Data API Complicance (Red 3.4) (#136)

* Simple ones first

* Less simple but still simple.

* Slightly more complicated

* use correct name

* move to module

* Black -l 120

* review

* give users the proper feedback

Co-authored-by: aikaterna <20862007+aikaterna@users.noreply.github.com>

chatchart/__init__.py

@@ -1,5 +1,7 @@
 from .chatchart import Chatchart
 
+__red_end_user_data_statement__ = "This cog does not persistently store data or metadata about users."
+
 
 def setup(bot):
     bot.add_cog(Chatchart(bot))

chatchart/chatchart.py

@@ -5,7 +5,6 @@
 #  Thanks to violetnyte for suggesting this cog.
 import discord
 import heapq
-import os
 from io import BytesIO
 from typing import Optional
 import matplotlib
@@ -20,6 +19,10 @@ from redbot.core import commands
 class Chatchart(commands.Cog):
     """Show activity."""
 
+    async def red_delete_data_for_user(self, **kwargs):
+        """ Nothing to delete """
+        return
+
     def __init__(self, bot):
         self.bot = bot
 
@@ -85,7 +88,7 @@ class Chatchart(commands.Cog):
         """
         Generates a pie chart, representing the last 5000 messages in the specified channel.
         """
-        e = discord.Embed(description="Loading...", colour=0x00ccff)
+        e = discord.Embed(description="Loading...", colour=0x00CCFF)
         e.set_thumbnail(url="https://i.imgur.com/vSp4xRk.gif")
         em = await ctx.send(embed=e)
 
@@ -119,9 +122,9 @@ class Chatchart(commands.Cog):
                 msg_data["users"][whole_name]["msgcount"] = 1
                 msg_data["total count"] += 1
 
-        if msg_data['users'] == {}:
+        if msg_data["users"] == {}:
             await em.delete()
-            return await ctx.message.channel.send(f'Only bots have sent messages in {channel.mention}')
+            return await ctx.message.channel.send(f"Only bots have sent messages in {channel.mention}")
 
         for usr in msg_data["users"]:
             pd = float(msg_data["users"][usr]["msgcount"]) / float(msg_data["total count"])
@@ -129,12 +132,7 @@ class Chatchart(commands.Cog):
 
         top_ten = heapq.nlargest(
             20,
-            [
-                (x, msg_data["users"][x][y])
-                for x in msg_data["users"]
-                for y in msg_data["users"][x]
-                if y == "percent"
-            ],
+            [(x, msg_data["users"][x][y]) for x in msg_data["users"] for y in msg_data["users"][x] if y == "percent"],
             key=lambda x: x[1],
         )
         others = 100 - sum(x[1] for x in top_ten)

chatchart/info.json

@@ -14,5 +14,6 @@
 	"requirements": [
 		"matplotlib"
 	],
-	"type": "COG"
+	"type": "COG",
+	"end_user_data_statement": "This cog does not persistently store data or metadata about users."
 }