+
+# Urg, Python 2.4 does not define stderr/stdout encoding
+# Maybe guess encoding from LANG/LC_ALL/LC_CTYPE?
+
+def encoded_write(f, s):
+ f.write (s.encode (f.encoding or 'utf_8'))
+
+# ugh, Python 2.5 optparse requires Unicode strings in some argument
+# functions, and refuse them in some other places
+def display_encode (s):
+ return s.encode (sys.stderr.encoding or 'utf_8')
+
+def stderr_write (s):
+ encoded_write (sys.stderr, s)
+
+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 'Setup for MacOS X' in Application Usage.")
+ os.system ("open http://python.org/download/")
+ sys.exit (2)