fix(backup): support codeblocks

backup/backup.py

@@ -6,6 +6,7 @@
 # |_____/ \___|\__,_|___/ \_/\_/ |_|_| |_| |_|_| |_| |_|\___|_|
 
 import json
+import re
 
 from redbot.core import commands
 from redbot.core.bot import Red
@@ -63,7 +64,7 @@ class Backup(commands.Cog):
         if export is None and not len(ctx.message.attachments) == 0:
             export = await ctx.message.attachments[0].read()
         try:
-            export = json.loads(export)
+            export = json.loads(self.extract_json_from_codeblock(export))
         except json.JSONDecodeError:
             await ctx.send(error("Please provide a valid JSON export."))
             return
@@ -72,3 +73,10 @@ class Backup(commands.Cog):
         if downloader is None:
             await ctx.send(error(f"You do not have the `Downloader` cog loaded. Please run `{ctx.prefix}load downloader` and try again."))
             return
+
+    def extract_json_from_codeblock(text):
+        match = re.match(r"```(?:\w+)?\n(.*?)\n```", text, re.DOTALL)
+        if match:
+            return match.group(1).strip()
+        else:
+            return text