Merged revisions 75704 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

................
  r75704 | tarek.ziade | 2009-10-26 00:08:47 +0100 (Mon, 26 Oct 2009) | 17 lines

  Merged revisions 75669-75671 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

  ........
    r75669 | tarek.ziade | 2009-10-24 17:10:37 +0200 (Sat, 24 Oct 2009) | 1 line

    Issue #7071: byte-compilation in Distutils now looks at sys.dont_write_bytecode
  ........
    r75670 | tarek.ziade | 2009-10-24 17:19:03 +0200 (Sat, 24 Oct 2009) | 1 line

    fixed finally state in distutils.test_util
  ........
    r75671 | tarek.ziade | 2009-10-24 17:51:30 +0200 (Sat, 24 Oct 2009) | 1 line

    fixed warning and error message
  ........
................
diff --git a/Lib/distutils/util.py b/Lib/distutils/util.py
index 5054d0c..4bc4c98 100644
--- a/Lib/distutils/util.py
+++ b/Lib/distutils/util.py
@@ -11,6 +11,7 @@
 from distutils.dep_util import newer
 from distutils.spawn import spawn
 from distutils import log
+from distutils.errors import DistutilsByteCompileError
 
 def get_platform ():
     """Return a string that identifies the current platform.  This is used
@@ -443,6 +444,9 @@
     generated in indirect mode; unless you know what you're doing, leave
     it set to None.
     """
+    # nothing is done if sys.dont_write_bytecode is True
+    if sys.dont_write_bytecode:
+        raise DistutilsByteCompileError('byte-compiling is disabled.')
 
     # First, if the caller didn't force us into direct or indirect mode,
     # figure out which mode we should be in.  We take a conservative