我无法使用Djongo作为引擎在Django中设置ArrayReferenceField。我正在尝试建立一个数据库,该数据库存储具有与使用ArrayReferenceField生成该项目相关的技能的学生的项目。该表单是通过“管理页面”生成的,但是在单击“保存”时会生成以下错误。 This is the image of the input I give on the django admin page
我调查了类似的问题,但没有一个能够回答我的问题。我什至尝试使用ManyToManyField代替它,并且给出了相同的错误。有人可以帮我解决这个问题。预先感谢。
enter code here
class Skill(models.Model):
id = models.AutoField(primary_key = True)
skills = models.CharField(max_length = 30)
def __str__(self):
return self.skills
class UserCredential(models.Model):
first_name = models.CharField(max_length = 25)
last_name = models.CharField(max_length = 25)
email = models.EmailField()
username = models.CharField(max_length = 50, unique = True)
password = models.CharField(max_length = 25)
skills = models.ArrayReferenceField(to=Skill ,
on_delete=models.CASCADE)
class Project(models.Model):
title = models.CharField(max_length = 100)
user = models.ForeignKey(to=UserCredential ,
on_delete=models.CASCADE)
description = models.TextField()
req_skills = models.ArrayReferenceField(to=Skill ,
on_delete=models.CASCADE)
class ProjectSerializer(serializers.ModelSerializer):
model = Project
fields = "__all__"
class Meta:
ordering = ["title"]
class SkillSerializer(serializers.ModelSerializer):
model = Skill
fields = ('skills',)
class UserCredentialListCreateView(generics.ListCreateAPIView):
queryset = UserCredential.objects.all()
serializer_class = UserCredentialSerializer
permission_classes = (IsAdminUser,)
class ProjectListCreateView(generics.ListCreateAPIView):
queryset = Project.objects.all()
serializer_class = ProjectSerializer
permission_classes = (IsAdminUser,)
class SkillListCreateView(generics.ListCreateAPIView):
queryset = Skill.objects.all()
serializer_class = SkillSerializer
permission_classes = (IsAdminUser,)
Traceback (most recent call last):
File "C:\Users\Bharat\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django-2.1.1-py3.6.egg\django\core\handlers\exception.py", line 34, in inner
response = get_response(request)
File "C:\Users\Bharat\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django-2.1.1-py3.6.egg\django\core\handlers\base.py", line 126, in _get_response
response = self.process_exception_by_middleware(e, request)
File "C:\Users\Bharat\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django-2.1.1-py3.6.egg\django\core\handlers\base.py", line 124, in _get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "C:\Users\Bharat\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django-2.1.1-py3.6.egg\django\contrib\admin\options.py", line 604, in wrapper
return self.admin_site.admin_view(view)(*args, **kwargs)
File "C:\Users\Bharat\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django-2.1.1-py3.6.egg\django\utils\decorators.py", line 142, in _wrapped_view
response = view_func(request, *args, **kwargs)
File "C:\Users\Bharat\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django-2.1.1-py3.6.egg\django\views\decorators\cache.py", line 44, in _wrapped_view_func
response = view_func(request, *args, **kwargs)
File "C:\Users\Bharat\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django-2.1.1-py3.6.egg\django\contrib\admin\sites.py", line 223, in inner
return view(request, *args, **kwargs)
File "C:\Users\Bharat\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django-2.1.1-py3.6.egg\django\contrib\admin\options.py", line 1636, in add_view
return self.changeform_view(request, None, form_url, extra_context)
File "C:\Users\Bharat\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django-2.1.1-py3.6.egg\django\utils\decorators.py", line 45, in _wrapper
return bound_method(*args, **kwargs)
File "C:\Users\Bharat\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django-2.1.1-py3.6.egg\django\utils\decorators.py", line 142, in _wrapped_view
response = view_func(request, *args, **kwargs)
File "C:\Users\Bharat\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django-2.1.1-py3.6.egg\django\contrib\admin\options.py", line 1525, in changeform_view
return self._changeform_view(request, object_id, form_url, extra_context)
File "C:\Users\Bharat\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django-2.1.1-py3.6.egg\django\contrib\admin\options.py", line 1557, in _changeform_view
form_validated = form.is_valid()
File "C:\Users\Bharat\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django-2.1.1-py3.6.egg\django\forms\forms.py", line 185, in is_valid
return self.is_bound and not self.errors
File "C:\Users\Bharat\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django-2.1.1-py3.6.egg\django\forms\forms.py", line 180, in errors
self.full_clean()
File "C:\Users\Bharat\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django-2.1.1-py3.6.egg\django\forms\forms.py", line 383, in full_clean
self._post_clean()
File "C:\Users\Bharat\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django-2.1.1-py3.6.egg\django\forms\models.py", line 403, in _post_clean
self.instance.full_clean(exclude=exclude, validate_unique=False)
File "C:\Users\Bharat\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django-2.1.1-py3.6.egg\django\db\models\base.py", line 1130, in full_clean
self.clean_fields(exclude=exclude)
File "C:\Users\Bharat\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django-2.1.1-py3.6.egg\django\db\models\base.py", line 1172, in clean_fields
setattr(self, f.attname, f.clean(raw_value, self))
File "C:\Users\Bharat\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django-2.1.1-py3.6.egg\django\db\models\fields\__init__.py", line 631, in clean
self.validate(value, model_instance)
File "C:\Users\Bharat\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django-2.1.1-py3.6.egg\django\db\models\fields\related.py", line 903, in validate
**{self.remote_field.field_name: value}
File "C:\Users\Bharat\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django-2.1.1-py3.6.egg\django\db\models\query.py", line 844, in filter
return self._filter_or_exclude(False, *args, **kwargs)
File "C:\Users\Bharat\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django-2.1.1-py3.6.egg\django\db\models\query.py", line 862, in _filter_or_exclude
clone.query.add_q(Q(*args, **kwargs))
File "C:\Users\Bharat\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django-2.1.1-py3.6.egg\django\db\models\sql\query.py", line 1263, in add_q
clause, _ = self._add_q(q_object, self.used_aliases)
File "C:\Users\Bharat\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django-2.1.1-py3.6.egg\django\db\models\sql\query.py", line 1287, in _add_q
split_subq=split_subq,
File "C:\Users\Bharat\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django-2.1.1-py3.6.egg\django\db\models\sql\query.py", line 1225, in build_filter
condition = self.build_lookup(lookups, col, value)
File "C:\Users\Bharat\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django-2.1.1-py3.6.egg\django\db\models\sql\query.py", line 1096, in build_lookup
lookup = lookup_class(lhs, rhs)
File "C:\Users\Bharat\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django-2.1.1-py3.6.egg\django\db\models\lookups.py", line 20, in __init__
self.rhs = self.get_prep_lookup()
File "C:\Users\Bharat\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django-2.1.1-py3.6.egg\django\db\models\lookups.py", line 70, in get_prep_lookup
return self.lhs.output_field.get_prep_value(self.rhs)
File "C:\Users\Bharat\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django-2.1.1-py3.6.egg\django\db\models\fields\__init__.py", line 965, in get_prep_value
return int(value)
TypeError: int() argument must be a string, a bytes-like object or a number, not 'set'