wallpaper moved to isolated module

also allows !wallpaper help
see issue #7 for details

app/dragon-bot.py

@@ -8,6 +8,7 @@ import define_word
 import help_methods
 import discord
 import docker
+import wallpaper
 from pybooru import Danbooru
 
 # Client object
@@ -26,7 +27,7 @@ async def on_ready():
     print("\n********************************")
 
     await client.change_presence(game=discord.Game(name='Type !help to see how to use me'))
-    
+
     if debug:
         print("\nPress control+c to exit the bot")
         print("Followed by control+d or by typing")
@@ -192,17 +193,10 @@ async def on_message(message):
         # await client.send_message(message.channel, 'Deleted {} message(s)'.format(len(deleted)))
 
     if message.content.startswith('!wallpaper'):
-        url = 'https://source.unsplash.com/3840x2160/'
-        if len(message.content.split()) > 1:
-            keyword = message.content.split()[1]
-            url = "?".join((url, keyword))
-
-            if 'waifu' in keyword:
-                url = 'https://media0.giphy.com/media/C79RKZ7nOcK8U/giphy.gif'
-
-        results = requests.get(url).url
-        await client.send_message(message.channel, results)
-
+        await client.send_message(
+            message.channel,
+            wallpaper.getselect(message.content)
+    )
 
     ###################################
     ###### +-------------------+ ######

app/wallpaper.py

@@ -0,0 +1,29 @@
+import help_methods
+
+def getselect(select):
+    url = 'https://source.unsplash.com/3840x2160/'
+
+    if len(select.split()) > 2:
+        keyword = str(select.split('-'))
+        keyword = keyword.replace('[', '')
+        keyword = keyword.replace(']', '')
+        keyword = keyword.replace('\'', '')
+        keyword = keyword.replace(' ', '&')
+        keyword = keyword.replace('!wallpaper&', '')
+        #print(url)
+        url = "?".join((url, keyword))
+        if 'waifu' in keyword:
+            url = 'https://media0.giphy.com/media/C79RKZ7nOcK8U/giphy.gif'
+
+        return url
+
+    if len(select.split()) > 1:
+        keyword = select.split()[1]
+        #print (url)
+        url = "?".join((url, keyword))
+        if 'waifu' in keyword:
+            url = 'https://media0.giphy.com/media/C79RKZ7nOcK8U/giphy.gif'
+        if 'help' in keyword:
+            return help_methods.get_help_message('wallpaper')
+
+        return url