Issue #7449, last part (11): fix many tests if thread support is disabled

 * Use try/except ImportError or test_support.import_module() to import thread
   and threading modules
 * Add @unittest.skipUnless(threading, ...) to testcases using threads

1 files changed, 5 insertions, 1 deletions

diff --git a/Lib/sqlite3/test/dbapi.py b/Lib/sqlite3/test/dbapi.py
index 9d87212293..401ba79df8 100644
--- a/Lib/sqlite3/test/dbapi.py
+++ b/Lib/sqlite3/test/dbapi.py
@@ -23,8 +23,11 @@
 
 import unittest
 import sys
-import threading
 import sqlite3 as sqlite
+try:
+    import threading
+except ImportError:
+    threading = None
 
 class ModuleTests(unittest.TestCase):
     def CheckAPILevel(self):
@@ -465,6 +468,7 @@ class CursorTests(unittest.TestCase):
         except TypeError:
             pass
 
+@unittest.skipUnless(threading, 'This test requires threading.')
 class ThreadTests(unittest.TestCase):
     def setUp(self):
         self.con = sqlite.connect(":memory:")