From c7311b3b26f516bfc39cebc8f54dad735bb09cf0 Mon Sep 17 00:00:00 2001
From: Philipp Wolfer <ph.wolfer@googlemail.com>
Date: Sun, 15 Mar 2009 23:20:19 +0100
Subject: [PATCH] Preserve file information (bitrate, extension etc.) on
 saving. Fixes #3236

---
 picard/file.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/picard/file.py b/picard/file.py
index 13f494fb9..a0fc74f8a 100644
--- a/picard/file.py
+++ b/picard/file.py
@@ -173,8 +173,14 @@ class File(LockableObject, Item):
             self.state = File.NORMAL
             self.filename = new_filename = result
             length = self.orig_metadata.length
+            temp_info = {}
+            for info in ('~#bitrate', '~#sample_rate', '~#channels',
+                         '~#bits_per_sample', '~format', '~extension'):
+                temp_info[info] = self.orig_metadata[info]
             self.orig_metadata.copy(self.metadata)
             self.orig_metadata.length = length
+            for k, v in temp_info.items():
+                self.orig_metadata[k] = v
             self.metadata.changed = False
         self.update()
         return self, old_filename, new_filename