Thanks that helps quite a bit. I see now, it expects each item/element
in 'v' to be two-element tuple.
Does any one know if there was a change made to the format of the
choices argument for forms in django 1.0?
--
matthew
On Oct 7, 10:37 am, Steve Holden <[EMAIL PROTECTED]> wrote:
> mthorley wrote:
> > I just upgraded to django 1.0 and started getting this error. I was
> > already using newforms and am quite surprised and dumbfounded by the
> > errror. Generally this error would be caused by a missing comma in a
> > tuple, but that appears to not be my case.
>
> > I added some print statements (to django/forms/fields.py) and even
> > over-wrote the variable in question to try and isolate the problem but
> > have had no success.
>
> > Below is a snip of the code in question, with my added debugging
> > statements. Note that even when I override "v" with a tuple containing
> > two string, I still get the error.
>
> > That almost makes me think something is broken with my python install,
> > however when I execute a similar statement from the python shell, it
> > works fine, and when I run the server with a different installation of
> > python I still get the error.
>
> > Below the code snip is the output I get in my terminal when the below
> > code runs. At the bottom of this post is a complete trace back of the
> > error.
>
> > I'm sure now that I am over looking something very obvious, and would
> > be very appreciate to any one who can point it out to me.
>
> > Thanks
> > --
> > matthew
>
> > # snip from django/forms/fields.py
> > def valid_value(self, value):
> > "Check to see if the provided value is a valid choice"
> > for k, v in self.choices:
> > v = ('test', 'value') # for debugging
> > if type(v) in (tuple, list):
> > # This is an optgroup, so look inside the group for
> > options
> > print v, type(v), 'len =', len(v), 'v[0] =', v[0],
> > 'v[1] =', v[1] # added for debugging
> > for k2, v2 in v:
> > if value == smart_unicode(k2):
> > return True
> > else:
> > if value == smart_unicode(k):
> > return True
> > return False
>
> > # server output
> > Django version 1.0-final-SVN-783, using settings 'sample.settings'
> > Development server is running athttp://127.0.0.1:8000/
> > Quit the server with CONTROL-C.
> > ('test', 'value') <type 'tuple'> len = 2 v[0] = test v[1] = value
> > [07/Oct/2008 09:40:59] "POST /free_personality_test/ HTTP/1.1" 500
> > 86171
>
> > # django traceback
> > Environment:
>
> > Request Method: POST
> > Request URL:http://localhost:8000/free_personality_test/
> > Django Version: 1.0-final-SVN-783
> > Python Version: 2.5.2
> > Installed Applications:
> > ['django.contrib.admin',
> > 'django.contrib.auth',
> > 'django.contrib.comments',
> > 'django.contrib.contenttypes',
> > 'django.contrib.humanize',
> > 'django.contrib.markup',
> > 'django.contrib.sessions',
> > 'django.contrib.sites',
> > 'colorcode.profiler',
> > 'colorcode.accounts',
> > 'colorcode.email_campaigns',
> > 'colorcode.coupons',
> > 'colorcode.feedback',
> > 'colorcode.registration',
> > 'colorcode.accounts',
> > 'colorcode.unregistered_users',
> > 'colorcode']
> > Installed Middleware:
> > ('django.middleware.common.CommonMiddleware',
> > 'django.contrib.sessions.middleware.SessionMiddleware',
> > 'django.contrib.auth.middleware.AuthenticationMiddleware',
> > 'djangologging.middleware.LoggingMiddleware',
> > 'django.middleware.doc.XViewMiddleware',
> > 'django.middleware.transaction.TransactionMiddleware',
> > 'colorcode.profiler.middleware.PersonalityProfileMiddleware')
>
> > Traceback:
> > File "/Users/matthew/sandbox/cc-django-1.0-integration/lib/django/core/
> > handlers/base.py" in get_response
> > 86. response = callback(request, *callback_args,
> > **callback_kwargs)
> > File "/Users/matthew/sandbox/cc-django-1.0-integration/site/colorcode/
> > profiler/views.py" in personality_assessment
> > 181. strengthslims_form.is_valid() and \
> > File "/Users/matthew/sandbox/cc-django-1.0-integration/lib/django/
> > forms/forms.py" in is_valid
> > 120. return self.is_bound and not bool(self.errors)
> > File "/Users/matthew/sandbox/cc-django-1.0-integration/lib/django/
> > forms/forms.py" in _get_errors
> > 111. self.full_clean()
> > File "/Users/matthew/sandbox/cc-django-1.0-integration/lib/django/
> > forms/forms.py" in full_clean
> > 224. value = field.clean(value)
> > File "/Users/matthew/sandbox/cc-django-1.0-integration/lib/django/
> > forms/fields.py" in clean
> > 648. if not self.valid_value(value):
> > File "/Users/matthew/sandbox/cc-django-1.0-integration/lib/django/
> > forms/fields.py" in valid_value
> > 658. for k2, v2 in v:
>
> > Exception Type: ValueError at /free_personality_test/
> > Exception Value: too many values to unpack
>
> The issue here is that the for statement expects a *sequence* of
> two-element tuples to iterate over and, for whatever reason, it's only
> getting a single tuple. Hence the error message.
>
> I hope this gives you a start on finding out what's actually wrong ...
>
> regards
> Steve
> --
> Steve Holden +1 571 484 6266 +1 800 494 3119
> Holden Web LLC http://www.holdenweb.com/
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