add extractor arg to filter for "key station only"

Programmes that air on a network of stations have an originating station-
a "key" station. e.g. for all night nippon the key station is ニッポン放送 (LFR)

radiko's new APIs include a key_station field.
I'd only seen such a field in the mobile-web site until now, so I
haven't been able do anything with it. But now the PC website's gotten
this "persons" API, so I can.

this arg is currently only useful for the new "persons" urls,
but i suspect it might become more useful as time goes on...

example usage:
you give the url for the host of a networked show,
the default will download from every station (probably not what you want)
but if you specify key-station-only, then you get just one download from
the originating station

i may add a "preference" argument at some point, for if you want it from
a specific non-key station, but not right now

1 files changed, 3 insertions, 0 deletions

diff --git a/yt_dlp_plugins/extractor/radiko.py b/yt_dlp_plugins/extractor/radiko.py
index a9f53f5..85a17c8 100644
--- a/yt_dlp_plugins/extractor/radiko.py
+++ b/yt_dlp_plugins/extractor/radiko.py
@@ -705,6 +705,9 @@ class RadikoPersonIE(InfoExtractor):
 
 		def entries():
 			for episode in person_api.get("data"):
+				if len(self._configuration_arg("key_station_only", ie_key="rajiko")) > 0:
+					if episode.get("key_station_id") != episode.get("station_id"):
+						continue
 
 				share_url = traverse_obj(episode, ("radiko_url", ("pc", "sp", "android", "ios", "app"),
 					{url_or_none}), get_all=False)