[Python-Dev] Problems with unicode_literals

[Barry Warsaw]

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I've been playing with 'from __future__ import unicode_literals' just  
to see how unicode unclean some of my code was.  Almost everything was  
fairly easy to fix but I found two interesting situations.  One seems  
fairly shallow and might arguably be fixable in Python 2.6 (but  
probably not :).  The other clearly can't be addressed in Python 2.6,  
but the question is whether it should be changed for Python 2.7.

Here's some sample code:

- -----snip snip-----
from __future__ import unicode_literals

def foo(a=None, b=None):
     print a, b

# This is a TypeError
foo(**{'a': 1, 'b': 2})

foo(**dict(a=1, b=2))

from optparse import OptionParser

parser = OptionParser()

# This also raises a TypeError
parser.add_option('-f', '--foo')
- -----snip snip-----

The add_option() failure is a one-line fix.

- -Barry

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