is_a_simple_defined = re.compile(r'^defined\s*\(\s*[A-Za-z0-9_]+\s*\)$').match

    def __init__(self, filename=None, *, verbose=False):
        self.stack = []
        self.in_comment = False
        self.continuation = None
        self.line_number = 0
        self.filename = filename

            

Reported by Pylint.

              
    def fail(self, *a):
        if self.filename:
            filename = " " + self.filename
        else:
            filename = ''
        print("Error at" + filename, "line", self.line_number, ":")
        print("   ", ' '.join(str(x) for x in a))
        sys.exit(-1)

            

Reported by Pylint.

                          self.fail("Ended file while still in a preprocessor conditional block!")

    def write(self, s):
        for line in s.split("\n"):
            self.writeline(line)

    def writeline(self, line):
        self.line_number += 1
        line = line.strip()

            

Reported by Pylint.

                      for line in s.split("\n"):
            self.writeline(line)

    def writeline(self, line):
        self.line_number += 1
        line = line.strip()

        def pop_stack():
            if not self.stack:

            

Reported by Pylint.

                                  self.fail("Nested block comment!")

                before, _, remainder = line.partition('/*')
                comment, comment_ends, after = remainder.partition('*/')
                if comment_ends:
                    # snip out the comment
                    line = before.rstrip() + ' ' + after.lstrip()
                    continue
                # comment continues to eol

            

Reported by Pylint.

              import re
import sys

def negate(condition):
    """
    Returns a CPP conditional that is the opposite of the conditional passed in.
    """
    if condition.startswith('!'):
        return condition[1:]

            

Reported by Pylint.

                          " condition=", repr(self.condition()),
            ">"))

    def status(self):
        return str(self.line_number).rjust(4) + ": " + self.condition()

    def condition(self):
        """
        Returns the current preprocessor state, as a single #if condition.

            

Reported by Pylint.

                      """
        return " && ".join(condition for token, condition in self.stack)

    def fail(self, *a):
        if self.filename:
            filename = " " + self.filename
        else:
            filename = ''
        print("Error at" + filename, "line", self.line_number, ":")

            

Reported by Pylint.

                      print("   ", ' '.join(str(x) for x in a))
        sys.exit(-1)

    def close(self):
        if self.stack:
            self.fail("Ended file while still in a preprocessor conditional block!")

    def write(self, s):
        for line in s.split("\n"):

            

Reported by Pylint.

                      if self.stack:
            self.fail("Ended file while still in a preprocessor conditional block!")

    def write(self, s):
        for line in s.split("\n"):
            self.writeline(line)

    def writeline(self, line):
        self.line_number += 1

            

Reported by Pylint.

              from contextlib import contextmanager

import profile
from test.profilee import testfunc, timer
from test.support.script_helper import assert_python_failure, assert_python_ok


class ProfileTest(unittest.TestCase):


            

Reported by Pylint.

              from test.support.script_helper import assert_python_failure, assert_python_ok


class ProfileTest(unittest.TestCase):

    profilerclass = profile.Profile
    profilermodule = profile
    methodnames = ['print_stats', 'print_callers', 'print_callees']
    expected_max_output = ':0(max)'

            

Reported by Pylint.

                  def tearDown(self):
        unlink(TESTFN)

    def get_expected_output(self):
        return _ProfileOutput

    @classmethod
    def do_profiling(cls):
        results = []

            

Reported by Pylint.

                  def tearDown(self):
        unlink(TESTFN)

    def get_expected_output(self):
        return _ProfileOutput

    @classmethod
    def do_profiling(cls):
        results = []

            

Reported by Pylint.

                      return _ProfileOutput

    @classmethod
    def do_profiling(cls):
        results = []
        prof = cls.profilerclass(timer, 0.001)
        start_timer = timer()
        prof.runctx("testfunc()", globals(), locals())
        results.append(timer() - start_timer)

            

Reported by Pylint.

                      prof.runctx("testfunc()", globals(), locals())
        results.append(timer() - start_timer)
        for methodname in cls.methodnames:
            s = StringIO()
            stats = pstats.Stats(prof, stream=s)
            stats.strip_dirs().sort_stats("stdname")
            getattr(stats, methodname)()
            output = s.getvalue().splitlines()
            mod_name = testfunc.__module__.rsplit('.', 1)[1]

            

Reported by Pylint.

                          results.append('\n'.join(output))
        return results

    def test_cprofile(self):
        results = self.do_profiling()
        expected = self.get_expected_output()
        self.assertEqual(results[0], 1000)
        fail = []
        for i, method in enumerate(self.methodnames):

            

Reported by Pylint.

                      self.assertEqual(results[0], 1000)
        fail = []
        for i, method in enumerate(self.methodnames):
            a = expected[method]
            b = results[i+1]
            if a != b:
                fail.append(f"\nStats.{method} output for "
                            f"{self.profilerclass.__name__} "
                             "does not fit expectation:")

            

Reported by Pylint.

                      fail = []
        for i, method in enumerate(self.methodnames):
            a = expected[method]
            b = results[i+1]
            if a != b:
                fail.append(f"\nStats.{method} output for "
                            f"{self.profilerclass.__name__} "
                             "does not fit expectation:")
                fail.extend(unified_diff(a.split('\n'), b.split('\n'),

            

Reported by Pylint.

                      if fail:
            self.fail("\n".join(fail))

    def test_calling_conventions(self):
        # Issue #5330: profile and cProfile wouldn't report C functions called
        # with keyword arguments. We test all calling conventions.
        stmts = [
            "max([0])",
            "max([0], key=int)",

            

Reported by Pylint.

                      return NULL;
    }

    strcpy(s, first_str);
    s += strlen(first_str);
    *s++ = '.';
    strcpy(s, second_str);
    s += strlen(second_str);
    *s = '\0';

            

Reported by FlawFinder.

                  strcpy(s, first_str);
    s += strlen(first_str);
    *s++ = '.';
    strcpy(s, second_str);
    s += strlen(second_str);
    *s = '\0';

    PyObject *uni = PyUnicode_DecodeUTF8(PyBytes_AS_STRING(str), PyBytes_GET_SIZE(str), NULL);
    Py_DECREF(str);

            

Reported by FlawFinder.

                      }

        // Copy both strings into new buffer
        memcpy(new_errmsg, fstring_msg, strlen(fstring_msg));
        memcpy(new_errmsg + strlen(fstring_msg), errmsg, strlen(errmsg));
        new_errmsg[len] = 0;
        errmsg = new_errmsg;
    }
    errstr = PyUnicode_FromFormatV(errmsg, va);

            

Reported by FlawFinder.

              
        // Copy both strings into new buffer
        memcpy(new_errmsg, fstring_msg, strlen(fstring_msg));
        memcpy(new_errmsg + strlen(fstring_msg), errmsg, strlen(errmsg));
        new_errmsg[len] = 0;
        errmsg = new_errmsg;
    }
    errstr = PyUnicode_FromFormatV(errmsg, va);
    if (!errstr) {

            

Reported by FlawFinder.

              PyObject *
_PyPegen_new_type_comment(Parser *p, const char *s)
{
    PyObject *res = PyUnicode_DecodeUTF8(s, strlen(s), NULL);
    if (res == NULL) {
        return NULL;
    }
    if (_PyArena_AddPyObject(p->arena, res) < 0) {
        Py_DECREF(res);

            

Reported by FlawFinder.

              PyObject *
_PyPegen_new_identifier(Parser *p, const char *n)
{
    PyObject *id = PyUnicode_DecodeUTF8(n, strlen(n), NULL);
    if (!id) {
        goto error;
    }
    /* PyUnicode_DecodeUTF8 should always return a ready string. */
    assert(PyUnicode_IS_READY(id));

            

Reported by FlawFinder.

                          msg = "too many levels of indentation";
            break;
        case E_LINECONT:
            col_offset = strlen(strtok(p->tok->buf, "\n")) - 1;
            msg = "unexpected character after line continuation character";
            break;
        default:
            msg = "unknown parsing error";
    }

            

Reported by FlawFinder.

              
    char *next_newline;
    if ((next_newline = strchr(cur_line, '\n')) == NULL) { // This is the last line
        next_newline = cur_line + strlen(cur_line);
    }
    return PyUnicode_DecodeUTF8(cur_line, next_newline - cur_line, "replace");
}

Py_ssize_t

            

Reported by FlawFinder.

                  if (!str) {
        return -1;
    }
    Py_ssize_t len = strlen(str);
    if (col_offset > len + 1) {
        col_offset = len + 1;
    }
    assert(col_offset >= 0);
    PyObject *text = PyUnicode_DecodeUTF8(str, col_offset, "replace");

            

Reported by FlawFinder.

              
    if (p->start_rule == Py_fstring_input) {
        const char *fstring_msg = "f-string: ";
        Py_ssize_t len = strlen(fstring_msg) + strlen(errmsg);

        char *new_errmsg = PyMem_Malloc(len + 1); // Lengths of both strings plus NULL character
        if (!new_errmsg) {
            return (void *) PyErr_NoMemory();
        }

            

Reported by FlawFinder.

                      )


def _return_true(f):
    return True


def rglob(root, patterns, condition=None):
    if isinstance(patterns, tuple):

            

Reported by Pylint.

              import os


class FileStemSet:
    def __init__(self, *patterns):
        self._names = set()
        self._prefixes = []
        self._suffixes = []
        for p in map(os.path.normcase, patterns):

            

Reported by Pylint.

              import os


class FileStemSet:
    def __init__(self, *patterns):
        self._names = set()
        self._prefixes = []
        self._suffixes = []
        for p in map(os.path.normcase, patterns):

            

Reported by Pylint.

                      self._names = set()
        self._prefixes = []
        self._suffixes = []
        for p in map(os.path.normcase, patterns):
            if p.endswith("*"):
                self._prefixes.append(p[:-1])
            elif p.startswith("*"):
                self._suffixes.append(p[1:])
            else:

            

Reported by Pylint.

                          else:
                self._names.add(p)

    def _make_name(self, f):
        return os.path.normcase(f.stem)

    def __contains__(self, f):
        bn = self._make_name(f)
        return (

            

Reported by Pylint.

                          else:
                self._names.add(p)

    def _make_name(self, f):
        return os.path.normcase(f.stem)

    def __contains__(self, f):
        bn = self._make_name(f)
        return (

            

Reported by Pylint.

                  def _make_name(self, f):
        return os.path.normcase(f.stem)

    def __contains__(self, f):
        bn = self._make_name(f)
        return (
            bn in self._names
            or any(map(bn.startswith, self._prefixes))
            or any(map(bn.endswith, self._suffixes))

            

Reported by Pylint.

                      return os.path.normcase(f.stem)

    def __contains__(self, f):
        bn = self._make_name(f)
        return (
            bn in self._names
            or any(map(bn.startswith, self._prefixes))
            or any(map(bn.endswith, self._suffixes))
        )

            

Reported by Pylint.

                      )


class FileNameSet(FileStemSet):
    def _make_name(self, f):
        return os.path.normcase(f.name)


class FileSuffixSet:

            

Reported by Pylint.

                      )


class FileNameSet(FileStemSet):
    def _make_name(self, f):
        return os.path.normcase(f.name)


class FileSuffixSet:

            

Reported by Pylint.

                      edict[e] = parsesetup.getsetupinfo(setup), liba
    for mod in unknown:
        for e in extensions:
            (mods, vars), liba = edict[e]
            if mod not in mods:
                continue
            modules.append(mod)
            if liba:
                # If we find a lib.a, use it, ignore the

            

Reported by Pylint.

                          break
    return files, modules

def select(e, mods, vars, mod, skipofiles):
    files = []
    for w in mods[mod]:
        w = treatword(w)
        if not w:
            continue

            

Reported by Pylint.

                      if not w:
            continue
        w = expandvars(w, vars)
        for w in w.split():
            if skipofiles and w[-2:] == '.o':
                continue
            # Assume $var expands to absolute pathname
            if w[0] not in ('-', '$') and w[-2:] in ('.o', '.a'):
                w = os.path.join(e, w)

            

Reported by Pylint.

                      w = os.path.join(head, tail)
    return w

def expandvars(str, vars):
    i = 0
    while i < len(str):
        i = k = str.find('$', i)
        if i < 0:
            break

            

Reported by Pylint.

                      w = os.path.join(head, tail)
    return w

def expandvars(str, vars):
    i = 0
    while i < len(str):
        i = k = str.find('$', i)
        if i < 0:
            break

            

Reported by Pylint.

              # Check for a module in a set of extension directories.
# An extension directory should contain a Setup file
# and one or more .o files or a lib.a file.

import os
import parsesetup

def checkextensions(unknown, extensions):
    files = []

            

Reported by Pylint.

              import os
import parsesetup

def checkextensions(unknown, extensions):
    files = []
    modules = []
    edict = {}
    for e in extensions:
        setup = os.path.join(e, 'Setup')

            

Reported by Pylint.

                  files = []
    modules = []
    edict = {}
    for e in extensions:
        setup = os.path.join(e, 'Setup')
        liba = os.path.join(e, 'lib.a')
        if not os.path.isfile(liba):
            liba = None
        edict[e] = parsesetup.getsetupinfo(setup), liba

            

Reported by Pylint.

                          liba = None
        edict[e] = parsesetup.getsetupinfo(setup), liba
    for mod in unknown:
        for e in extensions:
            (mods, vars), liba = edict[e]
            if mod not in mods:
                continue
            modules.append(mod)
            if liba:

            

Reported by Pylint.

                              if liba in files:
                    break
                files.append(liba)
                for m in list(mods.keys()):
                    files = files + select(e, mods, vars,
                                           m, 1)
                break
            files = files + select(e, mods, vars, mod, 0)
            break

            

Reported by Pylint.

              import unittest
import tkinter
from tkinter import font
from test.support import requires, run_unittest, gc_collect, ALWAYS_EQ
from tkinter.test.support import AbstractTkTest, AbstractDefaultRootTest

requires('gui')

fontname = "TkDefaultFont"

            

Reported by Pylint.

              import tkinter
from tkinter import font
from test.support import requires, run_unittest, gc_collect, ALWAYS_EQ
from tkinter.test.support import AbstractTkTest, AbstractDefaultRootTest

requires('gui')

fontname = "TkDefaultFont"


            

Reported by Pylint.

              
requires('gui')

fontname = "TkDefaultFont"

class FontTest(AbstractTkTest, unittest.TestCase):

    @classmethod
    def setUpClass(cls):

            

Reported by Pylint.

              
fontname = "TkDefaultFont"

class FontTest(AbstractTkTest, unittest.TestCase):

    @classmethod
    def setUpClass(cls):
        AbstractTkTest.setUpClass.__func__(cls)
        try:

            

Reported by Pylint.

                      except tkinter.TclError:
            cls.font = font.Font(root=cls.root, name=fontname, exists=False)

    def test_configure(self):
        options = self.font.configure()
        self.assertGreaterEqual(set(options),
            {'family', 'size', 'weight', 'slant', 'underline', 'overstrike'})
        for key in options:
            self.assertEqual(self.font.cget(key), options[key])

            

Reported by Pylint.

                          self.assertIsInstance(self.font.cget(key), sizetype)
            self.assertIsInstance(self.font[key], sizetype)

    def test_unicode_family(self):
        family = 'MS \u30b4\u30b7\u30c3\u30af'
        try:
            f = font.Font(root=self.root, family=family, exists=True)
        except tkinter.TclError:
            f = font.Font(root=self.root, family=family, exists=False)

            

Reported by Pylint.

                  def test_unicode_family(self):
        family = 'MS \u30b4\u30b7\u30c3\u30af'
        try:
            f = font.Font(root=self.root, family=family, exists=True)
        except tkinter.TclError:
            f = font.Font(root=self.root, family=family, exists=False)
        self.assertEqual(f.cget('family'), family)
        del f
        gc_collect()

            

Reported by Pylint.

                      try:
            f = font.Font(root=self.root, family=family, exists=True)
        except tkinter.TclError:
            f = font.Font(root=self.root, family=family, exists=False)
        self.assertEqual(f.cget('family'), family)
        del f
        gc_collect()

    def test_actual(self):

            

Reported by Pylint.

                      del f
        gc_collect()

    def test_actual(self):
        options = self.font.actual()
        self.assertGreaterEqual(set(options),
            {'family', 'size', 'weight', 'slant', 'underline', 'overstrike'})
        for key in options:
            self.assertEqual(self.font.actual(key), options[key])

            

Reported by Pylint.

                          self.assertIsInstance(options[key], sizetype)
            self.assertIsInstance(self.font.actual(key), sizetype)

    def test_name(self):
        self.assertEqual(self.font.name, fontname)
        self.assertEqual(str(self.font), fontname)

    def test_equality(self):
        font1 = font.Font(root=self.root, name=fontname, exists=True)

            

Reported by Pylint.

                      Exception.__init__(self, *args, **kw)

    def _get_code(self):
        return self.code


class IndexSizeErr(DOMException):
    code = INDEX_SIZE_ERR


            

Reported by Pylint.

              EMPTY_NAMESPACE = None
EMPTY_PREFIX = None

from .domreg import getDOMImplementation, registerDOMImplementation

            

Reported by Pylint.

              """


class Node:
    """Class giving the NodeType constants."""
    __slots__ = ()

    # DOM implementations may use this as a base class for their own
    # Node implementations.  If they don't, the constants defined here

            

Reported by Pylint.

                      return self.code


class IndexSizeErr(DOMException):
    code = INDEX_SIZE_ERR

class DomstringSizeErr(DOMException):
    code = DOMSTRING_SIZE_ERR


            

Reported by Pylint.

              class IndexSizeErr(DOMException):
    code = INDEX_SIZE_ERR

class DomstringSizeErr(DOMException):
    code = DOMSTRING_SIZE_ERR

class HierarchyRequestErr(DOMException):
    code = HIERARCHY_REQUEST_ERR


            

Reported by Pylint.

              class DomstringSizeErr(DOMException):
    code = DOMSTRING_SIZE_ERR

class HierarchyRequestErr(DOMException):
    code = HIERARCHY_REQUEST_ERR

class WrongDocumentErr(DOMException):
    code = WRONG_DOCUMENT_ERR


            

Reported by Pylint.

              class HierarchyRequestErr(DOMException):
    code = HIERARCHY_REQUEST_ERR

class WrongDocumentErr(DOMException):
    code = WRONG_DOCUMENT_ERR

class InvalidCharacterErr(DOMException):
    code = INVALID_CHARACTER_ERR


            

Reported by Pylint.

              class WrongDocumentErr(DOMException):
    code = WRONG_DOCUMENT_ERR

class InvalidCharacterErr(DOMException):
    code = INVALID_CHARACTER_ERR

class NoDataAllowedErr(DOMException):
    code = NO_DATA_ALLOWED_ERR


            

Reported by Pylint.

              class InvalidCharacterErr(DOMException):
    code = INVALID_CHARACTER_ERR

class NoDataAllowedErr(DOMException):
    code = NO_DATA_ALLOWED_ERR

class NoModificationAllowedErr(DOMException):
    code = NO_MODIFICATION_ALLOWED_ERR


            

Reported by Pylint.

              class NoDataAllowedErr(DOMException):
    code = NO_DATA_ALLOWED_ERR

class NoModificationAllowedErr(DOMException):
    code = NO_MODIFICATION_ALLOWED_ERR

class NotFoundErr(DOMException):
    code = NOT_FOUND_ERR


            

Reported by Pylint.

                          ("", ResourceWarning),
            quiet=True):
            try:
                exec("import %s" % modname, names)
            except:
                # Silent fail here seems the best route since some modules
                # may not be available or not initialize properly in all
                # environments.
                raise FailedImport(modname)

            

Reported by Pylint.

                          ("", ResourceWarning),
            quiet=True):
            try:
                exec("import %s" % modname, names)
            except:
                # Silent fail here seems the best route since some modules
                # may not be available or not initialize properly in all
                # environments.
                raise FailedImport(modname)

            

Reported by Bandit.

                              # Silent fail here seems the best route since some modules
                # may not be available or not initialize properly in all
                # environments.
                raise FailedImport(modname)
        if not hasattr(sys.modules[modname], "__all__"):
            raise NoAll(modname)
        names = {}
        with self.subTest(module=modname):
            with warnings_helper.check_warnings(

            

Reported by Pylint.

                              ("", ResourceWarning),
                quiet=True):
                try:
                    exec("from %s import *" % modname, names)
                except Exception as e:
                    # Include the module name in the exception string
                    self.fail("__all__ failure in {}: {}: {}".format(
                              modname, e.__class__.__name__, e))
                if "__builtins__" in names:

            

Reported by Pylint.

                              ("", ResourceWarning),
                quiet=True):
                try:
                    exec("from %s import *" % modname, names)
                except Exception as e:
                    # Include the module name in the exception string
                    self.fail("__all__ failure in {}: {}: {}".format(
                              modname, e.__class__.__name__, e))
                if "__builtins__" in names:

            

Reported by Bandit.

                              quiet=True):
                try:
                    exec("from %s import *" % modname, names)
                except Exception as e:
                    # Include the module name in the exception string
                    self.fail("__all__ failure in {}: {}: {}".format(
                              modname, e.__class__.__name__, e))
                if "__builtins__" in names:
                    del names["__builtins__"]

            

Reported by Pylint.

              import unittest
from test import support
from test.support import warnings_helper
import os
import sys


class NoAll(RuntimeError):
    pass

            

Reported by Pylint.

              import sys


class NoAll(RuntimeError):
    pass

class FailedImport(RuntimeError):
    pass


            

Reported by Pylint.

              class NoAll(RuntimeError):
    pass

class FailedImport(RuntimeError):
    pass


class AllTest(unittest.TestCase):


            

Reported by Pylint.

                  pass


class AllTest(unittest.TestCase):

    def check_all(self, modname):
        names = {}
        with warnings_helper.check_warnings(
            (".* (module|package)", DeprecationWarning),

            

Reported by Pylint.

              x: float = i/10

def f():
    class C: ...
    return C()

f().new_attr: object = object()

class C:

            

Reported by Pylint.

                  class C: ...
    return C()

f().new_attr: object = object()

class C:
    def __init__(self, x: int) -> None:
        self.x = x


            

Reported by Pylint.

              f().new_attr: object = object()

class C:
    def __init__(self, x: int) -> None:
        self.x = x

c = C(5)
c.new_attr: int = 10


            

Reported by Pylint.

                      self.x = x

c = C(5)
c.new_attr: int = 10

__annotations__ = {}


@no_type_check

            

Reported by Pylint.

              
@no_type_check
class NTC:
    def meth(self, param: complex) -> None:
        ...

class CV:
    var: ClassVar['CV']


            

Reported by Pylint.

              j: int
x: float = i/10

def f():
    class C: ...
    return C()

f().new_attr: object = object()


            

Reported by Pylint.

              j: int
x: float = i/10

def f():
    class C: ...
    return C()

f().new_attr: object = object()


            

Reported by Pylint.

              x: float = i/10

def f():
    class C: ...
    return C()

f().new_attr: object = object()

class C:

            

Reported by Pylint.

              x: float = i/10

def f():
    class C: ...
    return C()

f().new_attr: object = object()

class C:

            

Reported by Pylint.

              x: float = i/10

def f():
    class C: ...
    return C()

f().new_attr: object = object()

class C:

            

Reported by Pylint.

                      if host is not None:
            self.open(host, port, timeout)

    def open(self, host, port=0, timeout=socket._GLOBAL_DEFAULT_TIMEOUT):
        """Connect to a host.

        The optional second argument is the port number, which
        defaults to the standard telnet port (23).


            

Reported by Pylint.

                          selector.register(sys.stdin, selectors.EVENT_READ)

            while True:
                for key, events in selector.select():
                    if key.fileobj is self:
                        try:
                            text = self.read_eager()
                        except EOFError:
                            print('*** Connection closed by remote host ***')

            

Reported by Pylint.

                          else:
                sys.stdout.flush()

    def expect(self, list, timeout=None):
        """Read until one from a list of a regular expressions matches.

        The first argument is a list of regular expressions, either
        compiled (re.Pattern instances) or uncompiled (strings).
        The optional second argument is a timeout, in seconds; default

            

Reported by Pylint.

                  def __enter__(self):
        return self

    def __exit__(self, type, value, traceback):
        self.close()


def test():
    """Test program for telnetlib.

            

Reported by Pylint.

                  _TelnetSelector = selectors.SelectSelector


class Telnet:

    """Telnet interface class.

    An instance of this class represents a connection to a telnet
    server.  The instance is initially not connected; the open()

            

Reported by Pylint.

                  _TelnetSelector = selectors.SelectSelector


class Telnet:

    """Telnet interface class.

    An instance of this class represents a connection to a telnet
    server.  The instance is initially not connected; the open()

            

Reported by Pylint.

                      self.cookedq = b''
        self.eof = 0
        self.iacseq = b'' # Buffer for IAC sequence.
        self.sb = 0 # flag for SB and SE sequence.
        self.sbdataq = b''
        self.option_callback = None
        if host is not None:
            self.open(host, port, timeout)


            

Reported by Pylint.

                      is closed and no cooked data is available.

        """
        n = len(match)
        self.process_rawq()
        i = self.cookedq.find(match)
        if i >= 0:
            i = i+n
            buf = self.cookedq[:i]

            

Reported by Pylint.

                      """Provide a callback function called after each receipt of a telnet option."""
        self.option_callback = callback

    def process_rawq(self):
        """Transfer from raw queue to cooked queue.

        Set self.eof when connection is closed.  Don't block unless in
        the midst of an IAC sequence.


            

Reported by Pylint.

                      """Provide a callback function called after each receipt of a telnet option."""
        self.option_callback = callback

    def process_rawq(self):
        """Transfer from raw queue to cooked queue.

        Set self.eof when connection is closed.  Don't block unless in
        the midst of an IAC sequence.


            

Reported by Pylint.