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#!/usr/bin/env python3
from datetime import datetime
from rss_types import RSSFeed
def _format_date(dt):
"""convert a datetime into an RFC 822 formatted date
Input date must be in GMT.
Stolen from PyRSS2Gen.
"""
# Looks like:
# Sat, 07 Sep 2002 00:00:01 GMT
# Can't use strftime because that's locale dependent
#
# Isn't there a standard way to do this for Python? The
# rfc822 and email.Utils modules assume a timestamp. The
# following is based on the rfc822 module.
weekdays = [
"Mon",
"Tue",
"Wed",
"Thu",
"Fri",
"Sat",
"Sun",
]
months = [
"Jan",
"Feb",
"Mar",
"Apr",
"May",
"Jun",
"Jul",
"Aug",
"Sep",
"Oct",
"Nov",
"Dec",
]
return "%s, %02d %s %04d %02d:%02d:%02d GMT" % (
weekdays[dt.weekday()],
dt.day,
months[dt.month - 1],
dt.year,
dt.hour,
dt.minute,
dt.second,
)
def escape(str):
str = str.replace("&", "&")
return str
def buildRSS(feed_data: RSSFeed):
feed = f"""<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0" xmlns:media="http://search.yahoo.com/mrss/">
<channel>
<title>{feed_data.title}</title>
<link>{feed_data.url}</link>
<description>{escape(feed_data.description)}</description>
<lastBuildDate>{_format_date(datetime.now())}</lastBuildDate>"""
for item in feed_data.content:
feed += " <item>"
feed += f" <title><![CDATA[{item.title or 'N/A'}]]></title>"
feed += f" <link>{item.url or 'N/A'}</link>"
feed += f" <description><![CDATA[{item.content or 'N/A'}]]></description>"
if item.date:
if isinstance(item.date, str):
feed += f" <pubDate>{item.date}</pubDate>"
else:
feed += f" <pubDate>{_format_date(item.date)}</pubDate>"
for enclosure in item.enclosures:
feed += f' <media:content url="{enclosure}" />'
if item.guid:
feed += f" <guid>{item.guid}</guid>"
feed += " </item>"
feed += " </channel>"
feed += "</rss>"
return feed
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