you were close :)
"return unicode(self)" instead
i've attached a test file to the bug i submitted at:
https://sourceforge.net/tracker/index.php?func=detail&aid=1800378&group_id=12867&atid=112867
On Sun, 2007-09-23 at 12:55 -0700, Charlie Groves wrote:
> Hi Tristan,
>
> Would you mind coming up with a small test case that shows this going
> off the rails? From reading your description, the basic object setup
> sounds like the following:
>
> class Model(object):
> def __str__(self):
> return self.__unicode__()
>
> class Poll(Model):
> pass
>
> However, that code complains about the lack of __unicode__ under
> CPython or Jython with your changes in place, so I must be missing
> something.
>
> Charlie
>
> On 9/21/07, Tristan King <[EMAIL PROTECTED]> wrote:
> > Ok I've been working on the problem quoted at the end of this email and have
> > come up with a solution. but i'm not sure what to make of it.
> >
> > Poll extends from Model and does not implement __str__ or __unicode__, but
> > inherits __str__ from Model, which calls __unicode__, and __unicode__ from
> > object. however, object.__unicode__ calls __str__, which in this case is
> > model.__str__ and so the loop begins.
> >
> > of course this code works fine in CPython. so what's different?
> > simple:
> >
> > [EMAIL PROTECTED]:~$ python
> > Python 2.5.1 (r251:54863, May 2 2007, 16:56:35)
> > [GCC 4.1.2 (Ubuntu 4.1.2-0ubuntu4)] on linux2
> > Type "help", "copyright", "credits" or "license" for more information.
> > >>> hasattr(object, '__unicode__')
> > False
> > >>>
> > [EMAIL PROTECTED]:~$ jython
> > Jython 2.3a0 on java1.5.0_11
> > Type "copyright", "credits" or "license" for more information.
> > >>> hasattr(object, '__unicode__')
> > True
> > >>>
> >
> > so, applying the following patch to jython fixes the aforementioned problem.
> > and running 'ant bugtests' shows no change
> > Index: jython/src/org/python/core/PyObject.java
> > ===================================================================
> > --- jython/src/org/python/core/PyObject.java (revision
> > 3484)
> > +++ jython/src/org/python/core/PyObject.java (working
> > copy)
> > @@ -224,7 +224,7 @@
> > }
> > }
> > - dict.__setitem__("__unicode__",new
> > PyMethodDescr("__unicode__",PyObject.class,0,0,new
> > exposed___unicode__(null,null)));
> > + //dict.__setitem__("__unicode__",new
> > PyMethodDescr("__unicode__", PyObject.class,0,0,new
> > exposed___unicode__(null,null)));
> > class exposed___init__ extends PyBuiltinMethod {
> > exposed___init__(PyObject self,PyBuiltinFunction.Info info) {
> >
> > My question is. Why, if in CPython object.__unicode__ doesn't exist, why
> > does it in jython?
> >
> >
> > On 20/09/2007, at 7:30 PM, Tristan King wrote:
> >
> > I've been working on getting the django tutorial to work, and got up to:
> > ---------------
> > # objects.all() displays all the polls in the database.
> > Poll.objects.all()
> > [<Poll: Poll object>]
> > --------------
> > before writing this (i'm about to pack it in for the day), which threw me a
> > nasty error:
> > ..........
> > File
> > "/usr/local/share/jython/Lib/django/db/models/base.py",
> > line 101, in __str__
> > File
> > "/usr/local/share/jython/Lib/django/utils/encoding.py",
> > line 37, in force_unicode
> > File
> > "/usr/local/share/jython/Lib/django/db/models/base.py",
> > line 101, in __str__
> > File
> > "/usr/local/share/jython/Lib/django/utils/encoding.py",
> > line 37, in force_unicode
> > java.lang.StackOverflowError: java.lang.StackOverflowError
> >
> >
> > -------------------------------------------------------------------------
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> > Defy all challenges. Microsoft(R) Visual Studio 2005.
> > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
> > _______________________________________________
> > Jython-dev mailing list
> > [EMAIL PROTECTED]
> > https://lists.sourceforge.net/lists/listinfo/jython-dev
> >
> >
>
> >
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