m_socket.socket = mock.MagicMock()
    m_socket.socket.return_value = test_utils.mock_nonblocking_socket()
    m_socket.getaddrinfo._is_coroutine = False

    return m_socket


def patch_socket(f):

            

Reported by Pylint.

              
        self.assertEqual(
            (INET, STREAM, TCP, '', ('1.2.3.4', 1)),
            base_events._ipaddr_info('1.2.3.4', 1, INET, STREAM, TCP))

        self.assertEqual(
            (INET, STREAM, TCP, '', ('1.2.3.4', 1)),
            base_events._ipaddr_info(b'1.2.3.4', 1, INET, STREAM, TCP))


            

Reported by Pylint.

              
        self.assertEqual(
            (INET, STREAM, TCP, '', ('1.2.3.4', 1)),
            base_events._ipaddr_info(b'1.2.3.4', 1, INET, STREAM, TCP))

        self.assertEqual(
            (INET, STREAM, TCP, '', ('1.2.3.4', 1)),
            base_events._ipaddr_info('1.2.3.4', 1, UNSPEC, STREAM, TCP))


            

Reported by Pylint.

              
        self.assertEqual(
            (INET, STREAM, TCP, '', ('1.2.3.4', 1)),
            base_events._ipaddr_info('1.2.3.4', 1, UNSPEC, STREAM, TCP))

        self.assertEqual(
            (INET, DGRAM, UDP, '', ('1.2.3.4', 1)),
            base_events._ipaddr_info('1.2.3.4', 1, UNSPEC, DGRAM, UDP))


            

Reported by Pylint.

              
        self.assertEqual(
            (INET, DGRAM, UDP, '', ('1.2.3.4', 1)),
            base_events._ipaddr_info('1.2.3.4', 1, UNSPEC, DGRAM, UDP))

        # Socket type STREAM implies TCP protocol.
        self.assertEqual(
            (INET, STREAM, TCP, '', ('1.2.3.4', 1)),
            base_events._ipaddr_info('1.2.3.4', 1, UNSPEC, STREAM, 0))

            

Reported by Pylint.

                      # Socket type STREAM implies TCP protocol.
        self.assertEqual(
            (INET, STREAM, TCP, '', ('1.2.3.4', 1)),
            base_events._ipaddr_info('1.2.3.4', 1, UNSPEC, STREAM, 0))

        # Socket type DGRAM implies UDP protocol.
        self.assertEqual(
            (INET, DGRAM, UDP, '', ('1.2.3.4', 1)),
            base_events._ipaddr_info('1.2.3.4', 1, UNSPEC, DGRAM, 0))

            

Reported by Pylint.

                      # Socket type DGRAM implies UDP protocol.
        self.assertEqual(
            (INET, DGRAM, UDP, '', ('1.2.3.4', 1)),
            base_events._ipaddr_info('1.2.3.4', 1, UNSPEC, DGRAM, 0))

        # No socket type.
        self.assertIsNone(
            base_events._ipaddr_info('1.2.3.4', 1, UNSPEC, 0, 0))


            

Reported by Pylint.

              
        # No socket type.
        self.assertIsNone(
            base_events._ipaddr_info('1.2.3.4', 1, UNSPEC, 0, 0))

        if socket_helper.IPV6_ENABLED:
            # IPv4 address with family IPv6.
            self.assertIsNone(
                base_events._ipaddr_info('1.2.3.4', 1, INET6, STREAM, TCP))

            

Reported by Pylint.

                      if socket_helper.IPV6_ENABLED:
            # IPv4 address with family IPv6.
            self.assertIsNone(
                base_events._ipaddr_info('1.2.3.4', 1, INET6, STREAM, TCP))

            self.assertEqual(
                (INET6, STREAM, TCP, '', ('::3', 1, 0, 0)),
                base_events._ipaddr_info('::3', 1, INET6, STREAM, TCP))


            

Reported by Pylint.

              
            self.assertEqual(
                (INET6, STREAM, TCP, '', ('::3', 1, 0, 0)),
                base_events._ipaddr_info('::3', 1, INET6, STREAM, TCP))

            self.assertEqual(
                (INET6, STREAM, TCP, '', ('::3', 1, 0, 0)),
                base_events._ipaddr_info('::3', 1, UNSPEC, STREAM, TCP))


            

Reported by Pylint.

                          pass

        with self.assertRaises(TypeError):
            MissingExit()

    def test_structural_subclassing(self):
        class ManagerFromScratch:
            def __enter__(self):
                return self

            

Reported by Pylint.

                      def whee():
            yield
        ctx = whee()
        ctx.__enter__()
        # Calling __exit__ should not result in an exception
        self.assertFalse(ctx.__exit__(TypeError, TypeError("foo"), None))

    def test_contextmanager_trap_yield_after_throw(self):
        @contextmanager

            

Reported by Pylint.

                      ctx = whee()
        ctx.__enter__()
        # Calling __exit__ should not result in an exception
        self.assertFalse(ctx.__exit__(TypeError, TypeError("foo"), None))

    def test_contextmanager_trap_yield_after_throw(self):
        @contextmanager
        def whoo():
            try:

            

Reported by Pylint.

                          except:
                yield
        ctx = whoo()
        ctx.__enter__()
        self.assertRaises(
            RuntimeError, ctx.__exit__, TypeError, TypeError("foo"), None
        )

    def test_contextmanager_except(self):

            

Reported by Pylint.

                      ctx = whoo()
        ctx.__enter__()
        self.assertRaises(
            RuntimeError, ctx.__exit__, TypeError, TypeError("foo"), None
        )

    def test_contextmanager_except(self):
        state = []
        @contextmanager

            

Reported by Pylint.

                          yield

        with self.assertRaises(TypeError):
            woohoo()
        with self.assertRaises(TypeError):
            woohoo(3, 5)
        with self.assertRaises(TypeError):
            woohoo(b=3)


            

Reported by Pylint.

                          yield

        with self.assertRaises(TypeError):
            woohoo()
        with self.assertRaises(TypeError):
            woohoo(3, 5)
        with self.assertRaises(TypeError):
            woohoo(b=3)


            

Reported by Pylint.

                      with self.assertRaises(TypeError):
            woohoo()
        with self.assertRaises(TypeError):
            woohoo(3, 5)
        with self.assertRaises(TypeError):
            woohoo(b=3)

    def test_recursive(self):
        depth = 0

            

Reported by Pylint.

                      with self.assertRaises(TypeError):
            woohoo()
        with self.assertRaises(TypeError):
            woohoo(3, 5)
        with self.assertRaises(TypeError):
            woohoo(b=3)

    def test_recursive(self):
        depth = 0

            

Reported by Pylint.

                      with self.assertRaises(TypeError):
            woohoo(3, 5)
        with self.assertRaises(TypeError):
            woohoo(b=3)

    def test_recursive(self):
        depth = 0
        @contextmanager
        def woohoo():

            

Reported by Pylint.

                      dst_dir = os.path.join(tmp_dir, 'destination')
        self.addCleanup(shutil.rmtree, tmp_dir)

        os.chmod(src_dir, 0o777)
        write_file((src_dir, 'permissive.txt'), '123')
        os.chmod(os.path.join(src_dir, 'permissive.txt'), 0o777)
        write_file((src_dir, 'restrictive.txt'), '456')
        os.chmod(os.path.join(src_dir, 'restrictive.txt'), 0o600)
        restrictive_subdir = tempfile.mkdtemp(dir=src_dir)

            

Reported by Bandit.

              
        os.chmod(src_dir, 0o777)
        write_file((src_dir, 'permissive.txt'), '123')
        os.chmod(os.path.join(src_dir, 'permissive.txt'), 0o777)
        write_file((src_dir, 'restrictive.txt'), '456')
        os.chmod(os.path.join(src_dir, 'restrictive.txt'), 0o600)
        restrictive_subdir = tempfile.mkdtemp(dir=src_dir)
        self.addCleanup(os_helper.rmtree, restrictive_subdir)
        os.chmod(restrictive_subdir, 0o600)

            

Reported by Bandit.

                      Returns the path of the directory.
        """
        d = tempfile.mkdtemp(prefix=prefix, dir=os.getcwd())
        self.addCleanup(os_helper.rmtree, d)
        return d


class TestRmTree(BaseTest, unittest.TestCase):


            

Reported by Pylint.

                      os.symlink(os.path.join(src_dir, 'file.txt'),
                   src_link)
        if hasattr(os, 'lchmod'):
            os.lchmod(src_link, stat.S_IRWXU | stat.S_IRWXO)
        if hasattr(os, 'lchflags') and hasattr(stat, 'UF_NODUMP'):
            os.lchflags(src_link, stat.UF_NODUMP)
        src_stat = os.lstat(src_link)
        shutil.copytree(src_dir, dst_dir, symlinks=True)
        self.assertTrue(os.path.islink(os.path.join(dst_dir, 'sub', 'link')))

            

Reported by Pylint.

                      if hasattr(os, 'lchmod'):
            os.lchmod(src_link, stat.S_IRWXU | stat.S_IRWXO)
        if hasattr(os, 'lchflags') and hasattr(stat, 'UF_NODUMP'):
            os.lchflags(src_link, stat.UF_NODUMP)
        src_stat = os.lstat(src_link)
        shutil.copytree(src_dir, dst_dir, symlinks=True)
        self.assertTrue(os.path.islink(os.path.join(dst_dir, 'sub', 'link')))
        actual = os.readlink(os.path.join(dst_dir, 'sub', 'link'))
        # Bad practice to blindly strip the prefix as it may be required to

            

Reported by Pylint.

                      os.symlink(dst, dst_link)
        os.chmod(src, stat.S_IRWXU|stat.S_IRWXG)
        os.chmod(dst, stat.S_IRWXU)
        os.lchmod(src_link, stat.S_IRWXO|stat.S_IRWXG)
        # link to link
        os.lchmod(dst_link, stat.S_IRWXO)
        shutil.copymode(src_link, dst_link, follow_symlinks=False)
        self.assertEqual(os.lstat(src_link).st_mode,
                         os.lstat(dst_link).st_mode)

            

Reported by Pylint.

                      os.chmod(dst, stat.S_IRWXU)
        os.lchmod(src_link, stat.S_IRWXO|stat.S_IRWXG)
        # link to link
        os.lchmod(dst_link, stat.S_IRWXO)
        shutil.copymode(src_link, dst_link, follow_symlinks=False)
        self.assertEqual(os.lstat(src_link).st_mode,
                         os.lstat(dst_link).st_mode)
        self.assertNotEqual(os.stat(src).st_mode, os.stat(dst).st_mode)
        # src link - use chmod

            

Reported by Pylint.

                                       os.lstat(dst_link).st_mode)
        self.assertNotEqual(os.stat(src).st_mode, os.stat(dst).st_mode)
        # src link - use chmod
        os.lchmod(dst_link, stat.S_IRWXO)
        shutil.copymode(src_link, dst, follow_symlinks=False)
        self.assertEqual(os.stat(src).st_mode, os.stat(dst).st_mode)
        # dst link - use chmod
        os.lchmod(dst_link, stat.S_IRWXO)
        shutil.copymode(src, dst_link, follow_symlinks=False)

            

Reported by Pylint.

                      shutil.copymode(src_link, dst, follow_symlinks=False)
        self.assertEqual(os.stat(src).st_mode, os.stat(dst).st_mode)
        # dst link - use chmod
        os.lchmod(dst_link, stat.S_IRWXO)
        shutil.copymode(src, dst_link, follow_symlinks=False)
        self.assertEqual(os.stat(src).st_mode, os.stat(dst).st_mode)

    @unittest.skipIf(hasattr(os, 'lchmod'), 'requires os.lchmod to be missing')
    @os_helper.skip_unless_symlink

            

Reported by Pylint.

                      os.symlink(src, src_link)
        os.symlink(dst, dst_link)
        if hasattr(os, 'lchmod'):
            os.lchmod(src_link, stat.S_IRWXO)
        if hasattr(os, 'lchflags') and hasattr(stat, 'UF_NODUMP'):
            os.lchflags(src_link, stat.UF_NODUMP)
        src_link_stat = os.lstat(src_link)
        # follow
        if hasattr(os, 'lchmod'):

            

Reported by Pylint.

              
    def randomlist(self, n):
        """Helper function to make a list of random numbers"""
        return [self.gen.random() for i in range(n)]

    def test_autoseed(self):
        self.gen.seed()
        state1 = self.gen.getstate()
        time.sleep(0.1)

            

Reported by Pylint.

                      return [self.gen.random() for i in range(n)]

    def test_autoseed(self):
        self.gen.seed()
        state1 = self.gen.getstate()
        time.sleep(0.1)
        self.gen.seed()      # different seeds at different times
        state2 = self.gen.getstate()
        self.assertNotEqual(state1, state2)

            

Reported by Pylint.

              
    def test_autoseed(self):
        self.gen.seed()
        state1 = self.gen.getstate()
        time.sleep(0.1)
        self.gen.seed()      # different seeds at different times
        state2 = self.gen.getstate()
        self.assertNotEqual(state1, state2)


            

Reported by Pylint.

                      self.gen.seed()
        state1 = self.gen.getstate()
        time.sleep(0.1)
        self.gen.seed()      # different seeds at different times
        state2 = self.gen.getstate()
        self.assertNotEqual(state1, state2)

    def test_saverestore(self):
        N = 1000

            

Reported by Pylint.

                      state1 = self.gen.getstate()
        time.sleep(0.1)
        self.gen.seed()      # different seeds at different times
        state2 = self.gen.getstate()
        self.assertNotEqual(state1, state2)

    def test_saverestore(self):
        N = 1000
        self.gen.seed()

            

Reported by Pylint.

                      time.sleep(0.1)
        self.gen.seed()      # different seeds at different times
        state2 = self.gen.getstate()
        self.assertNotEqual(state1, state2)

    def test_saverestore(self):
        N = 1000
        self.gen.seed()
        state = self.gen.getstate()

            

Reported by Pylint.

              
    def test_saverestore(self):
        N = 1000
        self.gen.seed()
        state = self.gen.getstate()
        randseq = self.randomlist(N)
        self.gen.setstate(state)    # should regenerate the same sequence
        self.assertEqual(randseq, self.randomlist(N))


            

Reported by Pylint.

                  def test_saverestore(self):
        N = 1000
        self.gen.seed()
        state = self.gen.getstate()
        randseq = self.randomlist(N)
        self.gen.setstate(state)    # should regenerate the same sequence
        self.assertEqual(randseq, self.randomlist(N))

    def test_seedargs(self):

            

Reported by Pylint.

                      self.gen.seed()
        state = self.gen.getstate()
        randseq = self.randomlist(N)
        self.gen.setstate(state)    # should regenerate the same sequence
        self.assertEqual(randseq, self.randomlist(N))

    def test_seedargs(self):
        # Seed value with a negative hash.
        class MySeed(object):

            

Reported by Pylint.

                      state = self.gen.getstate()
        randseq = self.randomlist(N)
        self.gen.setstate(state)    # should regenerate the same sequence
        self.assertEqual(randseq, self.randomlist(N))

    def test_seedargs(self):
        # Seed value with a negative hash.
        class MySeed(object):
            def __hash__(self):

            

Reported by Pylint.

              
import os
import textwrap
import traceback
from functools import partial


test_code = namedtuple('code', ['co_filename', 'co_name'])
test_code.co_positions = lambda _: iter([(6, 6, 0, 0)])

            

Reported by Pylint.

              
    def test_caret_in_type_annotation(self):
        def f_with_type():
            def foo(a: THIS_DOES_NOT_EXIST ) -> int:
                return 0

        lineno_f = f_with_type.__code__.co_firstlineno
        expected_f = (
            'Traceback (most recent call last):\n'

            

Reported by Pylint.

                  def test_caret_for_subscript(self):
        def f_with_subscript():
            some_dict = {'x': {'y': None}}
            return some_dict['x']['y']['z']

        lineno_f = f_with_subscript.__code__.co_firstlineno
        expected_error = (
            'Traceback (most recent call last):\n'
            f'  File "{__file__}", line {self.callable_line}, in get_exception\n'

            

Reported by Pylint.

                  def check_zero_div(self, msg):
        lines = msg.splitlines()
        if has_no_debug_ranges():
            self.assertTrue(lines[-3].startswith('  File'))
            self.assertIn('1/0 # In zero_div', lines[-2])
        else:
            self.assertTrue(lines[-4].startswith('  File'))
            self.assertIn('1/0 # In zero_div', lines[-3])
        self.assertTrue(lines[-1].startswith('ZeroDivisionError'), lines[-1])

            

Reported by Pylint.

                      lines = msg.splitlines()
        if has_no_debug_ranges():
            self.assertTrue(lines[-3].startswith('  File'))
            self.assertIn('1/0 # In zero_div', lines[-2])
        else:
            self.assertTrue(lines[-4].startswith('  File'))
            self.assertIn('1/0 # In zero_div', lines[-3])
        self.assertTrue(lines[-1].startswith('ZeroDivisionError'), lines[-1])


            

Reported by Pylint.

                          self.assertTrue(lines[-3].startswith('  File'))
            self.assertIn('1/0 # In zero_div', lines[-2])
        else:
            self.assertTrue(lines[-4].startswith('  File'))
            self.assertIn('1/0 # In zero_div', lines[-3])
        self.assertTrue(lines[-1].startswith('ZeroDivisionError'), lines[-1])

    def test_simple(self):
        try:

            

Reported by Pylint.

                          self.assertIn('1/0 # In zero_div', lines[-2])
        else:
            self.assertTrue(lines[-4].startswith('  File'))
            self.assertIn('1/0 # In zero_div', lines[-3])
        self.assertTrue(lines[-1].startswith('ZeroDivisionError'), lines[-1])

    def test_simple(self):
        try:
            1/0 # Marker

            

Reported by Pylint.

                      else:
            self.assertTrue(lines[-4].startswith('  File'))
            self.assertIn('1/0 # In zero_div', lines[-3])
        self.assertTrue(lines[-1].startswith('ZeroDivisionError'), lines[-1])

    def test_simple(self):
        try:
            1/0 # Marker
        except ZeroDivisionError as _:

            

Reported by Pylint.

                          1/0 # Marker
        except ZeroDivisionError as _:
            e = _
        lines = self.get_report(e).splitlines()
        if has_no_debug_ranges():
            self.assertEqual(len(lines), 4)
            self.assertTrue(lines[3].startswith('ZeroDivisionError'))
        else:
            self.assertEqual(len(lines), 5)

            

Reported by Pylint.

                          e = _
        lines = self.get_report(e).splitlines()
        if has_no_debug_ranges():
            self.assertEqual(len(lines), 4)
            self.assertTrue(lines[3].startswith('ZeroDivisionError'))
        else:
            self.assertEqual(len(lines), 5)
            self.assertTrue(lines[4].startswith('ZeroDivisionError'))
        self.assertTrue(lines[0].startswith('Traceback'))

            

Reported by Pylint.

                  # these arguments to the appropriate type
    def fixtype(self, obj):
        if isinstance(obj, str):
            return self.__class__.type2test(obj)
        elif isinstance(obj, list):
            return [self.fixtype(x) for x in obj]
        elif isinstance(obj, tuple):
            return tuple([self.fixtype(x) for x in obj])
        elif isinstance(obj, dict):

            

Reported by Pylint.

                          return obj

    def test_fixtype(self):
        self.assertIs(type(self.fixtype("123")), self.type2test)

    # check that obj.method(*args) returns result
    def checkequal(self, result, obj, methodname, *args, **kwargs):
        result = self.fixtype(result)
        obj = self.fixtype(obj)

            

Reported by Pylint.

                      args = self.fixtype(args)
        kwargs = {k: self.fixtype(v) for k,v in kwargs.items()}
        realresult = getattr(obj, methodname)(*args, **kwargs)
        self.assertEqual(
            result,
            realresult
        )
        # if the original is returned make sure that
        # this doesn't happen with subclasses

            

Reported by Pylint.

                      # this doesn't happen with subclasses
        if obj is realresult:
            try:
                class subtype(self.__class__.type2test):
                    pass
            except TypeError:
                pass  # Skip this if we can't subclass
            else:
                obj = subtype(obj)

            

Reported by Pylint.

                          else:
                obj = subtype(obj)
                realresult = getattr(obj, methodname)(*args)
                self.assertIsNot(obj, realresult)

    # check that obj.method(*args) raises exc
    def checkraises(self, exc, obj, methodname, *args, expected_msg=None):
        obj = self.fixtype(obj)
        args = self.fixtype(args)

            

Reported by Pylint.

                  def checkraises(self, exc, obj, methodname, *args, expected_msg=None):
        obj = self.fixtype(obj)
        args = self.fixtype(args)
        with self.assertRaises(exc) as cm:
            getattr(obj, methodname)(*args)
        self.assertNotEqual(str(cm.exception), '')
        if expected_msg is not None:
            self.assertEqual(str(cm.exception), expected_msg)


            

Reported by Pylint.

                      args = self.fixtype(args)
        with self.assertRaises(exc) as cm:
            getattr(obj, methodname)(*args)
        self.assertNotEqual(str(cm.exception), '')
        if expected_msg is not None:
            self.assertEqual(str(cm.exception), expected_msg)

    # call obj.method(*args) without any checks
    def checkcall(self, obj, methodname, *args):

            

Reported by Pylint.

                          getattr(obj, methodname)(*args)
        self.assertNotEqual(str(cm.exception), '')
        if expected_msg is not None:
            self.assertEqual(str(cm.exception), expected_msg)

    # call obj.method(*args) without any checks
    def checkcall(self, obj, methodname, *args):
        obj = self.fixtype(obj)
        args = self.fixtype(args)

            

Reported by Pylint.

                              else:
                    r2, rem = len(i)+1, 0
                if rem or r1 != r2:
                    self.assertEqual(rem, 0, '%s != 0 for %s' % (rem, i))
                    self.assertEqual(r1, r2, '%s != %s for %s' % (r1, r2, i))

    def test_find(self):
        self.checkequal(0, 'abcdefghiabc', 'find', 'abc')
        self.checkequal(9, 'abcdefghiabc', 'find', 'abc', 1)

            

Reported by Pylint.

                                  r2, rem = len(i)+1, 0
                if rem or r1 != r2:
                    self.assertEqual(rem, 0, '%s != 0 for %s' % (rem, i))
                    self.assertEqual(r1, r2, '%s != %s for %s' % (r1, r2, i))

    def test_find(self):
        self.checkequal(0, 'abcdefghiabc', 'find', 'abc')
        self.checkequal(9, 'abcdefghiabc', 'find', 'abc', 1)
        self.checkequal(-1, 'abcdefghiabc', 'find', 'def', 4)

            

Reported by Pylint.

                      self.assertEqual(x, ' \t')
        self.assertEqual(str(x), '')
        self.assertEqual(x.value, '')
        self.assertEqual(x.token_type, 'fws')


class TestParserMixin:

    def _assert_results(self, tl, rest, string, value, defects, remainder,

            

Reported by Pylint.

              
    def test_get_fws_only(self):
        fws = self._test_get_x(parser.get_fws, ' \t  ', ' \t  ', ' ', [], '')
        self.assertEqual(fws.token_type, 'fws')

    def test_get_fws_space(self):
        self._test_get_x(parser.get_fws, ' foo', ' ', ' ', [], 'foo')

    def test_get_fws_ws_run(self):

            

Reported by Pylint.

                          [errors.InvalidHeaderDefect],
            '')

    def test_get_unstructured_invalid_ew(self):
        self._test_get_x(self._get_unst,
            '=?utf-8?q?=somevalue?=',
            '=?utf-8?q?=somevalue?=',
            '=?utf-8?q?=somevalue?=',
            [],

            

Reported by Pylint.

                  def test_get_qp_ctext_only(self):
        ptext = self._test_get_x(parser.get_qp_ctext,
                                'foobar', 'foobar', ' ', [], '')
        self.assertEqual(ptext.token_type, 'ptext')

    def test_get_qp_ctext_all_printables(self):
        with_qp = self.rfc_printable_ascii.replace('\\', '\\\\')
        with_qp = with_qp.  replace('(', r'\(')
        with_qp = with_qp.replace(')', r'\)')

            

Reported by Pylint.

                      ptext = self._test_get_x(parser.get_qp_ctext,
                                'foo\x00bar)', 'foo\x00bar', ' ',
                                [errors.NonPrintableDefect], ')')
        self.assertEqual(ptext.defects[0].non_printables[0], '\x00')

    # get_qcontent

    def test_get_qcontent_only(self):
        ptext = self._test_get_x(parser.get_qcontent,

            

Reported by Pylint.

                  def test_get_qcontent_only(self):
        ptext = self._test_get_x(parser.get_qcontent,
                                'foobar', 'foobar', 'foobar', [], '')
        self.assertEqual(ptext.token_type, 'ptext')

    def test_get_qcontent_all_printables(self):
        with_qp = self.rfc_printable_ascii.replace('\\', '\\\\')
        with_qp = with_qp.  replace('"', r'\"')
        ptext = self._test_get_x(parser.get_qcontent, with_qp,

            

Reported by Pylint.

                      ptext = self._test_get_x(parser.get_qcontent,
                                'foo\x00fg"', 'foo\x00fg', 'foo\x00fg',
                                [errors.NonPrintableDefect], '"')
        self.assertEqual(ptext.defects[0].non_printables[0], '\x00')

    # get_atext

    def test_get_atext_only(self):
        atext = self._test_get_x(parser.get_atext,

            

Reported by Pylint.

                  def test_get_atext_only(self):
        atext = self._test_get_x(parser.get_atext,
                                'foobar', 'foobar', 'foobar', [], '')
        self.assertEqual(atext.token_type, 'atext')

    def test_get_atext_all_atext(self):
        atext = self._test_get_x(parser.get_atext, self.rfc_atext_chars,
                                 self.rfc_atext_chars,
                                 self.rfc_atext_chars, [], '')

            

Reported by Pylint.

                      atext = self._test_get_x(parser.get_atext,
                                'foo\x00bar(', 'foo\x00bar', 'foo\x00bar',
                                [errors.NonPrintableDefect], '(')
        self.assertEqual(atext.defects[0].non_printables[0], '\x00')

    # get_bare_quoted_string

    def test_get_bare_quoted_string_only(self):
        bqs = self._test_get_x(parser.get_bare_quoted_string,

            

Reported by Pylint.

                  def test_get_dtext_only(self):
        dtext = self._test_get_x(parser.get_dtext,
                                'foobar', 'foobar', 'foobar', [], '')
        self.assertEqual(dtext.token_type, 'ptext')

    def test_get_dtext_all_dtext(self):
        dtext = self._test_get_x(parser.get_dtext, self.rfc_dtext_chars,
                                 self.rfc_dtext_chars,
                                 self.rfc_dtext_chars, [], '')

            

Reported by Pylint.

                  (fd, filename) = tempfile.mkstemp()
    os.close(fd)
    try:
        if hasattr(os, 'system') and os.system('more "%s"' % filename) == 0:
            return lambda text: pipepager(text, 'more')
        else:
            return ttypager
    finally:
        os.unlink(filename)

            

Reported by Bandit.

              def pipepager(text, cmd):
    """Page through text by feeding it to another program."""
    import subprocess
    proc = subprocess.Popen(cmd, shell=True, stdin=subprocess.PIPE,
                            errors='backslashreplace')
    try:
        with proc.stdin as pipe:
            try:
                pipe.write(text)

            

Reported by Bandit.

                  with open(filename, 'w', errors='backslashreplace') as file:
        file.write(text)
    try:
        os.system(cmd + ' "' + filename + '"')
    finally:
        os.unlink(filename)

def _escape_stdout(text):
    # Escape non-encodable characters to avoid encoding errors later

            

Reported by Bandit.

              import warnings
from collections import deque
from reprlib import Repr
from traceback import format_exception_only


# --------------------------------------------------------- common routines

def pathdirs():

            

Reported by Pylint.

                  """Convert sys.path into a list of absolute, existing, unique paths."""
    dirs = []
    normdirs = []
    for dir in sys.path:
        dir = os.path.abspath(dir or '.')
        normdir = os.path.normcase(dir)
        if normdir not in normdirs and os.path.isdir(dir):
            dirs.append(dir)
            normdirs.append(normdir)

            

Reported by Pylint.

                      return None
    for base in cls.__mro__:
        try:
            doc = _getowndoc(getattr(base, name))
        except AttributeError:
            continue
        if doc is not None:
            return doc
    return None

            

Reported by Pylint.

                  """Get the documentation string for an object if it is not
    inherited from its class."""
    try:
        doc = object.__getattribute__(obj, '__doc__')
        if doc is None:
            return None
        if obj is not type:
            typedoc = type(obj).__doc__
            if isinstance(typedoc, str) and typedoc == doc:

            

Reported by Pylint.

                  except AttributeError:
        return None

def _getdoc(object):
    """Get the documentation string for an object.

    All tabs are expanded to spaces.  To clean up docstrings that are
    indented to line up with blocks of code, any whitespace than can be
    uniformly removed from the second line onwards is removed."""

            

Reported by Pylint.

                  All tabs are expanded to spaces.  To clean up docstrings that are
    indented to line up with blocks of code, any whitespace than can be
    uniformly removed from the second line onwards is removed."""
    doc = _getowndoc(object)
    if doc is None:
        try:
            doc = _finddoc(object)
        except (AttributeError, TypeError):
            return None

            

Reported by Pylint.

                      return None
    return inspect.cleandoc(doc)

def getdoc(object):
    """Get the doc string or comments for an object."""
    result = _getdoc(object) or inspect.getcomments(object)
    return result and re.sub('^ *\n', '', result.rstrip()) or ''

def splitdoc(doc):

            

Reported by Pylint.

                          pass
        self.teardown_files = [ os_helper.TESTFN ]
        self._warnings_manager = warnings_helper.check_warnings()
        self._warnings_manager.__enter__()
        warnings.filterwarnings('ignore', '.* potential security risk .*',
                                RuntimeWarning)

    def tearDown(self):
        for teardown_file in self.teardown_files:

            

Reported by Pylint.

                  def tearDown(self):
        for teardown_file in self.teardown_files:
            os_helper.unlink(teardown_file)
        self._warnings_manager.__exit__(None, None, None)

    def testNoArgFunctions(self):
        # test posix functions which take no arguments and have
        # no side-effects which we need to cleanup (e.g., fork, wait, abort)
        NO_ARG_FUNCTIONS = [ "ctermid", "getcwd", "getcwdb", "uname",

            

Reported by Pylint.

                                       'test needs posix.O_EXLOCK')
    def test_osexlock(self):
        fd = os.open(os_helper.TESTFN,
                     os.O_WRONLY|os.O_EXLOCK|os.O_CREAT)
        self.assertRaises(OSError, os.open, os_helper.TESTFN,
                          os.O_WRONLY|os.O_EXLOCK|os.O_NONBLOCK)
        os.close(fd)

        if hasattr(posix, "O_SHLOCK"):

            

Reported by Pylint.

                      fd = os.open(os_helper.TESTFN,
                     os.O_WRONLY|os.O_EXLOCK|os.O_CREAT)
        self.assertRaises(OSError, os.open, os_helper.TESTFN,
                          os.O_WRONLY|os.O_EXLOCK|os.O_NONBLOCK)
        os.close(fd)

        if hasattr(posix, "O_SHLOCK"):
            fd = os.open(os_helper.TESTFN,
                         os.O_WRONLY|os.O_SHLOCK|os.O_CREAT)

            

Reported by Pylint.

              
        if hasattr(posix, "O_SHLOCK"):
            fd = os.open(os_helper.TESTFN,
                         os.O_WRONLY|os.O_SHLOCK|os.O_CREAT)
            self.assertRaises(OSError, os.open, os_helper.TESTFN,
                              os.O_WRONLY|os.O_EXLOCK|os.O_NONBLOCK)
            os.close(fd)

    @unittest.skipUnless(hasattr(posix, 'O_SHLOCK'),

            

Reported by Pylint.

                          fd = os.open(os_helper.TESTFN,
                         os.O_WRONLY|os.O_SHLOCK|os.O_CREAT)
            self.assertRaises(OSError, os.open, os_helper.TESTFN,
                              os.O_WRONLY|os.O_EXLOCK|os.O_NONBLOCK)
            os.close(fd)

    @unittest.skipUnless(hasattr(posix, 'O_SHLOCK'),
                         'test needs posix.O_SHLOCK')
    def test_osshlock(self):

            

Reported by Pylint.

                                       'test needs posix.O_SHLOCK')
    def test_osshlock(self):
        fd1 = os.open(os_helper.TESTFN,
                     os.O_WRONLY|os.O_SHLOCK|os.O_CREAT)
        fd2 = os.open(os_helper.TESTFN,
                      os.O_WRONLY|os.O_SHLOCK|os.O_CREAT)
        os.close(fd2)
        os.close(fd1)


            

Reported by Pylint.

                      fd1 = os.open(os_helper.TESTFN,
                     os.O_WRONLY|os.O_SHLOCK|os.O_CREAT)
        fd2 = os.open(os_helper.TESTFN,
                      os.O_WRONLY|os.O_SHLOCK|os.O_CREAT)
        os.close(fd2)
        os.close(fd1)

        if hasattr(posix, "O_EXLOCK"):
            fd = os.open(os_helper.TESTFN,

            

Reported by Pylint.

              
        if hasattr(posix, "O_EXLOCK"):
            fd = os.open(os_helper.TESTFN,
                         os.O_WRONLY|os.O_SHLOCK|os.O_CREAT)
            self.assertRaises(OSError, os.open, os_helper.TESTFN,
                              os.O_RDONLY|os.O_EXLOCK|os.O_NONBLOCK)
            os.close(fd)

    @unittest.skipUnless(hasattr(posix, 'fstat'),

            

Reported by Pylint.

                          fd = os.open(os_helper.TESTFN,
                         os.O_WRONLY|os.O_SHLOCK|os.O_CREAT)
            self.assertRaises(OSError, os.open, os_helper.TESTFN,
                              os.O_RDONLY|os.O_EXLOCK|os.O_NONBLOCK)
            os.close(fd)

    @unittest.skipUnless(hasattr(posix, 'fstat'),
                         'test needs posix.fstat()')
    def test_fstat(self):

            

Reported by Pylint.

                      self.assertTrue(math.isnan(math.atan2(NAN, NAN)))

    def testCbrt(self):
        self.assertRaises(TypeError, math.cbrt)
        self.ftest('cbrt(0)', math.cbrt(0), 0)
        self.ftest('cbrt(1)', math.cbrt(1), 1)
        self.ftest('cbrt(8)', math.cbrt(8), 2)
        self.ftest('cbrt(0.0)', math.cbrt(0.0), 0.0)
        self.ftest('cbrt(-0.0)', math.cbrt(-0.0), -0.0)

            

Reported by Pylint.

              
    def testCbrt(self):
        self.assertRaises(TypeError, math.cbrt)
        self.ftest('cbrt(0)', math.cbrt(0), 0)
        self.ftest('cbrt(1)', math.cbrt(1), 1)
        self.ftest('cbrt(8)', math.cbrt(8), 2)
        self.ftest('cbrt(0.0)', math.cbrt(0.0), 0.0)
        self.ftest('cbrt(-0.0)', math.cbrt(-0.0), -0.0)
        self.ftest('cbrt(1.2)', math.cbrt(1.2), 1.062658569182611)

            

Reported by Pylint.

                  def testCbrt(self):
        self.assertRaises(TypeError, math.cbrt)
        self.ftest('cbrt(0)', math.cbrt(0), 0)
        self.ftest('cbrt(1)', math.cbrt(1), 1)
        self.ftest('cbrt(8)', math.cbrt(8), 2)
        self.ftest('cbrt(0.0)', math.cbrt(0.0), 0.0)
        self.ftest('cbrt(-0.0)', math.cbrt(-0.0), -0.0)
        self.ftest('cbrt(1.2)', math.cbrt(1.2), 1.062658569182611)
        self.ftest('cbrt(-2.6)', math.cbrt(-2.6), -1.375068867074141)

            

Reported by Pylint.

                      self.assertRaises(TypeError, math.cbrt)
        self.ftest('cbrt(0)', math.cbrt(0), 0)
        self.ftest('cbrt(1)', math.cbrt(1), 1)
        self.ftest('cbrt(8)', math.cbrt(8), 2)
        self.ftest('cbrt(0.0)', math.cbrt(0.0), 0.0)
        self.ftest('cbrt(-0.0)', math.cbrt(-0.0), -0.0)
        self.ftest('cbrt(1.2)', math.cbrt(1.2), 1.062658569182611)
        self.ftest('cbrt(-2.6)', math.cbrt(-2.6), -1.375068867074141)
        self.ftest('cbrt(27)', math.cbrt(27), 3)

            

Reported by Pylint.

                      self.ftest('cbrt(0)', math.cbrt(0), 0)
        self.ftest('cbrt(1)', math.cbrt(1), 1)
        self.ftest('cbrt(8)', math.cbrt(8), 2)
        self.ftest('cbrt(0.0)', math.cbrt(0.0), 0.0)
        self.ftest('cbrt(-0.0)', math.cbrt(-0.0), -0.0)
        self.ftest('cbrt(1.2)', math.cbrt(1.2), 1.062658569182611)
        self.ftest('cbrt(-2.6)', math.cbrt(-2.6), -1.375068867074141)
        self.ftest('cbrt(27)', math.cbrt(27), 3)
        self.ftest('cbrt(-1)', math.cbrt(-1), -1)

            

Reported by Pylint.

                      self.ftest('cbrt(1)', math.cbrt(1), 1)
        self.ftest('cbrt(8)', math.cbrt(8), 2)
        self.ftest('cbrt(0.0)', math.cbrt(0.0), 0.0)
        self.ftest('cbrt(-0.0)', math.cbrt(-0.0), -0.0)
        self.ftest('cbrt(1.2)', math.cbrt(1.2), 1.062658569182611)
        self.ftest('cbrt(-2.6)', math.cbrt(-2.6), -1.375068867074141)
        self.ftest('cbrt(27)', math.cbrt(27), 3)
        self.ftest('cbrt(-1)', math.cbrt(-1), -1)
        self.ftest('cbrt(-27)', math.cbrt(-27), -3)

            

Reported by Pylint.

                      self.ftest('cbrt(8)', math.cbrt(8), 2)
        self.ftest('cbrt(0.0)', math.cbrt(0.0), 0.0)
        self.ftest('cbrt(-0.0)', math.cbrt(-0.0), -0.0)
        self.ftest('cbrt(1.2)', math.cbrt(1.2), 1.062658569182611)
        self.ftest('cbrt(-2.6)', math.cbrt(-2.6), -1.375068867074141)
        self.ftest('cbrt(27)', math.cbrt(27), 3)
        self.ftest('cbrt(-1)', math.cbrt(-1), -1)
        self.ftest('cbrt(-27)', math.cbrt(-27), -3)
        self.assertEqual(math.cbrt(INF), INF)

            

Reported by Pylint.

                      self.ftest('cbrt(0.0)', math.cbrt(0.0), 0.0)
        self.ftest('cbrt(-0.0)', math.cbrt(-0.0), -0.0)
        self.ftest('cbrt(1.2)', math.cbrt(1.2), 1.062658569182611)
        self.ftest('cbrt(-2.6)', math.cbrt(-2.6), -1.375068867074141)
        self.ftest('cbrt(27)', math.cbrt(27), 3)
        self.ftest('cbrt(-1)', math.cbrt(-1), -1)
        self.ftest('cbrt(-27)', math.cbrt(-27), -3)
        self.assertEqual(math.cbrt(INF), INF)
        self.assertEqual(math.cbrt(NINF), NINF)

            

Reported by Pylint.

                      self.ftest('cbrt(-0.0)', math.cbrt(-0.0), -0.0)
        self.ftest('cbrt(1.2)', math.cbrt(1.2), 1.062658569182611)
        self.ftest('cbrt(-2.6)', math.cbrt(-2.6), -1.375068867074141)
        self.ftest('cbrt(27)', math.cbrt(27), 3)
        self.ftest('cbrt(-1)', math.cbrt(-1), -1)
        self.ftest('cbrt(-27)', math.cbrt(-27), -3)
        self.assertEqual(math.cbrt(INF), INF)
        self.assertEqual(math.cbrt(NINF), NINF)
        self.assertTrue(math.isnan(math.cbrt(NAN)))

            

Reported by Pylint.

                      self.ftest('cbrt(1.2)', math.cbrt(1.2), 1.062658569182611)
        self.ftest('cbrt(-2.6)', math.cbrt(-2.6), -1.375068867074141)
        self.ftest('cbrt(27)', math.cbrt(27), 3)
        self.ftest('cbrt(-1)', math.cbrt(-1), -1)
        self.ftest('cbrt(-27)', math.cbrt(-27), -3)
        self.assertEqual(math.cbrt(INF), INF)
        self.assertEqual(math.cbrt(NINF), NINF)
        self.assertTrue(math.isnan(math.cbrt(NAN)))


            

Reported by Pylint.