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Merge pull request #7702 from nulano/deprecate-cms-constants

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Hugo van Kemenade 2024-01-11 10:51:21 +02:00 committed by GitHub
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9 changed files with 122 additions and 16 deletions
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11
Tests/test_imagecms.py
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@ -49,7 +49,7 @@ def skip_missing():
def test_sanity():
# basic smoke test.
# this mostly follows the cms_test outline.
with pytest.warns(DeprecationWarning):
v = ImageCms.versions() # should return four strings
assert v[0] == "1.0.0 pil"
assert list(map(type, v)) == [str, str, str, str]
@ -637,3 +637,12 @@ def test_rgb_lab(mode):
im = Image.new("LAB", (1, 1), (255, 0, 0))
converted_im = im.convert(mode)
assert converted_im.getpixel((0, 0))[:3] == (0, 255, 255)
def test_deprecation() -> None:
with pytest.warns(DeprecationWarning):
assert ImageCms.DESCRIPTION.strip().startswith("pyCMS")
with pytest.warns(DeprecationWarning):
assert ImageCms.VERSION == "1.0.0 pil"
with pytest.warns(DeprecationWarning):
assert isinstance(ImageCms.FLAGS, dict)

39
docs/deprecations.rst
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@ -55,6 +55,43 @@ The functions ``IptcImageFile.dump`` and ``IptcImageFile.i``, and the constant
for internal use, so there is no replacement. They can each be replaced
by a single line of code using builtin functions in Python.
ImageCms constants and versions() function
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.. deprecated:: 10.3.0
A number of constants and a function in :py:mod:`.ImageCms` have been deprecated.
This includes a table of flags based on LittleCMS version 1 which has been
replaced with a new class :py:class:`.ImageCms.Flags` based on LittleCMS 2 flags.
============================================ ====================================================
Deprecated Use instead
============================================ ====================================================
``ImageCms.DESCRIPTION`` No replacement
``ImageCms.VERSION`` ``PIL.__version__``
``ImageCms.FLAGS["MATRIXINPUT"]`` :py:attr:`.ImageCms.Flags.CLUT_POST_LINEARIZATION`
``ImageCms.FLAGS["MATRIXOUTPUT"]`` :py:attr:`.ImageCms.Flags.FORCE_CLUT`
``ImageCms.FLAGS["MATRIXONLY"]`` No replacement
``ImageCms.FLAGS["NOWHITEONWHITEFIXUP"]`` :py:attr:`.ImageCms.Flags.NOWHITEONWHITEFIXUP`
``ImageCms.FLAGS["NOPRELINEARIZATION"]`` :py:attr:`.ImageCms.Flags.CLUT_PRE_LINEARIZATION`
``ImageCms.FLAGS["GUESSDEVICECLASS"]`` :py:attr:`.ImageCms.Flags.GUESSDEVICECLASS`
``ImageCms.FLAGS["NOTCACHE"]`` :py:attr:`.ImageCms.Flags.NOCACHE`
``ImageCms.FLAGS["NOTPRECALC"]`` :py:attr:`.ImageCms.Flags.NOOPTIMIZE`
``ImageCms.FLAGS["NULLTRANSFORM"]`` :py:attr:`.ImageCms.Flags.NULLTRANSFORM`
``ImageCms.FLAGS["HIGHRESPRECALC"]`` :py:attr:`.ImageCms.Flags.HIGHRESPRECALC`
``ImageCms.FLAGS["LOWRESPRECALC"]`` :py:attr:`.ImageCms.Flags.LOWRESPRECALC`
``ImageCms.FLAGS["GAMUTCHECK"]`` :py:attr:`.ImageCms.Flags.GAMUTCHECK`
``ImageCms.FLAGS["WHITEBLACKCOMPENSATION"]`` :py:attr:`.ImageCms.Flags.BLACKPOINTCOMPENSATION`
``ImageCms.FLAGS["BLACKPOINTCOMPENSATION"]`` :py:attr:`.ImageCms.Flags.BLACKPOINTCOMPENSATION`
``ImageCms.FLAGS["SOFTPROOFING"]`` :py:attr:`.ImageCms.Flags.SOFTPROOFING`
``ImageCms.FLAGS["PRESERVEBLACK"]`` :py:attr:`.ImageCms.Flags.NONEGATIVES`
``ImageCms.FLAGS["NODEFAULTRESOURCEDEF"]`` :py:attr:`.ImageCms.Flags.NODEFAULTRESOURCEDEF`
``ImageCms.FLAGS["GRIDPOINTS"]`` :py:attr:`.ImageCms.Flags.GRIDPOINTS()`
``ImageCms.versions()`` :py:func:`PIL.features.version_module` with
``feature="littlecms2"``, :py:data:`sys.version` or
:py:data:`sys.version_info`, and ``PIL.__version__``
============================================ ====================================================
Removed features
----------------
@ -118,7 +155,7 @@ Constants
.. versionremoved:: 10.0.0
A number of constants have been removed.
Instead, ``enum.IntEnum`` classes have been added.
Instead, :py:class:`enum.IntEnum` classes have been added.
.. note::

5
docs/reference/ExifTags.rst
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@ -4,8 +4,9 @@
:py:mod:`~PIL.ExifTags` Module
==============================
The :py:mod:`~PIL.ExifTags` module exposes several ``enum.IntEnum`` classes
which provide constants and clear-text names for various well-known EXIF tags.
The :py:mod:`~PIL.ExifTags` module exposes several :py:class:`enum.IntEnum`
classes which provide constants and clear-text names for various well-known
EXIF tags.
.. py:data:: Base

3
docs/reference/ImageCms.rst
View File

@ -24,14 +24,17 @@ Constants
:members:
:member-order: bysource
:undoc-members:
:show-inheritance:
.. autoclass:: Direction
:members:
:member-order: bysource
:undoc-members:
:show-inheritance:
.. autoclass:: Flags
:members:
:member-order: bysource
:undoc-members:
:show-inheritance:
Functions
---------

2
docs/releasenotes/10.0.0.rst
View File

@ -43,7 +43,7 @@ Constants
^^^^^^^^^
A number of constants have been removed.
Instead, ``enum.IntEnum`` classes have been added.
Instead, :py:class:`enum.IntEnum` classes have been added.
===================================================== ============================================================
Removed Use instead

36
docs/releasenotes/10.3.0.rst
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@ -10,10 +10,40 @@ TODO
Deprecations
============
TODO
^^^^
ImageCms constants and versions() function
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
TODO
A number of constants and a function in :py:mod:`.ImageCms` have been deprecated.
This includes a table of flags based on LittleCMS version 1 which has been replaced
with a new class :py:class:`.ImageCms.Flags` based on LittleCMS 2 flags.
============================================ ====================================================
Deprecated Use instead
============================================ ====================================================
``ImageCms.DESCRIPTION`` No replacement
``ImageCms.VERSION`` ``PIL.__version__``
``ImageCms.FLAGS["MATRIXINPUT"]`` :py:attr:`.ImageCms.Flags.CLUT_POST_LINEARIZATION`
``ImageCms.FLAGS["MATRIXOUTPUT"]`` :py:attr:`.ImageCms.Flags.FORCE_CLUT`
``ImageCms.FLAGS["MATRIXONLY"]`` No replacement
``ImageCms.FLAGS["NOWHITEONWHITEFIXUP"]`` :py:attr:`.ImageCms.Flags.NOWHITEONWHITEFIXUP`
``ImageCms.FLAGS["NOPRELINEARIZATION"]`` :py:attr:`.ImageCms.Flags.CLUT_PRE_LINEARIZATION`
``ImageCms.FLAGS["GUESSDEVICECLASS"]`` :py:attr:`.ImageCms.Flags.GUESSDEVICECLASS`
``ImageCms.FLAGS["NOTCACHE"]`` :py:attr:`.ImageCms.Flags.NOCACHE`
``ImageCms.FLAGS["NOTPRECALC"]`` :py:attr:`.ImageCms.Flags.NOOPTIMIZE`
``ImageCms.FLAGS["NULLTRANSFORM"]`` :py:attr:`.ImageCms.Flags.NULLTRANSFORM`
``ImageCms.FLAGS["HIGHRESPRECALC"]`` :py:attr:`.ImageCms.Flags.HIGHRESPRECALC`
``ImageCms.FLAGS["LOWRESPRECALC"]`` :py:attr:`.ImageCms.Flags.LOWRESPRECALC`
``ImageCms.FLAGS["GAMUTCHECK"]`` :py:attr:`.ImageCms.Flags.GAMUTCHECK`
``ImageCms.FLAGS["WHITEBLACKCOMPENSATION"]`` :py:attr:`.ImageCms.Flags.BLACKPOINTCOMPENSATION`
``ImageCms.FLAGS["BLACKPOINTCOMPENSATION"]`` :py:attr:`.ImageCms.Flags.BLACKPOINTCOMPENSATION`
``ImageCms.FLAGS["SOFTPROOFING"]`` :py:attr:`.ImageCms.Flags.SOFTPROOFING`
``ImageCms.FLAGS["PRESERVEBLACK"]`` :py:attr:`.ImageCms.Flags.NONEGATIVES`
``ImageCms.FLAGS["NODEFAULTRESOURCEDEF"]`` :py:attr:`.ImageCms.Flags.NODEFAULTRESOURCEDEF`
``ImageCms.FLAGS["GRIDPOINTS"]`` :py:attr:`.ImageCms.Flags.GRIDPOINTS()`
``ImageCms.versions()`` :py:func:`PIL.features.version_module` with
``feature="littlecms2"``, :py:data:`sys.version` or
:py:data:`sys.version_info`, and ``PIL.__version__``
============================================ ====================================================
API Changes
===========

2
docs/releasenotes/9.1.0.rst
View File

@ -51,7 +51,7 @@ Constants
^^^^^^^^^
A number of constants have been deprecated and will be removed in Pillow 10.0.0
(2023-07-01). Instead, ``enum.IntEnum`` classes have been added.
(2023-07-01). Instead, :py:class:`enum.IntEnum` classes have been added.
.. note::

5
docs/releasenotes/9.3.0.rst
View File

@ -33,8 +33,9 @@ Added ExifTags enums
^^^^^^^^^^^^^^^^^^^^
The data from :py:data:`~PIL.ExifTags.TAGS` and
:py:data:`~PIL.ExifTags.GPSTAGS` is now also exposed as ``enum.IntEnum``
classes: :py:data:`~PIL.ExifTags.Base` and :py:data:`~PIL.ExifTags.GPS`.
:py:data:`~PIL.ExifTags.GPSTAGS` is now also exposed as
:py:class:`enum.IntEnum` classes: :py:data:`~PIL.ExifTags.Base` and
:py:data:`~PIL.ExifTags.GPS`.
Security

33
src/PIL/ImageCms.py
View File

@ -4,6 +4,9 @@
# Optional color management support, based on Kevin Cazabon's PyCMS
# library.
# Originally released under LGPL. Graciously donated to PIL in
# March 2009, for distribution under the standard PIL license
# History:
# 2009-03-08 fl Added to PIL.
@ -20,8 +23,10 @@ import operator
import sys
from enum import IntEnum, IntFlag
from functools import reduce
from typing import Any
from . import Image
from ._deprecate import deprecate
try:
from . import _imagingcms
@ -32,7 +37,7 @@ except ImportError as ex:
_imagingcms = DeferredError.new(ex)
DESCRIPTION = """
_DESCRIPTION = """
pyCMS
a Python / PIL interface to the littleCMS ICC Color Management System
@ -95,7 +100,22 @@ pyCMS
"""
VERSION = "1.0.0 pil"
_VERSION = "1.0.0 pil"
def __getattr__(name: str) -> Any:
if name == "DESCRIPTION":
deprecate("PIL.ImageCms.DESCRIPTION", 12)
return _DESCRIPTION
elif name == "VERSION":
deprecate("PIL.ImageCms.VERSION", 12)
return _VERSION
elif name == "FLAGS":
deprecate("PIL.ImageCms.FLAGS", 12, "PIL.ImageCms.Flags")
return _FLAGS
msg = f"module '{__name__}' has no attribute '{name}'"
raise AttributeError(msg)
# --------------------------------------------------------------------.
@ -184,7 +204,7 @@ class Flags(IntFlag):
_MAX_FLAG = reduce(operator.or_, Flags)
FLAGS = {
_FLAGS = {
"MATRIXINPUT": 1,
"MATRIXOUTPUT": 2,
"MATRIXONLY": (1 | 2),
@ -1064,4 +1084,9 @@ def versions():
(pyCMS) Fetches versions.
"""
return VERSION, core.littlecms_version, sys.version.split()[0], Image.__version__
deprecate(
"PIL.ImageCms.versions()",
12,
'(PIL.features.version("littlecms2"), sys.version, PIL.__version__)',
)
return _VERSION, core.littlecms_version, sys.version.split()[0], Image.__version__