69 lines
2.4 KiB
Python
69 lines
2.4 KiB
Python
from datetime import datetime
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import sqlite3
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from bs4 import BeautifulSoup
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from markdown import markdown
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def soup_append_multiple_tags(soup: BeautifulSoup, children: dict) -> None:
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for name, string in children.items():
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soup.append(soup.new_tag(name))
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soup.find_all(name)[-1].string = string
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def post_find_first_plain_line(post: str) -> str:
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while post:
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if post[0].isalnum():
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break
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end = post.find("\n")
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post = post[end+1:]
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end = post.find("\n")
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return post[:end]
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def generate_feed(db):
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soup = BeautifulSoup(features="xml")
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soup.append(soup.new_tag("rss", version="2.0"))
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rss = soup.rss
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rss["xmlns:atom"] = "http://www.w3.org/2005/Atom"
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rss["xmlns:content"] = "http://purl.org/rss/1.0/modules/content/"
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rss.append(soup.new_tag("channel"))
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channel = rss.channel
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channel_children = {
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"description": "Blog posts from allsparkinfinite's blog",
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"link": "https://blog.allsparkinfinite.name",
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"title": "blogsparkinfinite",
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"docs": "https://rssboard.org/rss-specification",
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"language": "en-IN",
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"lastBuildDate": datetime.now().strftime("%a, %d %b %Y %T +0530"),
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"ttl": "240",
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}
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soup_append_multiple_tags(channel, channel_children)
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channel.append(channel.new_tag("atom:link"))
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channel.find_all("atom:link")[-1]["href"] = "https://blog.allsparkinfinite.name/rss/"
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channel.find_all("atom:link")[-1]["rel"] = "self"
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channel.find_all("atom:link")[-1]["type"] = "application/rss+xml"
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channel.append(channel.new_tag("atom:link"))
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channel.find_all("atom:link")[-1]["href"] = "https://blog.allsparkinfinite.name/"
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channel.find_all("atom:link")[-1]["rel"] = "alternate"
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channel.find_all("atom:link")[-1]["type"] = "text/html"
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posts = db.execute("SELECT * FROM post").fetchall()
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posts.reverse()
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for post in posts:
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channel.append(soup.new_tag("item"))
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item = channel.find_all("item")[-1]
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item_children = {
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"description": post_find_first_plain_line(post[4]),
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"guid": f"https://blog.allsparkinfinite.name/{post[0]}/",
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"pubDate": post[2].strftime("%a, %d %b %Y %T GMT"),
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"title": post[3],
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"content:encoded": markdown(post[4]),
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}
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soup_append_multiple_tags(item, item_children)
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with open("flaskr/static/rss.xml", "w") as f:
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f.write(soup.prettify())
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