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ðŸ“ ..
ðŸ“„ __init__.py(4.26 KB)
ðŸ“ __pycache__
ðŸ“„ async.py(3.83 KB)
ðŸ“„ bad_chained_comparison.py(2.18 KB)
ðŸ“ base
ðŸ“„ base_checker.py(10.67 KB)
ðŸ“ classes
ðŸ“„ deprecated.py(9.43 KB)
ðŸ“„ design_analysis.py(21.62 KB)
ðŸ“„ dunder_methods.py(3.43 KB)
ðŸ“„ ellipsis_checker.py(1.97 KB)
ðŸ“„ exceptions.py(26.05 KB)
ðŸ“„ format.py(26.91 KB)
ðŸ“„ imports.py(41.31 KB)
ðŸ“„ lambda_expressions.py(3.38 KB)
ðŸ“„ logging.py(15.84 KB)
ðŸ“„ mapreduce_checker.py(1.08 KB)
ðŸ“„ method_args.py(4.68 KB)
ðŸ“„ misc.py(4.87 KB)
ðŸ“„ modified_iterating_checker.py(7.67 KB)
ðŸ“„ nested_min_max.py(3.63 KB)
ðŸ“„ newstyle.py(4.46 KB)
ðŸ“„ non_ascii_names.py(6.98 KB)
ðŸ“„ raw_metrics.py(3.81 KB)
ðŸ“ refactoring
ðŸ“„ similar.py(33.29 KB)
ðŸ“„ spelling.py(16.17 KB)
ðŸ“„ stdlib.py(31.28 KB)
ðŸ“„ strings.py(40.28 KB)
ðŸ“„ threading_checker.py(1.9 KB)
ðŸ“„ typecheck.py(86.83 KB)
ðŸ“„ unicode.py(18.05 KB)
ðŸ“„ unsupported_version.py(2.93 KB)
ðŸ“„ utils.py(77.26 KB)
ðŸ“„ variables.py(126.57 KB)

Editing: threading_checker.py

# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
# For details: https://github.com/PyCQA/pylint/blob/main/LICENSE
# Copyright (c) https://github.com/PyCQA/pylint/blob/main/CONTRIBUTORS.txt

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

if TYPE_CHECKING:
    from pylint.lint import PyLinter

class ThreadingChecker(BaseChecker):
    """Checks for threading module.

- useless with lock - locking used in wrong way that has no effect (with threading.Lock():)
    """

name = "threading"

LOCKS = frozenset(
        (
            "threading.Lock",
            "threading.RLock",
            "threading.Condition",
            "threading.Semaphore",
            "threading.BoundedSemaphore",
        )
    )

msgs = {
        "W2101": (
            "'%s()' directly created in 'with' has no effect",
            "useless-with-lock",
            "Used when a new lock instance is created by using with statement "
            "which has no effect. Instead, an existing instance should be used to acquire lock.",
        ),
    }

@only_required_for_messages("useless-with-lock")
    def visit_with(self, node: nodes.With) -> None:
        context_managers = (c for c, _ in node.items if isinstance(c, nodes.Call))
        for context_manager in context_managers:
            if isinstance(context_manager, nodes.Call):
                infered_function = safe_infer(context_manager.func)
                if infered_function is None:
                    continue
                qname = infered_function.qname()
                if qname in self.LOCKS:
                    self.add_message("useless-with-lock", node=node, args=qname)

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

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