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#!/usr/bin/env python3
"""Create a rss feed from a list of item files"""
import argparse
from email.utils import parsedate_to_datetime, formatdate
from datetime import datetime
from string import Template
import sys
import xml.etree.ElementTree as ET
FEED_HEAD = """<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0">
<channel>
<title>$title</title>
<link>$link</link>
<description>$description</description>
<language>$language</language>
<pubDate>$pubDate</pubDate>"""
FEED_TAIL = """</channel>
</rss>"""
def item_date_to_epoch(item) -> int:
"""return the time from epoch to the pubDate of an item"""
pub_date = item.find('pubDate')
date = parsedate_to_datetime(pub_date.text)
return date.timestamp()
def main():
"""read item files sort them and print a sorted rss feed"""
parser = argparse.ArgumentParser()
parser.add_argument('--link', default='https://muhq.space/muhqs-game')
parser.add_argument('--title', default="Muhq's Game")
parser.add_argument('--description',
default="What is happening with muhq's game?")
parser.add_argument('--language', default='en')
parser.add_argument('--pubDate', default='Sun, 18 May 2025 20:21:20 -0600')
parser.add_argument('items', nargs='*')
args = parser.parse_args()
head = Template(FEED_HEAD)
print(head.substitute(**args.__dict__))
items = []
for item_path in args.items:
items.append(ET.parse(item_path))
items.sort(reverse=True, key=item_date_to_epoch)
last_build_date = formatdate(datetime.now().timestamp())
print(f'<lastBuildDate>{last_build_date}</lastBuildDate>')
for item in items:
item.write(sys.stdout, encoding='unicode')
print()
print(FEED_TAIL)
if __name__ == '__main__':
main()
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