Django raise TypeError(“";%s()获得意外的关键字参数';%s';”;
我试图覆盖Django模型的Django raise TypeError(“";%s()获得意外的关键字参数';%s';”;,django,django-rest-framework,Django,Django Rest Framework,我试图覆盖Django模型的save方法并发送额外的关键字参数。尽管代码看起来很好,但我得到了这个错误 raise TypeError(“%s()获得意外的关键字参数“%s”)(cls.name,kwarg)) TypeError:Student()获得意外的关键字参数“registration\u no” 我的模型: class StudentManager(models.Manager): #check the availability of student def Chec
save
方法并发送额外的关键字参数。尽管代码看起来很好,但我得到了这个错误
raise TypeError(“%s()获得意外的关键字参数“%s”)(cls.name,kwarg))
TypeError:Student()获得意外的关键字参数“registration\u no”
我的模型:
class StudentManager(models.Manager):
#check the availability of student
def CheckRegistration(self, name, registration_no):
print('inside CHECK REGISTRATION')
if Student.objects.filter(name=name).exists():
students = Student.objects.filter(name=name)
for student in students:
student_id = student.id
print(str(student_id))
registrations = Registration.objects.filter(student=student_id)
for registration in registrations:
print(str(registration))
if registration.registration_no==registration_no:
raise ValueError('student with same registration number already exist')
else:
print('registration possible')
return 1
class Student(models.Model):
name = models.CharField(max_length=300)
sex = models.CharField(choices=SEX_CHOICES,max_length=255, null=True)
Category = models.CharField(max_length=100, null=True)
objects = StudentManager()
def __str__(self):
return self.name
def save(self, *args, **kwargs):
if(kwargs):
name = kwargs.get('name')
registration_no = kwargs.get('registration_no')
Student.objects.CheckRegistration(name, registration_no)
super(Student, self).save(*args, **kwargs)
错误追踪
>>>Student.objects.create(name='AA',registrtion_no='BB')
Traceback (most recent call last):
File "<console>", line 1, in <module>
File "/home/tluanga/.local/share/virtualenvs/alpha-back-0LxWEk3n/lib/python3.6/site-packages/django/db/models/manager.py", line 82, in manager_method
return getattr(self.get_queryset(), name)(*args, **kwargs)
File "/home/tluanga/.local/share/virtualenvs/alpha-back-0LxWEk3n/lib/python3.6/site-packages/django/db/models/query.py", line 420, in create
obj = self.model(**kwargs)
File "/home/tluanga/.local/share/virtualenvs/alpha-back-0LxWEk3n/lib/python3.6/site-packages/django/db/models/base.py", line 501, in __init__
raise TypeError("%s() got an unexpected keyword argument '%s'" % (cls.__name__, kwarg))
TypeError: Student() got an unexpected keyword argument 'registrtion_no'
>>Student.objects.create(name='AA',registrion\u no='BB')
回溯(最近一次呼叫最后一次):
文件“”,第1行,在
文件“/home/tluanga/.local/share/virtualenvs/alpha-back-0LxWEk3n/lib/python3.6/site packages/django/db/models/manager.py”,第82行,在manager\u方法中
返回getattr(self.get_queryset(),name)(*args,**kwargs)
文件“/home/tluanga/.local/share/virtualenvs/alpha-back-0LxWEk3n/lib/python3.6/site packages/django/db/models/query.py”,第420行,在create中
obj=自身模型(**kwargs)
文件“/home/tluanga/.local/share/virtualenvs/alpha-back-0LxWEk3n/lib/python3.6/site packages/django/db/models/base.py”,第501行,在__
raise TypeError(“%s()获得意外的关键字参数“%s”)(cls.\uuuuuuu name\uuuuuuuuuuu,kwarg))
TypeError:Student()获得意外的关键字参数“registrtion\u no”
似乎您在书写“注册号”而不是“注册号”时出现了打字错误,因此请使用此选项:
Student.objects.create(name='AA',registration_no='BB')
希望这有帮助
如果没有,请发布“create”函数的代码您可以添加完整的错误回溯吗?我刚刚更新了我的帖子。请检查您不应该将参数
registrion\u no
传递到model类,因为registrion\u no
字段没有在您的模型中定义,可以使用传递参数imean register阿努诺