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Working in Japan, I find it very helpful to be able to read full Unicode arguments in Python 2.x under Windows 2000/XP. So I am using the following:
http://stackoverflow.com/questions/846850/how-to-read-unicode-characters-from-command-line-arguments-in-python-on-windows/846931#846931
Brilliantly, the optparse module in Python 2.6 has worked fine with Unicode arguments. Sadly, it seems Python 2.7 is preventing this. When I try to run my program with Python 2.7, I get the following:
 ...
 File "c:\python27\lib\optparse.py", line 1018, in add_option
 raise TypeError, "invalid arguments"
TypeError: invalid arguments
It seems that the type check in optparse.py line 1018 has changed from this in 2.6:
 if type(args[0]) in types.StringTypes:
to this in 2.7:
 if type(args[0]) is types.StringType:
This makes it more difficult to support Unicode in 2.7, compared to 2.6. Any chance this could be reverted?