# the server created in setUp blocks expecting one to come in.
    if not condition:
        return lambda func: func
    def decorator(func):
        def make_request_and_skip(self):
            self.client.request("GET", "/")
            self.client.getresponse()
            raise unittest.SkipTest(reason)
        return make_request_and_skip

            

Reported by Pylint.

                      class TestClass(object):
            def test_method(self, arg):
                """Test method's docs. This method truly does very little."""
                self.arg = arg

        serv.register_introspection_functions()
        serv.register_instance(TestClass())

        def add(x, y):

            

Reported by Pylint.

              class DocXMLRPCHTTPGETServer(unittest.TestCase):
    def setUp(self):
        # Enable server feedback
        DocXMLRPCServer._send_traceback_header = True

        self.serv = make_server()
        self.thread = threading.Thread(target=self.serv.serve_forever)
        self.thread.start()


            

Reported by Pylint.

                      self.client.close()

        # Disable server feedback
        DocXMLRPCServer._send_traceback_header = False
        self.serv.shutdown()
        self.thread.join()
        self.serv.server_close()

    def test_valid_get_response(self):

            

Reported by Pylint.

              from xmlrpc.server import DocXMLRPCServer
import http.client
import re
import sys
import threading
import unittest

def make_request_and_skipIf(condition, reason):
    # If we skip the test, we have to make a request because

            

Reported by Pylint.

              import threading
import unittest

def make_request_and_skipIf(condition, reason):
    # If we skip the test, we have to make a request because
    # the server created in setUp blocks expecting one to come in.
    if not condition:
        return lambda func: func
    def decorator(func):

            

Reported by Pylint.

              import threading
import unittest

def make_request_and_skipIf(condition, reason):
    # If we skip the test, we have to make a request because
    # the server created in setUp blocks expecting one to come in.
    if not condition:
        return lambda func: func
    def decorator(func):

            

Reported by Pylint.

                  return decorator


def make_server():
    serv = DocXMLRPCServer(("localhost", 0), logRequests=False)

    try:
        # Add some documentation
        serv.set_server_title("DocXMLRPCServer Test Documentation")

            

Reported by Pylint.

                          "can be used by POSTing to /RPC2. Try self.add, too.")

        # Create and register classes and functions
        class TestClass(object):
            def test_method(self, arg):
                """Test method's docs. This method truly does very little."""
                self.arg = arg

        serv.register_introspection_functions()

            

Reported by Pylint.

                          "can be used by POSTing to /RPC2. Try self.add, too.")

        # Create and register classes and functions
        class TestClass(object):
            def test_method(self, arg):
                """Test method's docs. This method truly does very little."""
                self.arg = arg

        serv.register_introspection_functions()

            

Reported by Pylint.

                  wrap_spec,
)

from .resources import util


class CompatibilityFilesTests(unittest.TestCase):
    @property
    def package(self):

            

Reported by Pylint.

              import io
import unittest

from importlib import resources

from importlib._adapters import (
    CompatibilityFiles,
    wrap_spec,
)

            

Reported by Pylint.

              from .resources import util


class CompatibilityFilesTests(unittest.TestCase):
    @property
    def package(self):
        bytes_data = io.BytesIO(b'Hello, world!')
        return util.create_package(
            file=bytes_data,

            

Reported by Pylint.

              
class CompatibilityFilesTests(unittest.TestCase):
    @property
    def package(self):
        bytes_data = io.BytesIO(b'Hello, world!')
        return util.create_package(
            file=bytes_data,
            path='some_path',
            contents=('a', 'b', 'c'),

            

Reported by Pylint.

                      )

    @property
    def files(self):
        return resources.files(self.package)

    def test_spec_path_iter(self):
        self.assertEqual(
            sorted(path.name for path in self.files.iterdir()),

            

Reported by Pylint.

                  def files(self):
        return resources.files(self.package)

    def test_spec_path_iter(self):
        self.assertEqual(
            sorted(path.name for path in self.files.iterdir()),
            ['a', 'b', 'c'],
        )


            

Reported by Pylint.

                          ['a', 'b', 'c'],
        )

    def test_child_path_iter(self):
        self.assertEqual(list((self.files / 'a').iterdir()), [])

    def test_orphan_path_iter(self):
        self.assertEqual(list((self.files / 'a' / 'a').iterdir()), [])
        self.assertEqual(list((self.files / 'a' / 'a' / 'a').iterdir()), [])

            

Reported by Pylint.

                  def test_child_path_iter(self):
        self.assertEqual(list((self.files / 'a').iterdir()), [])

    def test_orphan_path_iter(self):
        self.assertEqual(list((self.files / 'a' / 'a').iterdir()), [])
        self.assertEqual(list((self.files / 'a' / 'a' / 'a').iterdir()), [])

    def test_spec_path_is(self):
        self.assertFalse(self.files.is_file())

            

Reported by Pylint.

                      self.assertEqual(list((self.files / 'a' / 'a').iterdir()), [])
        self.assertEqual(list((self.files / 'a' / 'a' / 'a').iterdir()), [])

    def test_spec_path_is(self):
        self.assertFalse(self.files.is_file())
        self.assertFalse(self.files.is_dir())

    def test_child_path_is(self):
        self.assertTrue((self.files / 'a').is_file())

            

Reported by Pylint.

                      self.assertFalse(self.files.is_file())
        self.assertFalse(self.files.is_dir())

    def test_child_path_is(self):
        self.assertTrue((self.files / 'a').is_file())
        self.assertFalse((self.files / 'a').is_dir())

    def test_orphan_path_is(self):
        self.assertFalse((self.files / 'a' / 'a').is_file())

            

Reported by Pylint.

                      """
        return ('import %s as io ;'
                'infile = io.FileIO(sys.stdin.fileno(), "rb")' %
                self.modname)

    def fail_with_process_info(self, why, stdout=b'', stderr=b'',
                               communicate=True):
        """A common way to cleanup and fail with useful debug output.


            

Reported by Pylint.

                          stdout_end, stderr_end = self._process.communicate()
            stdout += stdout_end
            stderr += stderr_end
        self.fail('Error from IO process %s:\nSTDOUT:\n%sSTDERR:\n%s\n' %
                  (why, stdout.decode(), stderr.decode()))

    def _test_reading(self, data_to_write, read_and_verify_code):
        """Generic buffered read method test harness to validate EINTR behavior.


            

Reported by Pylint.

                          signals_sent += 1
            if signals_sent > 200:
                self._process.kill()
                self.fail('reader process failed to handle our signals.')
        # This assumes anything unexpected that writes to stderr will also
        # write a newline.  That is true of the traceback printing code.
        signal_line = self._process.stderr.readline()
        if signal_line != b'$\n':
            self.fail_with_process_info('while awaiting signal',

            

Reported by Pylint.

                      """Returns the infile = ... line of code to make a BufferedReader."""
        return ('import %s as io ;infile = io.open(sys.stdin.fileno(), "rb") ;'
                'assert isinstance(infile, io.BufferedReader)' %
                self.modname)

    def test_readall(self):
        """BufferedReader.read() must handle signals and not lose data."""
        self._test_reading(
                data_to_write=b'hello\nworld!',

            

Reported by Pylint.

                      return ('import %s as io ;'
                'infile = io.open(sys.stdin.fileno(), encoding="utf-8", newline=None) ;'
                'assert isinstance(infile, io.TextIOWrapper)' %
                self.modname)

    def test_readline(self):
        """readline() must handle signals and not lose data."""
        self._test_reading(
                data_to_write=b'hello, world!',

            

Reported by Pylint.

              import unittest

# Test import all of the things we're about to try testing up front.
import _io
import _pyio


@unittest.skipUnless(os.name == 'posix', 'tests requires a posix system.')
class TestFileIOSignalInterrupt:

            

Reported by Pylint.

              
# Test import all of the things we're about to try testing up front.
import _io
import _pyio


@unittest.skipUnless(os.name == 'posix', 'tests requires a posix system.')
class TestFileIOSignalInterrupt:
    def setUp(self):

            

Reported by Pylint.

              # Written to test interrupted system calls interfering with our many buffered
# IO implementations.  http://bugs.python.org/issue12268
#
# It was suggested that this code could be merged into test_io and the tests
# made to work using the same method as the existing signal tests in test_io.
# I was unable to get single process tests using alarm or setitimer that way
# to reproduce the EINTR problems.  This process based test suite reproduces
# the problems prior to the issue12268 patch reliably on Linux and OSX.
#  - gregory.p.smith

            

Reported by Pylint.

              import os
import select
import signal
import subprocess
import sys
import time
import unittest

# Test import all of the things we're about to try testing up front.

            

Reported by Bandit.

              

@unittest.skipUnless(os.name == 'posix', 'tests requires a posix system.')
class TestFileIOSignalInterrupt:
    def setUp(self):
        self._process = None

    def tearDown(self):
        if self._process and self._process.poll() is None:

            

Reported by Pylint.

              
class Codec(codecs.Codec):

    def encode(self,input,errors='strict'):
        return codecs.charmap_encode(input,errors,encoding_table)

    def decode(self,input,errors='strict'):
        return codecs.charmap_decode(input,errors,decoding_table)


            

Reported by Pylint.

                  def encode(self,input,errors='strict'):
        return codecs.charmap_encode(input,errors,encoding_table)

    def decode(self,input,errors='strict'):
        return codecs.charmap_decode(input,errors,decoding_table)

class IncrementalEncoder(codecs.IncrementalEncoder):
    def encode(self, input, final=False):
        return codecs.charmap_encode(input,self.errors,encoding_table)[0]

            

Reported by Pylint.

                      return codecs.charmap_decode(input,errors,decoding_table)

class IncrementalEncoder(codecs.IncrementalEncoder):
    def encode(self, input, final=False):
        return codecs.charmap_encode(input,self.errors,encoding_table)[0]

class IncrementalDecoder(codecs.IncrementalDecoder):
    def decode(self, input, final=False):
        return codecs.charmap_decode(input,self.errors,decoding_table)[0]

            

Reported by Pylint.

                      return codecs.charmap_encode(input,self.errors,encoding_table)[0]

class IncrementalDecoder(codecs.IncrementalDecoder):
    def decode(self, input, final=False):
        return codecs.charmap_decode(input,self.errors,decoding_table)[0]

class StreamWriter(Codec,codecs.StreamWriter):
    pass


            

Reported by Pylint.

              """ Python Character Mapping Codec mac_farsi generated from 'MAPPINGS/VENDORS/APPLE/FARSI.TXT' with gencodec.py.

"""#"

import codecs

### Codec APIs

class Codec(codecs.Codec):

            

Reported by Pylint.

              
### Codec APIs

class Codec(codecs.Codec):

    def encode(self,input,errors='strict'):
        return codecs.charmap_encode(input,errors,encoding_table)

    def decode(self,input,errors='strict'):

            

Reported by Pylint.

                  def decode(self,input,errors='strict'):
        return codecs.charmap_decode(input,errors,decoding_table)

class IncrementalEncoder(codecs.IncrementalEncoder):
    def encode(self, input, final=False):
        return codecs.charmap_encode(input,self.errors,encoding_table)[0]

class IncrementalDecoder(codecs.IncrementalDecoder):
    def decode(self, input, final=False):

            

Reported by Pylint.

                  def encode(self, input, final=False):
        return codecs.charmap_encode(input,self.errors,encoding_table)[0]

class IncrementalDecoder(codecs.IncrementalDecoder):
    def decode(self, input, final=False):
        return codecs.charmap_decode(input,self.errors,decoding_table)[0]

class StreamWriter(Codec,codecs.StreamWriter):
    pass

            

Reported by Pylint.

                  def decode(self, input, final=False):
        return codecs.charmap_decode(input,self.errors,decoding_table)[0]

class StreamWriter(Codec,codecs.StreamWriter):
    pass

class StreamReader(Codec,codecs.StreamReader):
    pass


            

Reported by Pylint.

              class StreamWriter(Codec,codecs.StreamWriter):
    pass

class StreamReader(Codec,codecs.StreamReader):
    pass

### encodings module API

def getregentry():

            

Reported by Pylint.

              
        for button, printer, name in button_sources:
            with self.subTest(name=name):
                printer._Printer__setup()
                button.invoke()
                get = dialog._current_textview.viewframe.textframe.text.get
                lines = printer._Printer__lines
                if len(lines) < 2:
                    self.fail(name + ' full text was not found')

            

Reported by Pylint.

                              printer._Printer__setup()
                button.invoke()
                get = dialog._current_textview.viewframe.textframe.text.get
                lines = printer._Printer__lines
                if len(lines) < 2:
                    self.fail(name + ' full text was not found')
                self.assertEqual(lines[0], get('1.0', '1.end'))
                self.assertEqual(lines[1], get('2.0', '2.end'))
                dialog._current_textview.destroy()

            

Reported by Pylint.

              
    def test_dialog_logo(self):
        """Test about dialog logo."""
        path, file = os.path.split(self.dialog.icon_image['file'])
        fn, ext = os.path.splitext(file)
        self.assertEqual(fn, 'idle_48')

    def test_printer_buttons(self):
        """Test buttons whose commands use printer function."""

            

Reported by Pylint.

                  def test_dialog_logo(self):
        """Test about dialog logo."""
        path, file = os.path.split(self.dialog.icon_image['file'])
        fn, ext = os.path.splitext(file)
        self.assertEqual(fn, 'idle_48')

    def test_printer_buttons(self):
        """Test buttons whose commands use printer function."""
        dialog = self.dialog

            

Reported by Pylint.

              
        for button, printer, name in button_sources:
            with self.subTest(name=name):
                printer._Printer__setup()
                button.invoke()
                get = dialog._current_textview.viewframe.textframe.text.get
                lines = printer._Printer__lines
                if len(lines) < 2:
                    self.fail(name + ' full text was not found')

            

Reported by Pylint.

                          with self.subTest(name=name):
                printer._Printer__setup()
                button.invoke()
                get = dialog._current_textview.viewframe.textframe.text.get
                lines = printer._Printer__lines
                if len(lines) < 2:
                    self.fail(name + ' full text was not found')
                self.assertEqual(lines[0], get('1.0', '1.end'))
                self.assertEqual(lines[1], get('2.0', '2.end'))

            

Reported by Pylint.

                              printer._Printer__setup()
                button.invoke()
                get = dialog._current_textview.viewframe.textframe.text.get
                lines = printer._Printer__lines
                if len(lines) < 2:
                    self.fail(name + ' full text was not found')
                self.assertEqual(lines[0], get('1.0', '1.end'))
                self.assertEqual(lines[1], get('2.0', '2.end'))
                dialog._current_textview.destroy()

            

Reported by Pylint.

                                  self.fail(name + ' full text was not found')
                self.assertEqual(lines[0], get('1.0', '1.end'))
                self.assertEqual(lines[1], get('2.0', '2.end'))
                dialog._current_textview.destroy()

    def test_file_buttons(self):
        """Test buttons that display files."""
        dialog = self.dialog
        button_sources = [(self.dialog.readme, 'README.txt', 'readme'),

            

Reported by Pylint.

                          with  self.subTest(name=name):
                button.invoke()
                fn = findfile(filename, subdir='idlelib')
                get = dialog._current_textview.viewframe.textframe.text.get
                with open(fn, encoding='utf-8') as f:
                    self.assertEqual(f.readline().strip(), get('1.0', '1.end'))
                    f.readline()
                    self.assertEqual(f.readline().strip(), get('3.0', '3.end'))
                dialog._current_textview.destroy()

            

Reported by Pylint.

                                  self.assertEqual(f.readline().strip(), get('1.0', '1.end'))
                    f.readline()
                    self.assertEqual(f.readline().strip(), get('3.0', '3.end'))
                dialog._current_textview.destroy()


class DefaultTitleTest(unittest.TestCase):
    "Test default title."


            

Reported by Pylint.

              
### Codec APIs

def zlib_encode(input, errors='strict'):
    assert errors == 'strict'
    return (zlib.compress(input), len(input))

def zlib_decode(input, errors='strict'):
    assert errors == 'strict'

            

Reported by Pylint.

                  assert errors == 'strict'
    return (zlib.compress(input), len(input))

def zlib_decode(input, errors='strict'):
    assert errors == 'strict'
    return (zlib.decompress(input), len(input))

class Codec(codecs.Codec):
    def encode(self, input, errors='strict'):

            

Reported by Pylint.

                  return (zlib.decompress(input), len(input))

class Codec(codecs.Codec):
    def encode(self, input, errors='strict'):
        return zlib_encode(input, errors)
    def decode(self, input, errors='strict'):
        return zlib_decode(input, errors)

class IncrementalEncoder(codecs.IncrementalEncoder):

            

Reported by Pylint.

              class Codec(codecs.Codec):
    def encode(self, input, errors='strict'):
        return zlib_encode(input, errors)
    def decode(self, input, errors='strict'):
        return zlib_decode(input, errors)

class IncrementalEncoder(codecs.IncrementalEncoder):
    def __init__(self, errors='strict'):
        assert errors == 'strict'

            

Reported by Pylint.

                      return zlib_decode(input, errors)

class IncrementalEncoder(codecs.IncrementalEncoder):
    def __init__(self, errors='strict'):
        assert errors == 'strict'
        self.errors = errors
        self.compressobj = zlib.compressobj()

    def encode(self, input, final=False):

            

Reported by Pylint.

                      self.errors = errors
        self.compressobj = zlib.compressobj()

    def encode(self, input, final=False):
        if final:
            c = self.compressobj.compress(input)
            return c + self.compressobj.flush()
        else:
            return self.compressobj.compress(input)

            

Reported by Pylint.

                      self.compressobj = zlib.compressobj()

class IncrementalDecoder(codecs.IncrementalDecoder):
    def __init__(self, errors='strict'):
        assert errors == 'strict'
        self.errors = errors
        self.decompressobj = zlib.decompressobj()

    def decode(self, input, final=False):

            

Reported by Pylint.

                      self.errors = errors
        self.decompressobj = zlib.decompressobj()

    def decode(self, input, final=False):
        if final:
            c = self.decompressobj.decompress(input)
            return c + self.decompressobj.flush()
        else:
            return self.decompressobj.decompress(input)

            

Reported by Pylint.

              
### Codec APIs

def zlib_encode(input, errors='strict'):
    assert errors == 'strict'
    return (zlib.compress(input), len(input))

def zlib_decode(input, errors='strict'):
    assert errors == 'strict'

            

Reported by Pylint.

              ### Codec APIs

def zlib_encode(input, errors='strict'):
    assert errors == 'strict'
    return (zlib.compress(input), len(input))

def zlib_decode(input, errors='strict'):
    assert errors == 'strict'
    return (zlib.decompress(input), len(input))

            

Reported by Bandit.

              def isfile(path):
    """Test whether a path is a regular file"""
    try:
        st = os.stat(path)
    except (OSError, ValueError):
        return False
    return stat.S_ISREG(st.st_mode)



            

Reported by Pylint.

              # Is a path a directory?
# This follows symbolic links, so both islink() and isdir()
# can be true for the same path on systems that support symlinks
def isdir(s):
    """Return true if the pathname refers to an existing directory."""
    try:
        st = os.stat(s)
    except (OSError, ValueError):
        return False

            

Reported by Pylint.

              def isdir(s):
    """Return true if the pathname refers to an existing directory."""
    try:
        st = os.stat(s)
    except (OSError, ValueError):
        return False
    return stat.S_ISDIR(st.st_mode)



            

Reported by Pylint.

              

# Return the longest prefix of all list elements.
def commonprefix(m):
    "Given a list of pathnames, returns the longest common leading component"
    if not m: return ''
    # Some people pass in a list of pathname parts to operate in an OS-agnostic
    # fashion; don't try to translate in that case as that's an abuse of the
    # API and they are already doing what they need to be OS-agnostic and so

            

Reported by Pylint.

              # Return the longest prefix of all list elements.
def commonprefix(m):
    "Given a list of pathnames, returns the longest common leading component"
    if not m: return ''
    # Some people pass in a list of pathname parts to operate in an OS-agnostic
    # fashion; don't try to translate in that case as that's an abuse of the
    # API and they are already doing what they need to be OS-agnostic and so
    # they most likely won't be using an os.PathLike object in the sublists.
    if not isinstance(m[0], (list, tuple)):

            

Reported by Pylint.

                  # they most likely won't be using an os.PathLike object in the sublists.
    if not isinstance(m[0], (list, tuple)):
        m = tuple(map(os.fspath, m))
    s1 = min(m)
    s2 = max(m)
    for i, c in enumerate(s1):
        if c != s2[i]:
            return s1[:i]
    return s1

            

Reported by Pylint.

                  if not isinstance(m[0], (list, tuple)):
        m = tuple(map(os.fspath, m))
    s1 = min(m)
    s2 = max(m)
    for i, c in enumerate(s1):
        if c != s2[i]:
            return s1[:i]
    return s1


            

Reported by Pylint.

                      m = tuple(map(os.fspath, m))
    s1 = min(m)
    s2 = max(m)
    for i, c in enumerate(s1):
        if c != s2[i]:
            return s1[:i]
    return s1

# Are two stat buffers (obtained from stat, fstat or lstat)

            

Reported by Pylint.

              
# Are two stat buffers (obtained from stat, fstat or lstat)
# describing the same file?
def samestat(s1, s2):
    """Test whether two stat buffers reference the same file"""
    return (s1.st_ino == s2.st_ino and
            s1.st_dev == s2.st_dev)



            

Reported by Pylint.

              
# Are two stat buffers (obtained from stat, fstat or lstat)
# describing the same file?
def samestat(s1, s2):
    """Test whether two stat buffers reference the same file"""
    return (s1.st_ino == s2.st_ino and
            s1.st_dev == s2.st_dev)



            

Reported by Pylint.

              </slideshow>
"""

dom = xml.dom.minidom.parseString(document)

def getText(nodelist):
    rc = []
    for node in nodelist:
        if node.nodeType == node.TEXT_NODE:

            

Reported by Bandit.

              import xml.dom.minidom

document = """\
<slideshow>
<title>Demo slideshow</title>
<slide><title>Slide title</title>
<point>This is a demo</point>
<point>Of a program for processing slides</point>
</slide>

            

Reported by Bandit.

              import xml.dom.minidom

document = """\
<slideshow>
<title>Demo slideshow</title>
<slide><title>Slide title</title>
<point>This is a demo</point>
<point>Of a program for processing slides</point>
</slide>

            

Reported by Pylint.

              import xml.dom.minidom

document = """\
<slideshow>
<title>Demo slideshow</title>
<slide><title>Slide title</title>
<point>This is a demo</point>
<point>Of a program for processing slides</point>
</slide>

            

Reported by Pylint.

              import xml.dom.minidom

document = """\
<slideshow>
<title>Demo slideshow</title>
<slide><title>Slide title</title>
<point>This is a demo</point>
<point>Of a program for processing slides</point>
</slide>

            

Reported by Pylint.

              
dom = xml.dom.minidom.parseString(document)

def getText(nodelist):
    rc = []
    for node in nodelist:
        if node.nodeType == node.TEXT_NODE:
            rc.append(node.data)
    return ''.join(rc)

            

Reported by Pylint.

              
dom = xml.dom.minidom.parseString(document)

def getText(nodelist):
    rc = []
    for node in nodelist:
        if node.nodeType == node.TEXT_NODE:
            rc.append(node.data)
    return ''.join(rc)

            

Reported by Pylint.

              dom = xml.dom.minidom.parseString(document)

def getText(nodelist):
    rc = []
    for node in nodelist:
        if node.nodeType == node.TEXT_NODE:
            rc.append(node.data)
    return ''.join(rc)


            

Reported by Pylint.

                          rc.append(node.data)
    return ''.join(rc)

def handleSlideshow(slideshow):
    print("<html>")
    handleSlideshowTitle(slideshow.getElementsByTagName("title")[0])
    slides = slideshow.getElementsByTagName("slide")
    handleToc(slides)
    handleSlides(slides)

            

Reported by Pylint.

                          rc.append(node.data)
    return ''.join(rc)

def handleSlideshow(slideshow):
    print("<html>")
    handleSlideshowTitle(slideshow.getElementsByTagName("title")[0])
    slides = slideshow.getElementsByTagName("slide")
    handleToc(slides)
    handleSlides(slides)

            

Reported by Pylint.

              
def getaddresses(fieldvalues):
    """Return a list of (REALNAME, EMAIL) for each fieldvalue."""
    all = COMMASPACE.join(str(v) for v in fieldvalues)
    a = _AddressList(all)
    return a.addresslist


def _format_timetuple_and_zone(timetuple, zone):

            

Reported by Pylint.

                      timetuple[0], timetuple[3], timetuple[4], timetuple[5],
        zone)

def formatdate(timeval=None, localtime=False, usegmt=False):
    """Returns a date string as specified by RFC 2822, e.g.:

    Fri, 09 Nov 2001 01:08:47 -0000

    Optional timeval if given is a floating point time value as accepted by

            

Reported by Pylint.

              

# rfc822.unquote() doesn't properly de-backslash-ify in Python pre-2.3.
def unquote(str):
    """Remove quotes from a string."""
    if len(str) > 1:
        if str.startswith('"') and str.endswith('"'):
            return str[1:-1].replace('\\\\', '\\').replace('\\"', '"')
        if str.startswith('<') and str.endswith('>'):

            

Reported by Pylint.

                  # While value comes to us as a unicode string, we need it to be a bytes
    # object.  We do not want bytes() normal utf-8 decoder, we want a straight
    # interpretation of the string as character bytes.
    charset, language, text = value
    if charset is None:
        # Issue 17369: if charset/lang is None, decode_rfc2231 couldn't parse
        # the value, so use the fallback_charset.
        charset = fallback_charset
    rawbytes = bytes(text, 'raw-unicode-escape')

            

Reported by Pylint.

              specialsre = re.compile(r'[][\\()<>@,:;".]')
escapesre = re.compile(r'[\\"]')

def _has_surrogates(s):
    """Return True if s contains surrogate-escaped binary data."""
    # This check is based on the fact that unless there are surrogates, utf8
    # (Python's default encoding) can encode any string.  This is the fastest
    # way to check for surrogates, see issue 11454 for timings.
    try:

            

Reported by Pylint.

              def getaddresses(fieldvalues):
    """Return a list of (REALNAME, EMAIL) for each fieldvalue."""
    all = COMMASPACE.join(str(v) for v in fieldvalues)
    a = _AddressList(all)
    return a.addresslist


def _format_timetuple_and_zone(timetuple, zone):
    return '%s, %02d %s %04d %02d:%02d:%02d %s' % (

            

Reported by Pylint.

                  if timeval is None:
        timeval = time.time()
    if localtime or usegmt:
        dt = datetime.datetime.fromtimestamp(timeval, datetime.timezone.utc)
    else:
        dt = datetime.datetime.utcfromtimestamp(timeval)
    if localtime:
        dt = dt.astimezone()
        usegmt = False

            

Reported by Pylint.

                  if localtime or usegmt:
        dt = datetime.datetime.fromtimestamp(timeval, datetime.timezone.utc)
    else:
        dt = datetime.datetime.utcfromtimestamp(timeval)
    if localtime:
        dt = dt.astimezone()
        usegmt = False
    return format_datetime(dt, usegmt)


            

Reported by Pylint.

                  else:
        dt = datetime.datetime.utcfromtimestamp(timeval)
    if localtime:
        dt = dt.astimezone()
        usegmt = False
    return format_datetime(dt, usegmt)

def format_datetime(dt, usegmt=False):
    """Turn a datetime into a date string as specified in RFC 2822.

            

Reported by Pylint.

                      usegmt = False
    return format_datetime(dt, usegmt)

def format_datetime(dt, usegmt=False):
    """Turn a datetime into a date string as specified in RFC 2822.

    If usegmt is True, dt must be an aware datetime with an offset of zero.  In
    this case 'GMT' will be rendered instead of the normal +0000 required by
    RFC2822.  This is to support HTTP headers involving date stamps.

            

Reported by Pylint.

                  import functools, operator
    return functools.reduce, (operator.or_, obj.__args__)

pickle(type(int | str), pickle_union)

# Support for pickling new-style objects

def _reconstructor(cls, base, state):
    if base is object:

            

Reported by Pylint.

                  if constructor_ob is not None:
        constructor(constructor_ob)

def constructor(object):
    if not callable(object):
        raise TypeError("constructors must be callable")

# Example: provide pickling support for complex numbers.


            

Reported by Pylint.

                                          f"defining __getstate__ cannot be pickled "
                            f"with protocol {proto}") from None
        try:
            dict = self.__dict__
        except AttributeError:
            dict = None
    else:
        dict = getstate()
    if dict:

            

Reported by Pylint.

                  # Cache the outcome in the class if at all possible
    try:
        cls.__slotnames__ = names
    except:
        pass # But don't die if we can't

    return names

# A registry of extension codes.  This is an ad-hoc compression

            

Reported by Pylint.

              
dispatch_table = {}

def pickle(ob_type, pickle_function, constructor_ob=None):
    if not callable(pickle_function):
        raise TypeError("reduction functions must be callable")
    dispatch_table[ob_type] = pickle_function

    # The constructor_ob function is a vestige of safe for unpickling.

            

Reported by Pylint.

                  if constructor_ob is not None:
        constructor(constructor_ob)

def constructor(object):
    if not callable(object):
        raise TypeError("constructors must be callable")

# Example: provide pickling support for complex numbers.


            

Reported by Pylint.

                  pass
else:

    def pickle_complex(c):
        return complex, (c.real, c.imag)

    pickle(complex, pickle_complex, complex)

def pickle_union(obj):

            

Reported by Pylint.

                  pass
else:

    def pickle_complex(c):
        return complex, (c.real, c.imag)

    pickle(complex, pickle_complex, complex)

def pickle_union(obj):

            

Reported by Pylint.

                  def pickle_complex(c):
        return complex, (c.real, c.imag)

    pickle(complex, pickle_complex, complex)

def pickle_union(obj):
    import functools, operator
    return functools.reduce, (operator.or_, obj.__args__)


            

Reported by Bandit.

              
    pickle(complex, pickle_complex, complex)

def pickle_union(obj):
    import functools, operator
    return functools.reduce, (operator.or_, obj.__args__)

pickle(type(int | str), pickle_union)


            

Reported by Pylint.