django modeladmin,readonly_fields和boolean字段 [英] django modeladmin, readonly_fields and boolean fields
问题描述
#在模型中。 py
class MyModel(models.Model):
...
my_field = models.BooleanField(...)
#在admin.py
class MyModelAdmin(admin.ModelAdmin):
readonly_fields(my_field,...)
我的问题是现在我的布尔字段总是显示为空,独立于字段本身的实际值。
我没有找到任何解决方案对于这个问题,它只发生在我身上吗?
我不知道这可能是否相关,但我正在使用grappelli == 2.4.5
谢谢
Ok,
ve找到了一个解决方案(完美,但是一个很好的起点)。我简单地在 ModelAdmin
的具体化中覆盖了 get_form(...)
模型:
def get_form(self,* args,** kwargs):
form = super(SupplierAdmin,self).get_form (* args,** kwargs)
在self.fake_readonly_fields中的field_name:
form.base_fields [field_name] .widget.attrs [disabled] =disabled
返回表单
我将我的readonly字段的列表重命名为code> fake_readonly_fields ,以免混乱Django readonly_fields
。这适用于文本框,复选框和选择(我猜也是单选按钮,但我没有验证它...)。现在我正在寻找上传文件输入的解决方案...
Btw我不知道这个解决方案是否会导致安全问题(例如一些制作的消息到服务器可以克服我的html禁用字段,并传递新数据来覆盖旧值...),但这是一个不同的(仍然相关的)主题
I've a simple model with a boolean field in it, and the related admin view:
# in models.py
class MyModel(models.Model):
...
my_field = models.BooleanField(...)
# in admin.py
class MyModelAdmin(admin.ModelAdmin):
readonly_fields ("my_field", ...)
My problem is that now my boolean field appears always empty, independently from the actual value of the field itself.
I didn't find any solution to this problem, does it happen only to me?
I don't know if it may be relevant, but I'm using grappelli == 2.4.5
Thanks
Ok,
after some searching I've found a solution (perfectible, but a good starting point). I've simply overridden the get_form(...)
model in my concretization of ModelAdmin
:
def get_form(self, *args, **kwargs):
form = super(SupplierAdmin, self).get_form(*args, **kwargs)
for field_name in self.fake_readonly_fields:
form.base_fields[field_name].widget.attrs["disabled"] = "disabled"
return form
I renamed the list of my readonly fields to fake_readonly_fields
, in order not to mess with Django readonly_fields
. This works for textboxes, checkboxes and selects (I guess also for radio buttons, but I didn't verify it...). Now I'm looking for a solution for upload file inputs ...
Btw I don't know if this solution can cause "security" problems (e.g. some crafted message to the server can overcome my html-disabled fields, and pass new data to overwrite old values ...) but that's a different (still relevant) topic
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