admin.py 文件源码

def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)

        try:
            obj = self.instance.get_edited_object()
        except ObjectDoesNotExist:
            self.fields['object_link'].widget = forms.HiddenInput()
            self.fields['object_link'].help_text = '--//--'
        else:
            self.initial['object_link'] = self.instance.get_admin_url()
            self.fields['object_link'].widget.text = str(obj)

        if self.instance.user:
            admin_user_model = settings.AUTH_USER_MODEL.lower().replace('.', '_')
            self.initial['user_link'] = resolve_url('admin:{}_change'.format(admin_user_model), self.instance.user.pk)
            self.fields['user_link'].widget.text = str(self.instance.user)
        else:
            self.fields['user_link'].widget = forms.HiddenInput()
            self.fields['user_link'].help_text = '--//--'