aboutsummaryrefslogtreecommitdiff
path: root/youtube_dl/extractor/pbs.py
blob: b787e2a73c66a0ff1bf2d17b9f20c13bf166aae7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
# coding: utf-8
from __future__ import unicode_literals

import re

from .common import InfoExtractor
from ..utils import (
    ExtractorError,
    determine_ext,
    int_or_none,
    strip_jsonp,
    unified_strdate,
    US_RATINGS,
)


class PBSIE(InfoExtractor):
    _VALID_URL = r'''(?x)https?://
        (?:
           # Direct video URL
           video\.pbs\.org/(?:viralplayer|video)/(?P<id>[0-9]+)/? |
           # Article with embedded player (or direct video)
           (?:www\.)?pbs\.org/(?:[^/]+/){2,5}(?P<presumptive_id>[^/]+?)(?:\.html)?/?(?:$|[?\#]) |
           # Player
           (?:video|player)\.pbs\.org/(?:widget/)?partnerplayer/(?P<player_id>[^/]+)/
        )
    '''

    _TESTS = [
        {
            'url': 'http://www.pbs.org/tpt/constitution-usa-peter-sagal/watch/a-more-perfect-union/',
            'md5': 'ce1888486f0908d555a8093cac9a7362',
            'info_dict': {
                'id': '2365006249',
                'ext': 'mp4',
                'title': 'Constitution USA with Peter Sagal - A More Perfect Union',
                'description': 'md5:ba0c207295339c8d6eced00b7c363c6a',
                'duration': 3190,
            },
            'params': {
                'skip_download': True,  # requires ffmpeg
            },
        },
        {
            'url': 'http://www.pbs.org/wgbh/pages/frontline/losing-iraq/',
            'md5': '143c98aa54a346738a3d78f54c925321',
            'info_dict': {
                'id': '2365297690',
                'ext': 'mp4',
                'title': 'FRONTLINE - Losing Iraq',
                'description': 'md5:f5bfbefadf421e8bb8647602011caf8e',
                'duration': 5050,
            },
            'params': {
                'skip_download': True,  # requires ffmpeg
            }
        },
        {
            'url': 'http://www.pbs.org/newshour/bb/education-jan-june12-cyberschools_02-23/',
            'md5': 'b19856d7f5351b17a5ab1dc6a64be633',
            'info_dict': {
                'id': '2201174722',
                'ext': 'mp4',
                'title': 'PBS NewsHour - Cyber Schools Gain Popularity, but Quality Questions Persist',
                'description': 'md5:5871c15cba347c1b3d28ac47a73c7c28',
                'duration': 801,
            },
        },
        {
            'url': 'http://www.pbs.org/wnet/gperf/dudamel-conducts-verdi-requiem-hollywood-bowl-full-episode/3374/',
            'md5': 'c62859342be2a0358d6c9eb306595978',
            'info_dict': {
                'id': '2365297708',
                'ext': 'mp4',
                'description': 'md5:68d87ef760660eb564455eb30ca464fe',
                'title': 'Great Performances - Dudamel Conducts Verdi Requiem at the Hollywood Bowl - Full',
                'duration': 6559,
                'thumbnail': 're:^https?://.*\.jpg$',
            },
            'params': {
                'skip_download': True,  # requires ffmpeg
            },
        },
        {
            'url': 'http://www.pbs.org/wgbh/nova/earth/killer-typhoon.html',
            'md5': '908f3e5473a693b266b84e25e1cf9703',
            'info_dict': {
                'id': '2365160389',
                'display_id': 'killer-typhoon',
                'ext': 'mp4',
                'description': 'md5:c741d14e979fc53228c575894094f157',
                'title': 'NOVA - Killer Typhoon',
                'duration': 3172,
                'thumbnail': 're:^https?://.*\.jpg$',
                'upload_date': '20140122',
                'age_limit': 10,
            },
            'params': {
                'skip_download': True,  # requires ffmpeg
            },
        },
        {
            'url': 'http://www.pbs.org/wgbh/pages/frontline/united-states-of-secrets/',
            'info_dict': {
                'id': 'united-states-of-secrets',
            },
            'playlist_count': 2,
        },
        {
            'url': 'http://www.pbs.org/wgbh/americanexperience/films/death/player/',
            'info_dict': {
                'id': '2276541483',
                'display_id': 'player',
                'ext': 'mp4',
                'title': 'American Experience - Death and the Civil War, Chapter 1',
                'description': 'American Experience, TV’s most-watched history series, brings to life the compelling stories from our past that inform our understanding of the world today.',
                'duration': 682,
                'thumbnail': 're:^https?://.*\.jpg$',
            },
            'params': {
                'skip_download': True,  # requires ffmpeg
            },
        },
        {
            'url': 'http://video.pbs.org/video/2365367186/',
            'info_dict': {
                'id': '2365367186',
                'display_id': '2365367186',
                'ext': 'mp4',
                'title': 'To Catch A Comet - Full Episode',
                'description': 'On November 12, 2014, billions of kilometers from Earth, spacecraft orbiter Rosetta and lander Philae did what no other had dared to attempt \u2014 land on the volatile surface of a comet as it zooms around the sun at 67,000 km/hr. The European Space Agency hopes this mission can help peer into our past and unlock secrets of our origins.',
                'duration': 3342,
                'thumbnail': 're:^https?://.*\.jpg$',
            },
            'params': {
                'skip_download': True,  # requires ffmpeg
            },
            'skip': 'Expired',
        },
        {
            # Video embedded in iframe containing angle brackets as attribute's value (e.g.
            # "<iframe style='position: absolute;<br />\ntop: 0; left: 0;' ...", see
            # https://github.com/rg3/youtube-dl/issues/7059)
            'url': 'http://www.pbs.org/food/features/a-chefs-life-season-3-episode-5-prickly-business/',
            'info_dict': {
                'id': '2365546844',
                'display_id': 'a-chefs-life-season-3-episode-5-prickly-business',
                'ext': 'mp4',
                'title': "A Chef's Life - Season 3, Ep. 5: Prickly Business",
                'description': 'md5:61db2ddf27c9912f09c241014b118ed1',
                'duration': 1480,
                'thumbnail': 're:^https?://.*\.jpg$',
            },
            'params': {
                'skip_download': True,  # requires ffmpeg
            },
        },
        {
            # Frontline video embedded via flp2012.js
            'url': 'http://www.pbs.org/wgbh/pages/frontline/the-atomic-artists',
            'info_dict': {
                'id': '2070868960',
                'display_id': 'the-atomic-artists',
                'ext': 'mp4',
                'title': 'FRONTLINE - The Atomic Artists',
                'description': 'md5:f5bfbefadf421e8bb8647602011caf8e',
                'duration': 723,
                'thumbnail': 're:^https?://.*\.jpg$',
            },
            'params': {
                'skip_download': True,  # requires ffmpeg
            },
        },
        {
            'url': 'http://player.pbs.org/widget/partnerplayer/2365297708/?start=0&end=0&chapterbar=false&endscreen=false&topbar=true',
            'only_matching': True,
        }
    ]
    _ERRORS = {
        101: 'We\'re sorry, but this video is not yet available.',
        403: 'We\'re sorry, but this video is not available in your region due to right restrictions.',
        404: 'We are experiencing technical difficulties that are preventing us from playing the video at this time. Please check back again soon.',
        410: 'This video has expired and is no longer available for online streaming.',
    }

    def _extract_webpage(self, url):
        mobj = re.match(self._VALID_URL, url)

        presumptive_id = mobj.group('presumptive_id')
        display_id = presumptive_id
        if presumptive_id:
            webpage = self._download_webpage(url, display_id)

            upload_date = unified_strdate(self._search_regex(
                r'<input type="hidden" id="air_date_[0-9]+" value="([^"]+)"',
                webpage, 'upload date', default=None))

            # tabbed frontline videos
            tabbed_videos = re.findall(
                r'<div[^>]+class="videotab[^"]*"[^>]+vid="(\d+)"', webpage)
            if tabbed_videos:
                return tabbed_videos, presumptive_id, upload_date

            MEDIA_ID_REGEXES = [
                r"div\s*:\s*'videoembed'\s*,\s*mediaid\s*:\s*'(\d+)'",  # frontline video embed
                r'class="coveplayerid">([^<]+)<',                       # coveplayer
                r'<input type="hidden" id="pbs_video_id_[0-9]+" value="([0-9]+)"/>',  # jwplayer
            ]

            media_id = self._search_regex(
                MEDIA_ID_REGEXES, webpage, 'media ID', fatal=False, default=None)
            if media_id:
                return media_id, presumptive_id, upload_date

            # Fronline video embedded via flp
            video_id = self._search_regex(
                r'videoid\s*:\s*"([\d+a-z]{7,})"', webpage, 'videoid', default=None)
            if video_id:
                # pkg_id calculation is reverse engineered from
                # http://www.pbs.org/wgbh/pages/frontline/js/flp2012.js
                prg_id = self._search_regex(
                    r'videoid\s*:\s*"([\d+a-z]{7,})"', webpage, 'videoid')[7:]
                if 'q' in prg_id:
                    prg_id = prg_id.split('q')[1]
                prg_id = int(prg_id, 16)
                getdir = self._download_json(
                    'http://www.pbs.org/wgbh/pages/frontline/.json/getdir/getdir%d.json' % prg_id,
                    presumptive_id, 'Downloading getdir JSON',
                    transform_source=strip_jsonp)
                return getdir['mid'], presumptive_id, upload_date

            for iframe in re.findall(r'(?s)<iframe(.+?)></iframe>', webpage):
                url = self._search_regex(
                    r'src=(["\'])(?P<url>.+?partnerplayer.+?)\1', iframe,
                    'player URL', default=None, group='url')
                if url:
                    break

            mobj = re.match(self._VALID_URL, url)

        player_id = mobj.group('player_id')
        if not display_id:
            display_id = player_id
        if player_id:
            player_page = self._download_webpage(
                url, display_id, note='Downloading player page',
                errnote='Could not download player page')
            video_id = self._search_regex(
                r'<div\s+id="video_([0-9]+)"', player_page, 'video ID')
        else:
            video_id = mobj.group('id')
            display_id = video_id

        return video_id, display_id, None

    def _real_extract(self, url):
        video_id, display_id, upload_date = self._extract_webpage(url)

        if isinstance(video_id, list):
            entries = [self.url_result(
                'http://video.pbs.org/video/%s' % vid_id, 'PBS', vid_id)
                for vid_id in video_id]
            return self.playlist_result(entries, display_id)

        info = self._download_json(
            'http://player.pbs.org/videoInfo/%s?format=json&type=partner' % video_id,
            display_id)

        formats = []
        for encoding_name in ('recommended_encoding', 'alternate_encoding'):
            redirect = info.get(encoding_name)
            if not redirect:
                continue
            redirect_url = redirect.get('url')
            if not redirect_url:
                continue

            redirect_info = self._download_json(
                redirect_url + '?format=json', display_id,
                'Downloading %s video url info' % encoding_name)

            if redirect_info['status'] == 'error':
                raise ExtractorError(
                    '%s said: %s' % (
                        self.IE_NAME,
                        self._ERRORS.get(redirect_info['http_code'], redirect_info['message'])),
                    expected=True)

            format_url = redirect_info.get('url')
            if not format_url:
                continue

            if determine_ext(format_url) == 'm3u8':
                formats.extend(self._extract_m3u8_formats(
                    format_url, display_id, 'mp4', preference=1, m3u8_id='hls'))
            else:
                formats.append({
                    'url': format_url,
                    'format_id': redirect.get('eeid'),
                })
        self._sort_formats(formats)

        rating_str = info.get('rating')
        if rating_str is not None:
            rating_str = rating_str.rpartition('-')[2]
        age_limit = US_RATINGS.get(rating_str)

        subtitles = {}
        closed_captions_url = info.get('closed_captions_url')
        if closed_captions_url:
            subtitles['en'] = [{
                'ext': 'ttml',
                'url': closed_captions_url,
            }]

        # info['title'] is often incomplete (e.g. 'Full Episode', 'Episode 5', etc)
        # Try turning it to 'program - title' naming scheme if possible
        alt_title = info.get('program', {}).get('title')
        if alt_title:
            info['title'] = alt_title + ' - ' + re.sub(r'^' + alt_title + '[\s\-:]+', '', info['title'])

        return {
            'id': video_id,
            'display_id': display_id,
            'title': info['title'],
            'description': info['program'].get('description'),
            'thumbnail': info.get('image_url'),
            'duration': int_or_none(info.get('duration')),
            'age_limit': age_limit,
            'upload_date': upload_date,
            'formats': formats,
            'subtitles': subtitles,
        }