Weekly backup.

20220530080115-youtube.org

@@ -0,0 +1,52 @@
+:PROPERTIES:
+:ID:       8e30289a-0064-4803-ae64-2e1d8285dd3c
+:mtime:    20220530091227
+:ctime:    20220530080115
+:END:
+#+title: Youtube
+
+* Introduction
+Est-ce nécessaire ?
+
+* Obtenir l'id d'un /channel/ afin de s'abonner à son flux RSS
+#+BEGIN_SRC python :results output verbatim
+# pip install scrapy
+
+from scrapy import Spider, Request
+from scrapy.crawler import CrawlerProcess
+from scrapy.utils.log import configure_logging
+
+
+class YoutubeChannelIdSpider(Spider):
+    name = "youtube_channel"
+    allowed_domains = ['youtube.com']
+
+    def __init__(self, channel, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.channel = channel
+        self.url = f'https://www.youtube.com/c/{channel}'
+
+    def start_requests(self):
+        yield Request(url=self.url, callback=self.parse, cookies={'CONSENT': 'YES+1'})
+
+    def parse(self, response):
+        if channel_id := response.xpath('//meta[@itemprop="channelId"]/@content').get():
+            print(f'{self.channel} channel ID is : "{channel_id}"')
+        else:
+            print(f'Unable to find ID for channel {self.channel}')
+
+channel = input("What's the Youtube channel for which the ID shall be retrieved ?")
+
+process = CrawlerProcess()
+process.crawl(YoutubeChannelIdSpider, channel=channel)
+process.start() # the script will block here until the crawling is finished
+#+END_SRC
+
+#+RESULTS:
+: AAAAAAAAAAAAAAAAAAAAAAAAA
+: url = 'https://www.youtube.com/c/Matrixdotorg/'
+
+* Références
+ * [[https://docs.scrapy.org/en/latest/index.html][Docs - Scrapy]]
+ * [[https://danielmiessler.com/blog/rss-feed-youtube-channel/][Rss feed youtube channel - Daniel Miessler]]
+ * [[https://commentpicker.com/youtube-channel-id.php#youtube-channel-id][Comment Picker]]