streaming-link-bot: import

streaming-link-bot/bot.py

@@ -0,0 +1,51 @@
+#!/usr/bin/env python
+
+from telegram import Update, ForceReply
+from telegram.ext import Application, CommandHandler, ContextTypes, MessageHandler, filters
+import os
+import re
+import requests
+import sys
+
+def convert_link(link: str) -> str:
+    if "spotify" in link:
+        to_service = "youtube_music"
+    elif "youtube" in link:
+        to_service = "spotify"
+        link = re.sub(r"//(www\.)?youtube.com", "//music.youtube.com", link)
+    else:
+        raise ValueError("Invalid streaming service: " + link)
+    print(f"Trying to convert {link}", file=sys.stderr)
+    r = requests.get(f'https://ytm2spotify.com/convert?url={link}&to_service={to_service}')
+    print(r.text, file=sys.stderr)
+    json = r.json()
+    print(json, file=sys.stderr)
+    return json["results"][0]["url"]
+
+async def start(update: Update, context: ContextTypes.DEFAULT_TYPE) -> None:
+    user = update.effective_user
+    await update.message.reply_html(
+        rf"Hi {user.mention_html()}! You can send me links to Spotify songs and I'll give you the link on YouTube Music—and vice versa.",
+        reply_markup=ForceReply(selective=True),
+    )
+
+async def streaming_link(update: Update, context: ContextTypes.DEFAULT_TYPE) -> None:
+    try:
+        converted = convert_link(update.message.text)
+        await update.message.reply_text(converted)
+    except Exception as e:
+        print(e, file=sys.stderr)
+        await update.message.reply_text("Cannot convert this.")
+
+def main(token: str) -> None:
+    application = Application.builder().token(token).build()
+    application.add_handler(CommandHandler("start", start))
+    application.add_handler(MessageHandler(filters.TEXT & ~filters.COMMAND, streaming_link))
+    application.run_polling(allowed_updates=Update.ALL_TYPES)
+
+if __name__ == "__main__":
+    token = os.getenv("TELEGRAM_TOKEN")
+    if token:
+        main(token)
+    else:
+        print("Missing TELEGRAM_TOKEN environment variable", file=sys.stderr)

streaming-link-bot/shell.nix

@@ -0,0 +1,11 @@
+{ pkgs ? import <nixpkgs> {} }:
+pkgs.mkShell {
+  packages = [
+    (pkgs.python3.withPackages (py: [
+      py.yt-dlp
+      py.spotipy
+      py.ytmusicapi
+      py.python-telegram-bot
+    ]))
+  ];
+}