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#
# The Python Imaging Library.
# $Id: ImageSequence.py 2134 2004-10-06 08:55:20Z fredrik $
#
# sequence support classes
#
# history:
# 1997-02-20 fl Created
#
# Copyright (c) 1997 by Secret Labs AB.
# Copyright (c) 1997 by Fredrik Lundh.
#
# See the README file for information on usage and redistribution.
#
##
# This class implements an iterator object that can be used to loop
# over an image sequence.
class Iterator:
##
# Create an iterator.
#
# @param im An image object.
def __init__(self, im):
if not hasattr(im, "seek"):
raise AttributeError("im must have seek method")
self.im = im
def __getitem__(self, ix):
try:
if ix:
self.im.seek(ix)
return self.im
except EOFError:
raise IndexError # end of sequence
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