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CHANGES.rst
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CHANGES.rst
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@ -88,7 +88,7 @@ Changelog (Pillow)
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- Updated TIFF tile descriptors to match current decoding functionality #3795
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[dmnisson]
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- Added an `image.entropy()` method (second revision) #3608
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- Added an ``image.entropy()`` method (second revision) #3608
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[fish2000]
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- Pass the correct types to PyArg_ParseTuple #3880
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@ -724,7 +724,7 @@ Changelog (Pillow)
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- Enable background colour parameter on rotate #3057
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[storesource]
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- Remove unnecessary `#if 1` directive #3072
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- Remove unnecessary ``#if 1`` directive #3072
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[jdufresne]
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- Remove unused Python class, Path #3070
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@ -1261,7 +1261,7 @@ Changelog (Pillow)
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- Add decompression bomb check to Image.crop #2410
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[wiredfool]
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- ImageFile: Ensure that the `err_code` variable is initialized in case of exception. #2363
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- ImageFile: Ensure that the ``err_code`` variable is initialized in case of exception. #2363
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[alexkiro]
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- Tiff: Support append_images for saving multipage TIFFs #2406
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@ -1498,7 +1498,7 @@ Changelog (Pillow)
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- Removed PIL 1.0 era TK readme that concerns Windows 95/NT #2360
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[wiredfool]
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- Prevent `nose -v` printing docstrings #2369
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- Prevent ``nose -v`` printing docstrings #2369
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[hugovk]
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- Replaced absolute PIL imports with relative imports #2349
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@ -1943,7 +1943,7 @@ Changelog (Pillow)
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- Changed depends/install_*.sh urls to point to github pillow-depends repo #1983
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[wiredfool]
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- Allow ICC profile from `encoderinfo` while saving PNGs #1909
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- Allow ICC profile from ``encoderinfo`` while saving PNGs #1909
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[homm]
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- Fix integer overflow on ILP32 systems (32-bit Linux). #1975
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@ -2386,7 +2386,7 @@ Changelog (Pillow)
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- Added PDF multipage saving #1445
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[radarhere]
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- Removed deprecated code, Image.tostring, Image.fromstring, Image.offset, ImageDraw.setink, ImageDraw.setfill, ImageFileIO, ImageFont.FreeTypeFont and ImageFont.truetype `file` kwarg, ImagePalette private _make functions, ImageWin.fromstring and ImageWin.tostring #1343
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- Removed deprecated code, Image.tostring, Image.fromstring, Image.offset, ImageDraw.setink, ImageDraw.setfill, ImageFileIO, ImageFont.FreeTypeFont and ImageFont.truetype ``file`` kwarg, ImagePalette private _make functions, ImageWin.fromstring and ImageWin.tostring #1343
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[radarhere]
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- Load more broken images #1428
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@ -2878,7 +2878,7 @@ Changelog (Pillow)
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- Doc cleanup
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[wiredfool]
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- Fix `ImageStat` docs #796
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- Fix ``ImageStat`` docs #796
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[akx]
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- Added docs for ExifTags #794
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@ -3315,7 +3315,7 @@ Changelog (Pillow)
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- Add RGBA support to ImageColor #309
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[yoavweiss]
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- Test for `str`, not `"utf-8"` #306 (fixes #304)
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- Test for ``str``, not ``"utf-8"`` #306 (fixes #304)
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[mjpieters]
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- Fix missing import os in _util.py #303
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@ -3421,7 +3421,7 @@ Changelog (Pillow)
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- Partial work to add a wrapper for WebPGetFeatures to correctly support #220 (fixes #204)
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- Significant performance improvement of `alpha_composite` function #156
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- Significant performance improvement of ``alpha_composite`` function #156
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[homm]
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- Support explicitly disabling features via --disable-* options #240
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@ -389,12 +389,12 @@ The :py:meth:`~PIL.Image.Image.save` method supports the following options:
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image will be saved without tiling.
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**quality_mode**
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Either `"rates"` or `"dB"` depending on the units you want to use to
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Either ``"rates"`` or ``"dB"`` depending on the units you want to use to
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specify image quality.
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**quality_layers**
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A sequence of numbers, each of which represents either an approximate size
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reduction (if quality mode is `"rates"`) or a signal to noise ratio value
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reduction (if quality mode is ``"rates"``) or a signal to noise ratio value
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in decibels. If not specified, defaults to a single layer of full quality.
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**num_resolutions**
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@ -811,10 +811,10 @@ Saving sequences
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Support for animated WebP files will only be enabled if the system WebP
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library is v0.5.0 or later. You can check webp animation support at
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runtime by calling `features.check("webp_anim")`.
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runtime by calling ``features.check("webp_anim")``.
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When calling :py:meth:`~PIL.Image.Image.save`, the following options
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are available when the `save_all` argument is present and true.
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are available when the ``save_all`` argument is present and true.
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**append_images**
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A list of images to append as additional frames. Each of the
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@ -247,7 +247,7 @@ Transposing an image
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out = im.transpose(Image.ROTATE_270)
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``transpose(ROTATE)`` operations can also be performed identically with
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:py:meth:`~PIL.Image.Image.rotate` operations, provided the `expand` flag is
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:py:meth:`~PIL.Image.Image.rotate` operations, provided the ``expand`` flag is
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true, to provide for the same changes to the image's size.
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A more general form of image transformations can be carried out via the
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@ -52,7 +52,7 @@ Functions
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.. warning::
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To protect against potential DOS attacks caused by "`decompression bombs`_" (i.e. malicious files
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which decompress into a huge amount of data and are designed to crash or cause disruption by using up
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a lot of memory), Pillow will issue a `DecompressionBombWarning` if the image is over a certain
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a lot of memory), Pillow will issue a ``DecompressionBombWarning`` if the image is over a certain
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limit. If desired, the warning can be turned into an error with
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``warnings.simplefilter('error', Image.DecompressionBombWarning)`` or suppressed entirely with
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``warnings.simplefilter('ignore', Image.DecompressionBombWarning)``. See also `the logging
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@ -262,10 +262,10 @@ Instances of the :py:class:`Image` class have the following attributes:
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.. py:attribute:: filename
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The filename or path of the source file. Only images created with the
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factory function `open` have a filename attribute. If the input is a
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factory function ``open`` have a filename attribute. If the input is a
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file like object, the filename attribute is set to an empty string.
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:type: :py:class: `string`
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:type: :py:class:`string`
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.. py:attribute:: format
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@ -33,13 +33,13 @@ can be easily displayed in a chromaticity diagram, for example).
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.. py:attribute:: version
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The version number of the ICC standard that this profile follows
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(e.g. `2.0`).
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(e.g. ``2.0``).
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:type: :py:class:`float`
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.. py:attribute:: icc_version
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Same as `version`, but in encoded format (see 7.2.4 of ICC.1:2010).
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Same as ``version``, but in encoded format (see 7.2.4 of ICC.1:2010).
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.. py:attribute:: device_class
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@ -53,7 +53,7 @@ vector data. Path objects can be passed to the methods on the
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Converts the path to a Python list [(x, y), …].
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:param flat: By default, this function returns a list of 2-tuples
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[(x, y), ...]. If this argument is `True`, it
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[(x, y), ...]. If this argument is ``True``, it
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returns a flat list [x, y, ...] instead.
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:return: A list of coordinates. See **flat**.
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@ -27,7 +27,7 @@ Image resizing filters
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----------------------
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Image resizing methods :py:meth:`~PIL.Image.Image.resize` and
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:py:meth:`~PIL.Image.Image.thumbnail` take a `resample` argument, which tells
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:py:meth:`~PIL.Image.Image.thumbnail` take a ``resample`` argument, which tells
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which filter should be used for resampling. Possible values are:
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:py:attr:`PIL.Image.NEAREST`, :py:attr:`PIL.Image.BILINEAR`,
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:py:attr:`PIL.Image.BICUBIC` and :py:attr:`PIL.Image.ANTIALIAS`.
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@ -4,18 +4,28 @@
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Open HTTP response objects with Image.open
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------------------------------------------
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HTTP response objects returned from `urllib2.urlopen(url)` or `requests.get(url, stream=True).raw` are 'file-like' but do not support `.seek()` operations. As a result PIL was unable to open them as images, requiring a wrap in `cStringIO` or `BytesIO`.
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HTTP response objects returned from ``urllib2.urlopen(url)`` or
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``requests.get(url, stream=True).raw`` are 'file-like' but do not support ``.seek()``
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operations. As a result PIL was unable to open them as images, requiring a wrap in
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``cStringIO`` or ``BytesIO``.
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Now new functionality has been added to `Image.open()` by way of an `.seek(0)` check and catch on exception `AttributeError` or `io.UnsupportedOperation`. If this is caught we attempt to wrap the object using `io.BytesIO` (which will only work on buffer-file-like objects).
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Now new functionality has been added to ``Image.open()`` by way of an ``.seek(0)`` check and
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catch on exception ``AttributeError`` or ``io.UnsupportedOperation``. If this is caught we
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attempt to wrap the object using ``io.BytesIO`` (which will only work on buffer-file-like
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objects).
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This allows opening of files using both `urllib2` and `requests`, e.g.::
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This allows opening of files using both ``urllib2`` and ``requests``, e.g.::
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Image.open(urllib2.urlopen(url))
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Image.open(requests.get(url, stream=True).raw)
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If the response uses content-encoding (compression, either gzip or deflate) then this will fail as both the urllib2 and requests raw file object will produce compressed data in that case. Using Content-Encoding on images is rather non-sensical as most images are already compressed, but it can still happen.
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If the response uses content-encoding (compression, either gzip or deflate) then this
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will fail as both the urllib2 and requests raw file object will produce compressed data
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in that case. Using Content-Encoding on images is rather non-sensical as most images are
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already compressed, but it can still happen.
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For requests the work-around is to set the decode_content attribute on the raw object to True::
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For requests the work-around is to set the decode_content attribute on the raw object to
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True::
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response = requests.get(url, stream=True)
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response.raw.decode_content = True
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Saving Multipage Images
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-----------------------
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There is now support for saving multipage images in the `GIF` and
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`PDF` formats. To enable this functionality, pass in `save_all=True`
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There is now support for saving multipage images in the ``GIF`` and
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``PDF`` formats. To enable this functionality, pass in ``save_all=True``
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as a keyword argument to the save::
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im.save('test.pdf', save_all=True)
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ImageDraw.setink()
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ImageDraw.setfill()
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The ImageFileIO module
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The ImageFont.FreeTypeFont and ImageFont.truetype `file` keyword arg
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The ImageFont.FreeTypeFont and ImageFont.truetype ``file`` keyword arg
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The ImagePalette private _make functions
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ImageWin.fromstring()
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ImageWin.tostring()
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ImageDraw arc, chord and pieslice can now use floats
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----------------------------------------------------
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There is no longer a need to ensure that the start and end arguments for `arc`,
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`chord` and `pieslice` are integers.
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There is no longer a need to ensure that the start and end arguments for ``arc``,
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``chord`` and ``pieslice`` are integers.
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Note that these numbers are not simply rounded internally, but are actually
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utilised in the drawing process.
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@ -37,8 +37,8 @@ virtualenv as well, reducing the number of packages that we need to
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install.)
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Download the rest of the Pythons by opening a command window, changing
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to the `winbuild` directory, and running `python
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get_pythons.py`.
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to the ``winbuild`` directory, and running ``python
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get_pythons.py``.
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UNDONE -- gpg verify the signatures (note that we can download from
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https)
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------------
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The script 'build_dep.py' downloads and builds the dependencies. Open
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a command window, change directory into `winbuild` and run `python
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build_dep.py`.
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a command window, change directory into ``winbuild`` and run ``python
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build_dep.py``.
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This will download libjpeg, libtiff, libz, and freetype. It will then
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compile 32 and 64-bit versions of the libraries, with both versions of
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Building Pillow
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---------------
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Once the dependencies are built, run `python build.py --clean` to
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Once the dependencies are built, run ``python build.py --clean`` to
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build and install Pillow in virtualenvs for each Python
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build. `build.py --wheel` will build wheels instead of
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build. ``build.py --wheel`` will build wheels instead of
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installing into virtualenvs.
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UNDONE -- suppressed output, what about failures.
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Testing Pillow
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--------------
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Build and install Pillow, then run `python test.py` from the
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`winbuild` directory.
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Build and install Pillow, then run ``python test.py`` from the
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``winbuild`` directory.
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