First working bot.

.gitignore

@@ -152,6 +152,9 @@ dmypy.json
 # Cython debug symbols
 cython_debug/
 
+compose.yml
+.idea/
+
 # PyCharm
 #  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
 #  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore

.idea/.gitignore

@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

Dockerfile

@@ -0,0 +1,10 @@
+FROM python:3.11.6
+
+WORKDIR /usr/src/units
+
+COPY requiremtns.txt .
+RUN pip install -r requirements.com
+
+COPY bot.py .
+
+CMD ["python", "bot.py"]

bot.py

@@ -0,0 +1,51 @@
+import os
+from urllib.parse import urlparse, parse_qs
+from contextlib import suppress
+import discord
+from discord.ext import commands
+import re
+
+intents = discord.Intents.default()
+intents.members = True
+intents.message_content = True
+
+bot = commands.Bot(command_prefix='?', intents=intents)
+
+PIPED_URL = os.getenv('PIPED_URL')
+DISCORD_TOKEN = os.getenv('DISCORD_TOKEN')
+
+
+@bot.event
+async def on_ready():
+    print("Ready!")
+
+
+@bot.event
+async def on_message(message):
+    regex = re.compile(
+        r'https://(music\.)?(www\.)?youtu(be)?\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_+.~#?&/=]*)')
+
+    result = regex.search(message.content)
+    if result is not None:
+        youtube_url = result.group(0)
+        video_id = await get_youtube_id(youtube_url)
+
+        if video_id is not None:
+            await message.reply(f"I think you meant {PIPED_URL}{video_id}.", mention_author=False)
+
+
+async def get_youtube_id(url: str, ignore_playlist=True) -> str:
+    query = urlparse(url)
+    if query.hostname == 'youtu.be': return query.path[1:]
+    if query.hostname in {'www.youtube.com', 'youtube.com', 'music.youtube.com'}:
+        if not ignore_playlist:
+            # use case: get playlist id not current video in playlist
+            with suppress(KeyError):
+                return parse_qs(query.query)['list'][0]
+        if query.path == '/watch': return parse_qs(query.query)['v'][0]
+        if query.path[:7] == '/watch/': return query.path.split('/')[1]
+        if query.path[:7] == '/embed/': return query.path.split('/')[2]
+        if query.path[:3] == '/v/': return query.path.split('/')[2]
+
+
+bot.run(DISCORD_TOKEN)

requiremtns.txt

@@ -0,0 +1,10 @@
+aiohttp==3.8.6
+aiosignal==1.3.1
+async-timeout==4.0.3
+attrs==23.1.0
+charset-normalizer==3.3.2
+discord.py==2.3.2
+frozenlist==1.4.0
+idna==3.4
+multidict==6.0.4
+yarl==1.9.2