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https://github.com/python-pillow/Pillow.git
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d50445ff30
Similar to the recent adoption of Black. isort is a Python utility to sort imports alphabetically and automatically separate into sections. By using isort, contributors can quickly and automatically conform to the projects style without thinking. Just let the tool do it. Uses the configuration recommended by the Black to avoid conflicts of style. Rewrite TestImageQt.test_deprecated to no rely on import order.
96 lines
2.7 KiB
Python
96 lines
2.7 KiB
Python
import sys
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import warnings
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from PIL import ImageQt
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from .helper import PillowTestCase, hopper
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if sys.version_info.major >= 3:
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from importlib import reload
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if ImageQt.qt_is_installed:
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from PIL.ImageQt import qRgba
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def skip_if_qt_is_not_installed(_):
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pass
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else:
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def skip_if_qt_is_not_installed(test_case):
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test_case.skipTest("Qt bindings are not installed")
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class PillowQtTestCase(object):
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def setUp(self):
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skip_if_qt_is_not_installed(self)
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def tearDown(self):
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pass
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class PillowQPixmapTestCase(PillowQtTestCase):
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def setUp(self):
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PillowQtTestCase.setUp(self)
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try:
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if ImageQt.qt_version == "5":
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from PyQt5.QtGui import QGuiApplication
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elif ImageQt.qt_version == "4":
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from PyQt4.QtGui import QGuiApplication
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elif ImageQt.qt_version == "side":
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from PySide.QtGui import QGuiApplication
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elif ImageQt.qt_version == "side2":
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from PySide2.QtGui import QGuiApplication
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except ImportError:
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self.skipTest("QGuiApplication not installed")
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self.app = QGuiApplication([])
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def tearDown(self):
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PillowQtTestCase.tearDown(self)
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self.app.quit()
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class TestImageQt(PillowQtTestCase, PillowTestCase):
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def test_rgb(self):
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# from https://doc.qt.io/archives/qt-4.8/qcolor.html
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# typedef QRgb
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# An ARGB quadruplet on the format #AARRGGBB,
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# equivalent to an unsigned int.
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if ImageQt.qt_version == "5":
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from PyQt5.QtGui import qRgb
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elif ImageQt.qt_version == "4":
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from PyQt4.QtGui import qRgb
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elif ImageQt.qt_version == "side":
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from PySide.QtGui import qRgb
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elif ImageQt.qt_version == "side2":
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from PySide2.QtGui import qRgb
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self.assertEqual(qRgb(0, 0, 0), qRgba(0, 0, 0, 255))
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def checkrgb(r, g, b):
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val = ImageQt.rgb(r, g, b)
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val = val % 2 ** 24 # drop the alpha
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self.assertEqual(val >> 16, r)
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self.assertEqual(((val >> 8) % 2 ** 8), g)
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self.assertEqual(val % 2 ** 8, b)
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checkrgb(0, 0, 0)
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checkrgb(255, 0, 0)
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checkrgb(0, 255, 0)
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checkrgb(0, 0, 255)
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def test_image(self):
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for mode in ("1", "RGB", "RGBA", "L", "P"):
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ImageQt.ImageQt(hopper(mode))
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def test_deprecated(self):
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with warnings.catch_warnings(record=True) as w:
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reload(ImageQt)
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if ImageQt.qt_version in ["4", "side"]:
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self.assertEqual(len(w), 1)
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self.assertTrue(issubclass(w[-1].category, DeprecationWarning))
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else:
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# No warning.
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self.assertEqual(w, [])
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