palmagent: itunekb.py@b1668055c25d

        1 """itunekb.py -- treat iTunes playlists as semantic web data

        3 refs: http://weborganics.co.uk/haudio-rss/

        4 http://microformats.org/wiki/haudio

        5 """

        7 import plistlib

        8 import os

       10 from genshi.template import MarkupTemplate # http://genshi.edgewall.org/ http://pypi.python.org/pypi/Genshi/

       12 def main(argv):

       13     import sys

       15     #@@ usage check...

       16     playlistname = unicode(argv[1])

       18     library = plistlib.readPlistFromString(open(musicPath()).read())

       19     tpl = MarkupTemplate(TEMPLATE)

       21     for bytes in pour(library, tpl, playlistname):

       22 	sys.stdout.write(bytes)

       24 def pour(library, tpl, playlistname):

       25     playlists = [v for v in library['Playlists'] if v['Name'] == playlistname]

       26     if not playlists:

       27 	raise KeyError, playlistname # sorta like 404 not found

       28     for playlist in playlists:

       29 	fullitems(playlist, library)

       31     for chunk in tpl.generate(playlists=playlists).serialize():

       32 	yield chunk.encode('utf-8')

       34 def fullitems(playlist, library):

       35     playlist['Playlist Items'] = [library['Tracks'][`item['Track ID']`]

       36 				  for item in playlist['Playlist Items']]

       38 def musicPath(path="Music/iTunes/iTunes Music Library.xml"):

       39     return os.path.join(os.environ["HOME"], path)

       41 def _test():

       42     import pprint

       44     txt = open(musicPath()).read()

       45     lib = plistlib.readPlistFromString(txt)

       46     print lib.keys()

       48     pprint.pprint(lib['Tracks'])

       50 TEMPLATE="""

       51 <!DOCTYPE html>

       52 <html xmlns="http://www.w3.org/1999/xhtml"

       53       xmlns:py="http://genshi.edgewall.org/">

       54 <head  profile="http://www.w3.org/2003/g/data-view#">

       55   <title>${playlists[0]['Name']}</title>

       56   <link rel="transformation" href="http://tools.weborganics.co.uk/xsl/hAudio2RDF.xsl" />

       57   <style type="text/css">

       58     dl dt { font-weight: bold }

       59   </style>

       60 </head>

       61 <body>

       63 <div py:def="playtime(ms)" py:strip="1">

       64   <tt py:with="secs = ms / 1000;

       65     mm = secs / 60;

       66     ss = secs % 60">${"%d:%02d" % (mm, ss)}</tt>

       67 </div>

       69 <div py:for="playlist in playlists" class="haudio">

       70   <h1>${playlist['Name']}</h1> <!-- assume just one playlist for now@@ -->

       71   <ol>

       72    <li py:for="item in playlist['Playlist Items']">

       73      <cite class="fn">${item.Name}</cite>

       74      by <b class="contributor">${item.Artist}</b>

       75      <br />

       76      ${playtime(item['Total Time'])}

       77      from <cite class="album">${item.Album}</cite> (<em class="year">${item.Year}</em>)

       78    </li>

       79   </ol>

       80 </div>

       82 <p>This document follows the <a

       83 href="http://microformats.org/wiki/haudio">haudio</a> conventions and

       84 licenses data extraction via <a rel="transformation"

       85 href="http://tools.weborganics.co.uk/xsl/hAudio2RDF.xsl">hAudio2RDF.xsl</a>.</p>

       87 <address>

       88 generated from itunekb.py by Dan Connolly

       89 </address>

       90 </body>

       91 </html>

       92 """

       94 if __name__ == '__main__':

       95     import sys

       96     if '--test' in sys.argv:

       97 	_test()

       98     else:

       99 	main(sys.argv)

changeset 379:	b1668055c25d
parent 378:	b15429e38d52
manifest:	b1668055c25d
author:	Dan Connolly <http://www.w3.org/People/Connolly/>
date:	Thu Jan 31 05:29:08 2008 -0800 (3 months ago)
permissions:	-rw-r--r--