Problem with mixing doctest with gettext _()

[Pierre Rouleau]

Peter Otten wrote:

> Pierre Rouleau wrote:
> 
> 
>>Skip Montanaro wrote:
>>
>>
>>>If you really want a dummy _() you can also stuff your version into
>>>builtins:
>>>
>>>    >>> import __builtin__
>>>    >>> def foo(s): return s
>>>    ...
>>>    >>> __builtin__._ = foo
>>>    >>> _
>>>    <function foo at 0x1d6670>
>>>    >>> _("hi")
>>>    'hi'
>>
>>I tried that, but it only works for the first call...
> 
> 
> Setting __builtin__._ to the result of the last calculation is a side effect
> of sys.displayhook. Therefore you need to change that too:
> 
> Python 2.3.3 (#1, Jan  3 2004, 13:57:08)
> [GCC 3.2] on linux2
> Type "help", "copyright", "credits" or "license" for more information.
> 
>>>>import sys
>>>>def mydisplayhook(a):
> 
> ...     if a is not None: sys.stdout.write("%r\n" % a)
> ...
> 
>>>>def foo(s): return s
> 
> ...
> 
>>>>sys.displayhook = mydisplayhook
>>>>import __builtin__
>>>>__builtin__._ = foo
>>>>_("hi")
> 
> 'hi'
> 
>>>>_("hello")
> 
> 'hello'
> 

Thanks Peter, it does work!