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
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  r75670 | tarek.ziade | 2009-10-24 17:19:03 +0200 (Sat, 24 Oct 2009) | 1 line

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

  fixed warning and error message
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diff --git a/Lib/distutils/util.py b/Lib/distutils/util.py
index 6709bbf..a50621e 100644
--- a/Lib/distutils/util.py
+++ b/Lib/distutils/util.py
@@ -13,6 +13,7 @@
 from distutils.spawn import spawn, find_executable
 from distutils import log
 from distutils.version import LooseVersion
+from distutils.errors import DistutilsByteCompileError
 
 def get_platform():
     """Return a string that identifies the current platform.
@@ -444,6 +445,10 @@
     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
     # approach: choose direct mode *only* if the current interpreter is