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authorVictor Stinner <vstinner@python.org>2023-05-24 13:00:51 (GMT)
committerGitHub <noreply@github.com>2023-05-24 13:00:51 (GMT)
commitfc07fe4e37fbfd74e7130a20c13d0c07f0a5cff1 (patch)
tree0e3566d16be7ce2d460e49dbd0a837a13582522a /Lib/test
parenta4b7e9d1f812f2598ac9637d95e986c830bd451b (diff)
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gh-104773: PEP 594: Remove the ossaudiodev module (#104862)
* Remove ossaudiodev extension in configure.ac and regenerate the configure script. * Remove ossaudiodev in Modules/Setup and Modules/Setup.stdlib.in.
Diffstat (limited to 'Lib/test')
-rw-r--r--Lib/test/test_ossaudiodev.py205
1 files changed, 0 insertions, 205 deletions
diff --git a/Lib/test/test_ossaudiodev.py b/Lib/test/test_ossaudiodev.py
deleted file mode 100644
index 2cc641a..0000000
--- a/Lib/test/test_ossaudiodev.py
+++ /dev/null
@@ -1,205 +0,0 @@
-from test import support
-from test.support import import_helper, warnings_helper
-import warnings
-support.requires('audio')
-
-from test.support import findfile
-
-with warnings.catch_warnings():
- warnings.simplefilter("ignore", DeprecationWarning)
- ossaudiodev = import_helper.import_module('ossaudiodev')
-audioop = warnings_helper.import_deprecated('audioop')
-sunau = warnings_helper.import_deprecated('sunau')
-
-import errno
-import sys
-import time
-import unittest
-
-# Arggh, AFMT_S16_NE not defined on all platforms -- seems to be a
-# fairly recent addition to OSS.
-try:
- from ossaudiodev import AFMT_S16_NE
-except ImportError:
- if sys.byteorder == "little":
- AFMT_S16_NE = ossaudiodev.AFMT_S16_LE
- else:
- AFMT_S16_NE = ossaudiodev.AFMT_S16_BE
-
-
-def read_sound_file(path):
- with open(path, 'rb') as fp:
- au = sunau.open(fp)
- rate = au.getframerate()
- nchannels = au.getnchannels()
- encoding = au._encoding
- fp.seek(0)
- data = fp.read()
-
- if encoding != sunau.AUDIO_FILE_ENCODING_MULAW_8:
- raise RuntimeError("Expect .au file with 8-bit mu-law samples")
-
- # Convert the data to 16-bit signed.
- data = audioop.ulaw2lin(data, 2)
- return (data, rate, 16, nchannels)
-
-class OSSAudioDevTests(unittest.TestCase):
-
- def play_sound_file(self, data, rate, ssize, nchannels):
- try:
- dsp = ossaudiodev.open('w')
- except OSError as msg:
- if msg.args[0] in (errno.EACCES, errno.ENOENT,
- errno.ENODEV, errno.EBUSY):
- raise unittest.SkipTest(msg)
- raise
-
- # at least check that these methods can be invoked
- dsp.bufsize()
- dsp.obufcount()
- dsp.obuffree()
- dsp.getptr()
- dsp.fileno()
-
- # Make sure the read-only attributes work.
- self.assertFalse(dsp.closed)
- self.assertEqual(dsp.name, "/dev/dsp")
- self.assertEqual(dsp.mode, "w", "bad dsp.mode: %r" % dsp.mode)
-
- # And make sure they're really read-only.
- for attr in ('closed', 'name', 'mode'):
- try:
- setattr(dsp, attr, 42)
- except (TypeError, AttributeError):
- pass
- else:
- self.fail("dsp.%s not read-only" % attr)
-
- # Compute expected running time of sound sample (in seconds).
- expected_time = float(len(data)) / (ssize/8) / nchannels / rate
-
- # set parameters based on .au file headers
- dsp.setparameters(AFMT_S16_NE, nchannels, rate)
- self.assertTrue(abs(expected_time - 3.51) < 1e-2, expected_time)
- t1 = time.monotonic()
- dsp.write(data)
- dsp.close()
- t2 = time.monotonic()
- elapsed_time = t2 - t1
-
- percent_diff = (abs(elapsed_time - expected_time) / expected_time) * 100
- self.assertTrue(percent_diff <= 10.0,
- "elapsed time (%s) > 10%% off of expected time (%s)" %
- (elapsed_time, expected_time))
-
- def set_parameters(self, dsp):
- # Two configurations for testing:
- # config1 (8-bit, mono, 8 kHz) should work on even the most
- # ancient and crufty sound card, but maybe not on special-
- # purpose high-end hardware
- # config2 (16-bit, stereo, 44.1kHz) should work on all but the
- # most ancient and crufty hardware
- config1 = (ossaudiodev.AFMT_U8, 1, 8000)
- config2 = (AFMT_S16_NE, 2, 44100)
-
- for config in [config1, config2]:
- (fmt, channels, rate) = config
- if (dsp.setfmt(fmt) == fmt and
- dsp.channels(channels) == channels and
- dsp.speed(rate) == rate):
- break
- else:
- raise RuntimeError("unable to set audio sampling parameters: "
- "you must have really weird audio hardware")
-
- # setparameters() should be able to set this configuration in
- # either strict or non-strict mode.
- result = dsp.setparameters(fmt, channels, rate, False)
- self.assertEqual(result, (fmt, channels, rate),
- "setparameters%r: returned %r" % (config, result))
-
- result = dsp.setparameters(fmt, channels, rate, True)
- self.assertEqual(result, (fmt, channels, rate),
- "setparameters%r: returned %r" % (config, result))
-
- def set_bad_parameters(self, dsp):
- # Now try some configurations that are presumably bogus: eg. 300
- # channels currently exceeds even Hollywood's ambitions, and
- # negative sampling rate is utter nonsense. setparameters() should
- # accept these in non-strict mode, returning something other than
- # was requested, but should barf in strict mode.
- fmt = AFMT_S16_NE
- rate = 44100
- channels = 2
- for config in [(fmt, 300, rate), # ridiculous nchannels
- (fmt, -5, rate), # impossible nchannels
- (fmt, channels, -50), # impossible rate
- ]:
- (fmt, channels, rate) = config
- result = dsp.setparameters(fmt, channels, rate, False)
- self.assertNotEqual(result, config,
- "unexpectedly got requested configuration")
-
- try:
- result = dsp.setparameters(fmt, channels, rate, True)
- except ossaudiodev.OSSAudioError as err:
- pass
- else:
- self.fail("expected OSSAudioError")
-
- def test_playback(self):
- sound_info = read_sound_file(findfile('audiotest.au'))
- self.play_sound_file(*sound_info)
-
- def test_set_parameters(self):
- dsp = ossaudiodev.open("w")
- try:
- self.set_parameters(dsp)
-
- # Disabled because it fails under Linux 2.6 with ALSA's OSS
- # emulation layer.
- #self.set_bad_parameters(dsp)
- finally:
- dsp.close()
- self.assertTrue(dsp.closed)
-
- def test_mixer_methods(self):
- # Issue #8139: ossaudiodev didn't initialize its types properly,
- # therefore some methods were unavailable.
- with ossaudiodev.openmixer() as mixer:
- self.assertGreaterEqual(mixer.fileno(), 0)
-
- def test_with(self):
- with ossaudiodev.open('w') as dsp:
- pass
- self.assertTrue(dsp.closed)
-
- def test_on_closed(self):
- dsp = ossaudiodev.open('w')
- dsp.close()
- self.assertRaises(ValueError, dsp.fileno)
- self.assertRaises(ValueError, dsp.read, 1)
- self.assertRaises(ValueError, dsp.write, b'x')
- self.assertRaises(ValueError, dsp.writeall, b'x')
- self.assertRaises(ValueError, dsp.bufsize)
- self.assertRaises(ValueError, dsp.obufcount)
- self.assertRaises(ValueError, dsp.obufcount)
- self.assertRaises(ValueError, dsp.obuffree)
- self.assertRaises(ValueError, dsp.getptr)
-
- mixer = ossaudiodev.openmixer()
- mixer.close()
- self.assertRaises(ValueError, mixer.fileno)
-
-def setUpModule():
- try:
- dsp = ossaudiodev.open('w')
- except (ossaudiodev.error, OSError) as msg:
- if msg.args[0] in (errno.EACCES, errno.ENOENT,
- errno.ENODEV, errno.EBUSY):
- raise unittest.SkipTest(msg)
- raise
- dsp.close()
-
-if __name__ == "__main__":
- unittest.main()