Add support for Wall Street Journal(WSJ)

[MaryCoding]

Hola,

I am trying to download videos from The Wall Street Journal but currently there is no support for it:

 youtube-dl -v -o "/media/%(title)s.mp4"  http://video-api.wsj.com/api-video/player/iframe.html?guid=1BD01A4C-BFE8-40A5-A42F-8A8AF9898B1A
[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['-v', '-o', '/media/%(title)s.mp4', 'http://video-api.wsj.com/api-video/player/iframe.html?guid=1BD01A4C-BFE8-40A5-A42F-8A8AF9898B1A']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2015.01.16
[debug] Python version 2.7.6 - Linux-3.13.0-35-generic-x86_64-with-Ubuntu-14.04-trusty
[debug] exe versions: ffmpeg git-2014-12-27-d4fd3f2, ffprobe git-2014-12-27-d4fd3f2
[debug] Proxy map: {}
[generic] iframe: Requesting header
WARNING: Falling back on generic information extractor.
[generic] iframe: Downloading webpage
[generic] iframe: Extracting information
ERROR: Unsupported URL: http://video-api.wsj.com/api-video/player/iframe.html?guid=1BD01A4C-BFE8-40A5-A42F-8A8AF9898B1A
Traceback (most recent call last):
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/generic.py", line 670, in _real_extract
    doc = parse_xml(webpage)
  File "/usr/local/bin/youtube-dl/youtube_dl/utils.py", line 1504, in parse_xml
    tree = xml.etree.ElementTree.XML(s.encode('utf-8'), **kwargs)
  File "/usr/lib/python2.7/xml/etree/ElementTree.py", line 1300, in XML
    parser.feed(text)
  File "/usr/lib/python2.7/xml/etree/ElementTree.py", line 1642, in feed
    self._raiseerror(v)
  File "/usr/lib/python2.7/xml/etree/ElementTree.py", line 1506, in _raiseerror
    raise err
ParseError: not well-formed (invalid token): line 9, column 72
Traceback (most recent call last):
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 600, in extract_info
    ie_result = ie.extract(url)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 260, in extract
    return self._real_extract(url)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/generic.py", line 1075, in _real_extract
    raise UnsupportedError(url)
UnsupportedError: Unsupported URL: http://video-api.wsj.com/api-video/player/iframe.html?guid=1BD01A4C-BFE8-40A5-A42F-8A8AF9898B1A

[phihag]

youtube-dl 2015.02.03.1 and newer include support for WSJ (at least in the URL format you gave us). See our FAQ if you need help updating.