why create and get_or_create can't use id to set foerign key ?
why create and get_or_create can't use id to set foerign key ? for example I can't write like below: Star.objects.get_or_create(user=request.user,title_id=title_id) I have to write like this: try: Star.objects.get(user=request.user,title=title_id) except Star.DoesNotExist: Star(user=request.user,title_id=title_id).save() -- 博客:http://zsp.javaeye.com/ 专业:生物医学工程+计算机科学与技术 技能:C++(STL,BOOST) Python(Django) HTML+CSS AJAX -- 张沈鹏 --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django developers" group. To post to this group, send email to django-developers@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/django-developers?hl=en -~--~~~~--~~--~--~---
Re: [Jython-dev] django on jython (new version)?
On 9/23/07, Tristan King <[EMAIL PROTECTED]> wrote:
>
> you were close :)
> "return unicode(self)" instead
Almost. That alone would also end on and infinite loop on CPython.
This is directly from django.db.models.Model:
def __str__(self):
if hasattr(self, '__unicode__'):
return force_unicode(self).encode('utf-8')
return '%s object' % self.__class__.__name__
The key is the hasattr() check. It's always true on Jython because
__unicode__ is defined on object.
Anyway, I just noticed that the uploaded test case uses the hasattr, so it's OK.
--
Leo Soto M.
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Re: [Jython-dev] django on jython (new version)?
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=1800378_id=12867=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()
> > []
> > --
> > 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
> >
> >
> > -
> > This SF.net email is sponsored by: Microsoft
> > Defy all challenges. Microsoft(R) Visual Studio 2005.
> > http://clk.atdmt.com/MRT/go/vse012070mrt/direct/01/
> > ___
> > Jython-dev mailing list
> > [EMAIL PROTECTED]
> > https://lists.sourceforge.net/lists/listinfo/jython-dev
> >
> >
>
> >
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Re: MEDIA_URL and trailing slash (documentation)
Deryck Hodge said the following:
> Another use case to consider:
>
> {{ MEDIA_URL }}{{ photo.get_absolute_url }}
>
> No way to avoid an extra slash if your get_absolute_url begins with a
> slash, which is common. I'm not passionate about what we recommend,
> but just wanted to remind that MEDIA_URL is not just used for
> get_FOO_url construction or for manually building urls.
That's not really a valid use case though - get_absolute_url should be
returning an absolute URL, not one relative to MEDIA_URL.
If your photo object involves a FileField or ImageField, it will already
be using MEDIA_URL in the get_fieldname_url function, so there'd be no
reason to attach it to MEDIA_URL after the fact.
--
Collin Grady
When you're ready to give up the struggle, who can you surrender to?
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Re: Visual recognition of Django website
That is really good. Thanks :) On Sep 19, 1:44 pm, Ned Batchelder <[EMAIL PROTECTED]> wrote: > I agree that a favicon is one of those fit-and-finish touches that helps > complete a website. Attached are my attempts. I agree with Todd that > "dj" is a better reminder of Django, and the color should be greener > (look at the badges to see that Wilson didn't slavishly follow the deep > green of the logos when making smaller versions of it). I've also > rejiggered the letters a bit to avoid smeary-looking blurs. > > Now we just need to get someone to put it on the site... > > --Ned. > > > > Todd O'Bryan wrote: > > On Wed, 2007-09-19 at 00:29 +, Johann C. Rocholl wrote: > > >> On Sep 17, 10:17 am, "Justin Lilly" <[EMAIL PROTECTED]> wrote: > > >>> I personally would also like a favicon for the django sites. I took the > >>> liberty of creating one using django's colors and fonts (stole the d from > >>> the logo). > > >>> http://www.flickr.com/photos/[EMAIL PROTECTED]/1397125183/ > > >> Here's another attempt, with improved vertical alignment > >> (mathematically perfect), and in Windows ICO format: > >>http://johann.rocholl.net/django-icon/favicon.ico > > > While I'm +0 on the favicon thing, I personally think "d" is > > insufficient and "dj" would be much more identifiable as uniquely > > Django. > > > Todd > > -- > Ned Batchelder,http://nedbatchelder.com > > django-favicon.png > 1KViewDownload > > django-favicon.ico > 1KDownload --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django developers" group. To post to this group, send email to django-developers@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/django-developers?hl=en -~--~~~~--~~--~--~---
Re: Tutorial wiki broken: Failed to load TOC proccessor
On 9/21/07, msaelices <[EMAIL PROTECTED]> wrote: > > The problem is the [[TOC]] proccessor situated on top: > > http://code.djangoproject.com/wiki/Tutorials Works for me (now). --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django developers" group. To post to this group, send email to django-developers@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/django-developers?hl=en -~--~~~~--~~--~--~---
