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Merge pull request #1833 from radarhere/docs

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Changed documentation to refer to ImageSequence Iterator
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wiredfool 2016-04-19 16:02:03 +01:00
commit 8bacd05d5d
1 changed files with 5 additions and 16 deletions
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docs/handbook/tutorial.rst
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@ -400,26 +400,15 @@ Note that most drivers in the current version of the library only allow you to
seek to the next frame (as in the above example). To rewind the file, you may
have to reopen it.
The following iterator class lets you use the for-statement to loop over the
sequence:
The following class lets you use the for-statement to loop over the sequence:
A sequence iterator class
^^^^^^^^^^^^^^^^^^^^^^^^^
Using the ImageSequence Iterator class
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
::
class ImageSequence:
def __init__(self, im):
self.im = im
def __getitem__(self, ix):
try:
if ix:
self.im.seek(ix)
return self.im
except EOFError:
raise IndexError # end of sequence
for frame in ImageSequence(im):
from PIL import ImageSequence
for frame in ImageSequence.Iterator(im):
# ...do something to frame...