8

大多数情况下，我将平面页面用于一个站点（来自站点框架）。如何为所有创建的平面页面标记现有站点默认值？每次为创建的每个页面选择相同的站点都是浪费时间。有没有办法在模型或保存方法中覆盖它？

4

4 回答 4

9

allow for blank in sites field (models.py -> FlatPage.sites) and put this in your model Form (admin.py -> FlatPageForm)

def clean_sites(self):
    sites = self.cleaned_data.get('sites')
    print sites
    return [Site.objects.get(id=settings.SITE_ID)]

edit: I've come up with a better solution. This makes current site already focused in ManyToMany sites field. Edit flatpages/admin.py. Add :from django.contrib.sites.models import Site in the beggining of file and put following code into class FlatPageAdmin:

    def formfield_for_manytomany(self, db_field, request=None, **kwargs):
    if db_field.name == "sites":
        kwargs["initial"] = [Site.objects.get_current()]
    return super(FlatPageAdmin, self).formfield_for_foreignkey(db_field, request, **kwargs)

There is no need to allow for blank in sites field in FlatPage model

于 2011-04-14T20:57:45.327 回答
2

这是我的代码，它有效：

class CustomFlatPage(FlatPage):
    def save(self):
        super(CustomFlatPage, self).save()
        self.sites = [Site.objects.get(pk=1)]
        super(CustomFlatPage, self).save()
于 2011-01-24T20:37:17.357 回答
1

这是解决原始问题的完整工作代码（为所有创建的平面标记现有站点默认值）：

from django.conf import settings
from django.contrib.flatpages.models import FlatPage
from django.contrib.sites.models import Site

class CustomFlatPage(FlatPage):
    class Meta:
        proxy = True

    def save(self):
        self.sites = [Site.objects.get(pk=settings.SITE_ID)]
        super(CustomFlatPage, self).save()

还有这个解决方案：

  • 只在数据库中运行一个 INSERT 或一个 UPDATE。前一个是用一个 INSERT 和一个 UPDATE 或两个 UPDATE 击中数据库。
  • 通过 usingproxy = True不需要运行syncbdCustomFlatPage来为模型创建额外的表。
于 2011-04-24T21:45:23.847 回答
1

我采取了不同的方法，猴子修补 FlatpageForm Meta 以使用站点的自定义小部件。

from django.forms import SelectMultiple
from django.conf import settings
from django.contrib.flatpages.forms import FlatpageForm

class PreSelectDefaultSiteOnCreateSelectMultiple(SelectMultiple):
    def render(self, name, value, attrs=None, choices=()):
        if value is None:
            # None in the add form, a list, possibly empty, in
            # the edit form.  So we're adding a new instance here.
            value = [settings.SITE_ID]
        return super(PreSelectDefaultSiteOnCreateSelectMultiple, self
                     ).render(name, value, attrs, choices)

def flatpages():
    """Hack the sites field widget.
    """
    fpafm = FlatpageForm.Meta
    if getattr(fpafm, 'widgets', None) is None:
        fpafm.widgets = {}
    fpafm.widgets['sites'] = PreSelectDefaultSiteOnCreateSelectMultiple

在使用管理员之前，您必须从某处调用 flatpages()。我将上面的代码放在monkey_patches包中的模块admin.py中，然后在我的根urls.py中，它在第一次请求进入时被导入，我输入：

from monkey_patches.admin import flatpages
flatpages()

这是在 Django 1.4 和 python 2.7.3 下，但也应该适用于旧版本。

哦，请注意，如果您真的想要一个空站点关联，您可以有意取消选择它，因为这只是小部件初始化。随后的编辑将传递一个空列表以呈现为值，这不是无。

比尔，KE1G

于 2012-06-29T20:06:01.663 回答