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path: root/youtube_dl/extractor/sverigesradio.py
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# coding: utf-8
from __future__ import unicode_literals

from .common import InfoExtractor
from ..utils import (
    determine_ext,
    int_or_none,
    str_or_none,
)


class SverigesRadioBaseIE(InfoExtractor):
    _BASE_URL = 'https://sverigesradio.se/sida/playerajax/'
    _QUALITIES = ['low', 'medium', 'high']
    _EXT_TO_CODEC_MAP = {
        'mp3': 'mp3',
        'm4a': 'aac',
    }
    _CODING_FORMAT_TO_ABR_MAP = {
        5: 128,
        11: 192,
        12: 32,
        13: 96,
    }

    def _real_extract(self, url):
        audio_id = self._match_id(url)
        query = {
            'id': audio_id,
            'type': self._AUDIO_TYPE,
        }

        item = self._download_json(
            self._BASE_URL + 'audiometadata', audio_id,
            'Downloading audio JSON metadata', query=query)['items'][0]
        title = item['subtitle']

        query['format'] = 'iis'
        urls = []
        formats = []
        for quality in self._QUALITIES:
            query['quality'] = quality
            audio_url_data = self._download_json(
                self._BASE_URL + 'getaudiourl', audio_id,
                'Downloading %s format JSON metadata' % quality,
                fatal=False, query=query) or {}
            audio_url = audio_url_data.get('audioUrl')
            if not audio_url or audio_url in urls:
                continue
            urls.append(audio_url)
            ext = determine_ext(audio_url)
            coding_format = audio_url_data.get('codingFormat')
            abr = int_or_none(self._search_regex(
                r'_a(\d+)\.m4a', audio_url, 'audio bitrate',
                default=None)) or self._CODING_FORMAT_TO_ABR_MAP.get(coding_format)
            formats.append({
                'abr': abr,
                'acodec': self._EXT_TO_CODEC_MAP.get(ext),
                'ext': ext,
                'format_id': str_or_none(coding_format),
                'vcodec': 'none',
                'url': audio_url,
            })
        self._sort_formats(formats)

        return {
            'id': audio_id,
            'title': title,
            'formats': formats,
            'series': item.get('title'),
            'duration': int_or_none(item.get('duration')),
            'thumbnail': item.get('displayimageurl'),
            'description': item.get('description'),
        }


class SverigesRadioPublicationIE(SverigesRadioBaseIE):
    IE_NAME = 'sverigesradio:publication'
    _VALID_URL = r'https?://(?:www\.)?sverigesradio\.se/sida/(?:artikel|gruppsida)\.aspx\?.*?\bartikel=(?P<id>[0-9]+)'
    _TESTS = [{
        'url': 'https://sverigesradio.se/sida/artikel.aspx?programid=83&artikel=7038546',
        'md5': '6a4917e1923fccb080e5a206a5afa542',
        'info_dict': {
            'id': '7038546',
            'ext': 'm4a',
            'duration': 132,
            'series': 'Nyheter (Ekot)',
            'title': 'Esa Teittinen: Sanningen har inte kommit fram',
            'description': 'md5:daf7ce66a8f0a53d5465a5984d3839df',
            'thumbnail': r're:^https?://.*\.jpg',
        },
    }, {
        'url': 'https://sverigesradio.se/sida/gruppsida.aspx?programid=3304&grupp=6247&artikel=7146887',
        'only_matching': True,
    }]
    _AUDIO_TYPE = 'publication'


class SverigesRadioEpisodeIE(SverigesRadioBaseIE):
    IE_NAME = 'sverigesradio:episode'
    _VALID_URL = r'https?://(?:www\.)?sverigesradio\.se/(?:sida/)?avsnitt/(?P<id>[0-9]+)'
    _TEST = {
        'url': 'https://sverigesradio.se/avsnitt/1140922?programid=1300',
        'md5': '20dc4d8db24228f846be390b0c59a07c',
        'info_dict': {
            'id': '1140922',
            'ext': 'mp3',
            'duration': 3307,
            'series': 'Konflikt',
            'title': 'Metoo och valen',
            'description': 'md5:fcb5c1f667f00badcc702b196f10a27e',
            'thumbnail': r're:^https?://.*\.jpg',
        }
    }
    _AUDIO_TYPE = 'episode'