From a3e318d4e5ec0ac61acddea0d7e9d44d605ee69e Mon Sep 17 00:00:00 2001
From: Robert <Robert-Altner@t-online.de>
Date: Sun, 12 Jan 2020 17:32:24 +0100
Subject: [PATCH] added math

---
 cogs/fun/math.py | 20 ++++++++++++++++++++
 cogs/help.py     |  1 +
 2 files changed, 21 insertions(+)
 create mode 100644 cogs/fun/math.py

diff --git a/cogs/fun/math.py b/cogs/fun/math.py
new file mode 100644
index 0000000..6c92e54
--- /dev/null
+++ b/cogs/fun/math.py
@@ -0,0 +1,20 @@
+import discord
+from discord.ext import commands
+from sympy import preview
+from util import embed
+
+class Math(commands.Cog):
+
+    def __init__(self, client: discord.Client):
+        self.client = client
+
+    @commands.command(name="latex", description="Transforms a latex(math!) expression to an image", usage="latex <latex>", aliases=["lat", "tex", "l"])
+    @commands.cooldown(1, 5)
+    async def latex(self, ctx: commands.Context, *expr: str):
+        preview(f"$${' '.join(expr)}$$", viewer='file', filename='latex.png', euler=False)
+        result = embed.make_embed_image("LaTeX", "latex.png")
+        await ctx.send(embed=result[0], file=result[1])
+
+
+def setup(client: discord.Client):
+    client.add_cog(Math(client))
\ No newline at end of file
diff --git a/cogs/help.py b/cogs/help.py
index d2a28e2..257a67a 100644
--- a/cogs/help.py
+++ b/cogs/help.py
@@ -72,6 +72,7 @@ class Help(commands.MinimalHelpCommand):
 
         for cog, cog_commands in mapping.items():
             cmds = cmds + cog_commands
+            cog = cog # Just so that the warning goes away
 
         newCmds = []
         for item in cmds: