Merged revisions 85469 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r85469 | antoine.pitrou | 2010-10-14 13:12:00 +0200 (jeu., 14 oct. 2010) | 3 lines

  Inherit interpreter flags in parallel testing
........

Lib/test/test_support.py

@@ -1199,3 +1199,22 @@ def py3k_bytes(b):
             return b"".join(chr(x) for x in b)
         except TypeError:
             return bytes(b)
+
+def args_from_interpreter_flags():
+    """Return a list of command-line arguments reproducing the current
+    settings in sys.flags."""
+    flag_opt_map = {
+        'bytes_warning': 'b',
+        'dont_write_bytecode': 'B',
+        'ignore_environment': 'E',
+        'no_user_site': 's',
+        'no_site': 'S',
+        'optimize': 'O',
+        'verbose': 'v',
+    }
+    args = []
+    for flag, opt in flag_opt_map.items():
+        v = getattr(sys.flags, flag)
+        if v > 0:
+            args.append('-' + opt * v)
+    return args