From 5c7db72614f86bc2bcff3b3b47b6202ea59ec497 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sun, 3 Jan 2010 07:51:52 -0700
Subject: [PATCH] Fix #4074 (not working if home directory on AFS)

---
 src/calibre/utils/ipc/__init__.py | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/calibre/utils/ipc/__init__.py b/src/calibre/utils/ipc/__init__.py
index 6adc250bb7..2df13ce7c8 100644
--- a/src/calibre/utils/ipc/__init__.py
+++ b/src/calibre/utils/ipc/__init__.py
@@ -11,8 +11,15 @@ from threading import Thread
 
 from calibre.constants import iswindows
 
-ADDRESS = r'\\.\pipe\CalibreGUI' if iswindows else \
-    os.path.expanduser('~/.calibre-gui.socket')
+if iswindows:
+    ADDRESS = r'\\.\pipe\CalibreGUI'
+else:
+    from tempfile import gettempdir
+    tmp = gettempdir()
+    user = os.environ.get('USER', '')
+    if not user:
+        user = os.path.basename(os.path.expanduser('~'))
+    ADDRESS = os.path.join(tmp, user+'-calibre-gui.socket')
 
 class RC(Thread):