]> git.bitcoin.ninja Git - youtube-dl/blob - youtube_dl/extractor/pbs.py
[brightcove] fix format sorting
[youtube-dl] / youtube_dl / extractor / pbs.py
1 # coding: utf-8
2 from __future__ import unicode_literals
3
4 import re
5
6 from .common import InfoExtractor
7 from ..compat import compat_HTTPError
8 from ..utils import (
9     ExtractorError,
10     determine_ext,
11     int_or_none,
12     js_to_json,
13     strip_jsonp,
14     unified_strdate,
15     US_RATINGS,
16 )
17
18
19 class PBSIE(InfoExtractor):
20     _STATIONS = (
21         (r'(?:video|www|player)\.pbs\.org', 'PBS: Public Broadcasting Service'),  # http://www.pbs.org/
22         (r'video\.aptv\.org', 'APT - Alabama Public Television (WBIQ)'),  # http://aptv.org/
23         (r'video\.gpb\.org', 'GPB/Georgia Public Broadcasting (WGTV)'),  # http://www.gpb.org/
24         (r'video\.mpbonline\.org', 'Mississippi Public Broadcasting (WMPN)'),  # http://www.mpbonline.org
25         (r'video\.wnpt\.org', 'Nashville Public Television (WNPT)'),  # http://www.wnpt.org
26         (r'video\.wfsu\.org', 'WFSU-TV (WFSU)'),  # http://wfsu.org/
27         (r'video\.wsre\.org', 'WSRE (WSRE)'),  # http://www.wsre.org
28         (r'video\.wtcitv\.org', 'WTCI (WTCI)'),  # http://www.wtcitv.org
29         (r'video\.pba\.org', 'WPBA/Channel 30 (WPBA)'),  # http://pba.org/
30         (r'video\.alaskapublic\.org', 'Alaska Public Media (KAKM)'),  # http://alaskapublic.org/kakm
31         # (r'kuac\.org', 'KUAC (KUAC)'),  # http://kuac.org/kuac-tv/
32         # (r'ktoo\.org', '360 North (KTOO)'),  # http://www.ktoo.org/
33         # (r'azpm\.org', 'KUAT 6 (KUAT)'),  # http://www.azpm.org/
34         (r'video\.azpbs\.org', 'Arizona PBS (KAET)'),  # http://www.azpbs.org
35         (r'portal\.knme\.org', 'KNME-TV/Channel 5 (KNME)'),  # http://www.newmexicopbs.org/
36         (r'video\.vegaspbs\.org', 'Vegas PBS (KLVX)'),  # http://vegaspbs.org/
37         (r'watch\.aetn\.org', 'AETN/ARKANSAS ETV NETWORK (KETS)'),  # http://www.aetn.org/
38         (r'video\.ket\.org', 'KET (WKLE)'),  # http://www.ket.org/
39         (r'video\.wkno\.org', 'WKNO/Channel 10 (WKNO)'),  # http://www.wkno.org/
40         (r'video\.lpb\.org', 'LPB/LOUISIANA PUBLIC BROADCASTING (WLPB)'),  # http://www.lpb.org/
41         (r'videos\.oeta\.tv', 'OETA (KETA)'),  # http://www.oeta.tv
42         (r'video\.optv\.org', 'Ozarks Public Television (KOZK)'),  # http://www.optv.org/
43         (r'watch\.wsiu\.org', 'WSIU Public Broadcasting (WSIU)'),  # http://www.wsiu.org/
44         (r'video\.keet\.org', 'KEET TV (KEET)'),  # http://www.keet.org
45         (r'pbs\.kixe\.org', 'KIXE/Channel 9 (KIXE)'),  # http://kixe.org/
46         (r'video\.kpbs\.org', 'KPBS San Diego (KPBS)'),  # http://www.kpbs.org/
47         (r'video\.kqed\.org', 'KQED (KQED)'),  # http://www.kqed.org
48         (r'vids\.kvie\.org', 'KVIE Public Television (KVIE)'),  # http://www.kvie.org
49         (r'video\.pbssocal\.org', 'PBS SoCal/KOCE (KOCE)'),  # http://www.pbssocal.org/
50         (r'video\.valleypbs\.org', 'ValleyPBS (KVPT)'),  # http://www.valleypbs.org/
51         (r'video\.cptv\.org', 'CONNECTICUT PUBLIC TELEVISION (WEDH)'),  # http://cptv.org
52         (r'watch\.knpb\.org', 'KNPB Channel 5 (KNPB)'),  # http://www.knpb.org/
53         (r'video\.soptv\.org', 'SOPTV (KSYS)'),  # http://www.soptv.org
54         # (r'klcs\.org', 'KLCS/Channel 58 (KLCS)'),  # http://www.klcs.org
55         # (r'krcb\.org', 'KRCB Television & Radio (KRCB)'),  # http://www.krcb.org
56         # (r'kvcr\.org', 'KVCR TV/DT/FM :: Vision for the Future (KVCR)'),  # http://kvcr.org
57         (r'video\.rmpbs\.org', 'Rocky Mountain PBS (KRMA)'),  # http://www.rmpbs.org
58         (r'video\.kenw\.org', 'KENW-TV3 (KENW)'),  # http://www.kenw.org
59         (r'video\.kued\.org', 'KUED Channel 7 (KUED)'),  # http://www.kued.org
60         (r'video\.wyomingpbs\.org', 'Wyoming PBS (KCWC)'),  # http://www.wyomingpbs.org
61         (r'video\.cpt12\.org', 'Colorado Public Television / KBDI 12 (KBDI)'),  # http://www.cpt12.org/
62         (r'video\.kbyueleven\.org', 'KBYU-TV (KBYU)'),  # http://www.kbyutv.org/
63         (r'video\.thirteen\.org', 'Thirteen/WNET New York (WNET)'),  # http://www.thirteen.org
64         (r'video\.wgbh\.org', 'WGBH/Channel 2 (WGBH)'),  # http://wgbh.org
65         (r'video\.wgby\.org', 'WGBY (WGBY)'),  # http://www.wgby.org
66         (r'watch\.njtvonline\.org', 'NJTV Public Media NJ (WNJT)'),  # http://www.njtvonline.org/
67         # (r'ripbs\.org', 'Rhode Island PBS (WSBE)'),  # http://www.ripbs.org/home/
68         (r'watch\.wliw\.org', 'WLIW21 (WLIW)'),  # http://www.wliw.org/
69         (r'video\.mpt\.tv', 'mpt/Maryland Public Television (WMPB)'),  # http://www.mpt.org
70         (r'watch\.weta\.org', 'WETA Television and Radio (WETA)'),  # http://www.weta.org
71         (r'video\.whyy\.org', 'WHYY (WHYY)'),  # http://www.whyy.org
72         (r'video\.wlvt\.org', 'PBS 39 (WLVT)'),  # http://www.wlvt.org/
73         (r'video\.wvpt\.net', 'WVPT - Your Source for PBS and More! (WVPT)'),  # http://www.wvpt.net
74         (r'video\.whut\.org', 'Howard University Television (WHUT)'),  # http://www.whut.org
75         (r'video\.wedu\.org', 'WEDU PBS (WEDU)'),  # http://www.wedu.org
76         (r'video\.wgcu\.org', 'WGCU Public Media (WGCU)'),  # http://www.wgcu.org/
77         # (r'wjct\.org', 'WJCT Public Broadcasting (WJCT)'),  # http://www.wjct.org
78         (r'video\.wpbt2\.org', 'WPBT2 (WPBT)'),  # http://www.wpbt2.org
79         (r'video\.wucftv\.org', 'WUCF TV (WUCF)'),  # http://wucftv.org
80         (r'video\.wuft\.org', 'WUFT/Channel 5 (WUFT)'),  # http://www.wuft.org
81         (r'watch\.wxel\.org', 'WXEL/Channel 42 (WXEL)'),  # http://www.wxel.org/home/
82         (r'video\.wlrn\.org', 'WLRN/Channel 17 (WLRN)'),  # http://www.wlrn.org/
83         (r'video\.wusf\.usf\.edu', 'WUSF Public Broadcasting (WUSF)'),  # http://wusf.org/
84         (r'video\.scetv\.org', 'ETV (WRLK)'),  # http://www.scetv.org
85         (r'video\.unctv\.org', 'UNC-TV (WUNC)'),  # http://www.unctv.org/
86         # (r'pbsguam\.org', 'PBS Guam (KGTF)'),  # http://www.pbsguam.org/
87         (r'video\.pbshawaii\.org', 'PBS Hawaii - Oceanic Cable Channel 10 (KHET)'),  # http://www.pbshawaii.org/
88         (r'video\.idahoptv\.org', 'Idaho Public Television (KAID)'),  # http://idahoptv.org
89         (r'video\.ksps\.org', 'KSPS (KSPS)'),  # http://www.ksps.org/home/
90         (r'watch\.opb\.org', 'OPB (KOPB)'),  # http://www.opb.org
91         (r'watch\.nwptv\.org', 'KWSU/Channel 10 & KTNW/Channel 31 (KWSU)'),  # http://www.kwsu.org
92         (r'video\.will\.illinois\.edu', 'WILL-TV (WILL)'),  # http://will.illinois.edu/
93         (r'video\.networkknowledge\.tv', 'Network Knowledge - WSEC/Springfield (WSEC)'),  # http://www.wsec.tv
94         (r'video\.wttw\.com', 'WTTW11 (WTTW)'),  # http://www.wttw.com/
95         # (r'wtvp\.org', 'WTVP & WTVP.org, Public Media for Central Illinois (WTVP)'),  # http://www.wtvp.org/
96         (r'video\.iptv\.org', 'Iowa Public Television/IPTV (KDIN)'),  # http://www.iptv.org/
97         (r'video\.ninenet\.org', 'Nine Network (KETC)'),  # http://www.ninenet.org
98         (r'video\.wfwa\.org', 'PBS39 Fort Wayne (WFWA)'),  # http://wfwa.org/
99         (r'video\.wfyi\.org', 'WFYI Indianapolis (WFYI)'),  # http://www.wfyi.org
100         (r'video\.mptv\.org', 'Milwaukee Public Television (WMVS)'),  # http://www.mptv.org
101         (r'video\.wnin\.org', 'WNIN (WNIN)'),  # http://www.wnin.org/
102         (r'video\.wnit\.org', 'WNIT Public Television (WNIT)'),  # http://www.wnit.org/
103         (r'video\.wpt\.org', 'WPT (WPNE)'),  # http://www.wpt.org/
104         (r'video\.wvut\.org', 'WVUT/Channel 22 (WVUT)'),  # http://wvut.org/
105         (r'video\.weiu\.net', 'WEIU/Channel 51 (WEIU)'),  # http://www.weiu.net
106         (r'video\.wqpt\.org', 'WQPT-TV (WQPT)'),  # http://www.wqpt.org
107         (r'video\.wycc\.org', 'WYCC PBS Chicago (WYCC)'),  # http://www.wycc.org
108         # (r'lakeshorepublicmedia\.org', 'Lakeshore Public Television (WYIN)'),  # http://lakeshorepublicmedia.org/
109         (r'video\.wipb\.org', 'WIPB-TV (WIPB)'),  # http://wipb.org
110         (r'video\.indianapublicmedia\.org', 'WTIU (WTIU)'),  # http://indianapublicmedia.org/tv/
111         (r'watch\.cetconnect\.org', 'CET  (WCET)'),  # http://www.cetconnect.org
112         (r'video\.thinktv\.org', 'ThinkTVNetwork (WPTD)'),  # http://www.thinktv.org
113         (r'video\.wbgu\.org', 'WBGU-TV (WBGU)'),  # http://wbgu.org
114         (r'video\.wgvu\.org', 'WGVU TV (WGVU)'),  # http://www.wgvu.org/
115         (r'video\.netnebraska\.org', 'NET1 (KUON)'),  # http://netnebraska.org
116         (r'video\.pioneer\.org', 'Pioneer Public Television (KWCM)'),  # http://www.pioneer.org
117         (r'watch\.sdpb\.org', 'SDPB Television (KUSD)'),  # http://www.sdpb.org
118         (r'video\.tpt\.org', 'TPT (KTCA)'),  # http://www.tpt.org
119         (r'watch\.ksmq\.org', 'KSMQ (KSMQ)'),  # http://www.ksmq.org/
120         (r'watch\.kpts\.org', 'KPTS/Channel 8 (KPTS)'),  # http://www.kpts.org/
121         (r'watch\.ktwu\.org', 'KTWU/Channel 11 (KTWU)'),  # http://ktwu.org
122         # (r'shptv\.org', 'Smoky Hills Public Television (KOOD)'),  # http://www.shptv.org
123         # (r'kcpt\.org', 'KCPT Kansas City Public Television (KCPT)'),  # http://kcpt.org/
124         # (r'blueridgepbs\.org', 'Blue Ridge PBS (WBRA)'),  # http://www.blueridgepbs.org/
125         (r'watch\.easttennesseepbs\.org', 'East Tennessee PBS (WSJK)'),  # http://easttennesseepbs.org
126         (r'video\.wcte\.tv', 'WCTE-TV (WCTE)'),  # http://www.wcte.org
127         (r'video\.wljt\.org', 'WLJT, Channel 11 (WLJT)'),  # http://wljt.org/
128         (r'video\.wosu\.org', 'WOSU TV (WOSU)'),  # http://wosu.org/
129         (r'video\.woub\.org', 'WOUB/WOUC (WOUB)'),  # http://woub.org/tv/index.php?section=5
130         (r'video\.wvpublic\.org', 'WVPB (WVPB)'),  # http://wvpublic.org/
131         (r'video\.wkyupbs\.org', 'WKYU-PBS (WKYU)'),  # http://www.wkyupbs.org
132         # (r'wyes\.org', 'WYES-TV/New Orleans (WYES)'),  # http://www.wyes.org
133         (r'video\.kera\.org', 'KERA 13 (KERA)'),  # http://www.kera.org/
134         (r'video\.mpbn\.net', 'MPBN (WCBB)'),  # http://www.mpbn.net/
135         (r'video\.mountainlake\.org', 'Mountain Lake PBS (WCFE)'),  # http://www.mountainlake.org/
136         (r'video\.nhptv\.org', 'NHPTV (WENH)'),  # http://nhptv.org/
137         (r'video\.vpt\.org', 'Vermont PBS (WETK)'),  # http://www.vpt.org
138         (r'video\.witf\.org', 'witf (WITF)'),  # http://www.witf.org
139         (r'watch\.wqed\.org', 'WQED Multimedia (WQED)'),  # http://www.wqed.org/
140         (r'video\.wmht\.org', 'WMHT Educational Telecommunications (WMHT)'),  # http://www.wmht.org/home/
141         (r'video\.deltabroadcasting\.org', 'Q-TV (WDCQ)'),  # http://www.deltabroadcasting.org
142         (r'video\.dptv\.org', 'WTVS Detroit Public TV (WTVS)'),  # http://www.dptv.org/
143         (r'video\.wcmu\.org', 'CMU Public Television (WCMU)'),  # http://www.wcmu.org
144         (r'video\.wkar\.org', 'WKAR-TV (WKAR)'),  # http://wkar.org/
145         (r'wnmuvideo\.nmu\.edu', 'WNMU-TV Public TV 13 (WNMU)'),  # http://wnmutv.nmu.edu
146         (r'video\.wdse\.org', 'WDSE - WRPT (WDSE)'),  # http://www.wdse.org/
147         (r'video\.wgte\.org', 'WGTE TV (WGTE)'),  # http://www.wgte.org
148         (r'video\.lptv\.org', 'Lakeland Public Television (KAWE)'),  # http://www.lakelandptv.org
149         # (r'prairiepublic\.org', 'PRAIRIE PUBLIC (KFME)'),  # http://www.prairiepublic.org/
150         (r'video\.kmos\.org', 'KMOS-TV - Channels 6.1, 6.2 and 6.3 (KMOS)'),  # http://www.kmos.org/
151         (r'watch\.montanapbs\.org', 'MontanaPBS (KUSM)'),  # http://montanapbs.org
152         (r'video\.krwg\.org', 'KRWG/Channel 22 (KRWG)'),  # http://www.krwg.org
153         (r'video\.kacvtv\.org', 'KACV (KACV)'),  # http://www.panhandlepbs.org/home/
154         (r'video\.kcostv\.org', 'KCOS/Channel 13 (KCOS)'),  # www.kcostv.org
155         (r'video\.wcny\.org', 'WCNY/Channel 24 (WCNY)'),  # http://www.wcny.org
156         (r'video\.wned\.org', 'WNED (WNED)'),  # http://www.wned.org/
157         (r'watch\.wpbstv\.org', 'WPBS (WPBS)'),  # http://www.wpbstv.org
158         (r'video\.wskg\.org', 'WSKG Public TV (WSKG)'),  # http://wskg.org
159         (r'video\.wxxi\.org', 'WXXI (WXXI)'),  # http://wxxi.org
160         (r'video\.wpsu\.org', 'WPSU (WPSU)'),  # http://www.wpsu.org
161         # (r'wqln\.org', 'WQLN/Channel 54 (WQLN)'),  # http://www.wqln.org
162         (r'on-demand\.wvia\.org', 'WVIA Public Media Studios (WVIA)'),  # http://www.wvia.org/
163         (r'video\.wtvi\.org', 'WTVI (WTVI)'),  # http://www.wtvi.org/
164         # (r'whro\.org', 'WHRO (WHRO)'),  # http://whro.org
165         (r'video\.westernreservepublicmedia\.org', 'Western Reserve PBS (WNEO)'),  # http://www.WesternReservePublicMedia.org/
166         (r'video\.ideastream\.org', 'WVIZ/PBS ideastream (WVIZ)'),  # http://www.wviz.org/
167         (r'video\.kcts9\.org', 'KCTS 9 (KCTS)'),  # http://kcts9.org/
168         (r'video\.basinpbs\.org', 'Basin PBS (KPBT)'),  # http://www.basinpbs.org
169         (r'video\.houstonpbs\.org', 'KUHT / Channel 8 (KUHT)'),  # http://www.houstonpublicmedia.org/
170         # (r'tamu\.edu', 'KAMU - TV (KAMU)'),  # http://KAMU.tamu.edu
171         # (r'kedt\.org', 'KEDT/Channel 16 (KEDT)'),  # http://www.kedt.org
172         (r'video\.klrn\.org', 'KLRN (KLRN)'),  # http://www.klrn.org
173         (r'video\.klru\.tv', 'KLRU (KLRU)'),  # http://www.klru.org
174         # (r'kmbh\.org', 'KMBH-TV (KMBH)'),  # http://www.kmbh.org
175         # (r'knct\.org', 'KNCT (KNCT)'),  # http://www.knct.org
176         # (r'ktxt\.org', 'KTTZ-TV (KTXT)'),  # http://www.ktxt.org
177         (r'video\.wtjx\.org', 'WTJX Channel 12 (WTJX)'),  # http://www.wtjx.org/
178         (r'video\.ideastations\.org', 'WCVE PBS (WCVE)'),  # http://ideastations.org/
179         (r'video\.kbtc\.org', 'KBTC Public Television (KBTC)'),  # http://kbtc.org
180     )
181
182     IE_NAME = 'pbs'
183     IE_DESC = 'Public Broadcasting Service (PBS) and member stations: %s' % ', '.join(list(zip(*_STATIONS))[1])
184
185     _VALID_URL = r'''(?x)https?://
186         (?:
187            # Direct video URL
188            (?:%s)/(?:viralplayer|video)/(?P<id>[0-9]+)/? |
189            # Article with embedded player (or direct video)
190            (?:www\.)?pbs\.org/(?:[^/]+/){2,5}(?P<presumptive_id>[^/]+?)(?:\.html)?/?(?:$|[?\#]) |
191            # Player
192            (?:video|player)\.pbs\.org/(?:widget/)?partnerplayer/(?P<player_id>[^/]+)/
193         )
194     ''' % '|'.join(list(zip(*_STATIONS))[0])
195
196     _TESTS = [
197         {
198             'url': 'http://www.pbs.org/tpt/constitution-usa-peter-sagal/watch/a-more-perfect-union/',
199             'md5': 'ce1888486f0908d555a8093cac9a7362',
200             'info_dict': {
201                 'id': '2365006249',
202                 'ext': 'mp4',
203                 'title': 'Constitution USA with Peter Sagal - A More Perfect Union',
204                 'description': 'md5:36f341ae62e251b8f5bd2b754b95a071',
205                 'duration': 3190,
206             },
207             'params': {
208                 'skip_download': True,  # requires ffmpeg
209             },
210         },
211         {
212             'url': 'http://www.pbs.org/wgbh/pages/frontline/losing-iraq/',
213             'md5': '143c98aa54a346738a3d78f54c925321',
214             'info_dict': {
215                 'id': '2365297690',
216                 'ext': 'mp4',
217                 'title': 'FRONTLINE - Losing Iraq',
218                 'description': 'md5:4d3eaa01f94e61b3e73704735f1196d9',
219                 'duration': 5050,
220             },
221             'params': {
222                 'skip_download': True,  # requires ffmpeg
223             }
224         },
225         {
226             'url': 'http://www.pbs.org/newshour/bb/education-jan-june12-cyberschools_02-23/',
227             'md5': 'b19856d7f5351b17a5ab1dc6a64be633',
228             'info_dict': {
229                 'id': '2201174722',
230                 'ext': 'mp4',
231                 'title': 'PBS NewsHour - Cyber Schools Gain Popularity, but Quality Questions Persist',
232                 'description': 'md5:95a19f568689d09a166dff9edada3301',
233                 'duration': 801,
234             },
235         },
236         {
237             'url': 'http://www.pbs.org/wnet/gperf/dudamel-conducts-verdi-requiem-hollywood-bowl-full-episode/3374/',
238             'md5': 'c62859342be2a0358d6c9eb306595978',
239             'info_dict': {
240                 'id': '2365297708',
241                 'ext': 'mp4',
242                 'title': 'Great Performances - Dudamel Conducts Verdi Requiem at the Hollywood Bowl - Full',
243                 'description': 'md5:657897370e09e2bc6bf0f8d2cd313c6b',
244                 'duration': 6559,
245                 'thumbnail': 're:^https?://.*\.jpg$',
246             },
247             'params': {
248                 'skip_download': True,  # requires ffmpeg
249             },
250         },
251         {
252             'url': 'http://www.pbs.org/wgbh/nova/earth/killer-typhoon.html',
253             'md5': '908f3e5473a693b266b84e25e1cf9703',
254             'info_dict': {
255                 'id': '2365160389',
256                 'display_id': 'killer-typhoon',
257                 'ext': 'mp4',
258                 'description': 'md5:c741d14e979fc53228c575894094f157',
259                 'title': 'NOVA - Killer Typhoon',
260                 'duration': 3172,
261                 'thumbnail': 're:^https?://.*\.jpg$',
262                 'upload_date': '20140122',
263                 'age_limit': 10,
264             },
265             'params': {
266                 'skip_download': True,  # requires ffmpeg
267             },
268         },
269         {
270             'url': 'http://www.pbs.org/wgbh/pages/frontline/united-states-of-secrets/',
271             'info_dict': {
272                 'id': 'united-states-of-secrets',
273             },
274             'playlist_count': 2,
275         },
276         {
277             'url': 'http://www.pbs.org/wgbh/americanexperience/films/death/player/',
278             'info_dict': {
279                 'id': '2276541483',
280                 'display_id': 'player',
281                 'ext': 'mp4',
282                 'title': 'American Experience - Death and the Civil War, Chapter 1',
283                 'description': 'md5:1b80a74e0380ed2a4fb335026de1600d',
284                 'duration': 682,
285                 'thumbnail': 're:^https?://.*\.jpg$',
286             },
287             'params': {
288                 'skip_download': True,  # requires ffmpeg
289             },
290         },
291         {
292             'url': 'http://www.pbs.org/video/2365245528/',
293             'info_dict': {
294                 'id': '2365245528',
295                 'display_id': '2365245528',
296                 'ext': 'mp4',
297                 'title': 'FRONTLINE - United States of Secrets (Part One)',
298                 'description': 'md5:55756bd5c551519cc4b7703e373e217e',
299                 'duration': 6851,
300                 'thumbnail': 're:^https?://.*\.jpg$',
301             },
302             'params': {
303                 'skip_download': True,  # requires ffmpeg
304             },
305         },
306         {
307             # Video embedded in iframe containing angle brackets as attribute's value (e.g.
308             # "<iframe style='position: absolute;<br />\ntop: 0; left: 0;' ...", see
309             # https://github.com/rg3/youtube-dl/issues/7059)
310             'url': 'http://www.pbs.org/food/features/a-chefs-life-season-3-episode-5-prickly-business/',
311             'info_dict': {
312                 'id': '2365546844',
313                 'display_id': 'a-chefs-life-season-3-episode-5-prickly-business',
314                 'ext': 'mp4',
315                 'title': "A Chef's Life - Season 3, Ep. 5: Prickly Business",
316                 'description': 'md5:54033c6baa1f9623607c6e2ed245888b',
317                 'duration': 1480,
318                 'thumbnail': 're:^https?://.*\.jpg$',
319             },
320             'params': {
321                 'skip_download': True,  # requires ffmpeg
322             },
323         },
324         {
325             # Frontline video embedded via flp2012.js
326             'url': 'http://www.pbs.org/wgbh/pages/frontline/the-atomic-artists',
327             'info_dict': {
328                 'id': '2070868960',
329                 'display_id': 'the-atomic-artists',
330                 'ext': 'mp4',
331                 'title': 'FRONTLINE - The Atomic Artists',
332                 'description': 'md5:1a2481e86b32b2e12ec1905dd473e2c1',
333                 'duration': 723,
334                 'thumbnail': 're:^https?://.*\.jpg$',
335             },
336             'params': {
337                 'skip_download': True,  # requires ffmpeg
338             },
339         },
340         {
341             # Serves hd only via wigget/partnerplayer page
342             'url': 'http://www.pbs.org/video/2365641075/',
343             'info_dict': {
344                 'id': '2365641075',
345                 'ext': 'mp4',
346                 'title': 'FRONTLINE - Netanyahu at War',
347                 'duration': 6852,
348                 'thumbnail': 're:^https?://.*\.jpg$',
349                 'formats': 'mincount:8',
350             },
351             'params': {
352                 'skip_download': True,  # requires ffmpeg
353             },
354         },
355         {
356             'url': 'http://player.pbs.org/widget/partnerplayer/2365297708/?start=0&end=0&chapterbar=false&endscreen=false&topbar=true',
357             'only_matching': True,
358         },
359         {
360             'url': 'http://watch.knpb.org/video/2365616055/',
361             'only_matching': True,
362         }
363     ]
364     _ERRORS = {
365         101: 'We\'re sorry, but this video is not yet available.',
366         403: 'We\'re sorry, but this video is not available in your region due to right restrictions.',
367         404: 'We are experiencing technical difficulties that are preventing us from playing the video at this time. Please check back again soon.',
368         410: 'This video has expired and is no longer available for online streaming.',
369     }
370
371     def _extract_webpage(self, url):
372         mobj = re.match(self._VALID_URL, url)
373
374         presumptive_id = mobj.group('presumptive_id')
375         display_id = presumptive_id
376         if presumptive_id:
377             webpage = self._download_webpage(url, display_id)
378
379             upload_date = unified_strdate(self._search_regex(
380                 r'<input type="hidden" id="air_date_[0-9]+" value="([^"]+)"',
381                 webpage, 'upload date', default=None))
382
383             # tabbed frontline videos
384             MULTI_PART_REGEXES = (
385                 r'<div[^>]+class="videotab[^"]*"[^>]+vid="(\d+)"',
386                 r'<a[^>]+href=["\']#video-\d+["\'][^>]+data-coveid=["\'](\d+)',
387             )
388             for p in MULTI_PART_REGEXES:
389                 tabbed_videos = re.findall(p, webpage)
390                 if tabbed_videos:
391                     return tabbed_videos, presumptive_id, upload_date
392
393             MEDIA_ID_REGEXES = [
394                 r"div\s*:\s*'videoembed'\s*,\s*mediaid\s*:\s*'(\d+)'",  # frontline video embed
395                 r'class="coveplayerid">([^<]+)<',                       # coveplayer
396                 r'<section[^>]+data-coveid="(\d+)"',                    # coveplayer from http://www.pbs.org/wgbh/frontline/film/real-csi/
397                 r'<input type="hidden" id="pbs_video_id_[0-9]+" value="([0-9]+)"/>',  # jwplayer
398             ]
399
400             media_id = self._search_regex(
401                 MEDIA_ID_REGEXES, webpage, 'media ID', fatal=False, default=None)
402             if media_id:
403                 return media_id, presumptive_id, upload_date
404
405             # Fronline video embedded via flp
406             video_id = self._search_regex(
407                 r'videoid\s*:\s*"([\d+a-z]{7,})"', webpage, 'videoid', default=None)
408             if video_id:
409                 # pkg_id calculation is reverse engineered from
410                 # http://www.pbs.org/wgbh/pages/frontline/js/flp2012.js
411                 prg_id = self._search_regex(
412                     r'videoid\s*:\s*"([\d+a-z]{7,})"', webpage, 'videoid')[7:]
413                 if 'q' in prg_id:
414                     prg_id = prg_id.split('q')[1]
415                 prg_id = int(prg_id, 16)
416                 getdir = self._download_json(
417                     'http://www.pbs.org/wgbh/pages/frontline/.json/getdir/getdir%d.json' % prg_id,
418                     presumptive_id, 'Downloading getdir JSON',
419                     transform_source=strip_jsonp)
420                 return getdir['mid'], presumptive_id, upload_date
421
422             for iframe in re.findall(r'(?s)<iframe(.+?)></iframe>', webpage):
423                 url = self._search_regex(
424                     r'src=(["\'])(?P<url>.+?partnerplayer.+?)\1', iframe,
425                     'player URL', default=None, group='url')
426                 if url:
427                     break
428
429             mobj = re.match(self._VALID_URL, url)
430
431         player_id = mobj.group('player_id')
432         if not display_id:
433             display_id = player_id
434         if player_id:
435             player_page = self._download_webpage(
436                 url, display_id, note='Downloading player page',
437                 errnote='Could not download player page')
438             video_id = self._search_regex(
439                 r'<div\s+id="video_([0-9]+)"', player_page, 'video ID')
440         else:
441             video_id = mobj.group('id')
442             display_id = video_id
443
444         return video_id, display_id, None
445
446     def _real_extract(self, url):
447         video_id, display_id, upload_date = self._extract_webpage(url)
448
449         if isinstance(video_id, list):
450             entries = [self.url_result(
451                 'http://video.pbs.org/video/%s' % vid_id, 'PBS', vid_id)
452                 for vid_id in video_id]
453             return self.playlist_result(entries, display_id)
454
455         info = None
456         redirects = []
457         redirect_urls = set()
458
459         def extract_redirect_urls(info):
460             for encoding_name in ('recommended_encoding', 'alternate_encoding'):
461                 redirect = info.get(encoding_name)
462                 if not redirect:
463                     continue
464                 redirect_url = redirect.get('url')
465                 if redirect_url and redirect_url not in redirect_urls:
466                     redirects.append(redirect)
467                     redirect_urls.add(redirect_url)
468
469         try:
470             video_info = self._download_json(
471                 'http://player.pbs.org/videoInfo/%s?format=json&type=partner' % video_id,
472                 display_id, 'Downloading video info JSON')
473             extract_redirect_urls(video_info)
474             info = video_info
475         except ExtractorError as e:
476             # videoInfo API may not work for some videos
477             if not isinstance(e.cause, compat_HTTPError) or e.cause.code != 404:
478                 raise
479
480         # Player pages may also serve different qualities
481         for page in ('widget/partnerplayer', 'portalplayer'):
482             player = self._download_webpage(
483                 'http://player.pbs.org/%s/%s' % (page, video_id),
484                 display_id, 'Downloading %s page' % page, fatal=False)
485             if player:
486                 video_info = self._parse_json(
487                     self._search_regex(
488                         r'(?s)PBS\.videoData\s*=\s*({.+?});\n',
489                         player, '%s video data' % page, default='{}'),
490                     display_id, transform_source=js_to_json, fatal=False)
491                 if video_info:
492                     extract_redirect_urls(video_info)
493                     if not info:
494                         info = video_info
495
496         formats = []
497         for num, redirect in enumerate(redirects):
498             redirect_id = redirect.get('eeid')
499
500             redirect_info = self._download_json(
501                 '%s?format=json' % redirect['url'], display_id,
502                 'Downloading %s video url info' % (redirect_id or num))
503
504             if redirect_info['status'] == 'error':
505                 raise ExtractorError(
506                     '%s said: %s' % (
507                         self.IE_NAME,
508                         self._ERRORS.get(redirect_info['http_code'], redirect_info['message'])),
509                     expected=True)
510
511             format_url = redirect_info.get('url')
512             if not format_url:
513                 continue
514
515             if determine_ext(format_url) == 'm3u8':
516                 formats.extend(self._extract_m3u8_formats(
517                     format_url, display_id, 'mp4', preference=1, m3u8_id='hls'))
518             else:
519                 formats.append({
520                     'url': format_url,
521                     'format_id': redirect_id,
522                 })
523         self._remove_duplicate_formats(formats)
524         self._sort_formats(formats)
525
526         rating_str = info.get('rating')
527         if rating_str is not None:
528             rating_str = rating_str.rpartition('-')[2]
529         age_limit = US_RATINGS.get(rating_str)
530
531         subtitles = {}
532         closed_captions_url = info.get('closed_captions_url')
533         if closed_captions_url:
534             subtitles['en'] = [{
535                 'ext': 'ttml',
536                 'url': closed_captions_url,
537             }]
538
539         # info['title'] is often incomplete (e.g. 'Full Episode', 'Episode 5', etc)
540         # Try turning it to 'program - title' naming scheme if possible
541         alt_title = info.get('program', {}).get('title')
542         if alt_title:
543             info['title'] = alt_title + ' - ' + re.sub(r'^' + alt_title + '[\s\-:]+', '', info['title'])
544
545         return {
546             'id': video_id,
547             'display_id': display_id,
548             'title': info['title'],
549             'description': info.get('description') or info.get('program', {}).get('description'),
550             'thumbnail': info.get('image_url'),
551             'duration': int_or_none(info.get('duration')),
552             'age_limit': age_limit,
553             'upload_date': upload_date,
554             'formats': formats,
555             'subtitles': subtitles,
556         }