Source Code for Module wpl_file

 1  ### BITPIM 
 2  ### 
 3  ### Copyright (C) 2006 Joe Pham <djpham@netzero.com> 
 4  ### 
 5  ### This program is free software; you can redistribute it and/or modify 
 6  ### it under the terms of the BitPim license as detailed in the LICENSE file. 
 7  ### 
 8  ### $Id: wpl_file.py 3542 2006-08-31 03:40:06Z djpham $ 
 9   
10  """Handle MS Windows Media Player Play List (wpl) files""" 
11   
12  # System modules 
13  import xml.dom.minidom as dom 
14   
15 -class WPL(object): 
16 -    def __init__(self, data=None, filename=None): 
17          self.title='' 
18          self.songs=[] 
19          try: 
20              if data: 
21                  self._decode(data) 
22              elif filename: 
23                  self._decode(file(filename, 'rt').read()) 
24          except (IndexError, IOError): 
25              pass 
26   
27 -    def _node_value(self, node, name): 
28          try: 
29              return node.getElementsByTagName(name)[0].firstChild.data 
30          except IndexError: 
31              # the tag does not exist 
32              return None 
33          except: 
34              if __debug__: raise 
35              return None 
36   
37 -    def _decode(self, data): 
38          # decode the xml stream 
39          _wpl=dom.parseString(data) 
40          _head=_wpl.getElementsByTagName('head')[0] 
41          self.title=self._node_value(_head, 'title') 
42          _seq=_wpl.getElementsByTagName('seq')[0] 
43          _media=_seq.getElementsByTagName('media') 
44          for _item in _media: 
45              self.songs.append(_item.getAttribute('src')) 
46