schrieb den Benutzernamen Editor in, nachdem ich die Daten in der Datenbank Bearbeitung

Question

ich ein Modell haben, die über Produkte ist

models.py

....

class ProductsTbl(models.Model): 
    .... 
    description = models.TextField(blank=True, null=True) 
    user = models.ForeignKey(User, blank=True, null=True) 
    useredit = models.CharField(max_length=32, blank=True, null=True) 
    image = models.ImageField(upload_to=get_imagep_Product, blank=True) 

    def __unicode__(self): 
     return self.name 
    def save(self, *args, **kwargs): 
     ''' On save, update timestamps ''' 

     if not self.id: 
      self.created = timezone.now() 

     return super(ProductsTbl, self).save(*args, **kwargs) 

wenn ich nach dem Ändern der Daten wie Beschreibung oder neues Bild ,, etc. Ich würde die Daten UserEdit mag das Bearbeiten von Benutzernamen in ,, hier

geschrieben hat, ist die Sache bearbeiten Funktion in

views.py

.... 
@login_required 
def edit_thing(request, slug): 
# grab the object... 
    thing = ProductsTbl.objects.get(slug=slug) 
    if thing.user != request.user: 
     raise Http404 
# set the form we're using... 
    form_class = ProductsTblForm 
    if request.method == 'POST': 
# grab the data from the submitted form 
     form = form_class(data=request.POST,files=request.FILES,instance=thing) 
     if form.is_valid(): 
      # create an instance but do not save yet 
      thing = form.save(commit=False) 
# set the additional details 
      thing.useredit = request.user 

# save the object 
      thing.save() 

      return redirect('thing_detail', slug=thing.slug) 
# otherwise just create the form 
    else: 
     form = form_class(instance=thing) 
# and render the template 
    return render(request, 'things/edit_thing.html', { 
     'thing': thing, 
     'form': form, 
    }) 
.... 

jedoch ,,, wenn ich geändert die Sache Informationen zeigt nur den Fehler unten ,,,.

Environment: 


Request Method: POST 
Request URL: http://127.0.0.1:8000/things/md0013/edit/ 

Django Version: 1.8.11 
Python Version: 2.7.11 
Installed Applications: 
('designer', 
'django.contrib.admin', 
'django.contrib.auth', 
'django.contrib.contenttypes', 
'django.contrib.sessions', 
'django.contrib.messages', 
'django.contrib.staticfiles', 
'registration') 
Installed Middleware: 
('django.contrib.sessions.middleware.SessionMiddleware', 
'django.middleware.common.CommonMiddleware', 
'django.middleware.csrf.CsrfViewMiddleware', 
'django.contrib.auth.middleware.AuthenticationMiddleware', 
'django.contrib.auth.middleware.SessionAuthenticationMiddleware', 
'django.contrib.messages.middleware.MessageMiddleware', 
'django.middleware.clickjacking.XFrameOptionsMiddleware', 
'django.middleware.security.SecurityMiddleware') 


Traceback: 
File "/Users/korekyourin/books/helloApp/venv/lib/python2.7/site-packages/django/core/handlers/base.py" in get_response 
    132.      response = wrapped_callback(request, *callback_args, **callback_kwargs) 
File "/Users/korekyourin/books/helloApp/venv/lib/python2.7/site-packages/django/contrib/auth/decorators.py" in _wrapped_view 
    22.     return view_func(request, *args, **kwargs) 
File "/Users/korekyourin/books/stayreal/sandbox/product_id/designer/views.py" in edit_thing 
    52.    thing.save() 
File "/Users/korekyourin/books/stayreal/sandbox/product_id/designer/models.py" in save 
    60.   return super(ProductsTbl, self).save(*args, **kwargs) 
File "/Users/korekyourin/books/helloApp/venv/lib/python2.7/site-packages/django/db/models/base.py" in save 
    734.      force_update=force_update, update_fields=update_fields) 
File "/Users/korekyourin/books/helloApp/venv/lib/python2.7/site-packages/django/db/models/base.py" in save_base 
    762.    updated = self._save_table(raw, cls, force_insert, force_update, using, update_fields) 
File "/Users/korekyourin/books/helloApp/venv/lib/python2.7/site-packages/django/db/models/base.py" in _save_table 
    827.          forced_update) 
File "/Users/korekyourin/books/helloApp/venv/lib/python2.7/site-packages/django/db/models/base.py" in _do_update 
    877.   return filtered._update(values) > 0 
File "/Users/korekyourin/books/helloApp/venv/lib/python2.7/site-packages/django/db/models/query.py" in _update 
    580.   return query.get_compiler(self.db).execute_sql(CURSOR) 
File "/Users/korekyourin/books/helloApp/venv/lib/python2.7/site-packages/django/db/models/sql/compiler.py" in execute_sql 
    1062.   cursor = super(SQLUpdateCompiler, self).execute_sql(result_type) 
File "/Users/korekyourin/books/helloApp/venv/lib/python2.7/site-packages/django/db/models/sql/compiler.py" in execute_sql 
    829.    sql, params = self.as_sql() 
File "/Users/korekyourin/books/helloApp/venv/lib/python2.7/site-packages/django/db/models/sql/compiler.py" in as_sql 
    1028.          (field.__class__.__name__, val.__class__.__name__)) 

Exception Type: TypeError at /things/md0013/edit/ 
Exception Value: Database is trying to update a relational field of type CharField with a value of type User. Make sure you are setting the correct relations 

Wie schrieb man den Editor-Namen in der Datenbank? danke

Answer 1

In Ihrer views.py Änderung thing.useredit = request.user dies thing.useredit = request.user.username