def build_feed(posts: List[Post], feed_metadata: FeedMetadata) -> Feed:
feed_items: List[Item] = []
for post in posts:
if not post.metadata.hidden:
feed_items.append(
build_item(post, feed_metadata.base_url,
feed_metadata.base_image_url))
feed = Feed(
title=feed_metadata.title,
link=feed_metadata.link,
description=feed_metadata.description,
language=feed_metadata.language,
lastBuildDate=datetime.now(),
items=feed_items,
extensions=[ContentExtension()],
)
feed.docs = None
feed.generator = None
return feed
def get_xml(self: Serializer, response: Response) -> Tuple[str, int]:
"""
Serialize the provided response data into RSS, version 2.0.
Parameters
----------
response : Response
The search response data to be serialized.
Returns
-------
data : str
The serialized XML results.
status
The HTTP status code for the operation.
"""
# Get the archive info from the first hit. Is this OK?
archive = response.hits[0]["primary_classification"]["archive"]
archive_id = archive["id"]
archive_name = archive["name"]
feed = Feed(
title=f"{archive_id} updates on arXiv.org",
link="http://arxiv.org/",
description=f"{archive_name} ({archive_id}) updates on the arXiv.org e-print archive",
language="en-us",
pubDate=datetime.now(),
lastBuildDate=datetime.now(),
managingEditor="*****@*****.**"
)
# Remove two elements added by the Rfeed package
feed.generator = None
feed.docs = None
# Add extensions that will show up as attributes of the rss element
feed.extensions.append(Content())
feed.extensions.append(Taxonomy())
feed.extensions.append(Syndication())
feed.extensions.append(Admin())
feed.image = Image(url="http://arxiv.org/icons/sfx.gif",
title="arXiv.org", link="http://arxiv.org")
# Add each search result "hit" to the feed
for hit in response:
# Add links for each author and the abstract to the description element
description = "<p>Authors: "
first = True
for author in hit['authors']:
if first:
first = False
else:
description += ", "
name = f"{author['last_name']},+{author['initials'].replace(' ', '+')}"
description += f"<a href='http://arxiv.org/search/?query={name}&searchtype=author'>"
description += f"{author['full_name']}</a>"
description += f"</p><p>{hit['abstract']}</p>"
# Create the item element for the "hit"
item = Item(
title=hit['title'],
link=url_for("abs_by_id", paper_id=hit['paper_id']),
# link=f"http://arxiv.org/abs/{hit['paper_id']}",
description=description,
guid=Guid(f"oai:arXiv.org:{hit['paper_id']}", isPermaLink=False)
)
feed.items.append(item)
# Print and return the feed content
data = feed.rss()
status_code = status.HTTP_200_OK
return data, status_code