diff options
| -rw-r--r-- | Lib/aifc.py | 12 | ||||
| -rw-r--r-- | Lib/test/test_aifc.py | 158 | ||||
| -rw-r--r-- | Misc/NEWS | 2 |
3 files changed, 157 insertions, 15 deletions
diff --git a/Lib/aifc.py b/Lib/aifc.py index 775f39c..ec4f822 100644 --- a/Lib/aifc.py +++ b/Lib/aifc.py @@ -136,6 +136,7 @@ writeframesraw. import struct import builtins +import warnings __all__ = ["Error", "open", "openfp"] @@ -440,7 +441,7 @@ class Aifc_read: kludge = 0 if chunk.chunksize == 18: kludge = 1 - print('Warning: bad COMM chunk size') + warnings.warn('Warning: bad COMM chunk size') chunk.chunksize = 23 #DEBUG end self._comptype = chunk.read(4) @@ -484,11 +485,10 @@ class Aifc_read: # a position 0 and name '' self._markers.append((id, pos, name)) except EOFError: - print('Warning: MARK chunk contains only', end=' ') - print(len(self._markers), end=' ') - if len(self._markers) == 1: print('marker', end=' ') - else: print('markers', end=' ') - print('instead of', nmarkers) + w = ('Warning: MARK chunk contains only %s marker%s instead of %s' % + (len(self._markers), '' if len(self._markers) == 1 else 's', + nmarkers)) + warnings.warn(w) class Aifc_write: # Variables used in this class: diff --git a/Lib/test/test_aifc.py b/Lib/test/test_aifc.py index 236f9b6..ad6f610 100644 --- a/Lib/test/test_aifc.py +++ b/Lib/test/test_aifc.py @@ -1,7 +1,8 @@ -from test.support import findfile, run_unittest, TESTFN +from test.support import findfile, run_unittest, TESTFN, unlink import unittest import os import io +import struct import aifc @@ -20,10 +21,8 @@ class AIFCTest(unittest.TestCase): self.fout.close() except (aifc.Error, AttributeError): pass - try: - os.remove(TESTFN) - except OSError: - pass + unlink(TESTFN) + unlink(TESTFN + '.aiff') def test_skipunknown(self): #Issue 2245 @@ -32,6 +31,7 @@ class AIFCTest(unittest.TestCase): def test_params(self): f = self.f = aifc.open(self.sndfilepath) + self.assertEqual(f.getfp().name, self.sndfilepath) self.assertEqual(f.getnchannels(), 2) self.assertEqual(f.getsampwidth(), 2) self.assertEqual(f.getframerate(), 48000) @@ -45,6 +45,7 @@ class AIFCTest(unittest.TestCase): def test_read(self): f = self.f = aifc.open(self.sndfilepath) + self.assertEqual(f.readframes(0), b'') self.assertEqual(f.tell(), 0) self.assertEqual(f.readframes(2), b'\x00\x00\x00\x00\x0b\xd4\x0b\xd4') f.rewind() @@ -58,6 +59,10 @@ class AIFCTest(unittest.TestCase): self.assertEqual(f.readframes(2), b'\x17t\x17t"\xad"\xad') f.setpos(pos0) self.assertEqual(f.readframes(2), b'\x00\x00\x00\x00\x0b\xd4\x0b\xd4') + with self.assertRaises(aifc.Error): + f.setpos(-1) + with self.assertRaises(aifc.Error): + f.setpos(f.getnframes() + 1) def test_write(self): f = self.f = aifc.open(self.sndfilepath) @@ -92,8 +97,6 @@ class AIFCTest(unittest.TestCase): self.assertEqual(f.getparams()[0:3], fout.getparams()[0:3]) self.assertEqual(fout.getcomptype(), b'ULAW') self.assertEqual(fout.getcompname(), b'foo') - # XXX: this test fails, not sure if it should succeed or not - # self.assertEqual(f.readframes(5), fout.readframes(5)) def test_close(self): class Wrapfile(object): @@ -112,7 +115,7 @@ class AIFCTest(unittest.TestCase): def test_write_header_comptype_sampwidth(self): for comptype in (b'ULAW', b'ulaw', b'ALAW', b'alaw', b'G722'): - fout = self.fout = aifc.open(io.BytesIO(), 'wb') + fout = aifc.open(io.BytesIO(), 'wb') fout.setnchannels(1) fout.setframerate(1) fout.setcomptype(comptype, b'') @@ -121,7 +124,7 @@ class AIFCTest(unittest.TestCase): fout.initfp(None) def test_write_markers_values(self): - fout = self.fout = aifc.open(io.BytesIO(), 'wb') + fout = aifc.open(io.BytesIO(), 'wb') self.assertEqual(fout.getmarkers(), None) fout.setmark(1, 0, b'foo1') fout.setmark(1, 1, b'foo2') @@ -179,6 +182,143 @@ class AIFCLowLevelTest(unittest.TestCase): 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_wrong_compression_type(self): + b = b'FORM' + struct.pack('>L', 4) + b'AIFC' + b += b'COMM' + struct.pack('>LhlhhLL', 23, 0, 0, 0, 0, 0, 0) + b += b'WRNG' + struct.pack('B', 0) + self.assertRaises(aifc.Error, 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, 0, 0, 0, 0, 0, 0) + b += b'SSND' + struct.pack('>L', 8) + b'\x00' * 8 + b += b'MARK' + struct.pack('>LhB', 3, 1, 1) + with self.assertWarns(UserWarning): + f = aifc.open(io.BytesIO(b)) + 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, 0, 0, 0, 0, 0, 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): + f = aifc.open(io.BytesIO(b)) + 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, 0, 0, 0, 0, 0, 0) + b += b'NONE' + struct.pack('B', 3) + b'odd' + b += b'SSND' + struct.pack('>L', 8) + b'\x00' * 8 + with self.assertWarns(UserWarning): + f = aifc.open(io.BytesIO(b)) + 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.setnchannels(1) + self.assertRaises(aifc.Error, fout.close) + fout.setsampwidth(1) + self.assertRaises(aifc.Error, fout.close) + fout.initfp(None) + + 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 + fout = self.fout = aifc.open(TESTFN + '.aiff', 'wb') + 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(TESTFN + '.aiff', 'rb') + self.assertEqual(f.getcomptype(), b'NONE') + f.close() + def test_main(): run_unittest(AIFCTest) @@ -24,6 +24,8 @@ Core and Builtins Library ------- +- Issue #13394: the aifc module now uses warnings.warn() to signal warnings. + - Issue #14252: Fix subprocess.Popen.terminate() to not raise an error under Windows when the child process has already exited. |