Python pycodestyle.noqa() Examples

def visit_Call(self, node):  # noqa
        if node.func.id == 'gql':
            self.calls.append(node) 

def check_gql(self):
        if not self.tree or not self.lines:
            self.load_file()

        visitor = self.visitor_class(self.filename, self.options)
        visitor.visit(self.tree)

        for node in visitor.calls:
            # Lines with the noqa flag are ignored entirely
            if pycodestyle.noqa(self.lines[node.lineno - 1]):
                continue

            query = visitor.node_query(node)
            if not query:
                continue

            try:
                source = Source(query, 'gql query')
                ast = parse(source)
            except Exception as e:
                message = str(e)
                yield self.error(node, GQL_SYNTAX_ERROR, message)
                continue

            validation_errors = self.validation_errors(ast)
            if validation_errors:
                for error in validation_errors:
                    message = str(error)
                    yield self.error(node, GQL_VALIDATION_ERROR, message) 

def fix_e265(source, aggressive=False):  # pylint: disable=unused-argument
    """Format block comments."""
    if '#' not in source:
        # Optimization.
        return source

    ignored_line_numbers = multiline_string_lines(
        source,
        include_docstrings=True) | set(commented_out_code_lines(source))

    fixed_lines = []
    sio = io.StringIO(source)
    for (line_number, line) in enumerate(sio.readlines(), start=1):
        if (
            line.lstrip().startswith('#') and
            line_number not in ignored_line_numbers and
            not pycodestyle.noqa(line)
        ):
            indentation = _get_indentation(line)
            line = line.lstrip()

            # Normalize beginning if not a shebang.
            if len(line) > 1:
                pos = next((index for index, c in enumerate(line)
                            if c != '#'))
                if (
                    # Leave multiple spaces like '#    ' alone.
                    (line[:pos].count('#') > 1 or line[1].isalnum() or
                        not line[1].isspace()) and
                    line[1] not in ':!' and
                    # Leave stylistic outlined blocks alone.
                    not line.rstrip().endswith('#')
                ):
                    line = '# ' + line.lstrip('# \t')

            fixed_lines.append(indentation + line)
        else:
            fixed_lines.append(line)

    return ''.join(fixed_lines) 

def fix_e265(source, aggressive=False):  # pylint: disable=unused-argument
    """Format block comments."""
    if '#' not in source:
        # Optimization.
        return source

    ignored_line_numbers = multiline_string_lines(
        source,
        include_docstrings=True) | set(commented_out_code_lines(source))

    fixed_lines = []
    sio = io.StringIO(source)
    for (line_number, line) in enumerate(sio.readlines(), start=1):
        if (
            line.lstrip().startswith('#') and
            line_number not in ignored_line_numbers and
            not pycodestyle.noqa(line)
        ):
            indentation = _get_indentation(line)
            line = line.lstrip()

            # Normalize beginning if not a shebang.
            if len(line) > 1:
                pos = next((index for index, c in enumerate(line)
                            if c != '#'))
                if (
                    # Leave multiple spaces like '#    ' alone.
                    (line[:pos].count('#') > 1 or line[1].isalnum() or
                        not line[1].isspace()) and
                    line[1] not in ':!' and
                    # Leave stylistic outlined blocks alone.
                    not line.rstrip().endswith('#')
                ):
                    line = '# ' + line.lstrip('# \t')

            fixed_lines.append(indentation + line)
        else:
            fixed_lines.append(line)

    return ''.join(fixed_lines) 

def mutable_default_arguments(physical_line, logical_line, filename):
    if pycodestyle.noqa(physical_line):
        return

    if mutable_default_argument_check.match(logical_line):
        yield (0, "D701: Default parameter value is a mutable type") 

def fix_e265(source, aggressive=False):  # pylint: disable=unused-argument
    """Format block comments."""
    if '#' not in source:
        # Optimization.
        return source

    ignored_line_numbers = multiline_string_lines(
        source,
        include_docstrings=True) | set(commented_out_code_lines(source))

    fixed_lines = []
    sio = io.StringIO(source)
    for (line_number, line) in enumerate(sio.readlines(), start=1):
        if (
            line.lstrip().startswith('#') and
            line_number not in ignored_line_numbers and
            not pycodestyle.noqa(line)
        ):
            indentation = _get_indentation(line)
            line = line.lstrip()

            # Normalize beginning if not a shebang.
            if len(line) > 1:
                pos = next((index for index, c in enumerate(line)
                            if c != '#'))
                if (
                    # Leave multiple spaces like '#    ' alone.
                    (line[:pos].count('#') > 1 or line[1].isalnum()) and
                    # Leave stylistic outlined blocks alone.
                    not line.rstrip().endswith('#')
                ):
                    line = '# ' + line.lstrip('# \t')

            fixed_lines.append(indentation + line)
        else:
            fixed_lines.append(line)

    return ''.join(fixed_lines) 

def check_oslo_namespace_imports(physical_line, logical_line, filename):
    if pycodestyle.noqa(physical_line):
        return
    if re.match(oslo_namespace_imports, logical_line):
        msg = ("M333: '%s' must be used instead of '%s'.") % (
            logical_line.replace('oslo.', 'oslo_'),
            logical_line)
        yield(0, msg) 

def run(self):
        if not self.tree or not self.lines:
            self.load_file()
        visitor = self.visitor(filename=self.filename, lines=self.lines)
        visitor.visit(self.tree)
        for e in itertools.chain(visitor.errors, self.gen_line_based_checks()):
            if pycodestyle.noqa(self.lines[e.lineno - 1]):
                continue

            if self.should_warn(e.message[:4]):
                yield self.adapt_error(e) 

def visit_Call(self, node):
        if isinstance(node.func, ast.Attribute):
            for bug in (B301, B302, B305):
                if node.func.attr in bug.methods:
                    call_path = ".".join(self.compose_call_path(node.func.value))
                    if call_path not in bug.valid_paths:
                        self.errors.append(bug(node.lineno, node.col_offset))
                    break
            else:
                self.check_for_b005(node)
        else:
            with suppress(AttributeError, IndexError):
                if (
                    node.func.id in ("getattr", "hasattr")
                    and node.args[1].s == "__call__"  # noqa: W503
                ):
                    self.errors.append(B004(node.lineno, node.col_offset))
                if (
                    node.func.id == "getattr"
                    and len(node.args) == 2  # noqa: W503
                    and _is_identifier(node.args[1])  # noqa: W503
                    and not iskeyword(node.args[1].s)  # noqa: W503
                ):
                    self.errors.append(B009(node.lineno, node.col_offset))
                elif (
                    node.func.id == "setattr"
                    and len(node.args) == 3  # noqa: W503
                    and _is_identifier(node.args[1])  # noqa: W503
                    and not iskeyword(node.args[1].s)  # noqa: W503
                ):
                    self.errors.append(B010(node.lineno, node.col_offset))

        self.generic_visit(node) 

def check_for_b903(self, node):
        body = node.body
        if (
            body
            and isinstance(body[0], ast.Expr)  # noqa: W503
            and isinstance(body[0].value, ast.Str)  # noqa: W503
        ):
            # Ignore the docstring
            body = body[1:]

        if (
            len(body) != 1
            or not isinstance(body[0], ast.FunctionDef)  # noqa: W503
            or body[0].name != "__init__"  # noqa: W503
        ):
            # only classes with *just* an __init__ method are interesting
            return

        # all the __init__ function does is a series of assignments to attributes
        for stmt in body[0].body:
            if not isinstance(stmt, ast.Assign):
                return
            targets = stmt.targets
            if len(targets) > 1 or not isinstance(targets[0], ast.Attribute):
                return
            if not isinstance(stmt.value, ast.Name):
                return

        self.errors.append(B903(node.lineno, node.col_offset)) 

def validate_log_translations(physical_line, logical_line, filename):
    # Translations are not required in the test directory
    if "tacker/tests" in filename:
        return
    if pycodestyle.noqa(physical_line):
        return
    msg = "N320: Log messages require translations!"
    if log_translation.match(logical_line):
        yield (0, msg) 

def check(physical_line):
    if pycodestyle.noqa(physical_line):
        return
    for rule in regex_rules:
        match = rule.regex.search(physical_line)
        if match:
            return match.start(), "{code} {reason}".format(code=rule.code, reason=rule.reason)