如何删除Django管理员中的添加按钮,具体型号? [英] How to remove Add button in Django admin, for specific Model?
问题描述
我有Django模型AmountOfBooks,只是作为图书模型的平衡使用。
如果这不是数据库建模的好模式,那就这样说。
无论如何AmountOfBooks有两个字段:
class AmountOfBooks(models。模型):
book = models.ForeignKey(Book,editable = False)
amount = models.PositiveIntegerField(default = 0,editable = False,help_text =书量)
它们设置为editable = False,因为此模型仅由代码编辑。
例如当在AmountOfBooks中创建该书的对象时,该对象将被设置为0,并且当添加了书籍时,或者增加或减少了余额。
因此,当我点击Django管理员中的添加图书数量按钮时,不会显示AmountOfBooks模型的字段。
但是,我想从Django管理员中删除那个对于AmountOfBooks模型的按钮。
如何做?
div class =h2_lin>解决方案
很简单,只需在你的Admin类中重载has_add_permission方法,例如:
code> class MyAdmin(admin.ModelAdmin):
def has_add_permission(self,request):
return False
I have Django model "AmountOfBooks" that is used just as balance for Book model.
If this is not good pattern for database modeling just say so.
Anyway AmountOfBooks have two fields:
class AmountOfBooks(models.Model):
book = models.ForeignKey(Book, editable=False)
amount = models.PositiveIntegerField(default=0, editable=False, help_text="Amount of book.")
They are set to editable=False, because this model is meant to be edited only by code.
Eg. when book is created object for that book in AmountOfBooks is set to 0 and when books are added or taken balance is either increased or decreased.
So in this way fields for AmountOfBooks model are not shown when I click on"Add Amount of books" button in Django admin.
But I want to remove that button from Django admin just for AmountOfBooks model.
How to do it ?
UPDATE
Continuation of this question is available on How to make Django model just view (read-only) in Django Admin?
It is easy, just overload has_add_permission method in your Admin class like so:
class MyAdmin(admin.ModelAdmin):
def has_add_permission(self, request):
return False
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