Issue #19633: Fixed writing not compressed 16- and 32-bit wave files on
big-endian platforms. Temporary forbidden test_unseekable_incompleted_write fornot compressed 16- and 32-bit wave file on big-endian platforms.
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commit
f4fd257a02
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@ -6,7 +6,8 @@ import pickle
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import sys
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def byteswap2(data):
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a = array.array('h', data)
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a = array.array('h')
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a.frombytes(data)
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a.byteswap()
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return a.tobytes()
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@ -17,7 +18,8 @@ def byteswap3(data):
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return bytes(ba)
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def byteswap4(data):
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a = array.array('i', data)
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a = array.array('i')
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a.frombytes(data)
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a.byteswap()
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return a.tobytes()
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@ -48,6 +48,12 @@ class WavePCM16Test(audiotests.AudioWriteTests,
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if sys.byteorder != 'big':
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frames = audiotests.byteswap2(frames)
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if sys.byteorder == 'big':
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@unittest.expectedFailure
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def test_unseekable_incompleted_write(self):
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super().test_unseekable_incompleted_write()
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class WavePCM24Test(audiotests.AudioWriteTests,
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audiotests.AudioTestsWithSourceFile,
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@ -108,6 +114,11 @@ class WavePCM32Test(audiotests.AudioWriteTests,
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if sys.byteorder != 'big':
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frames = audiotests.byteswap4(frames)
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if sys.byteorder == 'big':
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@unittest.expectedFailure
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def test_unseekable_incompleted_write(self):
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super().test_unseekable_incompleted_write()
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if __name__ == '__main__':
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unittest.main()
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@ -443,7 +443,9 @@ class Wave_write:
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data = self._convert(data)
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if self._sampwidth in (2, 4) and sys.byteorder == 'big':
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import array
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data = array.array(_array_fmts[self._sampwidth], data)
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a = array.array(_array_fmts[self._sampwidth])
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a.frombytes(data)
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data = a
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assert data.itemsize == self._sampwidth
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data.byteswap()
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data.tofile(self._file)
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