bots: Refactor Youtube bot.

zulip_bots/zulip_bots/bots_unmaintained/youtube/doc.md

@@ -1,11 +0,0 @@
-# Youtube bot
-
-Youtube bot is a Zulip bot that can fetch first video from youtube
-search results for a specified term. To use youtube bot you can simply
-call it with `@mention-bot` followed by a command. Like this:
-
-```
-@mention-bot <search term>
-```
-
-![example usage](assets/screen.png)

zulip_bots/zulip_bots/bots_unmaintained/youtube/youtube.py

@@ -1,31 +0,0 @@
-# See readme.md for instructions on running this bot.
-import requests
-from bs4 import BeautifulSoup
-
-class YoutubeHandler(object):
-    def usage(self):
-        return '''
-            This bot will return the first Youtube search result for the give query.
-            '''
-
-    def handle_message(self, message, bot_handler):
-        help_content = '''
-            To use the, Youtube Bot send `@mention-bot search terms`
-            Example:
-            @mention-bot funny cats
-            '''.strip()
-        if message['content'] == '':
-            bot_handler.send_reply(message, help_content)
-        else:
-            text_to_search = message['content']
-            url = "https://www.youtube.com/results?search_query=" + text_to_search
-            r = requests.get(url)
-            soup = BeautifulSoup(r.text, 'lxml')
-            video_id = soup.find(attrs={'class': 'yt-uix-tile-link'})
-            try:
-                link = 'https://www.youtube.com' + video_id['href']
-                bot_handler.send_reply(message, link)
-            except TypeError:
-                bot_handler.send_reply(message, 'No video found for specified search terms')
-
-handler_class = YoutubeHandler