Package cssutils :: Package stylesheets :: Module stylesheetlist
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Source Code for Module cssutils.stylesheets.stylesheetlist

 1  """ 
 2  StyleSheetList implements DOM Level 2 Style Sheets StyleSheetList. 
 3  """ 
 4  __all__ = ['StyleSheetList'] 
 5  __docformat__ = 'restructuredtext' 
 6  __author__ = '$LastChangedBy: cthedot $' 
 7  __date__ = '$LastChangedDate: 2007-08-20 22:01:52 +0200 (Mo, 20 Aug 2007) $' 
 8  __version__ = '$LastChangedRevision: 256 $' 
 9   
10 -class StyleSheetList(list):
11 """ 12 Interface StyleSheetList (introduced in DOM Level 2) 13 14 The StyleSheetList interface provides the abstraction of an ordered 15 collection of style sheets. 16 17 The items in the StyleSheetList are accessible via an integral index, 18 starting from 0. 19 20 This Python implementation is based on a standard Python list so e.g. 21 allows ``examplelist[index]`` usage. 22 """
23 - def _getLength(self):
24 return len(self)
25 26 length = property(_getLength, 27 doc="""The number of StyleSheets in the list. The range of valid 28 child stylesheet indices is 0 to length-1 inclusive.""") 29
30 - def item(self, index):
31 """ 32 Used to retrieve a style sheet by ordinal index. If index is 33 greater than or equal to the number of style sheets in the list, 34 this returns None. 35 """ 36 try: 37 return self[index] 38 except IndexError: 39 return None
40