我正在尝试在用户注册时填充“用户个人资料”字段(我读过不建议这样做,但是我的应用程序要求这样做)
model.py
class UserProfile(models.Model):
user = models.OneToOneField(User,on_delete=models.CASCADE)
twitter = models.CharField(max_length=50)
def create(sender, **kwargs):
if kwargs['created']:
user_profile = UserProfile.objects.create(user=kwargs['instance'])
post_save.connect(create, sender=User)
view.py
def register(request):
if request.method == 'POST':
form = RegForm(request.POST)
if form.is_valid():
form.save()
return redirect('/home')
else:
form = RegForm()
args = {'form': form}
return render(request, 'home/registration_form.html', args)
form.py
class RegForm(UserCreationForm):
email = forms.EmailField(required=True)
username = forms.CharField(max_length=50, required=True)
twitter = forms.CharField(max_length=50, required=True)
class Meta:
model = User
fields = (
'username',
'twitter',
'first_name',
'last_name',
'email',
'password1',
'password2'
)
def save(self, commit=True):
user = super(RegForm, self).save(commit=False)
user.username = self.cleaned_data['username']
user.first_name = self.cleaned_data['first_name']
user.last_name = self.cleaned_data['last_name']
user.email = self.cleaned_data['email']
user.userprofile.twitter = self.cleaned_data['twitter']
if commit:
user.save()
return user
当前,我收到错误消息“用户没有用户个人资料”
(第一次使用Django,很抱歉,如果这是一个愚蠢的问题,我找不到在线帮助的任何内容)
跟踪:
_execute中的文件“ /Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/django/db/backends/utils.py” 85. return self.cursor.execute(sql,params)
在执行文件“ /Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/django/db/backends/sqlite3/base.py” 298. return Database.Cursor.execute(self,query,params)
上述异常(NOT NULL约束失败:app_userprofile.user_id)是以下异常的直接原因:
内部的文件“ /Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/django/core/handlers/exception.py” 34. response = get_response(request)
_get_response中的文件“ /Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/django/core/handlers/base.py” 126. response = self.process_exception_by_middleware(e,request)
_get_response中的文件“ /Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/django/core/handlers/base.py” 124. response = wrapd_callback(request,* callback_args,** callback_kwargs)
文件“ /Users/IS/Desktop/Project/website/app/views.py”在寄存器中 37. form.save()
保存文件“ /Users/IS/Desktop/Project/website/app/form.py” 42. profile.save()
保存文件“ /Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/django/db/models/base.py” 718. force_update = force_update,update_fields = update_fields)
save_base中的文件“ /Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/django/db/models/base.py” 748.更新= self._save_table(原始,cls,force_insert,force_update,使用,update_fields)
_save_table中的文件“ /Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/django/db/models/base.py” 831. result = self._do_insert(cls._base_manager,using,fields,update_pk,raw)
_do_insert中的文件“ /Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/django/db/models/base.py” 869. using = using,raw = raw)
manager_method中的文件“ /Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/django/db/models/manager.py” 82. return getattr(self.get_queryset(),name)(* args,** kwargs)
_insert中的文件“ /Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/django/db/models/query.py” 1136. return query.get_compiler(using = using).execute_sql(return_id)
execute_sql中的文件“ /Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/django/db/models/sql/compiler.py” 1289. cursor.execute(sql,params)
在执行文件“ /Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/django/db/backends/utils.py” 100. return super()。execute(sql,params)
在执行文件“ /Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/django/db/backends/utils.py” 68. return self._execute_with_wrappers(sql,params,many = False,executor = self._execute)
_execute_with_wrappers中的文件“ /Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/django/db/backends/utils.py” 77. return executor(sql,params,many,context)
_execute中的文件“ /Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/django/db/backends/utils.py” 85. return self.cursor.execute(sql,params)
退出中的文件“ /Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/django/db/utils.py” 89.从exc_value提高dj_exc_value.with_traceback(traceback)
_execute中的文件“ /Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/django/db/backends/utils.py” 85. return self.cursor.execute(sql,params)
在执行文件“ /Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/django/db/backends/sqlite3/base.py” 298. return Database.Cursor.execute(self,query,params)
异常类型:/ app / register /中的IntegrityError 异常值:NOT NULL约束失败:app_userprofile.user_id