]> git.bitcoin.ninja Git - youtube-dl/blob - youtube_dl/extractor/pbs.py
[weibo] Remove the extractor
[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': '173dc391afd361fa72eab5d3d918968d',
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         },
208         {
209             'url': 'http://www.pbs.org/wgbh/pages/frontline/losing-iraq/',
210             'md5': '6f722cb3c3982186d34b0f13374499c7',
211             'info_dict': {
212                 'id': '2365297690',
213                 'ext': 'mp4',
214                 'title': 'FRONTLINE - Losing Iraq',
215                 'description': 'md5:4d3eaa01f94e61b3e73704735f1196d9',
216                 'duration': 5050,
217             },
218         },
219         {
220             'url': 'http://www.pbs.org/newshour/bb/education-jan-june12-cyberschools_02-23/',
221             'md5': 'b19856d7f5351b17a5ab1dc6a64be633',
222             'info_dict': {
223                 'id': '2201174722',
224                 'ext': 'mp4',
225                 'title': 'PBS NewsHour - Cyber Schools Gain Popularity, but Quality Questions Persist',
226                 'description': 'md5:95a19f568689d09a166dff9edada3301',
227                 'duration': 801,
228             },
229         },
230         {
231             'url': 'http://www.pbs.org/wnet/gperf/dudamel-conducts-verdi-requiem-hollywood-bowl-full-episode/3374/',
232             'md5': 'c62859342be2a0358d6c9eb306595978',
233             'info_dict': {
234                 'id': '2365297708',
235                 'ext': 'mp4',
236                 'title': 'Great Performances - Dudamel Conducts Verdi Requiem at the Hollywood Bowl - Full',
237                 'description': 'md5:657897370e09e2bc6bf0f8d2cd313c6b',
238                 'duration': 6559,
239                 'thumbnail': 're:^https?://.*\.jpg$',
240             },
241         },
242         {
243             'url': 'http://www.pbs.org/wgbh/nova/earth/killer-typhoon.html',
244             'md5': '908f3e5473a693b266b84e25e1cf9703',
245             'info_dict': {
246                 'id': '2365160389',
247                 'display_id': 'killer-typhoon',
248                 'ext': 'mp4',
249                 'description': 'md5:c741d14e979fc53228c575894094f157',
250                 'title': 'NOVA - Killer Typhoon',
251                 'duration': 3172,
252                 'thumbnail': 're:^https?://.*\.jpg$',
253                 'upload_date': '20140122',
254                 'age_limit': 10,
255             },
256         },
257         {
258             'url': 'http://www.pbs.org/wgbh/pages/frontline/united-states-of-secrets/',
259             'info_dict': {
260                 'id': 'united-states-of-secrets',
261             },
262             'playlist_count': 2,
263         },
264         {
265             'url': 'http://www.pbs.org/wgbh/americanexperience/films/death/player/',
266             'info_dict': {
267                 'id': '2276541483',
268                 'display_id': 'player',
269                 'ext': 'mp4',
270                 'title': 'American Experience - Death and the Civil War, Chapter 1',
271                 'description': 'md5:1b80a74e0380ed2a4fb335026de1600d',
272                 'duration': 682,
273                 'thumbnail': 're:^https?://.*\.jpg$',
274             },
275             'params': {
276                 'skip_download': True,  # requires ffmpeg
277             },
278         },
279         {
280             'url': 'http://www.pbs.org/video/2365245528/',
281             'md5': '115223d41bd55cda8ae5cd5ed4e11497',
282             'info_dict': {
283                 'id': '2365245528',
284                 'display_id': '2365245528',
285                 'ext': 'mp4',
286                 'title': 'FRONTLINE - United States of Secrets (Part One)',
287                 'description': 'md5:55756bd5c551519cc4b7703e373e217e',
288                 'duration': 6851,
289                 'thumbnail': 're:^https?://.*\.jpg$',
290             },
291         },
292         {
293             # Video embedded in iframe containing angle brackets as attribute's value (e.g.
294             # "<iframe style='position: absolute;<br />\ntop: 0; left: 0;' ...", see
295             # https://github.com/rg3/youtube-dl/issues/7059)
296             'url': 'http://www.pbs.org/food/features/a-chefs-life-season-3-episode-5-prickly-business/',
297             'md5': '84ced42850d78f1d4650297356e95e6f',
298             'info_dict': {
299                 'id': '2365546844',
300                 'display_id': 'a-chefs-life-season-3-episode-5-prickly-business',
301                 'ext': 'mp4',
302                 'title': "A Chef's Life - Season 3, Ep. 5: Prickly Business",
303                 'description': 'md5:54033c6baa1f9623607c6e2ed245888b',
304                 'duration': 1480,
305                 'thumbnail': 're:^https?://.*\.jpg$',
306             },
307         },
308         {
309             # Frontline video embedded via flp2012.js
310             'url': 'http://www.pbs.org/wgbh/pages/frontline/the-atomic-artists',
311             'info_dict': {
312                 'id': '2070868960',
313                 'display_id': 'the-atomic-artists',
314                 'ext': 'mp4',
315                 'title': 'FRONTLINE - The Atomic Artists',
316                 'description': 'md5:1a2481e86b32b2e12ec1905dd473e2c1',
317                 'duration': 723,
318                 'thumbnail': 're:^https?://.*\.jpg$',
319             },
320             'params': {
321                 'skip_download': True,  # requires ffmpeg
322             },
323         },
324         {
325             # Serves hd only via wigget/partnerplayer page
326             'url': 'http://www.pbs.org/video/2365641075/',
327             'md5': 'acfd4c400b48149a44861cb16dd305cf',
328             'info_dict': {
329                 'id': '2365641075',
330                 'ext': 'mp4',
331                 'title': 'FRONTLINE - Netanyahu at War',
332                 'duration': 6852,
333                 'thumbnail': 're:^https?://.*\.jpg$',
334                 'formats': 'mincount:8',
335             },
336         },
337         {
338             'url': 'http://player.pbs.org/widget/partnerplayer/2365297708/?start=0&end=0&chapterbar=false&endscreen=false&topbar=true',
339             'only_matching': True,
340         },
341         {
342             'url': 'http://watch.knpb.org/video/2365616055/',
343             'only_matching': True,
344         }
345     ]
346     _ERRORS = {
347         101: 'We\'re sorry, but this video is not yet available.',
348         403: 'We\'re sorry, but this video is not available in your region due to right restrictions.',
349         404: 'We are experiencing technical difficulties that are preventing us from playing the video at this time. Please check back again soon.',
350         410: 'This video has expired and is no longer available for online streaming.',
351     }
352
353     def _extract_webpage(self, url):
354         mobj = re.match(self._VALID_URL, url)
355
356         presumptive_id = mobj.group('presumptive_id')
357         display_id = presumptive_id
358         if presumptive_id:
359             webpage = self._download_webpage(url, display_id)
360
361             upload_date = unified_strdate(self._search_regex(
362                 r'<input type="hidden" id="air_date_[0-9]+" value="([^"]+)"',
363                 webpage, 'upload date', default=None))
364
365             # tabbed frontline videos
366             MULTI_PART_REGEXES = (
367                 r'<div[^>]+class="videotab[^"]*"[^>]+vid="(\d+)"',
368                 r'<a[^>]+href=["\']#video-\d+["\'][^>]+data-coveid=["\'](\d+)',
369             )
370             for p in MULTI_PART_REGEXES:
371                 tabbed_videos = re.findall(p, webpage)
372                 if tabbed_videos:
373                     return tabbed_videos, presumptive_id, upload_date
374
375             MEDIA_ID_REGEXES = [
376                 r"div\s*:\s*'videoembed'\s*,\s*mediaid\s*:\s*'(\d+)'",  # frontline video embed
377                 r'class="coveplayerid">([^<]+)<',                       # coveplayer
378                 r'<section[^>]+data-coveid="(\d+)"',                    # coveplayer from http://www.pbs.org/wgbh/frontline/film/real-csi/
379                 r'<input type="hidden" id="pbs_video_id_[0-9]+" value="([0-9]+)"/>',  # jwplayer
380             ]
381
382             media_id = self._search_regex(
383                 MEDIA_ID_REGEXES, webpage, 'media ID', fatal=False, default=None)
384             if media_id:
385                 return media_id, presumptive_id, upload_date
386
387             # Fronline video embedded via flp
388             video_id = self._search_regex(
389                 r'videoid\s*:\s*"([\d+a-z]{7,})"', webpage, 'videoid', default=None)
390             if video_id:
391                 # pkg_id calculation is reverse engineered from
392                 # http://www.pbs.org/wgbh/pages/frontline/js/flp2012.js
393                 prg_id = self._search_regex(
394                     r'videoid\s*:\s*"([\d+a-z]{7,})"', webpage, 'videoid')[7:]
395                 if 'q' in prg_id:
396                     prg_id = prg_id.split('q')[1]
397                 prg_id = int(prg_id, 16)
398                 getdir = self._download_json(
399                     'http://www.pbs.org/wgbh/pages/frontline/.json/getdir/getdir%d.json' % prg_id,
400                     presumptive_id, 'Downloading getdir JSON',
401                     transform_source=strip_jsonp)
402                 return getdir['mid'], presumptive_id, upload_date
403
404             for iframe in re.findall(r'(?s)<iframe(.+?)></iframe>', webpage):
405                 url = self._search_regex(
406                     r'src=(["\'])(?P<url>.+?partnerplayer.+?)\1', iframe,
407                     'player URL', default=None, group='url')
408                 if url:
409                     break
410
411             mobj = re.match(self._VALID_URL, url)
412
413         player_id = mobj.group('player_id')
414         if not display_id:
415             display_id = player_id
416         if player_id:
417             player_page = self._download_webpage(
418                 url, display_id, note='Downloading player page',
419                 errnote='Could not download player page')
420             video_id = self._search_regex(
421                 r'<div\s+id="video_([0-9]+)"', player_page, 'video ID')
422         else:
423             video_id = mobj.group('id')
424             display_id = video_id
425
426         return video_id, display_id, None
427
428     def _real_extract(self, url):
429         video_id, display_id, upload_date = self._extract_webpage(url)
430
431         if isinstance(video_id, list):
432             entries = [self.url_result(
433                 'http://video.pbs.org/video/%s' % vid_id, 'PBS', vid_id)
434                 for vid_id in video_id]
435             return self.playlist_result(entries, display_id)
436
437         info = None
438         redirects = []
439         redirect_urls = set()
440
441         def extract_redirect_urls(info):
442             for encoding_name in ('recommended_encoding', 'alternate_encoding'):
443                 redirect = info.get(encoding_name)
444                 if not redirect:
445                     continue
446                 redirect_url = redirect.get('url')
447                 if redirect_url and redirect_url not in redirect_urls:
448                     redirects.append(redirect)
449                     redirect_urls.add(redirect_url)
450
451         try:
452             video_info = self._download_json(
453                 'http://player.pbs.org/videoInfo/%s?format=json&type=partner' % video_id,
454                 display_id, 'Downloading video info JSON')
455             extract_redirect_urls(video_info)
456             info = video_info
457         except ExtractorError as e:
458             # videoInfo API may not work for some videos
459             if not isinstance(e.cause, compat_HTTPError) or e.cause.code != 404:
460                 raise
461
462         # Player pages may also serve different qualities
463         for page in ('widget/partnerplayer', 'portalplayer'):
464             player = self._download_webpage(
465                 'http://player.pbs.org/%s/%s' % (page, video_id),
466                 display_id, 'Downloading %s page' % page, fatal=False)
467             if player:
468                 video_info = self._parse_json(
469                     self._search_regex(
470                         r'(?s)PBS\.videoData\s*=\s*({.+?});\n',
471                         player, '%s video data' % page, default='{}'),
472                     display_id, transform_source=js_to_json, fatal=False)
473                 if video_info:
474                     extract_redirect_urls(video_info)
475                     if not info:
476                         info = video_info
477
478         formats = []
479         http_url = None
480         for num, redirect in enumerate(redirects):
481             redirect_id = redirect.get('eeid')
482
483             redirect_info = self._download_json(
484                 '%s?format=json' % redirect['url'], display_id,
485                 'Downloading %s video url info' % (redirect_id or num))
486
487             if redirect_info['status'] == 'error':
488                 raise ExtractorError(
489                     '%s said: %s' % (
490                         self.IE_NAME,
491                         self._ERRORS.get(redirect_info['http_code'], redirect_info['message'])),
492                     expected=True)
493
494             format_url = redirect_info.get('url')
495             if not format_url:
496                 continue
497
498             if determine_ext(format_url) == 'm3u8':
499                 formats.extend(self._extract_m3u8_formats(
500                     format_url, display_id, 'mp4', m3u8_id='hls', fatal=False))
501             else:
502                 formats.append({
503                     'url': format_url,
504                     'format_id': redirect_id,
505                 })
506                 if re.search(r'^https?://.*(?:\d+k|baseline)', format_url):
507                     http_url = format_url
508         self._remove_duplicate_formats(formats)
509         m3u8_formats = list(filter(
510             lambda f: f.get('protocol') == 'm3u8' and f.get('vcodec') != 'none' and f.get('resolution') != 'multiple',
511             formats))
512         if http_url:
513             for m3u8_format in m3u8_formats:
514                 bitrate = self._search_regex(r'(\d+k)', m3u8_format['url'], 'bitrate', default=None)
515                 # extract only the formats that we know that they will be available as http format.
516                 # https://projects.pbs.org/confluence/display/coveapi/COVE+Video+Specifications
517                 if not bitrate or bitrate not in ('400k', '800k', '1200k', '2500k'):
518                     continue
519                 f = m3u8_format.copy()
520                 f.update({
521                     'url': re.sub(r'\d+k|baseline', bitrate, http_url),
522                     'format_id': m3u8_format['format_id'].replace('hls', 'http'),
523                     'protocol': 'http',
524                 })
525                 formats.append(f)
526         self._sort_formats(formats)
527
528         rating_str = info.get('rating')
529         if rating_str is not None:
530             rating_str = rating_str.rpartition('-')[2]
531         age_limit = US_RATINGS.get(rating_str)
532
533         subtitles = {}
534         closed_captions_url = info.get('closed_captions_url')
535         if closed_captions_url:
536             subtitles['en'] = [{
537                 'ext': 'ttml',
538                 'url': closed_captions_url,
539             }]
540             mobj = re.search(r'/(\d+)_Encoded\.dfxp', closed_captions_url)
541             if mobj:
542                 ttml_caption_suffix, ttml_caption_id = mobj.group(0, 1)
543                 ttml_caption_id = int(ttml_caption_id)
544                 subtitles['en'].extend([{
545                     'url': closed_captions_url.replace(
546                         ttml_caption_suffix, '/%d_Encoded.srt' % (ttml_caption_id + 1)),
547                     'ext': 'srt',
548                 }, {
549                     'url': closed_captions_url.replace(
550                         ttml_caption_suffix, '/%d_Encoded.vtt' % (ttml_caption_id + 2)),
551                     'ext': 'vtt',
552                 }])
553
554         # info['title'] is often incomplete (e.g. 'Full Episode', 'Episode 5', etc)
555         # Try turning it to 'program - title' naming scheme if possible
556         alt_title = info.get('program', {}).get('title')
557         if alt_title:
558             info['title'] = alt_title + ' - ' + re.sub(r'^' + alt_title + '[\s\-:]+', '', info['title'])
559
560         return {
561             'id': video_id,
562             'display_id': display_id,
563             'title': info['title'],
564             'description': info.get('description') or info.get('program', {}).get('description'),
565             'thumbnail': info.get('image_url'),
566             'duration': int_or_none(info.get('duration')),
567             'age_limit': age_limit,
568             'upload_date': upload_date,
569             'formats': formats,
570             'subtitles': subtitles,
571         }