[damned-lies] Put test scratch dir outside the source tree

[Claude Paroz <claudep src gnome org>]

commit d3e2bc57b32114abc9149b91ca1ad2f8c104e942
Author: Claude Paroz <claude 2xlibre net>
Date:   Tue Aug 11 17:34:23 2015 +0200

    Put test scratch dir outside the source tree
    
    Should fix bug #753514.

 stats/tests/tests.py |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/stats/tests/tests.py b/stats/tests/tests.py
index 6a9dce4..9f01cca 100644
--- a/stats/tests/tests.py
+++ b/stats/tests/tests.py
@@ -20,6 +20,7 @@
 import os
 import shutil
 import tarfile
+import tempfile
 from datetime import date
 from functools import wraps
 
@@ -42,7 +43,7 @@ def test_scratchdir(test_func):
     def decorator(self):
         old_SCRATCHDIR = settings.SCRATCHDIR
         old_POTDIR = settings.POTDIR
-        settings.SCRATCHDIR = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'scratch')
+        settings.SCRATCHDIR = os.path.join(tempfile.mkdtemp(), 'scratch')
         settings.POTDIR = os.path.join(settings.SCRATCHDIR, "POT")
         os.makedirs(settings.POTDIR)
         gnome_hello_tar = tarfile.open(os.path.join(os.path.dirname(os.path.abspath(__file__)), 
'gnome-hello.tar.gz'))