[Zope-Coders] Re: BTrees, Unicode, and Python 2.2

[Guido van Rossum]

> The unittest fails with the following setUp() function:
> 
>     def setUp(self):
>         """ setup an OOBTree with some unicode strings """
> 
>         self.s = unicode('dreit\xe4gigen','latin1')
> 
>         self.data = [('alien', 284708388),
>                 ('fox', 284708387),
>                 ('future', 284708388),
>                 ('k\xf6nnten', 284708389),
>                 ('quick', 284708387),
>                 ('zerst\xf6rt', 284708389),
>                 (unicode('dreit\xe4gigen','latin1'), 284708391)]
> 
>         self.tree = OOBTree()
>         for k,v in self.data:   self.tree[k]=v
> 
> But it works with the following (last line of self.data changed):
> 
>     def setUp(self):
>         """ setup an OOBTree with some unicode strings """
> 
>         self.s = unicode('dreit\xe4gigen','latin1')
> 
>         self.data = [('alien', 284708388),
>                 ('fox', 284708387),
>                 ('future', 284708388),
>                 ('k\xf6nnten', 284708389),
>                 ('quick', 284708387),
>                 ('zerst\xf6rt', 284708389),
>                 (self.s, 284708391)]
> 
>         self.tree = OOBTree()
>         for k,v in self.data:   self.tree[k]=v
> 
> Any explanations for this behaviour ?

Bizarre.  The value of self.data is the same in both cases.  Please
show the rest of the code that fails.  What kind of error do you get?

--Guido van Rossum (home page: http://www.python.org/~guido/)