The following issues were found

Lib/test/test_sys_setprofile.py
174 issues
Instance of 'TestCaseBase' has no 'new_watcher' member
Error

Line: 93 Column: 43

              
class TestCaseBase(unittest.TestCase):
    def check_events(self, callable, expected):
        events = capture_events(callable, self.new_watcher())
        if events != expected:
            self.fail("Expected events:\n%s\nReceived events:\n%s"
                      % (pprint.pformat(expected), pprint.pformat(events)))



            

Reported by Pylint.

Unused argument 'args'
Error

Line: 18 Column: 1

                      self.assertIsNone(sys.getprofile())

    def test_setget(self):
        def fn(*args):
            pass

        sys.setprofile(fn)
        self.assertIs(sys.getprofile(), fn)


            

Reported by Pylint.

Unused argument 'arg'
Error

Line: 29 Column: 38

                      self.frames = []
        self.events = []

    def callback(self, frame, event, arg):
        if (event == "call"
            or event == "return"
            or event == "exception"):
            self.add_event(event, frame)


            

Reported by Pylint.

Access to a protected member _getframe of a client class
Error

Line: 38 Column: 21

                  def add_event(self, event, frame=None):
        """Add an event to the log."""
        if frame is None:
            frame = sys._getframe(1)

        try:
            frameno = self.frames.index(frame)
        except ValueError:
            frameno = len(self.frames)

            

Reported by Pylint.

Unused argument 'frame'
Error

Line: 74 Column: 31

                      self.add_event('return', frame)
        self.stack.pop()

    def trace_exception(self, frame):
        self.testcase.fail(
            "the profiler should never receive exception events")

    def trace_pass(self, frame):
        pass

            

Reported by Pylint.

Redefining built-in 'callable'
Error

Line: 92 Column: 28

              

class TestCaseBase(unittest.TestCase):
    def check_events(self, callable, expected):
        events = capture_events(callable, self.new_watcher())
        if events != expected:
            self.fail("Expected events:\n%s\nReceived events:\n%s"
                      % (pprint.pformat(expected), pprint.pformat(events)))


            

Reported by Pylint.

Unused argument 'p'
Error

Line: 104 Column: 15

                      return HookWatcher()

    def test_simple(self):
        def f(p):
            pass
        f_ident = ident(f)
        self.check_events(f, [(1, 'call', f_ident),
                              (1, 'return', f_ident),
                              ])

            

Reported by Pylint.

Unused argument 'p'
Error

Line: 112 Column: 15

                                            ])

    def test_exception(self):
        def f(p):
            1/0
        f_ident = ident(f)
        self.check_events(f, [(1, 'call', f_ident),
                              (1, 'return', f_ident),
                              ])

            

Reported by Pylint.

Statement seems to have no effect
Error

Line: 113 Column: 13

              
    def test_exception(self):
        def f(p):
            1/0
        f_ident = ident(f)
        self.check_events(f, [(1, 'call', f_ident),
                              (1, 'return', f_ident),
                              ])


            

Reported by Pylint.

Unused argument 'p'
Error

Line: 120 Column: 15

                                            ])

    def test_caught_exception(self):
        def f(p):
            try: 1/0
            except: pass
        f_ident = ident(f)
        self.check_events(f, [(1, 'call', f_ident),
                              (1, 'return', f_ident),

            

Reported by Pylint.

Lib/test/test_zlib.py
173 issues
Instance of 'BaseCompressTestCase' has no 'assertEqual' member
Error

Line: 163 Column: 13

                      data = decompress_func(compressed)
        # Sanity check
        try:
            self.assertEqual(len(data), size)
            self.assertEqual(len(data.strip(b'x')), 0)
        finally:
            data = None



            

Reported by Pylint.

Instance of 'BaseCompressTestCase' has no 'assertEqual' member
Error

Line: 164 Column: 13

                      # Sanity check
        try:
            self.assertEqual(len(data), size)
            self.assertEqual(len(data.strip(b'x')), 0)
        finally:
            data = None


class CompressTestCase(BaseCompressTestCase, unittest.TestCase):

            

Reported by Pylint.

Unused argument 'size'
Error

Line: 82 Column: 31

              class ChecksumBigBufferTestCase(unittest.TestCase):

    @bigmemtest(size=_4G + 4, memuse=1, dry_run=False)
    def test_big_buffer(self, size):
        data = b"nyan" * (_1G + 1)
        self.assertEqual(zlib.crc32(data), 1044521549)
        self.assertEqual(zlib.adler32(data), 2256789997)



            

Reported by Pylint.

Unused variable 'combuf'
Error

Line: 299 Column: 9

                      for i in range(0, len(data), 256):
            bufs.append(co.compress(data[i:i+256]))
        bufs.append(co.flush())
        combuf = b''.join(bufs)

        dco = zlib.decompressobj()
        y1 = dco.decompress(b''.join(bufs))
        y2 = dco.flush()
        self.assertEqual(data, y1 + y2)

            

Reported by Pylint.

Reimport 'random' (imported line 7)
Error

Line: 478 Column: 9

                                       'requires zlib.Z_SYNC_FLUSH')
    def test_odd_flush(self):
        # Test for odd flushing bugs noted in 2.0, and hopefully fixed in 2.1
        import random
        # Testing on 17K of "random" data

        # Create compressor and decompressor objects
        co = zlib.compressobj(zlib.Z_BEST_COMPRESSION)
        dco = zlib.decompressobj()

            

Reported by Pylint.

Redefining name 'random' from outer scope (line 7)
Error

Line: 478 Column: 9

                                       'requires zlib.Z_SYNC_FLUSH')
    def test_odd_flush(self):
        # Test for odd flushing bugs noted in 2.0, and hopefully fixed in 2.1
        import random
        # Testing on 17K of "random" data

        # Create compressor and decompressor objects
        co = zlib.compressobj(zlib.Z_BEST_COMPRESSION)
        dco = zlib.decompressobj()

            

Reported by Pylint.

Redefining built-in 'input'
Error

Line: 630 Column: 9

                  @bigmemtest(size=_4G, memuse=1)
    def test_flush_large_length(self, size):
        # Test flush(length) parameter greater than internal limit UINT_MAX
        input = HAMLET_SCENE * 10
        data = zlib.compress(input, 1)
        dco = zlib.decompressobj()
        dco.decompress(data, 1)
        self.assertEqual(dco.flush(size), input[1:])


            

Reported by Pylint.

Redefining built-in 'input'
Error

Line: 637 Column: 9

                      self.assertEqual(dco.flush(size), input[1:])

    def test_flush_custom_length(self):
        input = HAMLET_SCENE * 10
        data = zlib.compress(input, 1)
        dco = zlib.decompressobj()
        dco.decompress(data, 1)
        self.assertEqual(dco.flush(CustomInt()), input[1:])


            

Reported by Pylint.

Missing module docstring
Error

Line: 1 Column: 1

              import unittest
from test import support
from test.support import import_helper
import binascii
import copy
import pickle
import random
import sys
from test.support import bigmemtest, _1G, _4G

            

Reported by Pylint.

Consider possible security implications associated with pickle module.
Security blacklist

Line: 6
Suggestion: https://bandit.readthedocs.io/en/latest/blacklists/blacklist_imports.html#b403-import-pickle

              from test.support import import_helper
import binascii
import copy
import pickle
import random
import sys
from test.support import bigmemtest, _1G, _4G



            

Reported by Bandit.

Lib/unittest/mock.py
173 issues
Non-iterable value call_args is used in an iterating context
Error

Line: 809 Column: 59

                      message = 'expected %s not found.\nExpected: %s\nActual: %s'
        expected_string = self._format_mock_call_signature(args, kwargs)
        call_args = self.call_args
        actual_string = self._format_mock_call_signature(*call_args)
        return message % (action, expected_string, actual_string)


    def _get_call_signature_from_name(self, name):
        """

            

Reported by Pylint.

Instance of 'CallableMixin' has no 'call_count' member
Error

Line: 1114 Column: 9

              
    def _increment_mock_call(self, /, *args, **kwargs):
        self.called = True
        self.call_count += 1

        # handle call_args
        # needs to be set here so assertions on call arguments pass before
        # execution in the case of awaited calls
        _call = _Call((args, kwargs), two=True)

            

Reported by Pylint.

Module 'inspect' has no 'CO_COROUTINE' member
Error

Line: 2174 Column: 30

                      self.__dict__['_mock_await_args'] = None
        self.__dict__['_mock_await_args_list'] = _CallList()
        code_mock = NonCallableMock(spec_set=CodeType)
        code_mock.co_flags = inspect.CO_COROUTINE
        self.__dict__['__code__'] = code_mock

    async def _execute_mock_call(self, /, *args, **kwargs):
        # This is nearly just like super(), except for special handling
        # of coroutines

            

Reported by Pylint.

Module 'inspect' has no 'CO_ITERABLE_COROUTINE' member
Error

Line: 2927 Column: 30

                  def __init__(self, iterator):
        self.iterator = iterator
        code_mock = NonCallableMock(spec_set=CodeType)
        code_mock.co_flags = inspect.CO_ITERABLE_COROUTINE
        self.__dict__['__code__'] = code_mock

    async def __anext__(self):
        try:
            return next(self.iterator)

            

Reported by Pylint.

Unused argument 'self'
Error

Line: 123 Column: 18

                  if sig is None:
        return
    func, sig = sig
    def checksig(self, /, *args, **kwargs):
        sig.bind(*args, **kwargs)
    _copy_func_details(func, checksig)
    type(mock)._mock_check_sig = checksig
    type(mock).__signature__ = sig


            

Reported by Pylint.

Access to a protected member _mock_check_sig of a client class
Error

Line: 126 Column: 5

                  def checksig(self, /, *args, **kwargs):
        sig.bind(*args, **kwargs)
    _copy_func_details(func, checksig)
    type(mock)._mock_check_sig = checksig
    type(mock).__signature__ = sig


def _copy_func_details(func, funcopy):
    # we explicitly don't copy func.__dict__ into this copy as it would

            

Reported by Pylint.

Use of exec detected.
Security

Line: 195
Suggestion: https://bandit.readthedocs.io/en/latest/plugins/b102_exec_used.html

                  src = """def %s(*args, **kwargs):
    _checksig_(*args, **kwargs)
    return mock(*args, **kwargs)""" % name
    exec (src, context)
    funcopy = context[name]
    _setup_func(funcopy, mock, sig)
    return funcopy



            

Reported by Bandit.

Use of exec
Error

Line: 195 Column: 5

                  src = """def %s(*args, **kwargs):
    _checksig_(*args, **kwargs)
    return mock(*args, **kwargs)""" % name
    exec (src, context)
    funcopy = context[name]
    _setup_func(funcopy, mock, sig)
    return funcopy



            

Reported by Pylint.

Access to a protected member _mock_children of a client class
Error

Line: 235 Column: 30

              
    funcopy.return_value = mock.return_value
    funcopy.side_effect = mock.side_effect
    funcopy._mock_children = mock._mock_children

    funcopy.assert_called_with = assert_called_with
    funcopy.assert_called_once_with = assert_called_once_with
    funcopy.assert_has_calls = assert_has_calls
    funcopy.assert_any_call = assert_any_call

            

Reported by Pylint.

Access to a protected member _mock_children of a client class
Error

Line: 235 Column: 5

              
    funcopy.return_value = mock.return_value
    funcopy.side_effect = mock.side_effect
    funcopy._mock_children = mock._mock_children

    funcopy.assert_called_with = assert_called_with
    funcopy.assert_called_once_with = assert_called_once_with
    funcopy.assert_has_calls = assert_has_calls
    funcopy.assert_any_call = assert_any_call

            

Reported by Pylint.

Lib/test/test_urlparse.py
173 issues
Probable insecure usage of temp file/directory.
Security

Line: 146
Suggestion: https://bandit.readthedocs.io/en/latest/plugins/b108_hardcoded_tmp_directory.html

                  def test_roundtrips(self):
        str_cases = [
            ('file:///tmp/junk.txt',
             ('file', '', '/tmp/junk.txt', '', '', ''),
             ('file', '', '/tmp/junk.txt', '', '')),
            ('imap://mail.python.org/mbox1',
             ('imap', 'mail.python.org', '/mbox1', '', '', ''),
             ('imap', 'mail.python.org', '/mbox1', '', '')),
            ('mms://wms.sys.hinet.net/cts/Drama/09006251100.asf',

            

Reported by Bandit.

Probable insecure usage of temp file/directory.
Security

Line: 147
Suggestion: https://bandit.readthedocs.io/en/latest/plugins/b108_hardcoded_tmp_directory.html

                      str_cases = [
            ('file:///tmp/junk.txt',
             ('file', '', '/tmp/junk.txt', '', '', ''),
             ('file', '', '/tmp/junk.txt', '', '')),
            ('imap://mail.python.org/mbox1',
             ('imap', 'mail.python.org', '/mbox1', '', '', ''),
             ('imap', 'mail.python.org', '/mbox1', '', '')),
            ('mms://wms.sys.hinet.net/cts/Drama/09006251100.asf',
             ('mms', 'wms.sys.hinet.net', '/cts/Drama/09006251100.asf',

            

Reported by Bandit.

Unused variable 'bytes_components'
Error

Line: 219 Column: 9

                  def checkJoin(self, base, relurl, expected):
        str_components = (base, relurl, expected)
        self.assertEqual(urllib.parse.urljoin(base, relurl), expected)
        bytes_components = baseb, relurlb, expectedb = [
                            x.encode('ascii') for x in str_components]
        self.assertEqual(urllib.parse.urljoin(baseb, relurlb), expectedb)

    def test_unparse_parse(self):
        str_cases = ['Python', './Python','x-newscheme://foo.com/stuff','x://y','x:/y','x:/','/',]

            

Reported by Pylint.

XXX: The following tests are no longer compatible with RFC3986
Error

Line: 271 Column: 3

                      #self.checkJoin(RFC1808_BASE, 'http:g', 'http:g')
        #self.checkJoin(RFC1808_BASE, 'http:', 'http:')

        # XXX: The following tests are no longer compatible with RFC3986
        # self.checkJoin(RFC1808_BASE, '../../../g', 'http://a/../g')
        # self.checkJoin(RFC1808_BASE, '../../../../g', 'http://a/../../g')
        # self.checkJoin(RFC1808_BASE, '/./g', 'http://a/./g')
        # self.checkJoin(RFC1808_BASE, '/../g', 'http://a/../g')


            

Reported by Pylint.

XXX: The following tests are no longer compatible with RFC3986
Error

Line: 322 Column: 3

                      self.checkJoin(RFC2396_BASE, 'g#s/./x', 'http://a/b/c/g#s/./x')
        self.checkJoin(RFC2396_BASE, 'g#s/../x', 'http://a/b/c/g#s/../x')

        # XXX: The following tests are no longer compatible with RFC3986
        # self.checkJoin(RFC2396_BASE, '../../../g', 'http://a/../g')
        # self.checkJoin(RFC2396_BASE, '../../../../g', 'http://a/../../g')
        # self.checkJoin(RFC2396_BASE, '/./g', 'http://a/./g')
        # self.checkJoin(RFC2396_BASE, '/../g', 'http://a/../g')


            

Reported by Pylint.

XXX: The following tests are no longer compatible with RFC3986
Error

Line: 421 Column: 3

                      self.checkJoin('ws://a/b','g','ws://a/g')
        self.checkJoin('wss://a/b','g','wss://a/g')

        # XXX: The following tests are no longer compatible with RFC3986
        # self.checkJoin(SIMPLE_BASE, '../../../g','http://a/../g')
        # self.checkJoin(SIMPLE_BASE, '/./g','http://a/./g')

        # test for issue22118 duplicate slashes
        self.checkJoin(SIMPLE_BASE + '/', 'foo', SIMPLE_BASE + '/foo')

            

Reported by Pylint.

Statement seems to have no effect
Error

Line: 613 Column: 13

                      url = b"HTTP://WWW.PYTHON.ORG:65536/doc/#frag"
        p = urllib.parse.urlsplit(url)
        with self.assertRaisesRegex(ValueError, "out of range"):
            p.port

    def test_urlsplit_remove_unsafe_bytes(self):
        # Remove ASCII tabs and newlines from input
        url = "http\t://www.python\n.org\t/java\nscript:\talert('msg\r\n')/?query\n=\tsomething#frag\nment"
        p = urllib.parse.urlsplit(url)

            

Reported by Pylint.

Redefining built-in 'bytes'
Error

Line: 654 Column: 13

              
    def test_attributes_bad_port(self):
        """Check handling of invalid ports."""
        for bytes in (False, True):
            for parse in (urllib.parse.urlsplit, urllib.parse.urlparse):
                for port in ("foo", "1.5", "-1", "0x10"):
                    with self.subTest(bytes=bytes, parse=parse, port=port):
                        netloc = "www.example.net:" + port
                        url = "http://" + netloc

            

Reported by Pylint.

Statement seems to have no effect
Error

Line: 666 Column: 29

                                      p = parse(url)
                        self.assertEqual(p.netloc, netloc)
                        with self.assertRaises(ValueError):
                            p.port

    def test_attributes_without_netloc(self):
        # This example is straight from RFC 3261.  It looks like it
        # should allow the username, hostname, and port to be filled
        # in, but doesn't.  Since it's a URI and doesn't use the

            

Reported by Pylint.

Access to a protected member _encoded_counterpart of a client class
Error

Line: 852 Column: 22

              
    def _check_result_type(self, str_type):
        num_args = len(str_type._fields)
        bytes_type = str_type._encoded_counterpart
        self.assertIs(bytes_type._decoded_counterpart, str_type)
        str_args = ('',) * num_args
        bytes_args = (b'',) * num_args
        str_result = str_type(*str_args)
        bytes_result = bytes_type(*bytes_args)

            

Reported by Pylint.

Lib/pstats.py
173 issues
Class 'SortKey' has no '_value2member_map_' member
Error

Line: 53 Column: 13

                      obj = str.__new__(cls, value)
        obj._value_ = value
        for other_value in values[1:]:
            cls._value2member_map_[other_value] = obj
        obj._all_values = values
        return obj


@dataclass(unsafe_hash=True)

            

Reported by Pylint.

Attribute 'stats' defined outside __init__
Error

Line: 139 Column: 13

              
    def load_stats(self, arg):
        if arg is None:
            self.stats = {}
            return
        elif isinstance(arg, str):
            with open(arg, 'rb') as f:
                self.stats = marshal.load(f)
            try:

            

Reported by Pylint.

Attribute 'stats' defined outside __init__
Error

Line: 143 Column: 17

                          return
        elif isinstance(arg, str):
            with open(arg, 'rb') as f:
                self.stats = marshal.load(f)
            try:
                file_stats = os.stat(arg)
                arg = time.ctime(file_stats.st_mtime) + "    " + arg
            except:  # in case this is not unix
                pass

            

Reported by Pylint.

Deserialization with the marshal module is possibly dangerous.
Security blacklist

Line: 143
Suggestion: https://bandit.readthedocs.io/en/latest/blacklists/blacklist_calls.html#b302-marshal

                          return
        elif isinstance(arg, str):
            with open(arg, 'rb') as f:
                self.stats = marshal.load(f)
            try:
                file_stats = os.stat(arg)
                arg = time.ctime(file_stats.st_mtime) + "    " + arg
            except:  # in case this is not unix
                pass

            

Reported by Bandit.

No exception type(s) specified
Error

Line: 147 Column: 13

                          try:
                file_stats = os.stat(arg)
                arg = time.ctime(file_stats.st_mtime) + "    " + arg
            except:  # in case this is not unix
                pass
            self.files = [arg]
        elif hasattr(arg, 'create_stats'):
            arg.create_stats()
            self.stats = arg.stats

            

Reported by Pylint.

Attribute 'files' defined outside __init__
Error

Line: 149 Column: 13

                              arg = time.ctime(file_stats.st_mtime) + "    " + arg
            except:  # in case this is not unix
                pass
            self.files = [arg]
        elif hasattr(arg, 'create_stats'):
            arg.create_stats()
            self.stats = arg.stats
            arg.stats = {}
        if not self.stats:

            

Reported by Pylint.

Attribute 'stats' defined outside __init__
Error

Line: 152 Column: 13

                          self.files = [arg]
        elif hasattr(arg, 'create_stats'):
            arg.create_stats()
            self.stats = arg.stats
            arg.stats = {}
        if not self.stats:
            raise TypeError("Cannot create or construct a %r object from %r"
                            % (self.__class__, arg))
        return

            

Reported by Pylint.

Unused variable 'ct'
Error

Line: 160 Column: 32

                      return

    def get_top_level_stats(self):
        for func, (cc, nc, tt, ct, callers) in self.stats.items():
            self.total_calls += nc
            self.prim_calls  += cc
            self.total_tt    += tt
            if ("jprofile", 0, "profiler") in callers:
                self.top_level.add(func)

            

Reported by Pylint.

Attribute 'max_name_len' defined outside __init__
Error

Line: 167 Column: 17

                          if ("jprofile", 0, "profiler") in callers:
                self.top_level.add(func)
            if len(func_std_string(func)) > self.max_name_len:
                self.max_name_len = len(func_std_string(func))

    def add(self, *arg_list):
        if not arg_list:
            return self
        for item in reversed(arg_list):

            

Reported by Pylint.

Attribute 'sort_arg_dict' defined outside __init__
Error

Line: 221 Column: 13

                  def get_sort_arg_defs(self):
        """Expand all abbreviations that are unique."""
        if not self.sort_arg_dict:
            self.sort_arg_dict = dict = {}
            bad_list = {}
            for word, tup in self.sort_arg_dict_default.items():
                fragment = word
                while fragment:
                    if not fragment:

            

Reported by Pylint.

Lib/test/test_pickle.py
172 issues
Method should have "self" as first argument
Error

Line: 96 Column: 13

              
    def dumps(self, arg, proto=None):
        class PersPickler(self.pickler):
            def persistent_id(subself, obj):
                return self.persistent_id(obj)
        f = io.BytesIO()
        p = PersPickler(f, proto)
        p.dump(arg)
        return f.getvalue()

            

Reported by Pylint.

Method should have "self" as first argument
Error

Line: 105 Column: 13

              
    def loads(self, buf, **kwds):
        class PersUnpickler(self.unpickler):
            def persistent_load(subself, obj):
                return self.persistent_load(obj)
        f = io.BytesIO(buf)
        u = PersUnpickler(f, **kwds)
        return u.load()


            

Reported by Pylint.

Method should have "self" as first argument
Error

Line: 140 Column: 13

                          self.assertIsNone(r())

        class PersPickler(self.pickler):
            def persistent_id(subself, obj):
                return obj
        check(PersPickler)

        class PersPickler(self.pickler):
            @classmethod

            

Reported by Pylint.

class already defined line 139
Error

Line: 144 Column: 9

                              return obj
        check(PersPickler)

        class PersPickler(self.pickler):
            @classmethod
            def persistent_id(cls, obj):
                return obj
        check(PersPickler)


            

Reported by Pylint.

class already defined line 139
Error

Line: 150 Column: 9

                              return obj
        check(PersPickler)

        class PersPickler(self.pickler):
            @staticmethod
            def persistent_id(obj):
                return obj
        check(PersPickler)


            

Reported by Pylint.

Method should have "self" as first argument
Error

Line: 169 Column: 13

                          self.assertIsNone(r())

        class PersUnpickler(self.unpickler):
            def persistent_load(subself, pid):
                return pid
        check(PersUnpickler)

        class PersUnpickler(self.unpickler):
            @classmethod

            

Reported by Pylint.

class already defined line 168
Error

Line: 173 Column: 9

                              return pid
        check(PersUnpickler)

        class PersUnpickler(self.unpickler):
            @classmethod
            def persistent_load(cls, pid):
                return pid
        check(PersUnpickler)


            

Reported by Pylint.

class already defined line 168
Error

Line: 179 Column: 9

                              return pid
        check(PersUnpickler)

        class PersUnpickler(self.unpickler):
            @staticmethod
            def persistent_load(pid):
                return pid
        check(PersUnpickler)


            

Reported by Pylint.

Undefined variable 'EncodingWarning'
Error

Line: 491 Column: 28

                                         ResourceWarning,
                           StopAsyncIteration,
                           RecursionError,
                           EncodingWarning):
                    continue
                if exc is not OSError and issubclass(exc, OSError):
                    self.assertEqual(reverse_mapping('builtins', name),
                                     ('exceptions', 'OSError'))
                elif exc is not ImportError and issubclass(exc, ImportError):

            

Reported by Pylint.

Access to a protected member _dump of a client class
Error

Line: 35 Column: 25

              

class PyPickleTests(AbstractPickleModuleTests):
    dump = staticmethod(pickle._dump)
    dumps = staticmethod(pickle._dumps)
    load = staticmethod(pickle._load)
    loads = staticmethod(pickle._loads)
    Pickler = pickle._Pickler
    Unpickler = pickle._Unpickler

            

Reported by Pylint.

Lib/asyncio/base_events.py
172 issues
Cannot import 'traceback' due to syntax error 'invalid syntax (<unknown>, line 576)'
Error

Line: 28 Column: 1

              import subprocess
import threading
import time
import traceback
import sys
import warnings
import weakref

try:

            

Reported by Pylint.

Attempted relative import beyond top-level package
Error

Line: 38 Column: 1

              except ImportError:  # pragma: no cover
    ssl = None

from . import constants
from . import coroutines
from . import events
from . import exceptions
from . import futures
from . import protocols

            

Reported by Pylint.

Attempted relative import beyond top-level package
Error

Line: 39 Column: 1

                  ssl = None

from . import constants
from . import coroutines
from . import events
from . import exceptions
from . import futures
from . import protocols
from . import sslproto

            

Reported by Pylint.

Attempted relative import beyond top-level package
Error

Line: 40 Column: 1

              
from . import constants
from . import coroutines
from . import events
from . import exceptions
from . import futures
from . import protocols
from . import sslproto
from . import staggered

            

Reported by Pylint.

Attempted relative import beyond top-level package
Error

Line: 41 Column: 1

              from . import constants
from . import coroutines
from . import events
from . import exceptions
from . import futures
from . import protocols
from . import sslproto
from . import staggered
from . import tasks

            

Reported by Pylint.

Attempted relative import beyond top-level package
Error

Line: 42 Column: 1

              from . import coroutines
from . import events
from . import exceptions
from . import futures
from . import protocols
from . import sslproto
from . import staggered
from . import tasks
from . import transports

            

Reported by Pylint.

Attempted relative import beyond top-level package
Error

Line: 43 Column: 1

              from . import events
from . import exceptions
from . import futures
from . import protocols
from . import sslproto
from . import staggered
from . import tasks
from . import transports
from . import trsock

            

Reported by Pylint.

Attempted relative import beyond top-level package
Error

Line: 44 Column: 1

              from . import exceptions
from . import futures
from . import protocols
from . import sslproto
from . import staggered
from . import tasks
from . import transports
from . import trsock
from .log import logger

            

Reported by Pylint.

Attempted relative import beyond top-level package
Error

Line: 45 Column: 1

              from . import futures
from . import protocols
from . import sslproto
from . import staggered
from . import tasks
from . import transports
from . import trsock
from .log import logger


            

Reported by Pylint.

Attempted relative import beyond top-level package
Error

Line: 46 Column: 1

              from . import protocols
from . import sslproto
from . import staggered
from . import tasks
from . import transports
from . import trsock
from .log import logger



            

Reported by Pylint.

Lib/_pyio.py
172 issues
Unable to import 'msvcrt'
Error

Line: 14 Column: 5

              # Import _thread instead of threading to reduce startup cost
from _thread import allocate_lock as Lock
if sys.platform in {'win32', 'cygwin'}:
    from msvcrt import setmode as _setmode
else:
    _setmode = None

import io
from io import (__all__, SEEK_SET, SEEK_CUR, SEEK_END)

            

Reported by Pylint.

Undefined variable 'EncodingWarning'
Error

Line: 62 Column: 27

                      if sys.flags.warn_default_encoding:
            import warnings
            warnings.warn("'encoding' argument not specified.",
                          EncodingWarning, stacklevel + 1)
    return encoding


# Wrapper for builtins.open
#

            

Reported by Pylint.

Instance of 'IOBase' has no 'peek' member; maybe 'seek'?
Error

Line: 562 Column: 29

                      # For backwards compatibility, a (slowish) readline().
        if hasattr(self, "peek"):
            def nreadahead():
                readahead = self.peek(1)
                if not readahead:
                    return 1
                n = (readahead.find(b"\n") + 1) or len(readahead)
                if size >= 0:
                    n = min(n, size)

            

Reported by Pylint.

Instance of 'IOBase' has no 'read' member
Error

Line: 583 Column: 17

                              size = size_index()
        res = bytearray()
        while size < 0 or len(res) < size:
            b = self.read(nreadahead())
            if not b:
                break
            res += b
            if res.endswith(b"\n"):
                break

            

Reported by Pylint.

Instance of 'IOBase' has no 'write' member
Error

Line: 627 Column: 13

                      """
        self._checkClosed()
        for line in lines:
            self.write(line)

io.IOBase.register(IOBase)


class RawIOBase(IOBase):

            

Reported by Pylint.

Assigning result of a function call, where the function has no return
Error

Line: 657 Column: 9

                      if size < 0:
            return self.readall()
        b = bytearray(size.__index__())
        n = self.readinto(b)
        if n is None:
            return None
        del b[n:]
        return bytes(b)


            

Reported by Pylint.

Assigning result of a function call, where the function has no return
Error

Line: 772 Column: 13

                      b = b.cast('B')

        if read1:
            data = self.read1(len(b))
        else:
            data = self.read(len(b))
        n = len(data)

        b[:n] = data

            

Reported by Pylint.

Assigning result of a function call, where the function has no return
Error

Line: 774 Column: 13

                      if read1:
            data = self.read1(len(b))
        else:
            data = self.read(len(b))
        n = len(data)

        b[:n] = data

        return n

            

Reported by Pylint.

class already defined line 694
Error

Line: 1500 Column: 1

                      return BufferedWriter.write(self, b)


class FileIO(RawIOBase):
    _fd = -1
    _created = False
    _readable = False
    _writable = False
    _appending = False

            

Reported by Pylint.

Module 'os' has no 'O_BINARY' member
Error

Line: 1612 Column: 30

              
            if _setmode:
                # don't translate newlines (\r\n <=> \n)
                _setmode(fd, os.O_BINARY)

            self.name = file
            if self._appending:
                # For consistent behaviour, we explicitly seek to the
                # end of file (otherwise, it might be done only on the

            

Reported by Pylint.

Lib/optparse.py
171 issues
Access to member 'action' before its definition line 634
Error

Line: 633 Column: 12

                  # -- Constructor validation methods --------------------------------

    def _check_action(self):
        if self.action is None:
            self.action = "store"
        elif self.action not in self.ACTIONS:
            raise OptionError("invalid action: %r" % self.action, self)

    def _check_type(self):

            

Reported by Pylint.

Access to member 'type' before its definition line 643
Error

Line: 639 Column: 12

                          raise OptionError("invalid action: %r" % self.action, self)

    def _check_type(self):
        if self.type is None:
            if self.action in self.ALWAYS_TYPED_ACTIONS:
                if self.choices is not None:
                    # The "choices" attribute implies "choice" type.
                    self.type = "choice"
                else:

            

Reported by Pylint.

Instance of 'Option' has no 'choices' member
Error

Line: 641 Column: 20

                  def _check_type(self):
        if self.type is None:
            if self.action in self.ALWAYS_TYPED_ACTIONS:
                if self.choices is not None:
                    # The "choices" attribute implies "choice" type.
                    self.type = "choice"
                else:
                    # No type given?  "string" is the most sensible default.
                    self.type = "string"

            

Reported by Pylint.

Instance of 'Option' has no 'choices' member
Error

Line: 664 Column: 16

              
    def _check_choice(self):
        if self.type == "choice":
            if self.choices is None:
                raise OptionError(
                    "must supply a list of choices for type 'choice'", self)
            elif not isinstance(self.choices, (tuple, list)):
                raise OptionError(
                    "choices must be a list of strings ('%s' supplied)"

            

Reported by Pylint.

Instance of 'Option' has no 'choices' member
Error

Line: 667 Column: 33

                          if self.choices is None:
                raise OptionError(
                    "must supply a list of choices for type 'choice'", self)
            elif not isinstance(self.choices, (tuple, list)):
                raise OptionError(
                    "choices must be a list of strings ('%s' supplied)"
                    % str(type(self.choices)).split("'")[1], self)
        elif self.choices is not None:
            raise OptionError(

            

Reported by Pylint.

Instance of 'Option' has no 'choices' member
Error

Line: 670 Column: 32

                          elif not isinstance(self.choices, (tuple, list)):
                raise OptionError(
                    "choices must be a list of strings ('%s' supplied)"
                    % str(type(self.choices)).split("'")[1], self)
        elif self.choices is not None:
            raise OptionError(
                "must not supply choices for type %r" % self.type, self)

    def _check_dest(self):

            

Reported by Pylint.

Instance of 'Option' has no 'choices' member
Error

Line: 671 Column: 14

                              raise OptionError(
                    "choices must be a list of strings ('%s' supplied)"
                    % str(type(self.choices)).split("'")[1], self)
        elif self.choices is not None:
            raise OptionError(
                "must not supply choices for type %r" % self.type, self)

    def _check_dest(self):
        # No destination given, and we need one for this action.  The

            

Reported by Pylint.

Access to member 'dest' before its definition line 686
Error

Line: 680 Column: 12

                      # self.type check is for callbacks that take a value.
        takes_value = (self.action in self.STORE_ACTIONS or
                       self.type is not None)
        if self.dest is None and takes_value:

            # Glean a destination from the first long option string,
            # or from the first short option string if no long options.
            if self._long_opts:
                # eg. "--foo-bar" -> "foo_bar"

            

Reported by Pylint.

Instance of 'Option' has no 'const' member
Error

Line: 691 Column: 54

                              self.dest = self._short_opts[0][1]

    def _check_const(self):
        if self.action not in self.CONST_ACTIONS and self.const is not None:
            raise OptionError(
                "'const' must not be supplied for action %r" % self.action,
                self)

    def _check_nargs(self):

            

Reported by Pylint.

Access to member 'nargs' before its definition line 699
Error

Line: 698 Column: 16

              
    def _check_nargs(self):
        if self.action in self.TYPED_ACTIONS:
            if self.nargs is None:
                self.nargs = 1
        elif self.nargs is not None:
            raise OptionError(
                "'nargs' must not be supplied for action %r" % self.action,
                self)

            

Reported by Pylint.

Lib/test/test_call.py
170 issues
Module '_testcapi' has no 'meth_varargs' member
Error

Line: 190 Column: 13

              
    def test_varargs(self):
        self.assertEqual(
            self.obj.meth_varargs(1, 2, 3),
            (self.expected_self, (1, 2, 3)),
        )

    def test_varargs_ext(self):
        self.assertEqual(

            

Reported by Pylint.

Module '_testcapi' has no 'meth_varargs' member
Error

Line: 196 Column: 13

              
    def test_varargs_ext(self):
        self.assertEqual(
            self.obj.meth_varargs(*(1, 2, 3)),
            (self.expected_self, (1, 2, 3)),
        )

    def test_varargs_error_kw(self):
        msg = r"meth_varargs\(\) takes no keyword arguments"

            

Reported by Pylint.

Module '_testcapi' has no 'meth_varargs' member
Error

Line: 203 Column: 37

                  def test_varargs_error_kw(self):
        msg = r"meth_varargs\(\) takes no keyword arguments"
        self.assertRaisesRegex(
            TypeError, msg, lambda: self.obj.meth_varargs(k=1),
        )

    def test_varargs_keywords(self):
        self.assertEqual(
            self.obj.meth_varargs_keywords(1, 2, a=3, b=4),

            

Reported by Pylint.

Module '_testcapi' has no 'meth_varargs_keywords' member
Error

Line: 208 Column: 13

              
    def test_varargs_keywords(self):
        self.assertEqual(
            self.obj.meth_varargs_keywords(1, 2, a=3, b=4),
            (self.expected_self, (1, 2), {'a': 3, 'b': 4})
        )

    def test_varargs_keywords_ext(self):
        self.assertEqual(

            

Reported by Pylint.

Module '_testcapi' has no 'meth_varargs_keywords' member
Error

Line: 214 Column: 13

              
    def test_varargs_keywords_ext(self):
        self.assertEqual(
            self.obj.meth_varargs_keywords(*[1, 2], **{'a': 3, 'b': 4}),
            (self.expected_self, (1, 2), {'a': 3, 'b': 4})
        )

    def test_o(self):
        self.assertEqual(self.obj.meth_o(1), (self.expected_self, 1))

            

Reported by Pylint.

Module '_testcapi' has no 'meth_o' member
Error

Line: 219 Column: 26

                      )

    def test_o(self):
        self.assertEqual(self.obj.meth_o(1), (self.expected_self, 1))

    def test_o_ext(self):
        self.assertEqual(self.obj.meth_o(*[1]), (self.expected_self, 1))

    def test_o_error_no_arg(self):

            

Reported by Pylint.

Module '_testcapi' has no 'meth_o' member
Error

Line: 222 Column: 26

                      self.assertEqual(self.obj.meth_o(1), (self.expected_self, 1))

    def test_o_ext(self):
        self.assertEqual(self.obj.meth_o(*[1]), (self.expected_self, 1))

    def test_o_error_no_arg(self):
        msg = r"meth_o\(\) takes exactly one argument \(0 given\)"
        self.assertRaisesRegex(TypeError, msg, self.obj.meth_o)


            

Reported by Pylint.

Module '_testcapi' has no 'meth_o' member
Error

Line: 226 Column: 48

              
    def test_o_error_no_arg(self):
        msg = r"meth_o\(\) takes exactly one argument \(0 given\)"
        self.assertRaisesRegex(TypeError, msg, self.obj.meth_o)

    def test_o_error_two_args(self):
        msg = r"meth_o\(\) takes exactly one argument \(2 given\)"
        self.assertRaisesRegex(
            TypeError, msg, lambda: self.obj.meth_o(1, 2),

            

Reported by Pylint.

Module '_testcapi' has no 'meth_o' member
Error

Line: 231 Column: 37

                  def test_o_error_two_args(self):
        msg = r"meth_o\(\) takes exactly one argument \(2 given\)"
        self.assertRaisesRegex(
            TypeError, msg, lambda: self.obj.meth_o(1, 2),
        )

    def test_o_error_ext(self):
        msg = r"meth_o\(\) takes exactly one argument \(3 given\)"
        self.assertRaisesRegex(

            

Reported by Pylint.

Module '_testcapi' has no 'meth_o' member
Error

Line: 237 Column: 37

                  def test_o_error_ext(self):
        msg = r"meth_o\(\) takes exactly one argument \(3 given\)"
        self.assertRaisesRegex(
            TypeError, msg, lambda: self.obj.meth_o(*(1, 2, 3)),
        )

    def test_o_error_kw(self):
        msg = r"meth_o\(\) takes no keyword arguments"
        self.assertRaisesRegex(

            

Reported by Pylint.