Re-add botconfig.ADMINS and ADMINS_ACCOUNTS

Still considered legacy/backwards-compat code, so giving out +F flags
should be preferred, but now wildcard admins are possible again.

src/decorators.py

@@ -189,7 +189,7 @@ class cmd:
             return
 
         flags = var.FLAGS[hostmask] + var.FLAGS_ACCS[acc]
-        is_full_admin = "F" in flags
+        is_full_admin = var.is_admin(nick, ident, host)
         if self.flag and (is_full_admin or is_owner):
             adminlog(chan, rawnick, self.name, rest)
             return self.func(*largs)

src/settings.py

@@ -377,7 +377,27 @@ def is_admin(nick, ident=None, host=None, acc=None):
             acc = USERS[nick]["account"]
     hostmask = nick + "!" + ident + "@" + host
     flags = FLAGS[hostmask] + FLAGS_ACCS[acc]
-    return "F" in flags
+
+    if not "F" in flags:
+        try:
+            hosts = set(botconfig.ADMINS)
+            accounts = set(botconfig.ADMINS_ACCOUNTS)
+
+            if not DISABLE_ACCOUNTS and acc and acc != "*":
+                for pattern in accounts:
+                    if fnmatch.fnmatch(acc.lower(), pattern.lower()):
+                        return True
+
+            if host:
+                for hostmask in hosts:
+                    if match_hostmask(hostmask, nick, ident, host):
+                        return True
+        except AttributeError:
+            pass
+
+        return is_owner(nick, ident, host, acc)
+
+    return True
 
 def irc_lower(nick):
     mapping = {