Hi Alex
My first thought is that this has something to do with the M2M field
stated in Class Videoconference. I'm not 100% sure though, I've only
recently started using this type of relationship and I find them rather
confusing.
I didn't understand why ''' models.ManyToManyField('auth.User'... ''' in
VideoConference(Asset) is written with auth.User as a text field, is
this because the relationship has not been created yet ? Why not just User ?
What if you put the "managers" and "viewers" in an __init__ and send
those initial values from your view, or just move your db queries into
an __init__ ?
class VideoconferenceForm(ModelForm):
def __init__(self, *args, **kwargs):
self.managers = kwargs.pop('', None)
self.viewers = kwargs.pop('', None)
super(FileForm, self).__init__(*args, **kwargs)
self.fields['managers'] =
forms.ModelMultipleChoiceField(choices=self.managers, required=False)
self.fields['viewers'] =
forms.ModelMultipleChoiceField(choices=self.viewers, required=False)
Sorry I can't be more helpful, your code looks like you know more than
me anyway.
Liam
On 04/04/2014 08:44, Alessandro Caruso wrote:
Thanks Liam
Il giorno giovedì 3 aprile 2014 19:05:28 UTC+2, Liam Thompson ha scritto:
Hi Alex
Let me have another look through your code and I'll try to come up with
something useful.
Liam
On 03/04/2014 18:20, Alessandro Caruso wrote:
> I got the traceback (thanks to a middleware which collects it and
a send
> it back to the ajax request even if DEBUG=False)
>
> Environment:
>
>
> Request Method: POST
> Request URL: http://server:8080/assets/edit/videoconference/30
<http://server:8080/assets/edit/videoconference/30>
>
> Django Version: 1.4.5
> Python Version: 2.7.3
> Installed Applications:
> ('django.contrib.auth',
> 'django.contrib.contenttypes',
> 'django.contrib.sessions',
> 'django.contrib.sites',
> 'django.contrib.messages',
> 'django.contrib.staticfiles',
> 'django.contrib.admin',
> 'django.contrib.admindocs',
> 'south',
> 'beeusers',
> 'beeactions',
> 'assets',
> 'reservations',
> 'ldapusers',
> 'tickets',
> 'videoconferences')
> Installed Middleware:
> ('django.middleware.common.CommonMiddleware',
> 'django.contrib.sessions.middleware.SessionMiddleware',
> 'django.middleware.csrf.CsrfViewMiddleware',
> 'django.contrib.auth.middleware.AuthenticationMiddleware',
> 'django.contrib.messages.middleware.MessageMiddleware',
> 'assets.middleware.ExceptionMiddleware')
>
>
> Traceback:
> File
>
"/home/srvadmin/.virtualenvs/prenota_dev/lib/python2.7/site-packages/django/core/handlers/base.py"
> in get_response
> 111. response = callback(request,
> *callback_args, **callback_kwargs)
> File "/home/srvadmin/prenota_dev/assets/views.py" in asset_edit
> 107. form = VideoconferenceForm(instance=obj)
> File
>
"/home/srvadmin/.virtualenvs/prenota_dev/lib/python2.7/site-packages/django/forms/models.py"
> in __init__
> 238. object_data = model_to_dict(instance,
opts.fields,
> opts.exclude)
> File
>
"/home/srvadmin/.virtualenvs/prenota_dev/lib/python2.7/site-packages/django/forms/models.py"
> in model_to_dict
> 128. data[f.name <http://f.name>] = [obj.pk
<http://obj.pk> for obj in
> f.value_from_object(instance)]
> File
>
"/home/srvadmin/.virtualenvs/prenota_dev/lib/python2.7/site-packages/django/db/models/fields/related.py"
> in value_from_object
> 1272. return getattr(obj, self.attname).all()
> File
>
"/home/srvadmin/.virtualenvs/prenota_dev/lib/python2.7/site-packages/django/db/models/manager.py"
> in all
> 116. return self.get_query_set()
> File
>
"/home/srvadmin/.virtualenvs/prenota_dev/lib/python2.7/site-packages/django/db/models/fields/related.py"
> in get_query_set
> 567. return super(ManyRelatedManager,
>
self).get_query_set().using(db)._next_is_sticky().filter(**self.core_filters)
> File
>
"/home/srvadmin/.virtualenvs/prenota_dev/lib/python2.7/site-packages/django/db/models/query.py"
> in filter
> 624. return self._filter_or_exclude(False, *args,
**kwargs)
> File
>
"/home/srvadmin/.virtualenvs/prenota_dev/lib/python2.7/site-packages/django/db/models/query.py"
> in _filter_or_exclude
> 642. clone.query.add_q(Q(*args, **kwargs))
> File
>
"/home/srvadmin/.virtualenvs/prenota_dev/lib/python2.7/site-packages/django/db/models/sql/query.py"
> in add_q
> 1250. can_reuse=used_aliases,
> force_having=force_having)
> File
>
"/home/srvadmin/.virtualenvs/prenota_dev/lib/python2.7/site-packages/django/db/models/sql/query.py"
> in add_filter
> 1122. process_extras=process_extras)
> File
>
"/home/srvadmin/.virtualenvs/prenota_dev/lib/python2.7/site-packages/django/db/models/sql/query.py"
> in setup_joins
> 1316. "Choices are: %s" % (name, ",
> ".join(names)))
>
> Exception Type: FieldError at /assets/edit/videoconference/30
> Exception Value: Cannot resolve keyword 'viewed_videoconferences'
into
> field. Choices are: action, beeuser, date_joined, email, first_name,
> groups, id, is_active, is_staff, is_superuser, last_login,
last_name,
> logentry, managed_assets, password, reservation, ticket,
> user_permissions, username
>
>
> The only differences from the original code are the two
related_names
> (managed_assets for managers and viewed_videoconferences for
viewers).
>
> It seems to me that Django is trying to save a User object
throwing an
> error because it can't find a viewed_videoconferences field in
the User
> model (obviously)
>
>
> Il giorno mercoledì 2 aprile 2014 18:30:11 UTC+2, Liam Thompson
ha scritto:
>
> Hi Alex
>
> You might try that command, it's quick through the shell.
>
> I suppose there are many ways to do forms, but I've populated my
> modelforms through an __init__ to make sure its loaded fresh
for every
> form requested, not just on the loading of the server. So
object versus
> class if that makes sense.
>
> Does it make a difference in your case ? I don't know, I'm
still new at
> this so making some suggestions.
>
> Liam
>
>
>
>
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