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Merge pull request #3722 from radarhere/seek_docs

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Corrected seek documentation
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Hugo 2019-03-16 15:55:29 +02:00 committed by GitHub
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4
docs/handbook/image-file-formats.rst
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@ -105,8 +105,8 @@ Reading sequences
~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~
The GIF loader supports the :py:meth:`~file.seek` and :py:meth:`~file.tell` The GIF loader supports the :py:meth:`~file.seek` and :py:meth:`~file.tell`
methods. You can seek to the next frame (``im.seek(im.tell() + 1)``), or rewind methods. You can combine these methods to seek to the next frame
the file by seeking to the first frame. Random access is not supported. (``im.seek(im.tell() + 1)``).
``im.seek()`` raises an ``EOFError`` if you try to seek after the last frame. ``im.seek()`` raises an ``EOFError`` if you try to seek after the last frame.

4
docs/handbook/tutorial.rst
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@ -396,10 +396,6 @@ Reading sequences
As seen in this example, you’ll get an :py:exc:`EOFError` exception when the As seen in this example, you’ll get an :py:exc:`EOFError` exception when the
sequence ends. sequence ends.
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 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:
Using the ImageSequence Iterator class Using the ImageSequence Iterator class

3
src/PIL/Image.py
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@ -2005,9 +2005,6 @@ class Image(object):
**EOFError** exception. When a sequence file is opened, the **EOFError** exception. When a sequence file is opened, the
library automatically seeks to frame 0. library automatically seeks to frame 0.
Note that in the current version of the library, most sequence
formats only allow you to seek to the next frame.
See :py:meth:`~PIL.Image.Image.tell`. See :py:meth:`~PIL.Image.Image.tell`.
:param frame: Frame number, starting at 0. :param frame: Frame number, starting at 0.