From e34ff9593365e63da9566f09bd4947f78a7daf77 Mon Sep 17 00:00:00 2001
From: Rob Browning <rlb@defaultvalue.org>
Date: Sun, 14 Aug 2022 13:29:59 -0500
Subject: [PATCH] Metadata: specify __slots__

We're likely to have a lot of these, so might as well save the memory.

Signed-off-by: Rob Browning <rlb@defaultvalue.org>
Tested-by: Rob Browning <rlb@defaultvalue.org>
---
 lib/bup/metadata.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/bup/metadata.py b/lib/bup/metadata.py
index 83f04f7..7e8329c 100644
--- a/lib/bup/metadata.py
+++ b/lib/bup/metadata.py
@@ -711,6 +711,9 @@ class Metadata:
                     raise
 
     def __init__(self):
+        __slots__ = ('mode', 'uid', 'atime', 'mtime', 'ctime',
+                     'path', 'size', 'symlink_target', 'hardlink_target',
+                     'linux_attr', 'linux_xattr', 'posix1e_acl')
         self.mode = self.uid = self.gid = self.user = self.group = None
         self.atime = self.mtime = self.ctime = None
         # optional members
-- 
2.39.2