightcove.group())
return self.url_result(bc_url, 'Brightcove')
# Start with something easy: JW Player in SWFObject
mobj = re.search(r'flashvars: [\'"](?:.*&)?file=(http[^\'"&]*)', webpage)
if mobj is None: