Make RSS OPML out of YouTube Subscriptions

export_opml.py

import json
from lxml import etree


BRIDGE = "https://sebsauvage.net/rss-bridge/?action=display&bridge=Youtube&context=By+channel+id&c=CHANNELID&format=Mrss"

with open("youtube.json", "r") as p:
    page = json.load(p)

opml = etree.Element("opml", version="1.0")
head = etree.SubElement(opml, "head")
etree.SubElement(head, "title").text = "YouTube Sub"

body = etree.SubElement(opml, "body")
parent = etree.SubElement(body, "outline", title="YouTube", text="YouTube")

for item in page["items"]:
    channel_id = item["snippet"]["resourceId"]["channelId"]
    title = item["snippet"]["title"]
    url = BRIDGE.replace("CHANNELID", channel_id)
    etree.SubElement(parent, "outline", title=title, text=title, type="rss", xmlUrl=url)

et = etree.ElementTree(opml)
et.write('output.opml', pretty_print=True)

OPML.md

1. Get your YouTube subscribed channels by Google API
2. Save it locally as youtube.json
3. Run export_opml.py to generate output.opml
4. Import generated OPML file in your RSS client