feat(backup): added the cog

backup/backup.py

@@ -0,0 +1,43 @@
+#   _____                         _
+#  / ____|                       (_)
+# | (___   ___  __ _ _____      ___ _ __ ___  _ __ ___   ___ _ __
+#  \___ \ / _ \/ _` / __\ \ /\ / / | '_ ` _ \| '_ ` _ \ / _ \ '__|
+#  ____) |  __/ (_| \__ \\ V  V /| | | | | | | | | | | |  __/ |
+# |_____/ \___|\__,_|___/ \_/\_/ |_|_| |_| |_|_| |_| |_|\___|_|
+
+import json
+import itertools
+
+from redbot.core import commands
+from redbot.core.bot import Red
+
+class Backup(commands.Cog):
+    """A utility to make reinstalling repositories and cogs after migrating the bot far easier."""
+
+    __author__ = "SeaswimmerTheFsh"
+    __version__ = "1.0.0"
+
+    def __init__(self, bot: Red):
+        super().__init__()
+        self.bot = bot
+
+    @commands.group(autohelp=True)
+    @commands.is_owner()
+    async def backup(self, ctx: commands.Context):
+        """Backup your installed cogs."""
+
+    @backup.command(name='export')
+    @commands.is_owner()
+    async def backup_export(self, ctx: commands.Context):
+        """Export your installed repositories and cogs to a file."""
+        downloader = ctx.bot.get_cog("Downloader")
+        if downloader is None:
+            await ctx.send(f"You do not have the `Downloader` cog loaded.\nPlease run `{ctx.prefix}load downloader` and try again.")
+            return
+        all_repos = list(downloader._repo_manager.repos)
+        repos_list = [[f"{i.name}", i.url] for i in all_repos]
+        cogs = await downloader.installed_cogs()
+        for cog, r in itertools.product(cogs, repos_list):
+            if cog.repo_name == list(r)[0]:
+                r.append(cog.name)
+        await ctx.send(json.dumps(repos_list, indent=4))