This file is indexed.

/usr/lib/python2.7/test/test_str.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
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
import unittest
import struct
import sys
from test import test_support, string_tests


class StrTest(
    string_tests.CommonTest,
    string_tests.MixinStrUnicodeUserStringTest,
    string_tests.MixinStrUserStringTest,
    string_tests.MixinStrUnicodeTest,
    ):

    type2test = str

    # We don't need to propagate to str
    def fixtype(self, obj):
        return obj

    def test_basic_creation(self):
        self.assertEqual(str(''), '')
        self.assertEqual(str(0), '0')
        self.assertEqual(str(0L), '0')
        self.assertEqual(str(()), '()')
        self.assertEqual(str([]), '[]')
        self.assertEqual(str({}), '{}')
        a = []
        a.append(a)
        self.assertEqual(str(a), '[[...]]')
        a = {}
        a[0] = a
        self.assertEqual(str(a), '{0: {...}}')

    def test_formatting(self):
        string_tests.MixinStrUnicodeUserStringTest.test_formatting(self)
        self.assertRaises(OverflowError, '%c'.__mod__, 0x1234)

    @test_support.cpython_only
    def test_formatting_huge_precision(self):
        from _testcapi import INT_MAX
        format_string = "%.{}f".format(INT_MAX + 1)
        with self.assertRaises(ValueError):
            result = format_string % 2.34

    def test_formatting_huge_width(self):
        format_string = "%{}f".format(sys.maxsize + 1)
        with self.assertRaises(ValueError):
            result = format_string % 2.34

    def test_conversion(self):
        # Make sure __str__() behaves properly
        class Foo0:
            def __unicode__(self):
                return u"foo"

        class Foo1:
            def __str__(self):
                return "foo"

        class Foo2(object):
            def __str__(self):
                return "foo"

        class Foo3(object):
            def __str__(self):
                return u"foo"

        class Foo4(unicode):
            def __str__(self):
                return u"foo"

        class Foo5(str):
            def __str__(self):
                return u"foo"

        class Foo6(str):
            def __str__(self):
                return "foos"

            def __unicode__(self):
                return u"foou"

        class Foo7(unicode):
            def __str__(self):
                return "foos"
            def __unicode__(self):
                return u"foou"

        class Foo8(str):
            def __new__(cls, content=""):
                return str.__new__(cls, 2*content)
            def __str__(self):
                return self

        class Foo9(str):
            def __str__(self):
                return "string"
            def __unicode__(self):
                return "not unicode"

        self.assertTrue(str(Foo0()).startswith("<")) # this is different from __unicode__
        self.assertEqual(str(Foo1()), "foo")
        self.assertEqual(str(Foo2()), "foo")
        self.assertEqual(str(Foo3()), "foo")
        self.assertEqual(str(Foo4("bar")), "foo")
        self.assertEqual(str(Foo5("bar")), "foo")
        self.assertEqual(str(Foo6("bar")), "foos")
        self.assertEqual(str(Foo7("bar")), "foos")
        self.assertEqual(str(Foo8("foo")), "foofoo")
        self.assertEqual(str(Foo9("foo")), "string")
        self.assertEqual(unicode(Foo9("foo")), u"not unicode")

    # This test only affects 32-bit platforms because expandtabs can only take
    # an int as the max value, not a 64-bit C long.  If expandtabs is changed
    # to take a 64-bit long, this test should apply to all platforms.
    @unittest.skipIf(sys.maxint > (1 << 32) or struct.calcsize('P') != 4,
                     'only applies to 32-bit platforms')
    def test_expandtabs_overflows_gracefully(self):
        self.assertRaises(OverflowError, 't\tt\t'.expandtabs, sys.maxint)

    def test__format__(self):
        def test(value, format, expected):
            # test both with and without the trailing 's'
            self.assertEqual(value.__format__(format), expected)
            self.assertEqual(value.__format__(format + 's'), expected)

        test('', '', '')
        test('abc', '', 'abc')
        test('abc', '.3', 'abc')
        test('ab', '.3', 'ab')
        test('abcdef', '.3', 'abc')
        test('abcdef', '.0', '')
        test('abc', '3.3', 'abc')
        test('abc', '2.3', 'abc')
        test('abc', '2.2', 'ab')
        test('abc', '3.2', 'ab ')
        test('result', 'x<0', 'result')
        test('result', 'x<5', 'result')
        test('result', 'x<6', 'result')
        test('result', 'x<7', 'resultx')
        test('result', 'x<8', 'resultxx')
        test('result', ' <7', 'result ')
        test('result', '<7', 'result ')
        test('result', '>7', ' result')
        test('result', '>8', '  result')
        test('result', '^8', ' result ')
        test('result', '^9', ' result  ')
        test('result', '^10', '  result  ')
        test('a', '10000', 'a' + ' ' * 9999)
        test('', '10000', ' ' * 10000)
        test('', '10000000', ' ' * 10000000)

    def test_format(self):
        self.assertEqual(''.format(), '')
        self.assertEqual('a'.format(), 'a')
        self.assertEqual('ab'.format(), 'ab')
        self.assertEqual('a{{'.format(), 'a{')
        self.assertEqual('a}}'.format(), 'a}')
        self.assertEqual('{{b'.format(), '{b')
        self.assertEqual('}}b'.format(), '}b')
        self.assertEqual('a{{b'.format(), 'a{b')

        # examples from the PEP:
        import datetime
        self.assertEqual("My name is {0}".format('Fred'), "My name is Fred")
        self.assertEqual("My name is {0[name]}".format(dict(name='Fred')),
                         "My name is Fred")
        self.assertEqual("My name is {0} :-{{}}".format('Fred'),
                         "My name is Fred :-{}")

        d = datetime.date(2007, 8, 18)
        self.assertEqual("The year is {0.year}".format(d),
                         "The year is 2007")

        # classes we'll use for testing
        class C:
            def __init__(self, x=100):
                self._x = x
            def __format__(self, spec):
                return spec

        class D:
            def __init__(self, x):
                self.x = x
            def __format__(self, spec):
                return str(self.x)

        # class with __str__, but no __format__
        class E:
            def __init__(self, x):
                self.x = x
            def __str__(self):
                return 'E(' + self.x + ')'

        # class with __repr__, but no __format__ or __str__
        class F:
            def __init__(self, x):
                self.x = x
            def __repr__(self):
                return 'F(' + self.x + ')'

        # class with __format__ that forwards to string, for some format_spec's
        class G:
            def __init__(self, x):
                self.x = x
            def __str__(self):
                return "string is " + self.x
            def __format__(self, format_spec):
                if format_spec == 'd':
                    return 'G(' + self.x + ')'
                return object.__format__(self, format_spec)

        # class that returns a bad type from __format__
        class H:
            def __format__(self, format_spec):
                return 1.0

        class I(datetime.date):
            def __format__(self, format_spec):
                return self.strftime(format_spec)

        class J(int):
            def __format__(self, format_spec):
                return int.__format__(self * 2, format_spec)


        self.assertEqual(''.format(), '')
        self.assertEqual('abc'.format(), 'abc')
        self.assertEqual('{0}'.format('abc'), 'abc')
        self.assertEqual('{0:}'.format('abc'), 'abc')
        self.assertEqual('X{0}'.format('abc'), 'Xabc')
        self.assertEqual('{0}X'.format('abc'), 'abcX')
        self.assertEqual('X{0}Y'.format('abc'), 'XabcY')
        self.assertEqual('{1}'.format(1, 'abc'), 'abc')
        self.assertEqual('X{1}'.format(1, 'abc'), 'Xabc')
        self.assertEqual('{1}X'.format(1, 'abc'), 'abcX')
        self.assertEqual('X{1}Y'.format(1, 'abc'), 'XabcY')
        self.assertEqual('{0}'.format(-15), '-15')
        self.assertEqual('{0}{1}'.format(-15, 'abc'), '-15abc')
        self.assertEqual('{0}X{1}'.format(-15, 'abc'), '-15Xabc')
        self.assertEqual('{{'.format(), '{')
        self.assertEqual('}}'.format(), '}')
        self.assertEqual('{{}}'.format(), '{}')
        self.assertEqual('{{x}}'.format(), '{x}')
        self.assertEqual('{{{0}}}'.format(123), '{123}')
        self.assertEqual('{{{{0}}}}'.format(), '{{0}}')
        self.assertEqual('}}{{'.format(), '}{')
        self.assertEqual('}}x{{'.format(), '}x{')

        # weird field names
        self.assertEqual("{0[foo-bar]}".format({'foo-bar':'baz'}), 'baz')
        self.assertEqual("{0[foo bar]}".format({'foo bar':'baz'}), 'baz')
        self.assertEqual("{0[ ]}".format({' ':3}), '3')

        self.assertEqual('{foo._x}'.format(foo=C(20)), '20')
        self.assertEqual('{1}{0}'.format(D(10), D(20)), '2010')
        self.assertEqual('{0._x.x}'.format(C(D('abc'))), 'abc')
        self.assertEqual('{0[0]}'.format(['abc', 'def']), 'abc')
        self.assertEqual('{0[1]}'.format(['abc', 'def']), 'def')
        self.assertEqual('{0[1][0]}'.format(['abc', ['def']]), 'def')
        self.assertEqual('{0[1][0].x}'.format(['abc', [D('def')]]), 'def')

        # strings
        self.assertEqual('{0:.3s}'.format('abc'), 'abc')
        self.assertEqual('{0:.3s}'.format('ab'), 'ab')
        self.assertEqual('{0:.3s}'.format('abcdef'), 'abc')
        self.assertEqual('{0:.0s}'.format('abcdef'), '')
        self.assertEqual('{0:3.3s}'.format('abc'), 'abc')
        self.assertEqual('{0:2.3s}'.format('abc'), 'abc')
        self.assertEqual('{0:2.2s}'.format('abc'), 'ab')
        self.assertEqual('{0:3.2s}'.format('abc'), 'ab ')
        self.assertEqual('{0:x<0s}'.format('result'), 'result')
        self.assertEqual('{0:x<5s}'.format('result'), 'result')
        self.assertEqual('{0:x<6s}'.format('result'), 'result')
        self.assertEqual('{0:x<7s}'.format('result'), 'resultx')
        self.assertEqual('{0:x<8s}'.format('result'), 'resultxx')
        self.assertEqual('{0: <7s}'.format('result'), 'result ')
        self.assertEqual('{0:<7s}'.format('result'), 'result ')
        self.assertEqual('{0:>7s}'.format('result'), ' result')
        self.assertEqual('{0:>8s}'.format('result'), '  result')
        self.assertEqual('{0:^8s}'.format('result'), ' result ')
        self.assertEqual('{0:^9s}'.format('result'), ' result  ')
        self.assertEqual('{0:^10s}'.format('result'), '  result  ')
        self.assertEqual('{0:10000}'.format('a'), 'a' + ' ' * 9999)
        self.assertEqual('{0:10000}'.format(''), ' ' * 10000)
        self.assertEqual('{0:10000000}'.format(''), ' ' * 10000000)

        # format specifiers for user defined type
        self.assertEqual('{0:abc}'.format(C()), 'abc')

        # !r and !s coercions
        self.assertEqual('{0!s}'.format('Hello'), 'Hello')
        self.assertEqual('{0!s:}'.format('Hello'), 'Hello')
        self.assertEqual('{0!s:15}'.format('Hello'), 'Hello          ')
        self.assertEqual('{0!s:15s}'.format('Hello'), 'Hello          ')
        self.assertEqual('{0!r}'.format('Hello'), "'Hello'")
        self.assertEqual('{0!r:}'.format('Hello'), "'Hello'")
        self.assertEqual('{0!r}'.format(F('Hello')), 'F(Hello)')

        # test fallback to object.__format__
        self.assertEqual('{0}'.format({}), '{}')
        self.assertEqual('{0}'.format([]), '[]')
        self.assertEqual('{0}'.format([1]), '[1]')
        self.assertEqual('{0}'.format(E('data')), 'E(data)')
        self.assertEqual('{0:d}'.format(G('data')), 'G(data)')
        self.assertEqual('{0!s}'.format(G('data')), 'string is data')

        msg = 'object.__format__ with a non-empty format string is deprecated'
        with test_support.check_warnings((msg, PendingDeprecationWarning)):
            self.assertEqual('{0:^10}'.format(E('data')), ' E(data)  ')
            self.assertEqual('{0:^10s}'.format(E('data')), ' E(data)  ')
            self.assertEqual('{0:>15s}'.format(G('data')), ' string is data')

        self.assertEqual("{0:date: %Y-%m-%d}".format(I(year=2007,
                                                       month=8,
                                                       day=27)),
                         "date: 2007-08-27")

        # test deriving from a builtin type and overriding __format__
        self.assertEqual("{0}".format(J(10)), "20")


        # string format specifiers
        self.assertEqual('{0:}'.format('a'), 'a')

        # computed format specifiers
        self.assertEqual("{0:.{1}}".format('hello world', 5), 'hello')
        self.assertEqual("{0:.{1}s}".format('hello world', 5), 'hello')
        self.assertEqual("{0:.{precision}s}".format('hello world', precision=5), 'hello')
        self.assertEqual("{0:{width}.{precision}s}".format('hello world', width=10, precision=5), 'hello     ')
        self.assertEqual("{0:{width}.{precision}s}".format('hello world', width='10', precision='5'), 'hello     ')

        # test various errors
        self.assertRaises(ValueError, '{'.format)
        self.assertRaises(ValueError, '}'.format)
        self.assertRaises(ValueError, 'a{'.format)
        self.assertRaises(ValueError, 'a}'.format)
        self.assertRaises(ValueError, '{a'.format)
        self.assertRaises(ValueError, '}a'.format)
        self.assertRaises(IndexError, '{0}'.format)
        self.assertRaises(IndexError, '{1}'.format, 'abc')
        self.assertRaises(KeyError,   '{x}'.format)
        self.assertRaises(ValueError, "}{".format)
        self.assertRaises(ValueError, "{".format)
        self.assertRaises(ValueError, "}".format)
        self.assertRaises(ValueError, "abc{0:{}".format)
        self.assertRaises(ValueError, "{0".format)
        self.assertRaises(IndexError, "{0.}".format)
        self.assertRaises(ValueError, "{0.}".format, 0)
        self.assertRaises(IndexError, "{0[}".format)
        self.assertRaises(ValueError, "{0[}".format, [])
        self.assertRaises(KeyError,   "{0]}".format)
        self.assertRaises(ValueError, "{0.[]}".format, 0)
        self.assertRaises(ValueError, "{0..foo}".format, 0)
        self.assertRaises(ValueError, "{0[0}".format, 0)
        self.assertRaises(ValueError, "{0[0:foo}".format, 0)
        self.assertRaises(KeyError,   "{c]}".format)
        self.assertRaises(ValueError, "{{ {{{0}}".format, 0)
        self.assertRaises(ValueError, "{0}}".format, 0)
        self.assertRaises(KeyError,   "{foo}".format, bar=3)
        self.assertRaises(ValueError, "{0!x}".format, 3)
        self.assertRaises(ValueError, "{0!}".format, 0)
        self.assertRaises(ValueError, "{0!rs}".format, 0)
        self.assertRaises(ValueError, "{!}".format)
        self.assertRaises(IndexError, "{:}".format)
        self.assertRaises(IndexError, "{:s}".format)
        self.assertRaises(IndexError, "{}".format)

        # issue 6089
        self.assertRaises(ValueError, "{0[0]x}".format, [None])
        self.assertRaises(ValueError, "{0[0](10)}".format, [None])

        # can't have a replacement on the field name portion
        self.assertRaises(TypeError, '{0[{1}]}'.format, 'abcdefg', 4)

        # exceed maximum recursion depth
        self.assertRaises(ValueError, "{0:{1:{2}}}".format, 'abc', 's', '')
        self.assertRaises(ValueError, "{0:{1:{2:{3:{4:{5:{6}}}}}}}".format,
                          0, 1, 2, 3, 4, 5, 6, 7)

        # string format spec errors
        self.assertRaises(ValueError, "{0:-s}".format, '')
        self.assertRaises(ValueError, format, "", "-")
        self.assertRaises(ValueError, "{0:=s}".format, '')

    def test_format_huge_precision(self):
        format_string = ".{}f".format(sys.maxsize + 1)
        with self.assertRaises(ValueError):
            result = format(2.34, format_string)

    def test_format_huge_width(self):
        format_string = "{}f".format(sys.maxsize + 1)
        with self.assertRaises(ValueError):
            result = format(2.34, format_string)

    def test_format_huge_item_number(self):
        format_string = "{{{}:.6f}}".format(sys.maxsize + 1)
        with self.assertRaises(ValueError):
            result = format_string.format(2.34)

    def test_format_auto_numbering(self):
        class C:
            def __init__(self, x=100):
                self._x = x
            def __format__(self, spec):
                return spec

        self.assertEqual('{}'.format(10), '10')
        self.assertEqual('{:5}'.format('s'), 's    ')
        self.assertEqual('{!r}'.format('s'), "'s'")
        self.assertEqual('{._x}'.format(C(10)), '10')
        self.assertEqual('{[1]}'.format([1, 2]), '2')
        self.assertEqual('{[a]}'.format({'a':4, 'b':2}), '4')
        self.assertEqual('a{}b{}c'.format(0, 1), 'a0b1c')

        self.assertEqual('a{:{}}b'.format('x', '^10'), 'a    x     b')
        self.assertEqual('a{:{}x}b'.format(20, '#'), 'a0x14b')

        # can't mix and match numbering and auto-numbering
        self.assertRaises(ValueError, '{}{1}'.format, 1, 2)
        self.assertRaises(ValueError, '{1}{}'.format, 1, 2)
        self.assertRaises(ValueError, '{:{1}}'.format, 1, 2)
        self.assertRaises(ValueError, '{0:{}}'.format, 1, 2)

        # can mix and match auto-numbering and named
        self.assertEqual('{f}{}'.format(4, f='test'), 'test4')
        self.assertEqual('{}{f}'.format(4, f='test'), '4test')
        self.assertEqual('{:{f}}{g}{}'.format(1, 3, g='g', f=2), ' 1g3')
        self.assertEqual('{f:{}}{}{g}'.format(2, 4, f=1, g='g'), ' 14g')

    def test_buffer_is_readonly(self):
        self.assertRaises(TypeError, sys.stdin.readinto, b"")

    def test_encode_and_decode_kwargs(self):
        self.assertEqual('abcde'.encode('ascii', 'replace'),
                         'abcde'.encode('ascii', errors='replace'))
        self.assertEqual('abcde'.encode('ascii', 'ignore'),
                         'abcde'.encode(encoding='ascii', errors='ignore'))
        self.assertEqual('Andr\202 x'.decode('ascii', 'ignore'),
                         'Andr\202 x'.decode('ascii', errors='ignore'))
        self.assertEqual('Andr\202 x'.decode('ascii', 'replace'),
                         'Andr\202 x'.decode(encoding='ascii', errors='replace'))

    def test_startswith_endswith_errors(self):
        with self.assertRaises(UnicodeDecodeError):
            '\xff'.startswith(u'x')
        with self.assertRaises(UnicodeDecodeError):
            '\xff'.endswith(u'x')
        for meth in ('foo'.startswith, 'foo'.endswith):
            with self.assertRaises(TypeError) as cm:
                meth(['f'])
            exc = str(cm.exception)
            self.assertIn('unicode', exc)
            self.assertIn('str', exc)
            self.assertIn('tuple', exc)

def test_main():
    test_support.run_unittest(StrTest)

if __name__ == "__main__":
    test_main()