First commit

core/global_checks.py

@@ -0,0 +1,30 @@
+def init_global_checks(bot):
+
+    @bot.check
+    async def global_perms(ctx):
+        if await bot.is_owner(ctx.author):
+            return True
+
+        if bot.db.get_global("whitelist", []):
+            return ctx.author.id in bot.db.get_global("whitelist", [])
+
+        return ctx.author.id not in bot.db.get_global("blacklist", [])
+
+    @bot.check
+    async def local_perms(ctx):
+        if await bot.is_owner(ctx.author):
+            return True
+        elif ctx.message.guild is None:
+            return True
+        guild_perms = bot.db.get_all(ctx.guild, {})
+        local_blacklist = guild_perms.get("blacklist", [])
+        local_whitelist = guild_perms.get("whitelist", [])
+
+        if local_whitelist:
+            return ctx.author.id in local_whitelist
+
+        return ctx.author.id not in local_blacklist
+
+    @bot.check
+    async def bots(ctx):
+        return not ctx.author.bot