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Þ'¯°ÌME[YéïĵÂCå½ Ué©Áû'Ê9%eÔðNU”ë‘ÌsD3/®+UI˜9h.WC”빓$#:pz:YÓ ¿xž* ³$Í +$kñAŠ‹†¢ Uê>¸)_š¬÷©ßAÂÔb9ÇU ¯¾á•9¯ÏÏ÷O÷¼¼Fähal1‰3Ì[Ïr•´UCksNÐ] R‘¸¥H+§Šé†c©vÖÞ0iÓ76s†î!§=ß ¼~Ô'°Ãmäoäš³ªøi1úÉ)³yV8 CLÄØÁ‘WYïi€H6ÖÑiámø^ÈY´°Ñ7¥Û*—Ñ©L«Qƒï—Ùrÿ ›£Ð*š¸ˆL©ˆ$ˆ ÷¾D§9È®«qbqC)–ˆïv´çñsÑVT­Ø, <àïºÀO«Jý·õ àfPìð .wFšir´þ’2_Y *Æ€x\« ì€9š@ Ž|F⇥ˆkZ@hÖÄ0t¿-<“‹qµ¾*ZL¤Ú)&BJpÓF5=$„at*Zš$’ÑtdûÝRI1 2Ž‰$€$I$#‰SÞ’Hë¬ï;Á$¡t$’`<(ñÇt)$‡Ð.Êf¢X’Kt=Éé$‚ˆªè¢oÝëòI%Rgcª÷ŠyI%¡‰ÿ !ñ)´õ $¤ Ô’IIGÿÙfrom test.support import check_no_resource_warning, findfile, TESTFN, unlink import unittest from unittest import mock from test import audiotests from audioop import byteswap import io import sys import struct import aifc class AifcTest(audiotests.AudioWriteTests, audiotests.AudioTestsWithSourceFile): module = aifc close_fd = True test_unseekable_read = None class AifcPCM8Test(AifcTest, unittest.TestCase): sndfilename = 'pluck-pcm8.aiff' sndfilenframes = 3307 nchannels = 2 sampwidth = 1 framerate = 11025 nframes = 48 comptype = b'NONE' compname = b'not compressed' frames = bytes.fromhex("""\ 02FF 4B00 3104 8008 CB06 4803 BF01 03FE B8FA B4F3 29EB 1AE6 \ EDE4 C6E2 0EE0 EFE0 57E2 FBE8 13EF D8F7 97FB F5FC 08FB DFFB \ 11FA 3EFB BCFC 66FF CF04 4309 C10E 5112 EE17 8216 7F14 8012 \ 490E 520D EF0F CE0F E40C 630A 080A 2B0B 510E 8B11 B60E 440A \ """) class AifcPCM16Test(AifcTest, unittest.TestCase): sndfilename = 'pluck-pcm16.aiff' sndfilenframes = 3307 nchannels = 2 sampwidth = 2 framerate = 11025 nframes = 48 comptype = b'NONE' compname = b'not compressed' frames = bytes.fromhex("""\ 022EFFEA 4B5D00F6 311804EA 80E10840 CBE106B1 48A903F5 BFE601B2 036CFE7B \ B858FA3E B4B1F34F 299AEBCA 1A5DE6DA EDFAE491 C628E275 0E09E0B5 EF2AE029 \ 5758E271 FB35E83F 1376EF86 D82BF727 9790FB76 F5FAFC0F 0867FB9C DF30FB43 \ 117EFA36 3EE5FB5B BC79FCB1 66D9FF5D CF150412 431D097C C1BA0EC8 512112A1 \ EEE21753 82071665 7FFF1443 8004128F 49A20EAF 52BB0DBA EFB40F60 CE3C0FBF \ E4B30CEC 63430A5C 08C80A20 2BBB0B08 514A0E43 8BCF1139 B6F60EEB 44120A5E \ """) class AifcPCM24Test(AifcTest, unittest.TestCase): sndfilename = 'pluck-pcm24.aiff' sndfilenframes = 3307 nchannels = 2 sampwidth = 3 framerate = 11025 nframes = 48 comptype = b'NONE' compname = b'not compressed' frames = bytes.fromhex("""\ 022D65FFEB9D 4B5A0F00FA54 3113C304EE2B 80DCD6084303 \ CBDEC006B261 48A99803F2F8 BFE82401B07D 036BFBFE7B5D \ B85756FA3EC9 B4B055F3502B 299830EBCB62 1A5CA7E6D99A \ EDFA3EE491BD C625EBE27884 0E05A9E0B6CF EF2929E02922 \ 5758D8E27067 FB3557E83E16 1377BFEF8402 D82C5BF7272A \ 978F16FB7745 F5F865FC1013 086635FB9C4E DF30FCFB40EE \ 117FE0FA3438 3EE6B8FB5AC3 BC77A3FCB2F4 66D6DAFF5F32 \ CF13B9041275 431D69097A8C C1BB600EC74E 5120B912A2BA \ EEDF641754C0 8207001664B7 7FFFFF14453F 8000001294E6 \ 499C1B0EB3B2 52B73E0DBCA0 EFB2B20F5FD8 CE3CDB0FBE12 \ E4B49C0CEA2D 6344A80A5A7C 08C8FE0A1FFE 2BB9860B0A0E \ 51486F0E44E1 8BCC64113B05 B6F4EC0EEB36 4413170A5B48 \ """) class AifcPCM32Test(AifcTest, unittest.TestCase): sndfilename = 'pluck-pcm32.aiff' sndfilenframes = 3307 nchannels = 2 sampwidth = 4 framerate = 11025 nframes = 48 comptype = b'NONE' compname = b'not compressed' frames = bytes.fromhex("""\ 022D65BCFFEB9D92 4B5A0F8000FA549C 3113C34004EE2BC0 80DCD680084303E0 \ CBDEC0C006B26140 48A9980003F2F8FC BFE8248001B07D92 036BFB60FE7B5D34 \ B8575600FA3EC920 B4B05500F3502BC0 29983000EBCB6240 1A5CA7A0E6D99A60 \ EDFA3E80E491BD40 C625EB80E27884A0 0E05A9A0E0B6CFE0 EF292940E0292280 \ 5758D800E2706700 FB3557D8E83E1640 1377BF00EF840280 D82C5B80F7272A80 \ 978F1600FB774560 F5F86510FC101364 086635A0FB9C4E20 DF30FC40FB40EE28 \ 117FE0A0FA3438B0 3EE6B840FB5AC3F0 BC77A380FCB2F454 66D6DA80FF5F32B4 \ CF13B980041275B0 431D6980097A8C00 C1BB60000EC74E00 5120B98012A2BAA0 \ EEDF64C01754C060 820700001664B780 7FFFFFFF14453F40 800000001294E6E0 \ 499C1B000EB3B270 52B73E000DBCA020 EFB2B2E00F5FD880 CE3CDB400FBE1270 \ E4B49CC00CEA2D90 6344A8800A5A7CA0 08C8FE800A1FFEE0 2BB986C00B0A0E00 \ 51486F800E44E190 8BCC6480113B0580 B6F4EC000EEB3630 441317800A5B48A0 \ """) class AifcULAWTest(AifcTest, unittest.TestCase): sndfilename = 'pluck-ulaw.aifc' sndfilenframes = 3307 nchannels = 2 sampwidth = 2 framerate = 11025 nframes = 48 comptype = b'ulaw' compname = b'' frames = bytes.fromhex("""\ 022CFFE8 497C0104 307C04DC 8284083C CB84069C 497C03DC BE8401AC 036CFE74 \ B684FA24 B684F344 2A7CEC04 19FCE704 EE04E504 C584E204 0E3CE104 EF04DF84 \ 557CE204 FB24E804 12FCEF04 D784F744 9684FB64 F5C4FC24 083CFBA4 DF84FB24 \ 11FCFA24 3E7CFB64 BA84FCB4 657CFF5C CF84041C 417C093C C1840EBC 517C12FC \ EF0416FC 828415FC 7D7C13FC 828412FC 497C0EBC 517C0DBC F0040F3C CD840FFC \ E5040CBC 617C0A3C 08BC0A3C 2C7C0B3C 517C0E3C 8A8410FC B6840EBC 457C0A3C \ """) if sys.byteorder != 'big': frames = byteswap(frames, 2) class AifcALAWTest(AifcTest, unittest.TestCase): sndfilename = 'pluck-alaw.aifc' sndfilenframes = 3307 nchannels = 2 sampwidth = 2 framerate = 11025 nframes = 48 comptype = b'alaw' compname = b'' frames = bytes.fromhex("""\ 0230FFE8 4A0000F8 310004E0 82000840 CB0006A0 4A0003F0 BE0001A8 0370FE78 \ BA00FA20 B600F340 2900EB80 1A80E680 ED80E480 C700E280 0E40E080 EF80E080 \ 5600E280 FB20E880 1380EF80 D900F740 9600FB60 F5C0FC10 0840FBA0 DF00FB20 \ 1180FA20 3F00FB60 BE00FCB0 6600FF58 CF000420 42000940 C1000EC0 52001280 \ EE801780 82001680 7E001480 82001280 4A000EC0 52000DC0 EF800F40 CF000FC0 \ E4800CC0 62000A40 08C00A40 2B000B40 52000E40 8A001180 B6000EC0 46000A40 \ """) if sys.byteorder != 'big': frames = byteswap(frames, 2) class AifcMiscTest(unittest.TestCase): def test_skipunknown(self): #Issue 2245 #This file contains chunk types aifc doesn't recognize. f = aifc.open(findfile('Sine-1000Hz-300ms.aif')) f.close() def test_close_opened_files_on_error(self): non_aifc_file = findfile('pluck-pcm8.wav', subdir='audiodata') with check_no_resource_warning(self): with self.assertRaises(aifc.Error): # Try opening a non-AIFC file, with the expectation that # `aifc.open` will fail (without raising a ResourceWarning) self.f = aifc.open(non_aifc_file, 'rb') # Aifc_write.initfp() won't raise in normal case. But some errors # (e.g. MemoryError, KeyboardInterrupt, etc..) can happen. with mock.patch.object(aifc.Aifc_write, 'initfp', side_effect=RuntimeError): with self.assertRaises(RuntimeError): self.fout = aifc.open(TESTFN, 'wb') def test_params_added(self): f = self.f = aifc.open(TESTFN, 'wb') f.aiff() f.setparams((1, 1, 1, 1, b'NONE', b'')) f.close() f = aifc.open(TESTFN, 'rb') self.addCleanup(f.close) params = f.getparams() self.assertEqual(params.nchannels, f.getnchannels()) self.assertEqual(params.sampwidth, f.getsampwidth()) self.assertEqual(params.framerate, f.getframerate()) self.assertEqual(params.nframes, f.getnframes()) self.assertEqual(params.comptype, f.getcomptype()) self.assertEqual(params.compname, f.getcompname()) def test_write_header_comptype_sampwidth(self): for comptype in (b'ULAW', b'ulaw', b'ALAW', b'alaw', b'G722'): fout = aifc.open(io.BytesIO(), 'wb') fout.setnchannels(1) fout.setframerate(1) fout.setcomptype(comptype, b'') fout.close() self.assertEqual(fout.getsampwidth(), 2) fout.initfp(None) def test_write_markers_values(self): fout = aifc.open(io.BytesIO(), 'wb') self.assertEqual(fout.getmarkers(), None) fout.setmark(1, 0, b'foo1') fout.setmark(1, 1, b'foo2') self.assertEqual(fout.getmark(1), (1, 1, b'foo2')) self.assertEqual(fout.getmarkers(), [(1, 1, b'foo2')]) fout.initfp(None) def test_read_markers(self): fout = self.fout = aifc.open(TESTFN, 'wb') fout.aiff() fout.setparams((1, 1, 1, 1, b'NONE', b'')) fout.setmark(1, 0, b'odd') fout.setmark(2, 0, b'even') fout.writeframes(b'\x00') fout.close() f = aifc.open(TESTFN, 'rb') self.addCleanup(f.close) self.assertEqual(f.getmarkers(), [(1, 0, b'odd'), (2, 0, b'even')]) self.assertEqual(f.getmark(1), (1, 0, b'odd')) self.assertEqual(f.getmark(2), (2, 0, b'even')) self.assertRaises(aifc.Error, f.getmark, 3) class AIFCLowLevelTest(unittest.TestCase): def test_read_written(self): def read_written(self, what): f = io.BytesIO() getattr(aifc, '_write_' + what)(f, x) f.seek(0) return getattr(aifc, '_read_' + what)(f) for x in (-1, 0, 0.1, 1): self.assertEqual(read_written(x, 'float'), x) for x in (float('NaN'), float('Inf')): self.assertEqual(read_written(x, 'float'), aifc._HUGE_VAL) for x in (b'', b'foo', b'a' * 255): self.assertEqual(read_written(x, 'string'), x) for x in (-0x7FFFFFFF, -1, 0, 1, 0x7FFFFFFF): self.assertEqual(read_written(x, 'long'), x) for x in (0, 1, 0xFFFFFFFF): self.assertEqual(read_written(x, 'ulong'), x) for x in (-0x7FFF, -1, 0, 1, 0x7FFF): self.assertEqual(read_written(x, 'short'), x) for x in (0, 1, 0xFFFF): self.assertEqual(read_written(x, 'ushort'), x) def test_read_raises(self): f = io.BytesIO(b'\x00') self.assertRaises(EOFError, aifc._read_ulong, f) self.assertRaises(EOFError, aifc._read_long, f) self.assertRaises(EOFError, aifc._read_ushort, f) self.assertRaises(EOFError, aifc._read_short, f) def test_write_long_string_raises(self): f = io.BytesIO() with self.assertRaises(ValueError): aifc._write_string(f, b'too long' * 255) def test_wrong_open_mode(self): with self.assertRaises(aifc.Error): aifc.open(TESTFN, 'wrong_mode') def test_read_wrong_form(self): b1 = io.BytesIO(b'WRNG' + struct.pack('>L', 0)) b2 = io.BytesIO(b'FORM' + struct.pack('>L', 4) + b'WRNG') self.assertRaises(aifc.Error, aifc.open, b1) self.assertRaises(aifc.Error, aifc.open, b2) def test_read_no_comm_chunk(self): b = io.BytesIO(b'FORM' + struct.pack('>L', 4) + b'AIFF') self.assertRaises(aifc.Error, aifc.open, b) def test_read_no_ssnd_chunk(self): b = b'FORM' + struct.pack('>L', 4) + b'AIFC' b += b'COMM' + struct.pack('>LhlhhLL', 38, 1, 0, 8, 0x4000 | 12, 11025<<18, 0) b += b'NONE' + struct.pack('B', 14) + b'not compressed' + b'\x00' with self.assertRaisesRegex(aifc.Error, 'COMM chunk and/or SSND chunk' ' missing'): aifc.open(io.BytesIO(b)) def test_read_wrong_compression_type(self): b = b'FORM' + struct.pack('>L', 4) + b'AIFC' b += b'COMM' + struct.pack('>LhlhhLL', 23, 1, 0, 8, 0x4000 | 12, 11025<<18, 0) b += b'WRNG' + struct.pack('B', 0) self.assertRaises(aifc.Error, aifc.open, io.BytesIO(b)) def test_read_wrong_number_of_channels(self): for nchannels in 0, -1: b = b'FORM' + struct.pack('>L', 4) + b'AIFC' b += b'COMM' + struct.pack('>LhlhhLL', 38, nchannels, 0, 8, 0x4000 | 12, 11025<<18, 0) b += b'NONE' + struct.pack('B', 14) + b'not compressed' + b'\x00' b += b'SSND' + struct.pack('>L', 8) + b'\x00' * 8 with self.assertRaisesRegex(aifc.Error, 'bad # of channels'): aifc.open(io.BytesIO(b)) def test_read_wrong_sample_width(self): for sampwidth in 0, -1: b = b'FORM' + struct.pack('>L', 4) + b'AIFC' b += b'COMM' + struct.pack('>LhlhhLL', 38, 1, 0, sampwidth, 0x4000 | 12, 11025<<18, 0) b += b'NONE' + struct.pack('B', 14) + b'not compressed' + b'\x00' b += b'SSND' + struct.pack('>L', 8) + b'\x00' * 8 with self.assertRaisesRegex(aifc.Error, 'bad sample width'): aifc.open(io.BytesIO(b)) def test_read_wrong_marks(self): b = b'FORM' + struct.pack('>L', 4) + b'AIFF' b += b'COMM' + struct.pack('>LhlhhLL', 18, 1, 0, 8, 0x4000 | 12, 11025<<18, 0) b += b'SSND' + struct.pack('>L', 8) + b'\x00' * 8 b += b'MARK' + struct.pack('>LhB', 3, 1, 1) with self.assertWarns(UserWarning) as cm: f = aifc.open(io.BytesIO(b)) self.assertEqual(str(cm.warning), 'Warning: MARK chunk contains ' 'only 0 markers instead of 1') self.assertEqual(f.getmarkers(), None) def test_read_comm_kludge_compname_even(self): b = b'FORM' + struct.pack('>L', 4) + b'AIFC' b += b'COMM' + struct.pack('>LhlhhLL', 18, 1, 0, 8, 0x4000 | 12, 11025<<18, 0) b += b'NONE' + struct.pack('B', 4) + b'even' + b'\x00' b += b'SSND' + struct.pack('>L', 8) + b'\x00' * 8 with self.assertWarns(UserWarning) as cm: f = aifc.open(io.BytesIO(b)) self.assertEqual(str(cm.warning), 'Warning: bad COMM chunk size') self.assertEqual(f.getcompname(), b'even') def test_read_comm_kludge_compname_odd(self): b = b'FORM' + struct.pack('>L', 4) + b'AIFC' b += b'COMM' + struct.pack('>LhlhhLL', 18, 1, 0, 8, 0x4000 | 12, 11025<<18, 0) b += b'NONE' + struct.pack('B', 3) + b'odd' b += b'SSND' + struct.pack('>L', 8) + b'\x00' * 8 with self.assertWarns(UserWarning) as cm: f = aifc.open(io.BytesIO(b)) self.assertEqual(str(cm.warning), 'Warning: bad COMM chunk size') self.assertEqual(f.getcompname(), b'odd') def test_write_params_raises(self): fout = aifc.open(io.BytesIO(), 'wb') wrong_params = (0, 0, 0, 0, b'WRNG', '') self.assertRaises(aifc.Error, fout.setparams, wrong_params) self.assertRaises(aifc.Error, fout.getparams) self.assertRaises(aifc.Error, fout.setnchannels, 0) self.assertRaises(aifc.Error, fout.getnchannels) self.assertRaises(aifc.Error, fout.setsampwidth, 0) self.assertRaises(aifc.Error, fout.getsampwidth) self.assertRaises(aifc.Error, fout.setframerate, 0) self.assertRaises(aifc.Error, fout.getframerate) self.assertRaises(aifc.Error, fout.setcomptype, b'WRNG', '') fout.aiff() fout.setnchannels(1) fout.setsampwidth(1) fout.setframerate(1) fout.setnframes(1) fout.writeframes(b'\x00') self.assertRaises(aifc.Error, fout.setparams, (1, 1, 1, 1, 1, 1)) self.assertRaises(aifc.Error, fout.setnchannels, 1) self.assertRaises(aifc.Error, fout.setsampwidth, 1) self.assertRaises(aifc.Error, fout.setframerate, 1) self.assertRaises(aifc.Error, fout.setnframes, 1) self.assertRaises(aifc.Error, fout.setcomptype, b'NONE', '') self.assertRaises(aifc.Error, fout.aiff) self.assertRaises(aifc.Error, fout.aifc) def test_write_params_singles(self): fout = aifc.open(io.BytesIO(), 'wb') fout.aifc() fout.setnchannels(1) fout.setsampwidth(2) fout.setframerate(3) fout.setnframes(4) fout.setcomptype(b'NONE', b'name') self.assertEqual(fout.getnchannels(), 1) self.assertEqual(fout.getsampwidth(), 2) self.assertEqual(fout.getframerate(), 3) self.assertEqual(fout.getnframes(), 0) self.assertEqual(fout.tell(), 0) self.assertEqual(fout.getcomptype(), b'NONE') self.assertEqual(fout.getcompname(), b'name') fout.writeframes(b'\x00' * 4 * fout.getsampwidth() * fout.getnchannels()) self.assertEqual(fout.getnframes(), 4) self.assertEqual(fout.tell(), 4) def test_write_params_bunch(self): fout = aifc.open(io.BytesIO(), 'wb') fout.aifc() p = (1, 2, 3, 4, b'NONE', b'name') fout.setparams(p) self.assertEqual(fout.getparams(), p) fout.initfp(None) def test_write_header_raises(self): fout = aifc.open(io.BytesIO(), 'wb') self.assertRaises(aifc.Error, fout.close) fout = aifc.open(io.BytesIO(), 'wb') fout.setnchannels(1) self.assertRaises(aifc.Error, fout.close) fout = aifc.open(io.BytesIO(), 'wb') fout.setnchannels(1) fout.setsampwidth(1) self.assertRaises(aifc.Error, fout.close) def test_write_header_comptype_raises(self): for comptype in (b'ULAW', b'ulaw', b'ALAW', b'alaw', b'G722'): fout = aifc.open(io.BytesIO(), 'wb') fout.setsampwidth(1) fout.setcomptype(comptype, b'') self.assertRaises(aifc.Error, fout.close) fout.initfp(None) def test_write_markers_raises(self): fout = aifc.open(io.BytesIO(), 'wb') self.assertRaises(aifc.Error, fout.setmark, 0, 0, b'') self.assertRaises(aifc.Error, fout.setmark, 1, -1, b'') self.assertRaises(aifc.Error, fout.setmark, 1, 0, None) self.assertRaises(aifc.Error, fout.getmark, 1) fout.initfp(None) def test_write_aiff_by_extension(self): sampwidth = 2 filename = TESTFN + '.aiff' fout = self.fout = aifc.open(filename, 'wb') self.addCleanup(unlink, filename) fout.setparams((1, sampwidth, 1, 1, b'ULAW', b'')) frames = b'\x00' * fout.getnchannels() * sampwidth fout.writeframes(frames) fout.close() f = self.f = aifc.open(filename, 'rb') self.assertEqual(f.getcomptype(), b'NONE') f.close() if __name__ == "__main__": unittest.main()