plugins.niconicochannelplus: add support for "nicochannel.jp"

src/streamlink/plugins/niconicochannelplus.py

@@ -0,0 +1,67 @@
+"""
+$description NicoNico Channel Plus (nicochannel+) is a new feature of Niconico Channel.
+$url nicochannel.jp
+$type vod
+$account Not required. Full-length videos are accessible.
+$notes Downloading non-free content is not recommended.
+"""
+
+import json
+import logging
+import re
+
+from streamlink.plugin import Plugin, pluginmatcher
+from streamlink.plugin.api import HTTPSession
+from streamlink.stream.hls import HLSStream
+
+log = logging.getLogger(__name__)
+
+
+@pluginmatcher(
+    re.compile(
+        r'^https?://nicochannel\.jp/(?P<channel>[a-z0-9_-]+)/video/(?P<id>sm[a-zA-Z0-9]+)$'
+    )
+)
+class NicoNicoChannelPlus(Plugin):
+    def get_video_page_info(self, http: HTTPSession, video_id: str) -> dict:
+        video_page_json = json.loads(
+            http.get(
+                url=f'https://nfc-api.nicochannel.jp/fc/video_pages/{video_id}',
+            ).content
+        )['data']['video_page']
+
+        return video_page_json
+
+    def get_master_playlist_url(self, http: HTTPSession, video_id: str) -> str:
+        session_id = json.loads(
+            http.post(
+                url=f'https://nfc-api.nicochannel.jp/fc/video_pages/{video_id}/session_ids',
+                data=str({}).encode('ascii'),
+                headers={
+                    'content-type': 'application/json',
+                }
+            ).content
+        )['data']['session_id']
+
+        return f'https://hls-auth.cloud.stream.co.jp/auth/index.m3u8?session_id={session_id}'
+
+    def _get_streams(self):
+        self.id = self.match.group('id')
+        self.author = self.match.group('channel')
+
+        video_info = self.get_video_page_info(self.session.http, self.id)
+        playlist_url = self.get_master_playlist_url(self.session.http, self.id)
+
+        self.title = video_info['title']
+
+        log.info(f'ID:      {self.id}')
+        log.info(f'Channel: {self.author}')
+        log.info(f'Title:   {self.title}')
+
+        for name, stream in HLSStream.parse_variant_playlist(
+            self.session, playlist_url
+        ).items():
+            yield name, stream
+
+
+__plugin__ = NicoNicoChannelPlus

tests/plugins/test_niconicochannelplus.py

@@ -0,0 +1,76 @@
+from streamlink.plugins.niconicochannelplus import NicoNicoChannelPlus
+from tests.plugins import PluginCanHandleUrl
+
+
+class TestPluginCanHandleUrlNicoNicoChannelPlus(PluginCanHandleUrl):
+    __plugin__ = NicoNicoChannelPlus
+
+    should_match = [
+        # normal channel name.
+        'https://nicochannel.jp/olchannel/video/smq9UriUQ9PU65jTjVxh2PVo',
+
+        # numbers in channel name.
+        'https://nicochannel.jp/dateno8noba/video/smVGqtKpdmva4Mcrw7rbeQ8Y',
+
+        # hyphens in channel name.
+        'https://nicochannel.jp/mimimoto-ayaka/video/smRS96YpmDJr24YpWFZziG4L',
+
+        # underscores in channel name.
+        'https://nicochannel.jp/sakaguchi_kugimiya/video/smnSFttxbkjZDBwZMMj8CgsJ',
+    ]
+
+    should_match_groups = [
+        (
+            'https://nicochannel.jp/olchannel/video/smq9UriUQ9PU65jTjVxh2PVo',
+            {
+                'id': 'smq9UriUQ9PU65jTjVxh2PVo',
+                'channel': 'olchannel',
+            }
+        ),
+        (
+            'https://nicochannel.jp/dateno8noba/video/smVGqtKpdmva4Mcrw7rbeQ8Y',
+            {
+                'id': 'smVGqtKpdmva4Mcrw7rbeQ8Y',
+                'channel': 'dateno8noba',
+            }
+        ),
+        (
+            'https://nicochannel.jp/mimimoto-ayaka/video/smRS96YpmDJr24YpWFZziG4L',
+            {
+                'id': 'smRS96YpmDJr24YpWFZziG4L',
+                'channel': 'mimimoto-ayaka',
+            }
+        ),
+        (
+            'https://nicochannel.jp/sakaguchi_kugimiya/video/smnSFttxbkjZDBwZMMj8CgsJ',
+            {
+                'id': 'smnSFttxbkjZDBwZMMj8CgsJ',
+                'channel': 'sakaguchi_kugimiya',
+            }
+        ),
+    ]
+
+    should_not_match = [
+        # Niconico Channel Plus
+        #   portal
+        'https://portal.nicochannel.jp/',
+        #   channel home pages
+        'https://nicochannel.jp/example',
+        #   channel live list
+        'https://nicochannel.jp/example/lives',
+        #   channel video list
+        'https://nicochannel.jp/example/videos',
+        #   invalid urls
+        'https://nicochannel.jp/'
+        'https://nicochannel.jp/example/live',
+        'https://nicochannel.jp/example/video',
+        #   live urls (move it to "should_match*" if the plugin supports live-streaming)
+        'https://nicochannel.jp/example/live/sm3Xample',
+
+        # Niconico Channel
+        #   portal
+        'https://ch.nicovideo.jp/',
+        #   channel home pages
+        'https://ch.nicovideo.jp/ch0000000',
+        'https://ch.nicovideo.jp/example',
+    ]