[英]How to add an image to Django's Syndication RSS-feed
Having this model:拥有这个 model:
class MyModel(models.Model):
…
image = StdImageField(
upload_to="img/images",
blank=True,
variations={
"large": (1024, 1024),
"thumbnail": (150, 150, False),
"medium": (600, 600),
},
delete_orphans=True,
)
and this view而这个观点
…
from django.contrib.syndication.views import Feed
…
class LatestItems(Feed):
title = "LatestItems"
description = "Latest Items"
link = "/sitenews/"
def items(self):
return MyModel.objects.all()
def item_title(self, item):
return item.description_short
def item_description(self, item):
return item.description
def item_link(self, item):
return reverse('item_detail', args=[item.pk])
How to add an image to the body of an RSS-article?如何将图像添加到 RSS 文章的正文中?
Create a custom feed_type
and set in the Feed
view,创建自定义feed_type
并在Feed
视图中设置,
from django.contrib.syndication.views import Feed
from django.utils.feedgenerator import Rss201rev2Feed from django.conf import settings class CustomFeed(Rss201rev2Feed): def add_item_elements(self, handler, item): super().add_item_elements(handler, item) handler.addQuickElement("image", item["image"])
class LatestItems(Feed):
feed_type = CustomFeed
title = "LatestItems"
description = "Latest Items"
link = "/sitenews/"
def items(self):
return MyModel.objects.all()
def item_title(self, item):
return item.description_short
def item_description(self, item):
return item.description
def item_link(self, item):
return reverse('item_detail', args=[item.pk])
def get_context_data(self, **kwargs): setattr(self, 'request', kwargs['request']) # to access the request object later return super().get_context_data(**kwargs) def item_extra_kwargs(self, item): img_url = item.image.url request_url = self.request.build_absolute_uri('/')[:-1] image_url_abs = f"{request_url}{settings.STATIC_URL}{img_url}" return { 'image': image_url_abs }
A -- maybe not technically best -- approach that works so far for me is to define my own template.一个——也许在技术上不是最好的——到目前为止对我有用的方法是定义我自己的模板。 Even it's not encapslled in CDATA or using the enclosure-tag of RSS it appers to be rendered correctly in most of the RSS reader I'Ve tried -- so a clear "works for me".即使它没有封装在 CDATA 中或使用 RSS 的附件标签,它也可以在我尝试过的大多数 RSS 阅读器中正确呈现——所以一个明确的“对我有用”。
description_template = "feeds/latest.html"
The template is a normal Jinja-template, which is not uspporting full set of HTML.模板为普通Jinja-template,不支持HTML全套。 However, for my little project a template like然而,对于我的小项目,一个模板像
<h1>{{ obj.description_short}}</h1>
<img src="{{request.scheme}}://{{request.META.HTTP_HOST}}{{obj.image.medium.url}}" />
(Not happy with the build of URL, but this should be solveable with eg the idea of another answer (对 URL 的构建不满意,但这应该可以通过例如另一个答案的想法来解决
def item_extra_kwargs(self, item):
…
So my complete view looks something like this:所以我的完整视图看起来像这样:
class LatestFeed(Feed):
title = "Latest Items"
description = "Latest Items"
link = "/"
description_template = "feeds/latest.html"
def items(self):
return myModel.objects.all()
def item_title(self, item):
return item.title
def item_description(self, item):
return item.detail
def item_link(self, item):
return reverse('item_detail', args=[item.pk])
Try this:尝试这个:
...
class LatestItems(Feed):
...
def item_image(self, item):
domain = 'https://example.com'
return domain + item.image.url
...
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