This file is indexed.

/usr/lib/python2.7/test/audiotests.py is in libpython2.7-testsuite 2.7.6-8.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
from test.test_support import findfile, TESTFN, unlink
import unittest
import array
import io
import pickle
import sys
import base64

class UnseekableIO(file):
    def tell(self):
        raise io.UnsupportedOperation

    def seek(self, *args, **kwargs):
        raise io.UnsupportedOperation

def fromhex(s):
    return base64.b16decode(s.replace(' ', ''))

def byteswap2(data):
    a = array.array('h')
    a.fromstring(data)
    a.byteswap()
    return a.tostring()

def byteswap3(data):
    ba = bytearray(data)
    ba[::3] = data[2::3]
    ba[2::3] = data[::3]
    return bytes(ba)

def byteswap4(data):
    a = array.array('i')
    a.fromstring(data)
    a.byteswap()
    return a.tostring()


class AudioTests:
    close_fd = False

    def setUp(self):
        self.f = self.fout = None

    def tearDown(self):
        if self.f is not None:
            self.f.close()
        if self.fout is not None:
            self.fout.close()
        unlink(TESTFN)

    def check_params(self, f, nchannels, sampwidth, framerate, nframes,
                     comptype, compname):
        self.assertEqual(f.getnchannels(), nchannels)
        self.assertEqual(f.getsampwidth(), sampwidth)
        self.assertEqual(f.getframerate(), framerate)
        self.assertEqual(f.getnframes(), nframes)
        self.assertEqual(f.getcomptype(), comptype)
        self.assertEqual(f.getcompname(), compname)

        params = f.getparams()
        self.assertEqual(params,
                (nchannels, sampwidth, framerate, nframes, comptype, compname))

        dump = pickle.dumps(params)
        self.assertEqual(pickle.loads(dump), params)


class AudioWriteTests(AudioTests):

    def create_file(self, testfile):
        f = self.fout = self.module.open(testfile, 'wb')
        f.setnchannels(self.nchannels)
        f.setsampwidth(self.sampwidth)
        f.setframerate(self.framerate)
        f.setcomptype(self.comptype, self.compname)
        return f

    def check_file(self, testfile, nframes, frames):
        f = self.module.open(testfile, 'rb')
        try:
            self.assertEqual(f.getnchannels(), self.nchannels)
            self.assertEqual(f.getsampwidth(), self.sampwidth)
            self.assertEqual(f.getframerate(), self.framerate)
            self.assertEqual(f.getnframes(), nframes)
            self.assertEqual(f.readframes(nframes), frames)
        finally:
            f.close()

    def test_write_params(self):
        f = self.create_file(TESTFN)
        f.setnframes(self.nframes)
        f.writeframes(self.frames)
        self.check_params(f, self.nchannels, self.sampwidth, self.framerate,
                          self.nframes, self.comptype, self.compname)
        f.close()

    def test_write(self):
        f = self.create_file(TESTFN)
        f.setnframes(self.nframes)
        f.writeframes(self.frames)
        f.close()

        self.check_file(TESTFN, self.nframes, self.frames)

    def test_incompleted_write(self):
        with open(TESTFN, 'wb') as testfile:
            testfile.write(b'ababagalamaga')
            f = self.create_file(testfile)
            f.setnframes(self.nframes + 1)
            f.writeframes(self.frames)
            f.close()

        with open(TESTFN, 'rb') as testfile:
            self.assertEqual(testfile.read(13), b'ababagalamaga')
            self.check_file(testfile, self.nframes, self.frames)

    def test_multiple_writes(self):
        with open(TESTFN, 'wb') as testfile:
            testfile.write(b'ababagalamaga')
            f = self.create_file(testfile)
            f.setnframes(self.nframes)
            framesize = self.nchannels * self.sampwidth
            f.writeframes(self.frames[:-framesize])
            f.writeframes(self.frames[-framesize:])
            f.close()

        with open(TESTFN, 'rb') as testfile:
            self.assertEqual(testfile.read(13), b'ababagalamaga')
            self.check_file(testfile, self.nframes, self.frames)

    def test_overflowed_write(self):
        with open(TESTFN, 'wb') as testfile:
            testfile.write(b'ababagalamaga')
            f = self.create_file(testfile)
            f.setnframes(self.nframes - 1)
            f.writeframes(self.frames)
            f.close()

        with open(TESTFN, 'rb') as testfile:
            self.assertEqual(testfile.read(13), b'ababagalamaga')
            self.check_file(testfile, self.nframes, self.frames)

    def test_unseekable_read(self):
        f = self.create_file(TESTFN)
        f.setnframes(self.nframes)
        f.writeframes(self.frames)
        f.close()

        with UnseekableIO(TESTFN, 'rb') as testfile:
            self.check_file(testfile, self.nframes, self.frames)

    def test_unseekable_write(self):
        with UnseekableIO(TESTFN, 'wb') as testfile:
            f = self.create_file(testfile)
            f.setnframes(self.nframes)
            f.writeframes(self.frames)
            f.close()
            self.fout = None

        self.check_file(TESTFN, self.nframes, self.frames)

    def test_unseekable_incompleted_write(self):
        with UnseekableIO(TESTFN, 'wb') as testfile:
            testfile.write(b'ababagalamaga')
            f = self.create_file(testfile)
            f.setnframes(self.nframes + 1)
            try:
                f.writeframes(self.frames)
            except IOError:
                pass
            try:
                f.close()
            except IOError:
                pass

        with open(TESTFN, 'rb') as testfile:
            self.assertEqual(testfile.read(13), b'ababagalamaga')
            self.check_file(testfile, self.nframes + 1, self.frames)

    def test_unseekable_overflowed_write(self):
        with UnseekableIO(TESTFN, 'wb') as testfile:
            testfile.write(b'ababagalamaga')
            f = self.create_file(testfile)
            f.setnframes(self.nframes - 1)
            try:
                f.writeframes(self.frames)
            except IOError:
                pass
            try:
                f.close()
            except IOError:
                pass

        with open(TESTFN, 'rb') as testfile:
            self.assertEqual(testfile.read(13), b'ababagalamaga')
            framesize = self.nchannels * self.sampwidth
            self.check_file(testfile, self.nframes - 1, self.frames[:-framesize])


class AudioTestsWithSourceFile(AudioTests):

    @classmethod
    def setUpClass(cls):
        cls.sndfilepath = findfile(cls.sndfilename, subdir='audiodata')

    def test_read_params(self):
        f = self.f = self.module.open(self.sndfilepath)
        #self.assertEqual(f.getfp().name, self.sndfilepath)
        self.check_params(f, self.nchannels, self.sampwidth, self.framerate,
                          self.sndfilenframes, self.comptype, self.compname)

    def test_close(self):
        with open(self.sndfilepath, 'rb') as testfile:
            f = self.f = self.module.open(testfile)
            self.assertFalse(testfile.closed)
            f.close()
            self.assertEqual(testfile.closed, self.close_fd)
        with open(TESTFN, 'wb') as testfile:
            fout = self.fout = self.module.open(testfile, 'wb')
            self.assertFalse(testfile.closed)
            with self.assertRaises(self.module.Error):
                fout.close()
            self.assertEqual(testfile.closed, self.close_fd)
            fout.close() # do nothing

    def test_read(self):
        framesize = self.nchannels * self.sampwidth
        chunk1 = self.frames[:2 * framesize]
        chunk2 = self.frames[2 * framesize: 4 * framesize]
        f = self.f = self.module.open(self.sndfilepath)
        self.assertEqual(f.readframes(0), b'')
        self.assertEqual(f.tell(), 0)
        self.assertEqual(f.readframes(2), chunk1)
        f.rewind()
        pos0 = f.tell()
        self.assertEqual(pos0, 0)
        self.assertEqual(f.readframes(2), chunk1)
        pos2 = f.tell()
        self.assertEqual(pos2, 2)
        self.assertEqual(f.readframes(2), chunk2)
        f.setpos(pos2)
        self.assertEqual(f.readframes(2), chunk2)
        f.setpos(pos0)
        self.assertEqual(f.readframes(2), chunk1)
        with self.assertRaises(self.module.Error):
            f.setpos(-1)
        with self.assertRaises(self.module.Error):
            f.setpos(f.getnframes() + 1)

    def test_copy(self):
        f = self.f = self.module.open(self.sndfilepath)
        fout = self.fout = self.module.open(TESTFN, 'wb')
        fout.setparams(f.getparams())
        i = 0
        n = f.getnframes()
        while n > 0:
            i += 1
            fout.writeframes(f.readframes(i))
            n -= i
        fout.close()
        fout = self.fout = self.module.open(TESTFN, 'rb')
        f.rewind()
        self.assertEqual(f.getparams(), fout.getparams())
        self.assertEqual(f.readframes(f.getnframes()),
                         fout.readframes(fout.getnframes()))

    def test_read_not_from_start(self):
        with open(TESTFN, 'wb') as testfile:
            testfile.write(b'ababagalamaga')
            with open(self.sndfilepath, 'rb') as f:
                testfile.write(f.read())

        with open(TESTFN, 'rb') as testfile:
            self.assertEqual(testfile.read(13), b'ababagalamaga')
            f = self.module.open(testfile, 'rb')
            try:
                self.assertEqual(f.getnchannels(), self.nchannels)
                self.assertEqual(f.getsampwidth(), self.sampwidth)
                self.assertEqual(f.getframerate(), self.framerate)
                self.assertEqual(f.getnframes(), self.sndfilenframes)
                self.assertEqual(f.readframes(self.nframes), self.frames)
            finally:
                f.close()