Initial commit of RSS converter application

1 files changed, 56 insertions, 0 deletions

diff --git a/rss.py b/rss.py
new file mode 100755
index 0000000..66ffb35
--- /dev/null
+++ b/rss.py
@@ -0,0 +1,56 @@
+#!/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