0.12.0 "The Color Update"

CHANGELOG.md

@@ -7,7 +7,7 @@
 * New module `mat` adds a shallow reimplementation of `Matrix()` in order to implement matrix multiplication
 * Removed obsolete `configparse` implementation that has been around since 0.3 and shelved since 0.4.
 * `color`: added support for conversion from RGB to linear RGB, XYZ, OKLab and OKLCH.
-* Added `user-loader` for Quart-Auth and SQLAlchemy
+* Added `user-loader` for Quart-Auth + SQLAlchemy
 
 ## 0.11.2
 

README.md

@@ -32,6 +32,8 @@ Read the [documentation](https://suou.readthedocs.io/).
 
 ## Support
 
+### Disclaimer
+
 Just a heads up: SUOU was made to support Sakuragasaki46 (me)'s own selfish, egoistic needs. Not certainly to provide a service to the public.
 
 As a consequence, 'add this add that' stuff is best-effort.
@@ -42,6 +44,10 @@ Don't want to depend on my codebase for moral reasons (albeit unrelated)? It's f
 
 **DO NOT ASK TO MAKE SUOU SAFE FOR CHILDREN**. Enjoy having your fingers cut.
 
+### "LTS"
+
+The following versions are supported: the latest, the second-to-latest, 0.12.x and 0.7.x.
+
 ## License
 
 Licensed under the [Apache License, Version 2.0](LICENSE), a non-copyleft free and open source license.

docs/color.rst

@@ -4,7 +4,16 @@ Color
 
 .. currentmodule:: suou.color
 
-...
+libsuou provides some utilities for the manipulation of colors.
+
+In particular, conversion to and from RGB and OKLCH colors.
+
+Terminal colors
+---------------
+
+.. autoclass:: Chalk
+
+   Note: instance is ``chalk`` and can be used as-is
 
 Web colors
 ----------
@@ -15,5 +24,10 @@ Web colors
 .. autoclass:: WebColor
 
 
+.. auto
+
+
 .. autoclass:: XYZColor
 
+
+.. autoclass:: OKLabColor

src/suou/__init__.py

@@ -5,7 +5,7 @@ See README.md for a description.
 
 ---
 
-Copyright (c) 2025 Sakuragasaki46.
+Copyright (c) 2025-2026 Sakuragasaki46.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -35,16 +35,16 @@ from .strtools import PrefixIdentifier
 from .validators import matches, not_less_than, not_greater_than, yesno
 from .redact import redact_url_password
 from .http import WantsContentType
-from .color import OKLabColor, chalk, WebColor, RGBColor, LinearRGBColor, XYZColor, OKLabColor
+from .color import OKLabColor, chalk, WebColor, RGBColor, LinearRGBColor, XYZColor, OKLCHColor
 from .mat import Matrix
 
-__version__ = "0.12.0a10"
+__version__ = "0.12.0"
 
 __all__ = (
     'ConfigOptions', 'ConfigParserConfigSource', 'ConfigSource', 'ConfigValue',
     'DictConfigSource', 'EnvConfigSource', 'I18n', 'Incomplete', 'JsonI18n',
     'LinearRGBColor',
-    'Matrix', 'MissingConfigError', 'MissingConfigWarning', 'OKLabColor', 
+    'Matrix', 'MissingConfigError', 'MissingConfigWarning', 'OKLabColor', 'OKLCHColor',
     'PrefixIdentifier', 'RGBColor',
     'Siq', 'SiqCache', 'SiqGen', 'SiqType', 'Snowflake', 'SnowflakeGen',
     'StringCase', 'TimedDict', 'TomlI18n', 'UserSigner', 'Wanted', 'WantsContentType',

src/suou/color.py

@@ -5,7 +5,7 @@ Colors for coding artists
 
 ---
 
-Copyright (c) 2025 Sakuragasaki46.
+Copyright (c) 2025-2026 Sakuragasaki46.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -244,7 +244,7 @@ class XYZColor(namedtuple('_XYZColor', 'x y z')):
     def to_oklab(self):
         lms = (self.XYZ_TO_LMS @ Matrix.as_column(self)).get_column()
         lmsg = [math.cbrt(i) for i in lms]
-        oklab = (self.LMSG_TO_OKLAB @ Matrix.as_column(self)).get_column()
+        oklab = (self.LMSG_TO_OKLAB @ Matrix.as_column(lmsg)).get_column()
         return OKLabColor(*oklab)
 
     def to_oklch(self):
@@ -326,5 +326,9 @@ class OKLCHColor(namedtuple('_OKLCHColor', 'l c h')):
     def to_rgb(self):
         return self.to_oklab().to_rgb()
 
+    def __sub__(self, other: OKLCHColor):
+        """For testing only!"""
+        return sum(abs(i - j) / k for i, j, k in zip(self, other, (1, 1, 36)))
+
 
 __all__ = ('chalk', 'WebColor', "RGBColor", 'LinearRGBColor', 'XYZColor', 'OKLabColor', 'OKLCHColor')

src/suou/quart_auth.py

@@ -1,9 +1,11 @@
 """
 Utilities for Quart-Auth
 
+(Require Quart and SQLAlchemy)
+
 ---
 
-Copyright (c) 2025 Sakuragasaki46.
+Copyright (c) 2025-2026 Sakuragasaki46.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

tests/test_color.py

@@ -33,5 +33,8 @@ class TestColor(unittest.TestCase):
         self.assertEqual(OKLCHColor(0.5932, 0., 0.).to_rgb(), RGBColor(126, 126, 126))
 
     def test_rgb_to_oklch(self):
-        self.assertEqual(RGBColor(222, 62, 45).to_oklch(), OKLCHColor(0.6,0.2, 30.))
+        """
-        self.assertEqual(RGBColor(156, 123, 49).to_oklch(), OKLCHColor(.6, .1, 85.))
+        This requires the presence of OKLCHColor.__sub__(), not to be used in production code.
+        """
+        self.assertAlmostEqual(RGBColor(222, 62, 45).to_oklch(), OKLCHColor(0.6,0.2, 30.), delta=0.01)
+        self.assertAlmostEqual(RGBColor(156, 123, 48).to_oklch(), OKLCHColor(.6, .1, 85.), delta=0.01)