[YouTube] Backport from v3

youtube/info.json

@@ -0,0 +1,7 @@
+{
+    "AUTHOR" : "Paddolicious#8880 and aikaterna#1393",
+    "NAME" : "youtube",
+    "SHORT" : "Look up videos on YouTube.",
+    "DESCRIPTION" : "Look up videos on YouTube.",
+    "TAGS": ["youtube"]
+}

youtube/youtube.py

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+from discord.ext import commands
+import aiohttp
+import re
+
+
+class YouTube:
+    """Le YouTube Cog"""
+    def __init__(self, bot):
+        self.bot = bot
+        self.session = aiohttp.ClientSession()
+
+    async def _youtube_results(self, query: str):
+        try:
+            headers = {"user-agent": "Red-cog/2.0"}
+            async with self.session.get("https://www.youtube.com/results", params={"search_query": query}, headers=headers) as r:
+                result = await r.text()
+            yt_find = re.findall(r"{\"videoId\":\"(.{11})", result)
+            url_list = []
+            for track in yt_find:
+                url = "https://www.youtube.com/watch?v={}".format(track)
+                if url not in url_list:
+                    url_list.append(url)
+
+        except Exception as e:
+            url_list = ["Something went terribly wrong! [{}]".format(e)]
+
+        return url_list
+
+    @commands.command()
+    async def youtube(self, ctx, *, query: str):
+        """Search on Youtube."""
+        result = await self._youtube_results(query)
+        if result:
+            await self.bot.say(result[0])
+        else:
+            await self.bot.say("Nothing found. Try again later.")
+
+
+def setup(bot):
+    n = YouTube(bot)
+    bot.add_cog(n)