From e0630cadd345a1b368a2f552cbae08ac1e4da3c6 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sat, 5 Oct 2019 10:27:48 +0530
Subject: [PATCH] Viewer: Fix failing to open books if path to cache contains
 symbolic links. Fixes #1846834 [symlinked .cache cause calibre 4 reader
 fail](https://bugs.launchpad.net/calibre/+bug/1846834)

---
 src/calibre/constants.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/calibre/constants.py b/src/calibre/constants.py
index f7aab6454a..857687120b 100644
--- a/src/calibre/constants.py
+++ b/src/calibre/constants.py
@@ -146,7 +146,7 @@ def _get_cache_dir():
 def cache_dir():
     ans = getattr(cache_dir, 'ans', None)
     if ans is None:
-        ans = cache_dir.ans = _get_cache_dir()
+        ans = cache_dir.ans = os.path.realpath(_get_cache_dir())
     return ans