Python ReferenceField和Wtforms
我与mongoengine和wtforms之间存在连接问题 我试图使用角色类将权限赋予用户类,但无法将角色类外键赋予用户类 这是我的代码:Python ReferenceField和Wtforms,python,flask,mongoengine,flask-wtforms,flask-mongoengine,Python,Flask,Mongoengine,Flask Wtforms,Flask Mongoengine,我与mongoengine和wtforms之间存在连接问题 我试图使用角色类将权限赋予用户类,但无法将角色类外键赋予用户类 这是我的代码: # On class File from mongoengine import Document, StringField, ReferenceField class User(Document): username = StringField(unique=True) password = StringField() role =
# On class File
from mongoengine import Document, StringField, ReferenceField
class User(Document):
username = StringField(unique=True)
password = StringField()
role = RefrenceField(Role, default=Role.objects.get(num=3))
class Role(Document):
num = IntField()
name = StringField()
# On form File
from wtforms import Form, StringField, SelectField
class UserEditForm(Form):
username = StringField(u'Username', [validators.required()]
role = SelectField(u'Role', [validators.required()], choices=[(r.id, r.name) for r in Role.objects])
保存时,我收到以下错误消息:
ValidationError: ValidationError (User:53a14fb0cdc4674abf452f2d) (A ReferenceField only accepts DBRef or documents: ['role'])
我试图用r和r._object_键替换r.id,但没有结果
谢谢,我找到了答案:SelectField不会为ReferenceField返回良好的类型元素
这是我的新代码:
# form File
class UserEditForm(Form):
username = StringField(u'Username', [validators.required()])
role = SelectField(u'Role', [validators.required()], choices=[(r.num, r.name) for r in Role.objects], coerce=int)
# Controller class
class EditUser(MethodView):
def get_context(self, id):
usr = User.objects.get(id=id)
form = UserEditForm(request.form, usr)
return {"usr": usr, "form": form}
def post(self, id):
context = self.get_context(id)
form = context.get("form")
if form.validate():
usr = context.get("usr")
form.populate_obj(usr)
usr.role = Role.objects.get(num=form.role.data)
usr.save()
return redirect("/user_edit/" + id)
return response("form error validation")
祝你今天愉快