From 656ac2d097c4d4c5d9a01e7ffcd7ec751afbfd9b Mon Sep 17 00:00:00 2001
From: Philipp Wolfer <ph.wolfer@gmail.com>
Date: Fri, 3 Jul 2020 15:49:08 +0200
Subject: [PATCH] PICARD-1867: Handle errors in guess_format

---
 picard/file.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/picard/file.py b/picard/file.py
index 529827e0b..63f3823af 100644
--- a/picard/file.py
+++ b/picard/file.py
@@ -183,7 +183,12 @@ class File(QtCore.QObject, Item):
 
             # If loading failed, force format guessing and try loading again
             from picard.formats.util import guess_format
-            alternative_file = guess_format(self.base_filename)
+            try:
+                alternative_file = guess_format(self.filename)
+            except (FileNotFoundError, OSError):
+                log.error("Guessing format of %s failed", self.filename, exc_info=True)
+                alternative_file = None
+
             if alternative_file:
                 # Do not retry reloading exactly the same file format
                 if type(alternative_file) != type(self):  # pylint: disable=unidiomatic-typecheck