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# -*- coding: utf-8 -*-
from __future__ import unicode_literals
import re
from .common import InfoExtractor
from ..utils import (
compat_parse_qs,
compat_urllib_request,
)
class ScreencastIE(InfoExtractor):
_VALID_URL = r'https?://www\.screencast\.com/t/(?P<id>[a-zA-Z0-9]+)'
_TEST = {
'url': 'http://www.screencast.com/t/3ZEjQXlT',
'md5': '917df1c13798a3e96211dd1561fded83',
'info_dict': {
'id': '3ZEjQXlT',
'ext': 'm4v',
'title': 'Color Measurement with Ocean Optics Spectrometers',
'description': 'md5:240369cde69d8bed61349a199c5fb153',
'thumbnail': 're:^https?://.*\.jpg$'
}
}
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
video_id = mobj.group('id')
webpage = self._download_webpage(url, video_id)
flash_vars_s = self._html_search_regex(
r'<param name="flashVars" value="([^"]+)"', webpage, 'flash vars')
flash_vars = compat_parse_qs(flash_vars_s)
thumbnail = flash_vars.get('thumb', [None])[0]
video_url_raw = compat_urllib_request.quote(flash_vars['content'][0])
video_url = video_url_raw.replace('http%3A', 'http:')
title = self._og_search_title(webpage)
description = self._og_search_description(webpage)
return {
'id': video_id,
'url': video_url,
'title': title,
'description': description,
'thumbnail': thumbnail,
}
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