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#!/usr/bin/env python3
from datetime import datetime
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.
return "%s, %02d %s %04d %02d:%02d:%02d GMT" % (
["Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"][dt.weekday()],
dt.day,
["Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"][dt.month-1],
dt.year, dt.hour, dt.minute, dt.second)
def buildRSS(title, url, description, content):
"""
Feed basic info: title, url, descriptions
Content: List[Dict{title, url, content, date, enclosures, guid}]
"""
feed = """<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0" xmlns:media="http://search.yahoo.com/mrss/">
<channel>
<title>""" + title + """</title>
<link>""" + url + """</link>
<description>""" + description + """</description>
<lastBuildDate>""" + _format_date(datetime.now()) + """</lastBuildDate>"""
for item in content:
feed += ' <item>'
feed += ' <title><![CDATA[' + item.get('title', 'N/A') + ']]></title>'
feed += ' <link>' + item.get('url', 'N/A') + '</link>'
feed += ' <description><![CDATA[' + item.get('content', 'N/A') + ']]></description>'
if 'date' in item:
if type(item['date']) is str:
feed += ' <pubDate>' + item['date'] + '</pubDate>'
else:
feed += ' <pubDate>' + _format_date(item['date']) + '</pubDate>'
for enclosure in item.get('enclosures', []):
feed += ' <media:content url="' + enclosure + '" />'
if 'guid' in item:
feed += ' <guid>' + item['guid'] + '</guid>'
feed += ' </item>'
feed += ' </channel>'
feed += '</rss>'
return feed
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