4710c53dca
These files are a subset of the python-2.7.2.tgz distribution from python.org. Changed files from PyMod-2.7.2 have been copied into the corresponding directories of this tree, replacing the original files in the distribution. Signed-off-by: daryl.mcdaniel@intel.com git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13197 6f19259b-4bc3-4df7-8a09-765794883524
256 lines
9.2 KiB
Python
256 lines
9.2 KiB
Python
# Ridiculously simple test of the winsound module for Windows.
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import unittest
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from test import test_support
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import time
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import os
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import subprocess
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winsound = test_support.import_module('winsound')
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ctypes = test_support.import_module('ctypes')
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import _winreg
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def has_sound(sound):
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"""Find out if a particular event is configured with a default sound"""
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try:
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# Ask the mixer API for the number of devices it knows about.
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# When there are no devices, PlaySound will fail.
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if ctypes.windll.winmm.mixerGetNumDevs() is 0:
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return False
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key = _winreg.OpenKeyEx(_winreg.HKEY_CURRENT_USER,
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"AppEvents\Schemes\Apps\.Default\{0}\.Default".format(sound))
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value = _winreg.EnumValue(key, 0)[1]
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if value is not u"":
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return True
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else:
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return False
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except WindowsError:
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return False
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class BeepTest(unittest.TestCase):
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# As with PlaySoundTest, incorporate the _have_soundcard() check
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# into our test methods. If there's no audio device present,
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# winsound.Beep returns 0 and GetLastError() returns 127, which
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# is: ERROR_PROC_NOT_FOUND ("The specified procedure could not
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# be found"). (FWIW, virtual/Hyper-V systems fall under this
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# scenario as they have no sound devices whatsoever (not even
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# a legacy Beep device).)
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def test_errors(self):
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self.assertRaises(TypeError, winsound.Beep)
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self.assertRaises(ValueError, winsound.Beep, 36, 75)
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self.assertRaises(ValueError, winsound.Beep, 32768, 75)
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def test_extremes(self):
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self._beep(37, 75)
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self._beep(32767, 75)
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def test_increasingfrequency(self):
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for i in xrange(100, 2000, 100):
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self._beep(i, 75)
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def _beep(self, *args):
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# these tests used to use _have_soundcard(), but it's quite
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# possible to have a soundcard, and yet have the beep driver
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# disabled. So basically, we have no way of knowing whether
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# a beep should be produced or not, so currently if these
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# tests fail we're ignoring them
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#
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# XXX the right fix for this is to define something like
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# _have_enabled_beep_driver() and use that instead of the
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# try/except below
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try:
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winsound.Beep(*args)
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except RuntimeError:
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pass
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class MessageBeepTest(unittest.TestCase):
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def tearDown(self):
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time.sleep(0.5)
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def test_default(self):
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self.assertRaises(TypeError, winsound.MessageBeep, "bad")
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self.assertRaises(TypeError, winsound.MessageBeep, 42, 42)
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winsound.MessageBeep()
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def test_ok(self):
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winsound.MessageBeep(winsound.MB_OK)
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def test_asterisk(self):
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winsound.MessageBeep(winsound.MB_ICONASTERISK)
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def test_exclamation(self):
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winsound.MessageBeep(winsound.MB_ICONEXCLAMATION)
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def test_hand(self):
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winsound.MessageBeep(winsound.MB_ICONHAND)
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def test_question(self):
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winsound.MessageBeep(winsound.MB_ICONQUESTION)
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class PlaySoundTest(unittest.TestCase):
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def test_errors(self):
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self.assertRaises(TypeError, winsound.PlaySound)
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self.assertRaises(TypeError, winsound.PlaySound, "bad", "bad")
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self.assertRaises(
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RuntimeError,
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winsound.PlaySound,
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"none", winsound.SND_ASYNC | winsound.SND_MEMORY
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)
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@unittest.skipUnless(has_sound("SystemAsterisk"), "No default SystemAsterisk")
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def test_alias_asterisk(self):
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if _have_soundcard():
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winsound.PlaySound('SystemAsterisk', winsound.SND_ALIAS)
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else:
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self.assertRaises(
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RuntimeError,
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winsound.PlaySound,
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'SystemAsterisk', winsound.SND_ALIAS
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)
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@unittest.skipUnless(has_sound("SystemExclamation"), "No default SystemExclamation")
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def test_alias_exclamation(self):
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if _have_soundcard():
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winsound.PlaySound('SystemExclamation', winsound.SND_ALIAS)
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else:
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self.assertRaises(
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RuntimeError,
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winsound.PlaySound,
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'SystemExclamation', winsound.SND_ALIAS
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)
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@unittest.skipUnless(has_sound("SystemExit"), "No default SystemExit")
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def test_alias_exit(self):
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if _have_soundcard():
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winsound.PlaySound('SystemExit', winsound.SND_ALIAS)
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else:
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self.assertRaises(
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RuntimeError,
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winsound.PlaySound,
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'SystemExit', winsound.SND_ALIAS
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)
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@unittest.skipUnless(has_sound("SystemHand"), "No default SystemHand")
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def test_alias_hand(self):
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if _have_soundcard():
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winsound.PlaySound('SystemHand', winsound.SND_ALIAS)
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else:
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self.assertRaises(
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RuntimeError,
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winsound.PlaySound,
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'SystemHand', winsound.SND_ALIAS
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)
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@unittest.skipUnless(has_sound("SystemQuestion"), "No default SystemQuestion")
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def test_alias_question(self):
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if _have_soundcard():
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winsound.PlaySound('SystemQuestion', winsound.SND_ALIAS)
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else:
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self.assertRaises(
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RuntimeError,
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winsound.PlaySound,
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'SystemQuestion', winsound.SND_ALIAS
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)
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def test_alias_fallback(self):
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# This test can't be expected to work on all systems. The MS
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# PlaySound() docs say:
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#
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# If it cannot find the specified sound, PlaySound uses the
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# default system event sound entry instead. If the function
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# can find neither the system default entry nor the default
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# sound, it makes no sound and returns FALSE.
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#
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# It's known to return FALSE on some real systems.
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# winsound.PlaySound('!"$%&/(#+*', winsound.SND_ALIAS)
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return
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def test_alias_nofallback(self):
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if _have_soundcard():
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# Note that this is not the same as asserting RuntimeError
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# will get raised: you cannot convert this to
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# self.assertRaises(...) form. The attempt may or may not
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# raise RuntimeError, but it shouldn't raise anything other
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# than RuntimeError, and that's all we're trying to test
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# here. The MS docs aren't clear about whether the SDK
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# PlaySound() with SND_ALIAS and SND_NODEFAULT will return
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# True or False when the alias is unknown. On Tim's WinXP
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# box today, it returns True (no exception is raised). What
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# we'd really like to test is that no sound is played, but
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# that requires first wiring an eardrum class into unittest
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# <wink>.
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try:
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winsound.PlaySound(
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'!"$%&/(#+*',
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winsound.SND_ALIAS | winsound.SND_NODEFAULT
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)
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except RuntimeError:
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pass
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else:
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self.assertRaises(
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RuntimeError,
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winsound.PlaySound,
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'!"$%&/(#+*', winsound.SND_ALIAS | winsound.SND_NODEFAULT
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)
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def test_stopasync(self):
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if _have_soundcard():
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winsound.PlaySound(
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'SystemQuestion',
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winsound.SND_ALIAS | winsound.SND_ASYNC | winsound.SND_LOOP
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)
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time.sleep(0.5)
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try:
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winsound.PlaySound(
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'SystemQuestion',
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winsound.SND_ALIAS | winsound.SND_NOSTOP
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)
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except RuntimeError:
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pass
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else: # the first sound might already be finished
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pass
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winsound.PlaySound(None, winsound.SND_PURGE)
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else:
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# Issue 8367: PlaySound(None, winsound.SND_PURGE)
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# does not raise on systems without a sound card.
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pass
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def _get_cscript_path():
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"""Return the full path to cscript.exe or None."""
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for dir in os.environ.get("PATH", "").split(os.pathsep):
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cscript_path = os.path.join(dir, "cscript.exe")
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if os.path.exists(cscript_path):
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return cscript_path
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__have_soundcard_cache = None
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def _have_soundcard():
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"""Return True iff this computer has a soundcard."""
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global __have_soundcard_cache
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if __have_soundcard_cache is None:
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cscript_path = _get_cscript_path()
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if cscript_path is None:
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# Could not find cscript.exe to run our VBScript helper. Default
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# to True: most computers these days *do* have a soundcard.
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return True
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check_script = os.path.join(os.path.dirname(__file__),
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"check_soundcard.vbs")
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p = subprocess.Popen([cscript_path, check_script],
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stdout=subprocess.PIPE)
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__have_soundcard_cache = not p.wait()
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return __have_soundcard_cache
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def test_main():
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test_support.run_unittest(BeepTest, MessageBeepTest, PlaySoundTest)
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if __name__=="__main__":
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test_main()
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