makerss.py

#!/usr/local/bin/python

# Copyright (c) 2006 Jack Twilley <jmt@twilley.org>

# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
# 
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

# Generate RSS files for Morse code files.  An RSS file will be
# created for each pair of number-of-characters and speed, with one
# element for each of the days -- much like other RSS files.

import os,sys
from stat import *
import time
import datetime
import PyRSS2Gen
import md5

webtop = "http://www.twilley.org/~jmt/morse"
filetop = "/home/jmt/public_html/morse"

def get_hash(filename):
    """ Return md5 hash (from dupes.py on the net) """
    f = open(filename,'rb')
    hsh = md5.new()
    while 1:
        data = f.read(2048)
        if not data: break
        hsh.update(data)
    f.close()
    return hsh.hexdigest()

for ncindex in range(2, 43):
    for spindex in (20, 13, 5):
        filebase = "%d-%d" % (ncindex, spindex)
        rss = PyRSS2Gen.RSS2(
            title = "Morse code practice - %d WPM - %d chars" % (spindex, ncindex),
            link = "%s/rss/%s.rss" % (webtop, filebase),
            description = "Morse code practice sessions automatically generated by newkoch.pl and tomorse.",
            lastBuildDate = datetime.datetime.now(),

            items = [
            PyRSS2Gen.RSSItem(
            title = "Practice file for today",
            link = "%s/today/%s.mp3" % (webtop, filebase),
            description = "Practice file for today",
            pubDate = datetime.datetime.fromtimestamp(time.mktime(time.localtime(os.stat("%s/today/%s.mp3" % (filetop, filebase))[ST_CTIME]))),
            enclosure = PyRSS2Gen.Enclosure("%s/today/%s.mp3" % (webtop, filebase), os.stat("%s/today/%s.mp3" % (filetop, filebase))[ST_SIZE], "audio/mpeg"),
            guid = PyRSS2Gen.Guid(get_hash("%s/today/%s.mp3" % (filetop, filebase)), 0),
            ),
            PyRSS2Gen.RSSItem(
            title = "Answer file for today",
            link = "%s/today/%s.mp3" % (webtop, ncindex),
            description = "Answer file for today",
            pubDate = datetime.datetime.fromtimestamp(time.mktime(time.localtime(os.stat("%s/today/%s.mp3" % (filetop, ncindex))[ST_CTIME]))),
            enclosure = PyRSS2Gen.Enclosure("%s/today/%s.mp3" % (webtop, ncindex), os.stat("%s/today/%s.mp3" % (filetop, ncindex))[ST_SIZE], "audio/mpeg"),
            guid = PyRSS2Gen.Guid(get_hash("%s/today/%s.mp3" % (filetop, ncindex)), 0),
            ),
            PyRSS2Gen.RSSItem(
            title = "Practice file for yesterday",
            link = "%s/yesterday/%s.mp3" % (webtop, filebase),
            description = "Practice file for yesterday",
            pubDate = datetime.datetime.fromtimestamp(time.mktime(time.localtime(os.stat("%s/yesterday/%s.mp3" % (filetop, filebase))[ST_CTIME]))),
            enclosure = PyRSS2Gen.Enclosure("%s/yesterday/%s.mp3" % (webtop, filebase), os.stat("%s/yesterday/%s.mp3" % (filetop, filebase))[ST_SIZE], "audio/mpeg"),
            guid = PyRSS2Gen.Guid(get_hash("%s/yesterday/%s.mp3" % (filetop, filebase)), 0),
            ),
            PyRSS2Gen.RSSItem(
            title = "Answer file for yesterday",
            link = "%s/yesterday/%s.mp3" % (webtop, ncindex),
            description = "Answer file for yesterday",
            pubDate = datetime.datetime.fromtimestamp(time.mktime(time.localtime(os.stat("%s/yesterday/%s.mp3" % (filetop, ncindex))[ST_CTIME]))),
            enclosure = PyRSS2Gen.Enclosure("%s/yesterday/%s.mp3" % (webtop, ncindex), os.stat("%s/yesterday/%s.mp3" % (filetop, ncindex))[ST_SIZE], "audio/mpeg"),
            guid = PyRSS2Gen.Guid(get_hash("%s/yesterday/%s.mp3" % (filetop, ncindex)), 0),
            ),
            PyRSS2Gen.RSSItem(
            title = "Practice file for the day before yesterday",
            link = "%s/daybefore/%s.mp3" % (webtop, filebase),
            description = "Practice file for the day before yesterday",
            pubDate = datetime.datetime.fromtimestamp(time.mktime(time.localtime(os.stat("%s/daybefore/%s.mp3" % (filetop, filebase))[ST_CTIME]))),
            enclosure = PyRSS2Gen.Enclosure("%s/daybefore/%s.mp3" % (webtop, filebase), os.stat("%s/daybefore/%s.mp3" % (filetop, filebase))[ST_SIZE], "audio/mpeg"),
            guid = PyRSS2Gen.Guid(get_hash("%s/daybefore/%s.mp3" % (filetop, filebase)), 0),
            ),
            PyRSS2Gen.RSSItem(
            title = "Answer file for the day before yesterday",
            link = "%s/daybefore/%s.mp3" % (webtop, ncindex),
            description = "Answer file for day before yesterday",
            pubDate = datetime.datetime.fromtimestamp(time.mktime(time.localtime(os.stat("%s/daybefore/%s.mp3" % (filetop, ncindex))[ST_CTIME]))),
            enclosure = PyRSS2Gen.Enclosure("%s/daybefore/%s.mp3" % (webtop, ncindex), os.stat("%s/daybefore/%s.mp3" % (filetop, ncindex))[ST_SIZE], "audio/mpeg"),
            guid = PyRSS2Gen.Guid(get_hash("%s/daybefore/%s.mp3" % (filetop, ncindex)), 0),
            ),
            ])

        rss.write_xml(open("%s/rss/%s.rss" % (filetop, filebase), "w"))