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Update colorsys.py and test_colorsys.py to 3.12 (#5198)

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This commit is contained in:
Kirill Podoprigora
2024-03-13 08:22:57 +02:00
committed by GitHub
parent d8f2bd04ac
commit 92c8b371ae
2 changed files with 11 additions and 1 deletions
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2
Lib/colorsys.py vendored
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@@ -83,7 +83,7 @@ def rgb_to_hls(r, g, b):
if l <= 0.5:
s = rangec / sumc
else:
s = rangec / (2.0-sumc)
s = rangec / (2.0-maxc-minc) # Not always 2.0-sumc: gh-106498.
rc = (maxc-r) / rangec
gc = (maxc-g) / rangec
bc = (maxc-b) / rangec

10
Lib/test/test_colorsys.py vendored
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@@ -69,6 +69,16 @@ class ColorsysTest(unittest.TestCase):
self.assertTripleEqual(hls, colorsys.rgb_to_hls(*rgb))
self.assertTripleEqual(rgb, colorsys.hls_to_rgb(*hls))
def test_hls_nearwhite(self): # gh-106498
values = (
# rgb, hls: these do not work in reverse
((0.9999999999999999, 1, 1), (0.5, 1.0, 1.0)),
((1, 0.9999999999999999, 0.9999999999999999), (0.0, 1.0, 1.0)),
)
for rgb, hls in values:
self.assertTripleEqual(hls, colorsys.rgb_to_hls(*rgb))
self.assertTripleEqual((1.0, 1.0, 1.0), colorsys.hls_to_rgb(*hls))
def test_yiq_roundtrip(self):
for r in frange(0.0, 1.0, 0.2):
for g in frange(0.0, 1.0, 0.2):