How to use the pycodestyle._checks function in pycodestyle

def test_register_ast_check(self):
        pycodestyle.register_check(DummyChecker, ['Z701'])

        self.assertTrue(DummyChecker in pycodestyle._checks['tree'])
        codes, args = pycodestyle._checks['tree'][DummyChecker]
        self.assertTrue('Z701' in codes)
        self.assertTrue(args is None)

        options = pycodestyle.StyleGuide().options
        self.assertTrue(any(cls == DummyChecker
                            for name, cls, args in options.ast_checks))

def test_register_logical_check(self):
        def check_dummy(logical_line, tokens):
            if False:
                yield
        pycodestyle.register_check(check_dummy, ['Z401'])

        self.assertTrue(check_dummy in pycodestyle._checks['logical_line'])
        codes, args = pycodestyle._checks['logical_line'][check_dummy]
        self.assertTrue('Z401' in codes)
        self.assertEqual(args, ['logical_line', 'tokens'])

        pycodestyle.register_check(check_dummy, [])
        pycodestyle.register_check(check_dummy, ['Z402', 'Z403'])
        codes, args = pycodestyle._checks['logical_line'][check_dummy]
        self.assertEqual(codes, ['Z401', 'Z402', 'Z403'])
        self.assertEqual(args, ['logical_line', 'tokens'])

        options = pycodestyle.StyleGuide().options
        self.assertTrue(any(func == check_dummy
                            for name, func, args in options.logical_checks))

def setUp(self):
        self._saved_stdout = sys.stdout
        self._saved_stderr = sys.stderr
        self._saved_checks = pycodestyle._checks
        sys.stdout = PseudoFile()
        sys.stderr = PseudoFile()
        pycodestyle._checks = dict(
            (k, dict((f, (vals[0][:], vals[1])) for (f, vals) in v.items()))
            for (k, v) in self._saved_checks.items()
        )

def tearDown(self):
        sys.stdout = self._saved_stdout
        sys.stderr = self._saved_stderr
        pycodestyle._checks = self._saved_checks

def setUp(self):
        self._saved_stdout = sys.stdout
        self._saved_stderr = sys.stderr
        self._saved_checks = pycodestyle._checks
        sys.stdout = PseudoFile()
        sys.stderr = PseudoFile()
        pycodestyle._checks = dict(
            (k, dict((f, (vals[0][:], vals[1])) for (f, vals) in v.items()))
            for (k, v) in self._saved_checks.items()
        )

def setUp(self):
        self._saved_stdout = sys.stdout
        self._saved_stderr = sys.stderr
        self._saved_checks = pycodestyle._checks
        sys.stdout = PseudoFile()
        sys.stderr = PseudoFile()
        pycodestyle._checks = {
            k: {f: (vals[0][:], vals[1]) for (f, vals) in v.items()}
            for k, v in self._saved_checks.items()
        }

def tearDown(self):
        sys.stdout = self._saved_stdout
        sys.stderr = self._saved_stderr
        pycodestyle._checks = self._saved_checks

last_line = line

    if (
        indent_next and
        not last_line_begins_with_multiline and
        pycodestyle.expand_indent(line) == indent_level + DEFAULT_INDENT_SIZE
    ):
        pos = (start[0], indent[0] + 4)
        desired_indent = indent_level + 2 * DEFAULT_INDENT_SIZE
        if visual_indent:
            yield (pos, 'E129 {0}'.format(desired_indent))
        else:
            yield (pos, 'E125 {0}'.format(desired_indent))


del pycodestyle._checks['logical_line'][pycodestyle.continued_indentation]
pycodestyle.register_check(continued_indentation)


class FixPEP8(object):

    """Fix invalid code.

    Fixer methods are prefixed "fix_". The _fix_source() method looks for these
    automatically.

    The fixer method can take either one or two arguments (in addition to
    self). The first argument is "result", which is the error information from
    pycodestyle. The second argument, "logical", is required only for
    logical-line fixes.

    The fixer method can return the list of modified lines or None. An empty

last_line = line

    if (
        indent_next and
        not last_line_begins_with_multiline and
        pycodestyle.expand_indent(line) == indent_level + DEFAULT_INDENT_SIZE
    ):
        pos = (start[0], indent[0] + 4)
        desired_indent = indent_level + 2 * DEFAULT_INDENT_SIZE
        if visual_indent:
            yield (pos, 'E129 {0}'.format(desired_indent))
        else:
            yield (pos, 'E125 {0}'.format(desired_indent))


del pycodestyle._checks['logical_line'][pycodestyle.continued_indentation]
pycodestyle.register_check(continued_indentation)


class FixPEP8(object):

    """Fix invalid code.

    Fixer methods are prefixed "fix_". The _fix_source() method looks for these
    automatically.

    The fixer method can take either one or two arguments (in addition to
    self). The first argument is "result", which is the error information from
    pycodestyle. The second argument, "logical", is required only for
    logical-line fixes.

    The fixer method can return the list of modified lines or None. An empty

# Copyright 2017 Palantir Technologies, Inc.
import logging
import pycodestyle
from autopep8 import continued_indentation as autopep8_c_i
from pyls import hookimpl, lsp

# Check if autopep8's continued_indentation implementation
# is overriding pycodestyle's and if so, re-register
# the check using pycodestyle's implementation as expected
if autopep8_c_i in pycodestyle._checks['logical_line']:
    del pycodestyle._checks['logical_line'][autopep8_c_i]
    pycodestyle.register_check(pycodestyle.continued_indentation)

log = logging.getLogger(__name__)


@hookimpl
def pyls_lint(config, document):
    settings = config.plugin_settings('pycodestyle')
    log.debug("Got pycodestyle settings: %s", settings)

    opts = {
        'exclude': settings.get('exclude'),
        'filename': settings.get('filename'),
        'hang_closing': settings.get('hangClosing'),
        'ignore': settings.get('ignore'),