document ImageCms.{ImageCmsProfile,Intent,Direction}; fix ImageCms.core.CmsProfile references

(cherry picked from commit f2b1bbc)

Author: nulano

docs/deprecations.rst

@@ -338,8 +338,8 @@ ImageCms.CmsProfile attributes
 .. deprecated:: 3.2.0
 .. versionremoved:: 8.0.0
 
-Some attributes in :py:class:`PIL.ImageCms.CmsProfile` have been removed. From 6.0.0,
-they issued a :py:exc:`DeprecationWarning`:
+Some attributes in :py:class:`PIL.ImageCms.core.CmsProfile` have been removed.
+From 6.0.0, they issued a :py:exc:`DeprecationWarning`:
 
 ========================  ===================================================
 Removed                   Use instead

docs/reference/ImageCms.rst

@@ -8,9 +8,26 @@ The :py:mod:`~PIL.ImageCms` module provides color profile management
 support using the LittleCMS2 color management engine, based on Kevin
 Cazabon's PyCMS library.
 
+.. autoclass:: ImageCmsProfile
+    :members:
+    :special-members: __init__
 .. autoclass:: ImageCmsTransform
+    :members:
+    :undoc-members:
 .. autoexception:: PyCMSError
 
+Constants
+---------
+
+.. autoclass:: Intent
+    :members:
+    :member-order: bysource
+    :undoc-members:
+.. autoclass:: Direction
+    :members:
+    :member-order: bysource
+    :undoc-members:
+
 Functions
 ---------
 
@@ -37,13 +54,15 @@ CmsProfile
 ----------
 
 The ICC color profiles are wrapped in an instance of the class
-:py:class:`CmsProfile`.  The specification ICC.1:2010 contains more
+:py:class:`~core.CmsProfile`.  The specification ICC.1:2010 contains more
 information about the meaning of the values in ICC profiles.
 
 For convenience, all XYZ-values are also given as xyY-values (so they
 can be easily displayed in a chromaticity diagram, for example).
 
+.. py:currentmodule:: PIL.ImageCms.core
 .. py:class:: CmsProfile
+    :canonical: PIL._imagingcms.CmsProfile
 
     .. py:attribute:: creation_date
         :type: Optional[datetime.datetime]

docs/releasenotes/8.0.0.rst

@@ -30,7 +30,7 @@ Image.fromstring, im.fromstring and im.tostring
 ImageCms.CmsProfile attributes
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-Some attributes in :py:class:`PIL.ImageCms.CmsProfile` have been removed:
+Some attributes in :py:class:`PIL.ImageCms.core.CmsProfile` have been removed:
 
 ========================  ===================================================
 Removed                   Use instead