[skip ci]

[skip ci]

[skip ci]

* age restriction may cause DownloadError
* update obsolete test URLs
[skip ci]

* Use TVHTML5_SIMPLY_EMBEDDED_PLAYER client

* Also add and fix tests

* Introduce and use new utility function `update_url()`

* as reported in yt-dlp/yt-dlp#6149
* also allow newline in target JSON object

Consequently/also:
* centralise video data extraction
* detect 404 and 503 expected errors
* handle the test video in IGNVideo
* handle two additional page formats for the tests in IGNArticle

* support ITVX URLs (thanks Vangelis66)
* support legacy ITV Hub URLs
* include extraction fix 4c57dd2 from sleaux-meaux 3 May 2021
* include extraction fix 6fbcc16, fix by staubichsauger & pukkandan
* work-around duration parsing pending fix to utils.parse_duration
* apply default vanilla UA for pages and media to avoid site blocking
* also detect and report `Episode not found` instead of generic 404
* rework ITVBTCCIE with geo-block detection, best effort geo-restriction handling, news article support
* fix tests

NB download tests on CI servers blocked 

Co-authored-by: Alfonso Solbes <fonk666@gmail.com>

Co-authored-by: dirkf <fieldhouse@gmx.net>

Resolves #31336

Co-authored-by: Jouni Järvinen <rautamiekka@users.noreply.github.com>
Co-authored-by: dirkf <fieldhouse@gmx.net>

Co-authored-by: dirkf <fieldhouse@gmx.net>

* [pr0gramm] implement infoextractor

* [pr0gramm] remove misplaced comment, uncapture regex-group

* [pr0gramm]: specify utf-8 coding

* [pr0gramm]: add trailing comma to lists for maintainability

* [pr0gramm]: ie only sets upload_date attribute

* [pr0gramm]: add video_id to title

* [pr0gramm]: more forgiving _valid_url regex

* [pr0gramm]: add uploader to title, if set

* Discriminate URL pattern

---------

Co-authored-by: dirkf <fieldhouse@gmx.net>

Co-authored-by: dirkf <fieldhouse@gmx.net>

Resolves #31425 

Co-authored-by: dirkf <fieldhouse@gmx.net>

Also
* support new sites and URL patterns
* back-port from yt-dlp

Co-authored-by: dirkf <fieldhouse@gmx.net>

* support subset `... else if ...`
* support `while`
* add `RegExp` class
* generalise `new` support
* limited more debug strings
* matching test changes

Fix for yt-dlp/yt_dlp#6131
Closes #31509

* detect kt_player('kt_player', 'https://.../kt_player.swf?v=5...
* detect age limit if 18 USC 2257 is mentioned
* test with shooshtime.com

Partially resolves #31332.

* add ThisVidIE, ThisVidMemberIE, ThisVidPlaylistIE
* redirect embed to main page for more metadata
* use KVS extraction newly added to GenericIE and remove duplicate tests
* also add MrDeepFake etc compat to GenericIE
(closes #22390)

Co-authored-by: dirkf <fieldhouse@gmx.net>

* don't crash parser if jwplayer_data is invalid (empty, or no formats)
* use `label` in `sources[n]` as `format_id`
* relax `jwplayer().setup(...)` RE (also rework PR #27274 enhancement)
* detect more manifest formats in _parse_jwplayer_formats() (from PR #29596)
* improve metadata extraction (from PR #25433)
* remember URLs in a set
* use parse_resolution() in format
* extract filesize in format (from yt-dlp)

Co-authored-by: kikuyan <kikuyan@users.noreply.github.com>
Co-authored-by: martin54 <martin54@users.noreply.github.com>

* Merge back-port from yt-dlp
* Merge features from PR #29798
* Improve metadata extraction

Co-authored-by: dirkf <fieldhouse@gmx.net>
Co-authored by: AXDOOMER

* back-port extractor, removing CeskaTelevizePoradyIE
* follow redirect URL
* support liveBroadcast and videobonusDetail in __NEXT__ data
* return single video for singleton playlist
* fix/add tests

* Backport traverse_obj and closely related function from yt-dlp (code by pukkandan)
* Backport LazyList, variadic(), try_call (code by pukkandan)
* Recast using yt-dlp's newer traverse_obj() implementation and tests (code by grub4k)
* Add tests for Unicode case folding support matching Py3.5+ (requires f102e3dc)
* Improve/add tests for variadic, try_call, join_nonempty

Co-authored-by: dirkf <fieldhouse@gmx.net>

Resolves #31324.

Co-authored-by: dirkf <fieldhouse@gmx.net>

* add warnings for users outside of China
* skip empty song urls

Co-authored-by: dirkf <fieldhouse@gmx.net>