def test_init(self):
        # Iterable arg is optional
        self.assertEqual(self.type2test([]), self.type2test())

        # Init clears previous values
        a = self.type2test([1, 2, 3])
        a.__init__()
        self.assertEqual(a, self.type2test([]))

            

Reported by Pylint.

              
    def test_init(self):
        # Iterable arg is optional
        self.assertEqual(self.type2test([]), self.type2test())

        # Init clears previous values
        a = self.type2test([1, 2, 3])
        a.__init__()
        self.assertEqual(a, self.type2test([]))

            

Reported by Pylint.

                      self.assertEqual(self.type2test([]), self.type2test())

        # Init clears previous values
        a = self.type2test([1, 2, 3])
        a.__init__()
        self.assertEqual(a, self.type2test([]))

        # Init overwrites previous values
        a = self.type2test([1, 2, 3])

            

Reported by Pylint.

                      # Init clears previous values
        a = self.type2test([1, 2, 3])
        a.__init__()
        self.assertEqual(a, self.type2test([]))

        # Init overwrites previous values
        a = self.type2test([1, 2, 3])
        a.__init__([4, 5, 6])
        self.assertEqual(a, self.type2test([4, 5, 6]))

            

Reported by Pylint.

                      self.assertEqual(a, self.type2test([]))

        # Init overwrites previous values
        a = self.type2test([1, 2, 3])
        a.__init__([4, 5, 6])
        self.assertEqual(a, self.type2test([4, 5, 6]))

        # Mutables always return a new object
        b = self.type2test(a)

            

Reported by Pylint.

                      # Init overwrites previous values
        a = self.type2test([1, 2, 3])
        a.__init__([4, 5, 6])
        self.assertEqual(a, self.type2test([4, 5, 6]))

        # Mutables always return a new object
        b = self.type2test(a)
        self.assertNotEqual(id(a), id(b))
        self.assertEqual(a, b)

            

Reported by Pylint.

                      self.assertEqual(a, self.type2test([4, 5, 6]))

        # Mutables always return a new object
        b = self.type2test(a)
        self.assertNotEqual(id(a), id(b))
        self.assertEqual(a, b)

    def test_getitem_error(self):
        a = []

            

Reported by Pylint.

                      a = []
        msg = "list indices must be integers or slices"
        with self.assertRaisesRegex(TypeError, msg):
            a['a']

    def test_setitem_error(self):
        a = []
        msg = "list indices must be integers or slices"
        with self.assertRaisesRegex(TypeError, msg):

            

Reported by Pylint.

                      a = []
        msg = "list indices must be integers or slices"
        with self.assertRaisesRegex(TypeError, msg):
            a['a'] = "python"

    def test_repr(self):
        l0 = []
        l2 = [0, 1, 2]
        a0 = self.type2test(l0)

            

Reported by Pylint.

                  def test_repr(self):
        l0 = []
        l2 = [0, 1, 2]
        a0 = self.type2test(l0)
        a2 = self.type2test(l2)

        self.assertEqual(str(a0), str(l0))
        self.assertEqual(repr(a0), repr(l0))
        self.assertEqual(repr(a2), repr(l2))

            

Reported by Pylint.

                  lambda name: name.startswith('CERT_'),
    source=_ssl)

PROTOCOL_SSLv23 = _SSLMethod.PROTOCOL_SSLv23 = _SSLMethod.PROTOCOL_TLS
_PROTOCOL_NAMES = {value: name for name, value in _SSLMethod.__members__.items()}

_SSLv2_IF_EXISTS = getattr(_SSLMethod, 'PROTOCOL_SSLv2', None)



            

Reported by Pylint.

                  lambda name: name.startswith('CERT_'),
    source=_ssl)

PROTOCOL_SSLv23 = _SSLMethod.PROTOCOL_SSLv23 = _SSLMethod.PROTOCOL_TLS
_PROTOCOL_NAMES = {value: name for name, value in _SSLMethod.__members__.items()}

_SSLv2_IF_EXISTS = getattr(_SSLMethod, 'PROTOCOL_SSLv2', None)



            

Reported by Pylint.

                  source=_ssl)

PROTOCOL_SSLv23 = _SSLMethod.PROTOCOL_SSLv23 = _SSLMethod.PROTOCOL_TLS
_PROTOCOL_NAMES = {value: name for name, value in _SSLMethod.__members__.items()}

_SSLv2_IF_EXISTS = getattr(_SSLMethod, 'PROTOCOL_SSLv2', None)


@_simple_enum(_IntEnum)

            

Reported by Pylint.

              PROTOCOL_SSLv23 = _SSLMethod.PROTOCOL_SSLv23 = _SSLMethod.PROTOCOL_TLS
_PROTOCOL_NAMES = {value: name for name, value in _SSLMethod.__members__.items()}

_SSLv2_IF_EXISTS = getattr(_SSLMethod, 'PROTOCOL_SSLv2', None)


@_simple_enum(_IntEnum)
class TLSVersion:
    MINIMUM_SUPPORTED = _ssl.PROTO_MINIMUM_SUPPORTED

            

Reported by Pylint.

              

if sys.platform == "win32":
    from _ssl import enum_certificates, enum_crls

from socket import socket, SOCK_STREAM, create_connection
from socket import SOL_SOCKET, SO_TYPE, _GLOBAL_DEFAULT_TIMEOUT
import socket as _socket
import base64        # for DER-to-PEM translation

            

Reported by Pylint.

              

if sys.platform == "win32":
    from _ssl import enum_certificates, enum_crls

from socket import socket, SOCK_STREAM, create_connection
from socket import SOL_SOCKET, SO_TYPE, _GLOBAL_DEFAULT_TIMEOUT
import socket as _socket
import base64        # for DER-to-PEM translation

            

Reported by Pylint.

                      @minimum_version.setter
        def minimum_version(self, value):
            if value == TLSVersion.SSLv3:
                self.options &= ~Options.OP_NO_SSLv3
            super(SSLContext, SSLContext).minimum_version.__set__(self, value)

        @property
        def maximum_version(self):
            return TLSVersion(super().maximum_version)

            

Reported by Pylint.

                      def minimum_version(self, value):
            if value == TLSVersion.SSLv3:
                self.options &= ~Options.OP_NO_SSLv3
            super(SSLContext, SSLContext).minimum_version.__set__(self, value)

        @property
        def maximum_version(self):
            return TLSVersion(super().maximum_version)


            

Reported by Pylint.

              
        @maximum_version.setter
        def maximum_version(self, value):
            super(SSLContext, SSLContext).maximum_version.__set__(self, value)

    @property
    def options(self):
        return Options(super().options)


            

Reported by Pylint.

              
    @property
    def options(self):
        return Options(super().options)

    @options.setter
    def options(self, value):
        super(SSLContext, SSLContext).options.__set__(self, value)


            

Reported by Pylint.

                  _conv_pad_pixels = noconv

    def test_configure_class(self):
        widget = self.create()
        self.assertEqual(widget['class'],
                         widget.__class__.__name__.title())
        self.checkInvalidParam(widget, 'class', 'Foo',
                errmsg="can't modify -class option after widget is created")
        widget2 = self.create(class_='Foo')

            

Reported by Pylint.

              
    def test_configure_class(self):
        widget = self.create()
        self.assertEqual(widget['class'],
                         widget.__class__.__name__.title())
        self.checkInvalidParam(widget, 'class', 'Foo',
                errmsg="can't modify -class option after widget is created")
        widget2 = self.create(class_='Foo')
        self.assertEqual(widget2['class'], 'Foo')

            

Reported by Pylint.

                                       widget.__class__.__name__.title())
        self.checkInvalidParam(widget, 'class', 'Foo',
                errmsg="can't modify -class option after widget is created")
        widget2 = self.create(class_='Foo')
        self.assertEqual(widget2['class'], 'Foo')

    def test_configure_colormap(self):
        widget = self.create()
        self.assertEqual(widget['colormap'], '')

            

Reported by Pylint.

                      self.checkInvalidParam(widget, 'class', 'Foo',
                errmsg="can't modify -class option after widget is created")
        widget2 = self.create(class_='Foo')
        self.assertEqual(widget2['class'], 'Foo')

    def test_configure_colormap(self):
        widget = self.create()
        self.assertEqual(widget['colormap'], '')
        self.checkInvalidParam(widget, 'colormap', 'new',

            

Reported by Pylint.

                      self.assertEqual(widget2['class'], 'Foo')

    def test_configure_colormap(self):
        widget = self.create()
        self.assertEqual(widget['colormap'], '')
        self.checkInvalidParam(widget, 'colormap', 'new',
                errmsg="can't modify -colormap option after widget is created")
        widget2 = self.create(colormap='new')
        self.assertEqual(widget2['colormap'], 'new')

            

Reported by Pylint.

              
    def test_configure_colormap(self):
        widget = self.create()
        self.assertEqual(widget['colormap'], '')
        self.checkInvalidParam(widget, 'colormap', 'new',
                errmsg="can't modify -colormap option after widget is created")
        widget2 = self.create(colormap='new')
        self.assertEqual(widget2['colormap'], 'new')


            

Reported by Pylint.

                      self.assertEqual(widget['colormap'], '')
        self.checkInvalidParam(widget, 'colormap', 'new',
                errmsg="can't modify -colormap option after widget is created")
        widget2 = self.create(colormap='new')
        self.assertEqual(widget2['colormap'], 'new')

    def test_configure_container(self):
        widget = self.create()
        self.assertEqual(widget['container'], 0 if self.wantobjects else '0')

            

Reported by Pylint.

                      self.checkInvalidParam(widget, 'colormap', 'new',
                errmsg="can't modify -colormap option after widget is created")
        widget2 = self.create(colormap='new')
        self.assertEqual(widget2['colormap'], 'new')

    def test_configure_container(self):
        widget = self.create()
        self.assertEqual(widget['container'], 0 if self.wantobjects else '0')
        self.checkInvalidParam(widget, 'container', 1,

            

Reported by Pylint.

                      self.assertEqual(widget2['colormap'], 'new')

    def test_configure_container(self):
        widget = self.create()
        self.assertEqual(widget['container'], 0 if self.wantobjects else '0')
        self.checkInvalidParam(widget, 'container', 1,
                errmsg="can't modify -container option after widget is created")
        widget2 = self.create(container=True)
        self.assertEqual(widget2['container'], 1 if self.wantobjects else '1')

            

Reported by Pylint.

              
    def test_configure_container(self):
        widget = self.create()
        self.assertEqual(widget['container'], 0 if self.wantobjects else '0')
        self.checkInvalidParam(widget, 'container', 1,
                errmsg="can't modify -container option after widget is created")
        widget2 = self.create(container=True)
        self.assertEqual(widget2['container'], 1 if self.wantobjects else '1')


            

Reported by Pylint.

                          f(1, b=2)
        self.assertEqual(f(1, c=2), 13)

        def f(a=1, b=10, /, c=100):
            return a + b + c

        self.assertEqual(f(1, 2, 3), 6)
        self.assertEqual(f(1, 2, c=3), 6)
        with self.assertRaisesRegex(TypeError, r"f\(\) got some positional-only arguments passed as keyword arguments: 'b'"):

            

Reported by Pylint.

                      self.assertEqual(3, f.__code__.co_posonlyargcount)
        self.assertEqual((1,), f.__defaults__)

        def f(a, b, c=1, /, d=2, e=3, *, f, g=4):
            pass

        self.assertEqual(5, f.__code__.co_argcount)  # 3 posonly + 2 "standard args"
        self.assertEqual(3, f.__code__.co_posonlyargcount)
        self.assertEqual((1, 2, 3), f.__defaults__)

            

Reported by Pylint.

                      with self.assertRaisesRegex(TypeError, expected):
            f(a=1)

        def f(a, /, b):
            pass
        expected = r"f\(\) got some positional-only arguments passed as keyword arguments: 'a'"
        with self.assertRaisesRegex(TypeError, expected):
            f(a=1, b=2)


            

Reported by Pylint.

                      with self.assertRaisesRegex(TypeError, expected):
            f(a=1, b=2)

        def f(a, b, /):
            pass
        expected = r"f\(\) got some positional-only arguments passed as keyword arguments: 'a, b'"
        with self.assertRaisesRegex(TypeError, expected):
            f(a=1, b=2)


            

Reported by Pylint.

                      def f(a, b, /, c):
            pass
        with self.assertRaisesRegex(TypeError, r"f\(\) missing 1 required positional argument: 'c'"):
            f(1, 2)
        with self.assertRaisesRegex(TypeError, r"f\(\) missing 2 required positional arguments: 'b' and 'c'"):
            f(1)
        with self.assertRaisesRegex(TypeError, r"f\(\) missing 3 required positional arguments: 'a', 'b', and 'c'"):
            f()
        with self.assertRaisesRegex(TypeError, r"f\(\) takes 3 positional arguments but 4 were given"):

            

Reported by Pylint.

                      with self.assertRaisesRegex(TypeError, r"f\(\) missing 1 required positional argument: 'c'"):
            f(1, 2)
        with self.assertRaisesRegex(TypeError, r"f\(\) missing 2 required positional arguments: 'b' and 'c'"):
            f(1)
        with self.assertRaisesRegex(TypeError, r"f\(\) missing 3 required positional arguments: 'a', 'b', and 'c'"):
            f()
        with self.assertRaisesRegex(TypeError, r"f\(\) takes 3 positional arguments but 4 were given"):
            f(1, 2, 3, 4)


            

Reported by Pylint.

                      with self.assertRaisesRegex(TypeError, r"f\(\) missing 1 required positional argument: 'c'"):
            f(1, 2)
        with self.assertRaisesRegex(TypeError, r"f\(\) missing 2 required positional arguments: 'b' and 'c'"):
            f(1)
        with self.assertRaisesRegex(TypeError, r"f\(\) missing 3 required positional arguments: 'a', 'b', and 'c'"):
            f()
        with self.assertRaisesRegex(TypeError, r"f\(\) takes 3 positional arguments but 4 were given"):
            f(1, 2, 3, 4)


            

Reported by Pylint.

                      with self.assertRaisesRegex(TypeError, r"f\(\) missing 2 required positional arguments: 'b' and 'c'"):
            f(1)
        with self.assertRaisesRegex(TypeError, r"f\(\) missing 3 required positional arguments: 'a', 'b', and 'c'"):
            f()
        with self.assertRaisesRegex(TypeError, r"f\(\) takes 3 positional arguments but 4 were given"):
            f(1, 2, 3, 4)

    def test_positional_only_and_optional_arg_invalid_calls(self):
        def f(a, b, /, c=3):

            

Reported by Pylint.

                      with self.assertRaisesRegex(TypeError, r"f\(\) missing 2 required positional arguments: 'b' and 'c'"):
            f(1)
        with self.assertRaisesRegex(TypeError, r"f\(\) missing 3 required positional arguments: 'a', 'b', and 'c'"):
            f()
        with self.assertRaisesRegex(TypeError, r"f\(\) takes 3 positional arguments but 4 were given"):
            f(1, 2, 3, 4)

    def test_positional_only_and_optional_arg_invalid_calls(self):
        def f(a, b, /, c=3):

            

Reported by Pylint.

                      with self.assertRaisesRegex(TypeError, r"f\(\) missing 2 required positional arguments: 'b' and 'c'"):
            f(1)
        with self.assertRaisesRegex(TypeError, r"f\(\) missing 3 required positional arguments: 'a', 'b', and 'c'"):
            f()
        with self.assertRaisesRegex(TypeError, r"f\(\) takes 3 positional arguments but 4 were given"):
            f(1, 2, 3, 4)

    def test_positional_only_and_optional_arg_invalid_calls(self):
        def f(a, b, /, c=3):

            

Reported by Pylint.

                  def testQuoteData(self):
        teststr  = "abc\n.jkl\rfoo\r\n..blue"
        expected = "abc\r\n..jkl\r\nfoo\r\n...blue"
        self.assertEqual(expected, smtplib.quotedata(teststr))

    def testBasic1(self):
        mock_socket.reply_with(b"220 Hola mundo")
        # connects
        client = self.client(HOST, self.port)

            

Reported by Pylint.

                  def testBasic1(self):
        mock_socket.reply_with(b"220 Hola mundo")
        # connects
        client = self.client(HOST, self.port)
        client.close()

    def testSourceAddress(self):
        mock_socket.reply_with(b"220 Hola mundo")
        # connects

            

Reported by Pylint.

                  def testSourceAddress(self):
        mock_socket.reply_with(b"220 Hola mundo")
        # connects
        client = self.client(HOST, self.port,
                             source_address=('127.0.0.1',19876))
        self.assertEqual(client.source_address, ('127.0.0.1', 19876))
        client.close()

    def testBasic2(self):

            

Reported by Pylint.

                      # connects
        client = self.client(HOST, self.port,
                             source_address=('127.0.0.1',19876))
        self.assertEqual(client.source_address, ('127.0.0.1', 19876))
        client.close()

    def testBasic2(self):
        mock_socket.reply_with(b"220 Hola mundo")
        # connects, include port in host name

            

Reported by Pylint.

                  def testBasic2(self):
        mock_socket.reply_with(b"220 Hola mundo")
        # connects, include port in host name
        client = self.client("%s:%s" % (HOST, self.port))
        client.close()

    def testLocalHostName(self):
        mock_socket.reply_with(b"220 Hola mundo")
        # check that supplied local_hostname is used

            

Reported by Pylint.

                  def testLocalHostName(self):
        mock_socket.reply_with(b"220 Hola mundo")
        # check that supplied local_hostname is used
        client = self.client(HOST, self.port, local_hostname="testhost")
        self.assertEqual(client.local_hostname, "testhost")
        client.close()

    def testTimeoutDefault(self):
        mock_socket.reply_with(b"220 Hola mundo")

            

Reported by Pylint.

                      mock_socket.reply_with(b"220 Hola mundo")
        # check that supplied local_hostname is used
        client = self.client(HOST, self.port, local_hostname="testhost")
        self.assertEqual(client.local_hostname, "testhost")
        client.close()

    def testTimeoutDefault(self):
        mock_socket.reply_with(b"220 Hola mundo")
        self.assertIsNone(mock_socket.getdefaulttimeout())

            

Reported by Pylint.

              
    def testTimeoutDefault(self):
        mock_socket.reply_with(b"220 Hola mundo")
        self.assertIsNone(mock_socket.getdefaulttimeout())
        mock_socket.setdefaulttimeout(30)
        self.assertEqual(mock_socket.getdefaulttimeout(), 30)
        try:
            client = self.client(HOST, self.port)
        finally:

            

Reported by Pylint.

                      mock_socket.reply_with(b"220 Hola mundo")
        self.assertIsNone(mock_socket.getdefaulttimeout())
        mock_socket.setdefaulttimeout(30)
        self.assertEqual(mock_socket.getdefaulttimeout(), 30)
        try:
            client = self.client(HOST, self.port)
        finally:
            mock_socket.setdefaulttimeout(None)
        self.assertEqual(client.sock.gettimeout(), 30)

            

Reported by Pylint.

                      mock_socket.setdefaulttimeout(30)
        self.assertEqual(mock_socket.getdefaulttimeout(), 30)
        try:
            client = self.client(HOST, self.port)
        finally:
            mock_socket.setdefaulttimeout(None)
        self.assertEqual(client.sock.gettimeout(), 30)
        client.close()


            

Reported by Pylint.

              has_cmdline_bunzip2 = None

def ext_decompress(data):
    global has_cmdline_bunzip2
    if has_cmdline_bunzip2 is None:
        has_cmdline_bunzip2 = bool(shutil.which('bunzip2'))
    if has_cmdline_bunzip2:
        return subprocess.check_output(['bunzip2'], input=data)
    else:

            

Reported by Pylint.

                      with BZ2File(self.filename) as bz2f:
            text = b''
            while True:
                str = bz2f.read(10)
                if not str:
                    break
                text += str
            self.assertEqual(text, self.TEXT)


            

Reported by Pylint.

                      with BZ2File(self.filename) as bz2f:
            text = b''
            while True:
                str = bz2f.read(10)
                if not str:
                    break
                text += str
            self.assertEqual(text, self.TEXT * 5)


            

Reported by Pylint.

                      with BZ2File(self.filename, "w") as bz2f:
            n = 0
            while True:
                str = self.TEXT[n*10:(n+1)*10]
                if not str:
                    break
                bz2f.write(str)
                n += 1
        with open(self.filename, 'rb') as f:

            

Reported by Pylint.

              
    def testOpenDel(self):
        self.createTempFile()
        for i in range(10000):
            o = BZ2File(self.filename)
            del o

    def testOpenNonexistent(self):
        self.assertRaises(OSError, BZ2File, "/non/existent")

            

Reported by Pylint.

                          self.fail("__enter__ on a closed file didn't raise an exception")
        try:
            with BZ2File(self.filename, "wb") as f:
                1/0
        except ZeroDivisionError:
            pass
        else:
            self.fail("1/0 didn't raise an exception")


            

Reported by Pylint.

                      nthreads = 10
        with BZ2File(self.filename, 'wb') as f:
            def comp():
                for i in range(5):
                    f.write(data)
            threads = [threading.Thread(target=comp) for i in range(nthreads)]
            with threading_helper.start_threads(threads):
                pass


            

Reported by Pylint.

                      decomp = BZ2File(BytesIO(bomb))
        self.assertEqual(decomp.read(1), b'\0')
        max_decomp = 1 + DEFAULT_BUFFER_SIZE
        self.assertLessEqual(decomp._buffer.raw.tell(), max_decomp,
            "Excessive amount of data was decompressed")


    # Tests for a BZ2File wrapping another file object:


            

Reported by Pylint.

                      n = 0
        data = b''
        while True:
            str = self.TEXT[n*10:(n+1)*10]
            if not str:
                break
            data += bz2c.compress(str)
            n += 1
        data += bz2c.flush()

            

Reported by Pylint.

                      text = b''
        n = 0
        while True:
            str = self.DATA[n*10:(n+1)*10]
            if not str:
                break
            text += bz2d.decompress(str)
            n += 1
        self.assertEqual(text, self.TEXT)

            

Reported by Pylint.

                              return (C,)
        c = C()
        self.assertEqual(tested, [])
        class D(B, c): ...
        self.assertEqual(tested[0], ((B, c),))
        self.assertEqual(tested[1], {})

    def test_mro_entry(self):
        tested = []

            

Reported by Pylint.

                              return (self.__class__,)
        c = C()
        self.assertEqual(tested, [])
        class D(A, c, B): ...
        self.assertEqual(tested[-1], (A, c, B))
        self.assertEqual(D.__bases__, (A, C, B))
        self.assertEqual(D.__orig_bases__, (A, c, B))
        self.assertEqual(D.__mro__, (D, A, C, B, object))
        d = D()

            

Reported by Pylint.

                      self.assertEqual(D.__orig_bases__, (A, c, B))
        self.assertEqual(D.__mro__, (D, A, C, B, object))
        d = D()
        class E(d): ...
        self.assertEqual(tested[-1], (d,))
        self.assertEqual(E.__bases__, (D,))

    def test_mro_entry_none(self):
        tested = []

            

Reported by Pylint.

                              return ()
        c = C()
        self.assertEqual(tested, [])
        class D(A, c, B): ...
        self.assertEqual(tested[-1], (A, c, B))
        self.assertEqual(D.__bases__, (A, B))
        self.assertEqual(D.__orig_bases__, (A, c, B))
        self.assertEqual(D.__mro__, (D, A, B, object))
        class E(c): ...

            

Reported by Pylint.

                      self.assertEqual(D.__bases__, (A, B))
        self.assertEqual(D.__orig_bases__, (A, c, B))
        self.assertEqual(D.__mro__, (D, A, B, object))
        class E(c): ...
        self.assertEqual(tested[-1], (c,))
        self.assertEqual(E.__bases__, (object,))
        self.assertEqual(E.__orig_bases__, (c,))
        self.assertEqual(E.__mro__, (E, object))


            

Reported by Pylint.

                              return (dict,)
        c = C()
        self.assertEqual(tested, [])
        class D(A, c): ...
        self.assertEqual(tested[-1], (A, c))
        self.assertEqual(D.__bases__, (A, dict))
        self.assertEqual(D.__orig_bases__, (A, c))
        self.assertEqual(D.__mro__, (D, A, dict, object))


            

Reported by Pylint.

                              return (C,)
        c = C()
        self.assertEqual(tested, [])
        class D(c, dict): ...
        self.assertEqual(tested[-1], (c, dict))
        self.assertEqual(D.__bases__, (C, dict))
        self.assertEqual(D.__orig_bases__, (c, dict))
        self.assertEqual(D.__mro__, (D, C, dict, object))


            

Reported by Pylint.

                              return ()
        c = C_too_many()
        with self.assertRaises(TypeError):
            class D(c): ...
        class C_too_few:
            def __mro_entries__(self):
                return ()
        d = C_too_few()
        with self.assertRaises(TypeError):

            

Reported by Pylint.

                              return ()
        d = C_too_few()
        with self.assertRaises(TypeError):
            class D(d): ...

    def test_mro_entry_errors_2(self):
        class C_not_callable:
            __mro_entries__ = "Surprise!"
        c = C_not_callable()

            

Reported by Pylint.

                              return ()
        d = C_too_few()
        with self.assertRaises(TypeError):
            class D(d): ...

    def test_mro_entry_errors_2(self):
        class C_not_callable:
            __mro_entries__ = "Surprise!"
        c = C_not_callable()

            

Reported by Pylint.

              
WHITESPACE = frozenset(" \t\n\r\v\f")

_REPEATCODES = frozenset({MIN_REPEAT, MAX_REPEAT})
_UNITCODES = frozenset({ANY, RANGE, IN, LITERAL, NOT_LITERAL, CATEGORY})

ESCAPES = {
    r"\a": (LITERAL, ord("\a")),
    r"\b": (LITERAL, ord("\b")),

            

Reported by Pylint.

              
WHITESPACE = frozenset(" \t\n\r\v\f")

_REPEATCODES = frozenset({MIN_REPEAT, MAX_REPEAT})
_UNITCODES = frozenset({ANY, RANGE, IN, LITERAL, NOT_LITERAL, CATEGORY})

ESCAPES = {
    r"\a": (LITERAL, ord("\a")),
    r"\b": (LITERAL, ord("\b")),

            

Reported by Pylint.

              WHITESPACE = frozenset(" \t\n\r\v\f")

_REPEATCODES = frozenset({MIN_REPEAT, MAX_REPEAT})
_UNITCODES = frozenset({ANY, RANGE, IN, LITERAL, NOT_LITERAL, CATEGORY})

ESCAPES = {
    r"\a": (LITERAL, ord("\a")),
    r"\b": (LITERAL, ord("\b")),
    r"\f": (LITERAL, ord("\f")),

            

Reported by Pylint.

              WHITESPACE = frozenset(" \t\n\r\v\f")

_REPEATCODES = frozenset({MIN_REPEAT, MAX_REPEAT})
_UNITCODES = frozenset({ANY, RANGE, IN, LITERAL, NOT_LITERAL, CATEGORY})

ESCAPES = {
    r"\a": (LITERAL, ord("\a")),
    r"\b": (LITERAL, ord("\b")),
    r"\f": (LITERAL, ord("\f")),

            

Reported by Pylint.

              WHITESPACE = frozenset(" \t\n\r\v\f")

_REPEATCODES = frozenset({MIN_REPEAT, MAX_REPEAT})
_UNITCODES = frozenset({ANY, RANGE, IN, LITERAL, NOT_LITERAL, CATEGORY})

ESCAPES = {
    r"\a": (LITERAL, ord("\a")),
    r"\b": (LITERAL, ord("\b")),
    r"\f": (LITERAL, ord("\f")),

            

Reported by Pylint.

              WHITESPACE = frozenset(" \t\n\r\v\f")

_REPEATCODES = frozenset({MIN_REPEAT, MAX_REPEAT})
_UNITCODES = frozenset({ANY, RANGE, IN, LITERAL, NOT_LITERAL, CATEGORY})

ESCAPES = {
    r"\a": (LITERAL, ord("\a")),
    r"\b": (LITERAL, ord("\b")),
    r"\f": (LITERAL, ord("\f")),

            

Reported by Pylint.

              WHITESPACE = frozenset(" \t\n\r\v\f")

_REPEATCODES = frozenset({MIN_REPEAT, MAX_REPEAT})
_UNITCODES = frozenset({ANY, RANGE, IN, LITERAL, NOT_LITERAL, CATEGORY})

ESCAPES = {
    r"\a": (LITERAL, ord("\a")),
    r"\b": (LITERAL, ord("\b")),
    r"\f": (LITERAL, ord("\f")),

            

Reported by Pylint.

              WHITESPACE = frozenset(" \t\n\r\v\f")

_REPEATCODES = frozenset({MIN_REPEAT, MAX_REPEAT})
_UNITCODES = frozenset({ANY, RANGE, IN, LITERAL, NOT_LITERAL, CATEGORY})

ESCAPES = {
    r"\a": (LITERAL, ord("\a")),
    r"\b": (LITERAL, ord("\b")),
    r"\f": (LITERAL, ord("\f")),

            

Reported by Pylint.

              _UNITCODES = frozenset({ANY, RANGE, IN, LITERAL, NOT_LITERAL, CATEGORY})

ESCAPES = {
    r"\a": (LITERAL, ord("\a")),
    r"\b": (LITERAL, ord("\b")),
    r"\f": (LITERAL, ord("\f")),
    r"\n": (LITERAL, ord("\n")),
    r"\r": (LITERAL, ord("\r")),
    r"\t": (LITERAL, ord("\t")),

            

Reported by Pylint.

              
ESCAPES = {
    r"\a": (LITERAL, ord("\a")),
    r"\b": (LITERAL, ord("\b")),
    r"\f": (LITERAL, ord("\f")),
    r"\n": (LITERAL, ord("\n")),
    r"\r": (LITERAL, ord("\r")),
    r"\t": (LITERAL, ord("\t")),
    r"\v": (LITERAL, ord("\v")),

            

Reported by Pylint.

                  return (snapshot, snapshot2)

def frame(filename, lineno):
    return tracemalloc._Frame((filename, lineno))

def traceback(*frames):
    return tracemalloc.Traceback(frames)

def traceback_lineno(filename, lineno):

            

Reported by Pylint.

              class TestTraceback(unittest.TestCase):
    def test_repr(self):
        def get_repr(*args) -> str:
            return repr(tracemalloc.Traceback(*args))

        self.assertEqual(get_repr(()), "<Traceback ()>")
        self.assertEqual(get_repr((), 0), "<Traceback () total_nframe=0>")

        frames = (("f1", 1), ("f2", 2))

            

Reported by Pylint.

                      size1, peak1 = tracemalloc.get_traced_memory()

        # reset_peak() resets peak to traced memory: peak2 < peak1
        tracemalloc.reset_peak()
        size2, peak2 = tracemalloc.get_traced_memory()
        self.assertGreaterEqual(peak2, size2)
        self.assertLess(peak2, peak1)

        # check that peak continue to be updated if new memory is allocated:

            

Reported by Pylint.

                      snapshot = tracemalloc.take_snapshot()

        # This can vary
        self.assertGreater(snapshot.traces[1].traceback.total_nframe, 10)

        # write on disk
        snapshot.dump(os_helper.TESTFN)
        self.addCleanup(os_helper.unlink, os_helper.TESTFN)


            

Reported by Pylint.

                          self.assertEqual(snapshot.traceback_limit, 5)
            self.assertEqual(len(snapshot.traces), 1)
            trace = snapshot.traces[0]
            self.assertEqual(trace.size, 5)
            self.assertEqual(trace.traceback.total_nframe, 10)
            self.assertEqual(len(trace.traceback), 1)
            self.assertEqual(trace.traceback[0].filename, 'a.py')
            self.assertEqual(trace.traceback[0].lineno, 2)


            

Reported by Pylint.

                          self.assertEqual(len(snapshot.traces), 1)
            trace = snapshot.traces[0]
            self.assertEqual(trace.size, 5)
            self.assertEqual(trace.traceback.total_nframe, 10)
            self.assertEqual(len(trace.traceback), 1)
            self.assertEqual(trace.traceback[0].filename, 'a.py')
            self.assertEqual(trace.traceback[0].lineno, 2)

    def test_filter_traces(self):

            

Reported by Pylint.

                          trace = snapshot.traces[0]
            self.assertEqual(trace.size, 5)
            self.assertEqual(trace.traceback.total_nframe, 10)
            self.assertEqual(len(trace.traceback), 1)
            self.assertEqual(trace.traceback[0].filename, 'a.py')
            self.assertEqual(trace.traceback[0].lineno, 2)

    def test_filter_traces(self):
        snapshot, snapshot2 = create_snapshots()

            

Reported by Pylint.

                          self.assertEqual(trace.size, 5)
            self.assertEqual(trace.traceback.total_nframe, 10)
            self.assertEqual(len(trace.traceback), 1)
            self.assertEqual(trace.traceback[0].filename, 'a.py')
            self.assertEqual(trace.traceback[0].lineno, 2)

    def test_filter_traces(self):
        snapshot, snapshot2 = create_snapshots()
        filter1 = tracemalloc.Filter(False, "b.py")

            

Reported by Pylint.

                          self.assertEqual(trace.traceback.total_nframe, 10)
            self.assertEqual(len(trace.traceback), 1)
            self.assertEqual(trace.traceback[0].filename, 'a.py')
            self.assertEqual(trace.traceback[0].lineno, 2)

    def test_filter_traces(self):
        snapshot, snapshot2 = create_snapshots()
        filter1 = tracemalloc.Filter(False, "b.py")
        filter2 = tracemalloc.Filter(True, "a.py", 2)

            

Reported by Pylint.

                      snapshot, snapshot2 = create_snapshots()
        trace = snapshot.traces[0]
        self.assertEqual(str(trace), 'b.py:4: 10 B')
        traceback = trace.traceback
        self.assertEqual(str(traceback), 'b.py:4')
        frame = traceback[0]
        self.assertEqual(str(frame), 'b.py:4')

    def test_statistic_format(self):

            

Reported by Pylint.

                              """
                self.close_request(request)
                self.server_close()
                raise

        self.addCleanup(self._cleanup)
        self.server = self.server_class((socket_helper.HOST, 0), imap_handler)
        self.thread = threading.Thread(
            name=self._testMethodName+'-server',

            

Reported by Pylint.

                          def handle_error(self, request, client_address):
                self.close_request(request)
                self.server_close()
                raise

        if verbose:
            print("creating server")
        server = MyServer(addr, hdlr)
        self.assertEqual(server.server_address, server.socket.getsockname())

            

Reported by Pylint.

                      with self.reaped_server(SimpleIMAPHandler) as server:
            with self.imap_class(*server.server_address) as imap:
                imap.login('user', 'pass')
                self.assertEqual(server.logged, 'user')
            self.assertIsNone(server.logged)

    @threading_helper.reap_threads
    def test_with_statement_logout(self):
        # what happens if already logout in the block?

            

Reported by Pylint.

                          with self.imap_class(*server.server_address) as imap:
                imap.login('user', 'pass')
                self.assertEqual(server.logged, 'user')
            self.assertIsNone(server.logged)

    @threading_helper.reap_threads
    def test_with_statement_logout(self):
        # what happens if already logout in the block?
        with self.reaped_server(SimpleIMAPHandler) as server:

            

Reported by Pylint.

                      with self.reaped_server(SimpleIMAPHandler) as server:
            with self.imap_class(*server.server_address) as imap:
                imap.login('user', 'pass')
                self.assertEqual(server.logged, 'user')
                imap.logout()
                self.assertIsNone(server.logged)
            self.assertIsNone(server.logged)

    @threading_helper.reap_threads

            

Reported by Pylint.

                              imap.login('user', 'pass')
                self.assertEqual(server.logged, 'user')
                imap.logout()
                self.assertIsNone(server.logged)
            self.assertIsNone(server.logged)

    @threading_helper.reap_threads
    @cpython_only
    def test_dump_ur(self):

            

Reported by Pylint.

                              self.assertEqual(server.logged, 'user')
                imap.logout()
                self.assertIsNone(server.logged)
            self.assertIsNone(server.logged)

    @threading_helper.reap_threads
    @cpython_only
    def test_dump_ur(self):
        # See: http://bugs.python.org/issue26543

            

Reported by Pylint.

                          else:
                self._send_tagged(tag, 'BAD', cmd + ' unknown')

    def cmd_CAPABILITY(self, tag, args):
        caps = ('IMAP4rev1 ' + self.capabilities
                if self.capabilities
                else 'IMAP4rev1')
        self._send_textline('* CAPABILITY ' + caps)
        self._send_tagged(tag, 'OK', 'CAPABILITY completed')

            

Reported by Pylint.

                      self._send_textline('* CAPABILITY ' + caps)
        self._send_tagged(tag, 'OK', 'CAPABILITY completed')

    def cmd_LOGOUT(self, tag, args):
        self.server.logged = None
        self._send_textline('* BYE IMAP4ref1 Server logging out')
        self._send_tagged(tag, 'OK', 'LOGOUT completed')

    def cmd_LOGIN(self, tag, args):

            

Reported by Pylint.

                      self.server.logged = args[0]
        self._send_tagged(tag, 'OK', 'LOGIN completed')

    def cmd_SELECT(self, tag, args):
        self.server.is_selected = True
        self._send_line(b'* 2 EXISTS')
        self._send_tagged(tag, 'OK', '[READ-WRITE] SELECT completed.')

    def cmd_UNSELECT(self, tag, args):

            

Reported by Pylint.