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path: root/youtube_dl/extractor/ministrygrid.py
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from __future__ import unicode_literals

import json
import re

from .common import InfoExtractor
from ..utils import (
    ExtractorError,
    smuggle_url,
)


class MinistryGridIE(InfoExtractor):
    _VALID_URL = r'https?://www\.ministrygrid.com/([^/?#]*/)*(?P<id>[^/#?]+)/?(?:$|[?#])'

    _TEST = {
        'url': 'http://www.ministrygrid.com/training-viewer/-/training/t4g-2014-conference/the-gospel-by-numbers-4/the-gospel-by-numbers',
        'md5': '844be0d2a1340422759c2a9101bab017',
        'info_dict': {
            'id': '3453494717001',
            'ext': 'mp4',
            'title': 'The Gospel by Numbers',
            'description': 'Coming soon from T4G 2014!',
            'uploader': 'LifeWay Christian Resources (MG)',
        },
    }

    def _real_extract(self, url):
        mobj = re.match(self._VALID_URL, url)
        video_id = mobj.group('id')

        webpage = self._download_webpage(url, video_id)
        portlets_json = self._search_regex(
            r'Liferay\.Portlet\.list=(\[.+?\])', webpage, 'portlet list')
        portlets = json.loads(portlets_json)
        pl_id = self._search_regex(
            r'<!--\s*p_l_id - ([0-9]+)<br>', webpage, 'p_l_id')

        for i, portlet in enumerate(portlets):
            portlet_url = 'http://www.ministrygrid.com/c/portal/render_portlet?p_l_id=%s&p_p_id=%s' % (pl_id, portlet)
            portlet_code = self._download_webpage(
                portlet_url, video_id,
                note='Looking in portlet %s (%d/%d)' % (portlet, i + 1, len(portlets)),
                fatal=False)
            video_iframe_url = self._search_regex(
                r'<iframe.*?src="([^"]+)"', portlet_code, 'video iframe',
                default=None)
            if video_iframe_url:
                surl = smuggle_url(
                    video_iframe_url, {'force_videoid': video_id})
                return {
                    '_type': 'url',
                    'id': video_id,
                    'url': surl,
                }

        raise ExtractorError('Could not find video iframe in any portlets')