django - 如何使 django-taggit 管理文本输入字段更大？

Question

根据标题，我如何告诉管理界面（admin.py）为使用 django-taggit 的模型的标签字段使用自定义大小：

tags = TaggableManager()

谢谢

Answer 1

与Django Admin - Overriding the widget of a custom form field类似的问题。

但是，您需要覆盖任何 admin.widget，例如 AdminTextareaWidget，以便正确显示标签。否则表单字段值将显示为

[<TaggedItem: Product object tagged with bar>, 
<TaggedItem: Product object tagged with foo>, 
<TaggedItem: Product object tagged with baz>]

示例代码来说明这一点。

#forms.py

from django import forms
from django.contrib.admin.widgets import AdminTextareaWidget
from django.utils import six

from models import Product

from taggit.utils import edit_string_for_tags


class TaggitAdminTextareaWidget(AdminTextareaWidget):
    # taken from taggit.forms.TagWidget
    def render(self, name, value, attrs=None):
        if value is not None and not isinstance(value, six.string_types):
            value = edit_string_for_tags([o.tag for o in value.select_related("tag")])
        return super(TaggitAdminTextareaWidget, self).render(name, value, attrs)


class ProductAdminForm(forms.ModelForm):
    class Meta:
        model = Product
        widgets = {
            'tags': TaggitAdminTextareaWidget
        }