Added Wolfram!

cogs/fun/wolfram.py

@@ -0,0 +1,27 @@
+import discord
+from discord.ext import commands
+from wolframclient.evaluation import WolframLanguageSession
+from wolframclient.language import wl, wlexpr
+from util import embed
+
+class WolframAlpha(commands.Cog):
+    def __init__(self, client):
+        self.client = client
+        self.session = WolframLanguageSession()
+
+    def __del__(self):
+        self.session.terminate()
+
+    @commands.command(name="WolframLanguage", description="Evaluates WolframLanguage expressions (Not to be confused with WolframAlpha!)", usage="WolframLanguage <expression>", aliases=["wl"])
+    async def WolframLanguage(self, ctx, *expr):
+        msg = await ctx.send(embed=embed.make_embed("WolframLanguage", "Thinking..."))
+        expr = " ".join(expr)
+        evaluate = self.session.evaluate(expr)
+
+        self.session.evaluate(wl.Export("eval.png", evaluate, "PNG"))
+        await msg.delete()
+        data = embed.make_embed_image("Result", "eval.png")
+        await ctx.send(embed=data[0], file=data[1])
+
+def setup(client):
+    client.add_cog(WolframAlpha(client))