Consistently use tempfile.tempdir for the db_home directory.

Lib/bsddb/test/test_associate.py

@@ -151,7 +151,7 @@ class AssociateTestCase(unittest.TestCase):
 
     def setUp(self):
         self.filename = self.__class__.__name__ + '.db'
-        homeDir = os.path.join(os.path.dirname(sys.argv[0]), 'db_home')
+        homeDir = os.path.join(tempfile.gettempdir(), 'db_home')
         self.homeDir = homeDir
         try:
             os.mkdir(homeDir)

Lib/bsddb/test/test_compare.py

@@ -4,6 +4,7 @@ TestCases for python DB Btree key comparison function.
 
 import sys, os, re
 import test_all
+import tempfile
 from cStringIO import StringIO
 
 import unittest
@@ -51,7 +52,7 @@ class AbstractBtreeKeyCompareTestCase (unittest.TestCase):
 
     def setUp (self):
         self.filename = self.__class__.__name__ + '.db'
-        homeDir = os.path.join (os.path.dirname (sys.argv[0]), 'db_home')
+        homeDir = os.path.join (tempfile.gettempdir(), 'db_home')
         self.homeDir = homeDir
         try:
             os.mkdir (homeDir)

Lib/bsddb/test/test_cursor_pget_bug.py

 import unittest
+import tempfile
 import sys, os, glob
 
 try:
@@ -16,7 +17,7 @@ class pget_bugTestCase(unittest.TestCase):
     db_name = 'test-cursor_pget.db'
 
     def setUp(self):
-        self.homeDir = os.path.join(os.path.dirname(sys.argv[0]), 'db_home')
+        self.homeDir = os.path.join(tempfile.gettempdir(), 'db_home')
         try:
             os.mkdir(self.homeDir)
         except os.error:

Lib/bsddb/test/test_pickle.py

@@ -6,6 +6,7 @@ try:
 except ImportError:
     cPickle = None
 import unittest
+import tempfile
 import glob
 
 try:
@@ -24,7 +25,7 @@ class pickleTestCase(unittest.TestCase):
     db_name = 'test-dbobj.db'
 
     def setUp(self):
-        homeDir = os.path.join(os.path.dirname(sys.argv[0]), 'db_home')
+        homeDir = os.path.join(tempfile.gettempdir(), 'db_home')
         self.homeDir = homeDir
         try: os.mkdir(homeDir)
         except os.error: pass

Lib/bsddb/test/test_sequence.py

@@ -16,7 +16,7 @@ from test_all import verbose
 class DBSequenceTest(unittest.TestCase):
     def setUp(self):
         self.int_32_max = 0x100000000
-        self.homeDir = os.path.join(os.path.dirname(sys.argv[0]), 'db_home')
+        self.homeDir = os.path.join(tempfile.gettempdir(), 'db_home')
         try:
             os.mkdir(self.homeDir)
         except os.error: