progress = stderr_write
+def require_python_version ():
+ if sys.hexversion < 0x02040000:
+ stderr_write ("Python 2.4 or newer is required to run this program.\n\
+Please upgrade Python from http://python.org/download/, and if you use MacOS X,\n\
+please read installation instructions in Application usage.")
+ os.system ("open http://python.org/download/")
+ sys.exit (2)
+
# Modified version of the commands.mkarg(x), which always uses
# double quotes (since Windows can't handle the single quotes:
def mkarg(x):