/usr/share/pyshared/cssutils/stylesheets/stylesheetlist.py is in python-cssutils 0.9.10-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | """StyleSheetList implements DOM Level 2 Style Sheets StyleSheetList."""
__all__ = ['StyleSheetList']
__docformat__ = 'restructuredtext'
__version__ = '$Id$'
class StyleSheetList(list):
"""Interface `StyleSheetList` (introduced in DOM Level 2)
The `StyleSheetList` interface provides the abstraction of an ordered
collection of :class:`~cssutils.stylesheets.StyleSheet` objects.
The items in the `StyleSheetList` are accessible via an integral index,
starting from 0.
This Python implementation is based on a standard Python list so e.g.
allows ``examplelist[index]`` usage.
"""
def item(self, index):
"""
Used to retrieve a style sheet by ordinal `index`. If `index` is
greater than or equal to the number of style sheets in the list,
this returns ``None``.
"""
try:
return self[index]
except IndexError:
return None
length = property(lambda self: len(self),
doc="The number of :class:`StyleSheet` objects in the list. The range"
" of valid child stylesheet indices is 0 to length-1 inclusive.")
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