FM / checkers

/opt/imh-python/lib/python3.9/site-packages/pylint/checkers/

/opt/imh-python/lib/python3.9/site-packages/pylint/checkers

Name	Size	Mode	Actions
base/	-	0755	rm
classes/	-	0755	rm
refactoring/	-	0755	rm
__pycache__/	-	0755	rm
async.py	3933	0644	edit dl rm
bad_chained_comparison.py	2238	0644	edit dl rm
base_checker.py	9221	0644	edit dl rm
dataclass_checker.py	4503	0644	edit dl rm
deprecated.py	11196	0644	edit dl rm
design_analysis.py	24588	0644	edit dl rm
dunder_methods.py	3908	0644	edit dl rm
ellipsis_checker.py	2024	0644	edit dl rm
exceptions.py	26504	0644	edit dl rm
format.py	27912	0644	edit dl rm
imports.py	48975	0644	edit dl rm
lambda_expressions.py	3472	0644	edit dl rm
logging.py	16420	0644	edit dl rm
method_args.py	4764	0644	edit dl rm
misc.py	5035	0644	edit dl rm
modified_iterating_checker.py	7750	0644	edit dl rm
nested_min_max.py	5583	0644	edit dl rm
newstyle.py	4200	0644	edit dl rm
non_ascii_names.py	7155	0644	edit dl rm
raw_metrics.py	3797	0644	edit dl rm
spelling.py	16454	0644	edit dl rm
stdlib.py	36609	0644	edit dl rm
strings.py	44785	0644	edit dl rm
symilar.py	33948	0644	edit dl rm
threading_checker.py	1951	0644	edit dl rm
typecheck.py	90820	0644	edit dl rm
unicode.py	18474	0644	edit dl rm
unsupported_version.py	7745	0644	edit dl rm
utils.py	79818	0644	edit dl rm
variables.py	138002	0644	edit dl rm
__init__.py	4235	0644	edit dl rm

Edit: /opt/imh-python/lib/python3.9/site-packages/pylint/checkers/unsupported_version.py (7745B)

"""Checker for features used that are not supported by all python versions
indicated by the py-version setting.
"""

from __future__ import annotations

from typing import TYPE_CHECKING

from astroid import nodes

from pylint.checkers import BaseChecker
from pylint.checkers.utils import (
    only_required_for_messages,
    safe_infer,
    uninferable_final_decorators,
)
from pylint.interfaces import HIGH

if TYPE_CHECKING:
    from pylint.lint import PyLinter

class UnsupportedVersionChecker(BaseChecker):
    """Checker for features that are not supported by all python versions
    indicated by the py-version setting.
    """

name = "unsupported_version"
    msgs = {
        "W2601": (
            "F-strings are not supported by all versions included in the py-version setting",
            "using-f-string-in-unsupported-version",
            "Used when the py-version set by the user is lower than 3.6 and pylint encounters "
            "an f-string.",
        ),
        "W2602": (
            "typing.final is not supported by all versions included in the py-version setting",
            "using-final-decorator-in-unsupported-version",
            "Used when the py-version set by the user is lower than 3.8 and pylint encounters "
            "a ``typing.final`` decorator.",
        ),
        "W2603": (
            "Exception groups are not supported by all versions included in the py-version setting",
            "using-exception-groups-in-unsupported-version",
            "Used when the py-version set by the user is lower than 3.11 and pylint encounters "
            "``except*`` or `ExceptionGroup``.",
        ),
        "W2604": (
            "Generic type syntax (PEP 695) is not supported by all versions included in the py-version setting",
            "using-generic-type-syntax-in-unsupported-version",
            "Used when the py-version set by the user is lower than 3.12 and pylint encounters "
            "generic type syntax.",
        ),
        "W2605": (
            "Assignment expression is not supported by all versions included in the py-version setting",
            "using-assignment-expression-in-unsupported-version",
            "Used when the py-version set by the user is lower than 3.8 and pylint encounters "
            "an assignment expression (walrus) operator.",
        ),
        "W2606": (
            "Positional-only arguments are not supported by all versions included in the py-version setting",
            "using-positional-only-args-in-unsupported-version",
            "Used when the py-version set by the user is lower than 3.8 and pylint encounters "
            "positional-only arguments.",
        ),
    }

def open(self) -> None:
        """Initialize visit variables and statistics."""
        py_version = self.linter.config.py_version
        self._py36_plus = py_version >= (3, 6)
        self._py38_plus = py_version >= (3, 8)
        self._py311_plus = py_version >= (3, 11)
        self._py312_plus = py_version >= (3, 12)

@only_required_for_messages("using-f-string-in-unsupported-version")
    def visit_joinedstr(self, node: nodes.JoinedStr) -> None:
        """Check f-strings."""
        if not self._py36_plus:
            self.add_message(
                "using-f-string-in-unsupported-version", node=node, confidence=HIGH
            )

@only_required_for_messages("using-assignment-expression-in-unsupported-version")
    def visit_namedexpr(self, node: nodes.JoinedStr) -> None:
        if not self._py38_plus:
            self.add_message(
                "using-assignment-expression-in-unsupported-version",
                node=node,
                confidence=HIGH,
            )

@only_required_for_messages("using-positional-only-args-in-unsupported-version")
    def visit_arguments(self, node: nodes.Arguments) -> None:
        if not self._py38_plus and node.posonlyargs:
            self.add_message(
                "using-positional-only-args-in-unsupported-version",
                node=node,
                confidence=HIGH,
            )

@only_required_for_messages("using-final-decorator-in-unsupported-version")
    def visit_decorators(self, node: nodes.Decorators) -> None:
        """Check decorators."""
        self._check_typing_final(node)

def _check_typing_final(self, node: nodes.Decorators) -> None:
        """Add a message when the `typing.final` decorator is used and the
        py-version is lower than 3.8.
        """
        if self._py38_plus:
            return

decorators = []
        for decorator in node.get_children():
            inferred = safe_infer(decorator)
            if inferred and inferred.qname() == "typing.final":
                decorators.append(decorator)

for decorator in decorators or uninferable_final_decorators(node):
            self.add_message(
                "using-final-decorator-in-unsupported-version",
                node=decorator,
                confidence=HIGH,
            )

@only_required_for_messages("using-exception-groups-in-unsupported-version")
    def visit_trystar(self, node: nodes.TryStar) -> None:
        if not self._py311_plus:
            self.add_message(
                "using-exception-groups-in-unsupported-version",
                node=node,
                confidence=HIGH,
            )

@only_required_for_messages("using-exception-groups-in-unsupported-version")
    def visit_excepthandler(self, node: nodes.ExceptHandler) -> None:
        if (
            not self._py311_plus
            and isinstance(node.type, nodes.Name)
            and node.type.name == "ExceptionGroup"
        ):
            self.add_message(
                "using-exception-groups-in-unsupported-version",
                node=node,
                confidence=HIGH,
            )

@only_required_for_messages("using-exception-groups-in-unsupported-version")
    def visit_raise(self, node: nodes.Raise) -> None:
        if (
            not self._py311_plus
            and isinstance(node.exc, nodes.Call)
            and isinstance(node.exc.func, nodes.Name)
            and node.exc.func.name == "ExceptionGroup"
        ):
            self.add_message(
                "using-exception-groups-in-unsupported-version",
                node=node,
                confidence=HIGH,
            )

@only_required_for_messages("using-generic-type-syntax-in-unsupported-version")
    def visit_typealias(self, node: nodes.TypeAlias) -> None:
        if not self._py312_plus:
            self.add_message(
                "using-generic-type-syntax-in-unsupported-version",
                node=node,
                confidence=HIGH,
            )

@only_required_for_messages("using-generic-type-syntax-in-unsupported-version")
    def visit_typevar(self, node: nodes.TypeVar) -> None:
        if not self._py312_plus:
            self.add_message(
                "using-generic-type-syntax-in-unsupported-version",
                node=node,
                confidence=HIGH,
            )

@only_required_for_messages("using-generic-type-syntax-in-unsupported-version")
    def visit_typevartuple(self, node: nodes.TypeVarTuple) -> None:
        if not self._py312_plus:
            self.add_message(
                "using-generic-type-syntax-in-unsupported-version",
                node=node,
                confidence=HIGH,
            )

def register(linter: PyLinter) -> None:
    linter.register_checker(UnsupportedVersionChecker(linter))

# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html # For details: https://github.com/pylint-dev/pylint/blob/main/LICENSE # Copyright (c) https://github.com/pylint-dev/pylint/blob/main/CONTRIBUTORS.txt """Checker for features used that are not supported by all python versions indicated by the py-version setting. """ from __future__ import annotations from typing import TYPE_CHECKING from astroid import nodes from pylint.checkers import BaseChecker from pylint.checkers.utils import ( only_required_for_messages, safe_infer, uninferable_final_decorators, ) from pylint.interfaces import HIGH if TYPE_CHECKING: from pylint.lint import PyLinter class UnsupportedVersionChecker(BaseChecker): """Checker for features that are not supported by all python versions indicated by the py-version setting. """ name = "unsupported_version" msgs = { "W2601": ( "F-strings are not supported by all versions included in the py-version setting", "using-f-string-in-unsupported-version", "Used when the py-version set by the user is lower than 3.6 and pylint encounters " "an f-string.", ), "W2602": ( "typing.final is not supported by all versions included in the py-version setting", "using-final-decorator-in-unsupported-version", "Used when the py-version set by the user is lower than 3.8 and pylint encounters " "a ``typing.final`` decorator.", ), "W2603": ( "Exception groups are not supported by all versions included in the py-version setting", "using-exception-groups-in-unsupported-version", "Used when the py-version set by the user is lower than 3.11 and pylint encounters " "``except*`` or `ExceptionGroup``.", ), "W2604": ( "Generic type syntax (PEP 695) is not supported by all versions included in the py-version setting", "using-generic-type-syntax-in-unsupported-version", "Used when the py-version set by the user is lower than 3.12 and pylint encounters " "generic type syntax.", ), "W2605": ( "Assignment expression is not supported by all versions included in the py-version setting", "using-assignment-expression-in-unsupported-version", "Used when the py-version set by the user is lower than 3.8 and pylint encounters " "an assignment expression (walrus) operator.", ), "W2606": ( "Positional-only arguments are not supported by all versions included in the py-version setting", "using-positional-only-args-in-unsupported-version", "Used when the py-version set by the user is lower than 3.8 and pylint encounters " "positional-only arguments.", ), } def open(self) -> None: """Initialize visit variables and statistics.""" py_version = self.linter.config.py_version self._py36_plus = py_version >= (3, 6) self._py38_plus = py_version >= (3, 8) self._py311_plus = py_version >= (3, 11) self._py312_plus = py_version >= (3, 12) @only_required_for_messages("using-f-string-in-unsupported-version") def visit_joinedstr(self, node: nodes.JoinedStr) -> None: """Check f-strings.""" if not self._py36_plus: self.add_message( "using-f-string-in-unsupported-version", node=node, confidence=HIGH ) @only_required_for_messages("using-assignment-expression-in-unsupported-version") def visit_namedexpr(self, node: nodes.JoinedStr) -> None: if not self._py38_plus: self.add_message( "using-assignment-expression-in-unsupported-version", node=node, confidence=HIGH, ) @only_required_for_messages("using-positional-only-args-in-unsupported-version") def visit_arguments(self, node: nodes.Arguments) -> None: if not self._py38_plus and node.posonlyargs: self.add_message( "using-positional-only-args-in-unsupported-version", node=node, confidence=HIGH, ) @only_required_for_messages("using-final-decorator-in-unsupported-version") def visit_decorators(self, node: nodes.Decorators) -> None: """Check decorators.""" self._check_typing_final(node) def _check_typing_final(self, node: nodes.Decorators) -> None: """Add a message when the `typing.final` decorator is used and the py-version is lower than 3.8. """ if self._py38_plus: return decorators = [] for decorator in node.get_children(): inferred = safe_infer(decorator) if inferred and inferred.qname() == "typing.final": decorators.append(decorator) for decorator in decorators or uninferable_final_decorators(node): self.add_message( "using-final-decorator-in-unsupported-version", node=decorator, confidence=HIGH, ) @only_required_for_messages("using-exception-groups-in-unsupported-version") def visit_trystar(self, node: nodes.TryStar) -> None: if not self._py311_plus: self.add_message( "using-exception-groups-in-unsupported-version", node=node, confidence=HIGH, ) @only_required_for_messages("using-exception-groups-in-unsupported-version") def visit_excepthandler(self, node: nodes.ExceptHandler) -> None: if ( not self._py311_plus and isinstance(node.type, nodes.Name) and node.type.name == "ExceptionGroup" ): self.add_message( "using-exception-groups-in-unsupported-version", node=node, confidence=HIGH, ) @only_required_for_messages("using-exception-groups-in-unsupported-version") def visit_raise(self, node: nodes.Raise) -> None: if ( not self._py311_plus and isinstance(node.exc, nodes.Call) and isinstance(node.exc.func, nodes.Name) and node.exc.func.name == "ExceptionGroup" ): self.add_message( "using-exception-groups-in-unsupported-version", node=node, confidence=HIGH, ) @only_required_for_messages("using-generic-type-syntax-in-unsupported-version") def visit_typealias(self, node: nodes.TypeAlias) -> None: if not self._py312_plus: self.add_message( "using-generic-type-syntax-in-unsupported-version", node=node, confidence=HIGH, ) @only_required_for_messages("using-generic-type-syntax-in-unsupported-version") def visit_typevar(self, node: nodes.TypeVar) -> None: if not self._py312_plus: self.add_message( "using-generic-type-syntax-in-unsupported-version", node=node, confidence=HIGH, ) @only_required_for_messages("using-generic-type-syntax-in-unsupported-version") def visit_typevartuple(self, node: nodes.TypeVarTuple) -> None: if not self._py312_plus: self.add_message( "using-generic-type-syntax-in-unsupported-version", node=node, confidence=HIGH, ) def register(linter: PyLinter) -> None: linter.register_checker(UnsupportedVersionChecker(linter))