\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5×\D6?\BDê\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2€ \00 $\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4ê\E9\F2á\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// # 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 """Checker for anything related to the async protocol (PEP 492).""" from __future__ import annotations import sys from typing import TYPE_CHECKING import astroid from astroid import nodes, util from pylint import checkers from pylint.checkers import utils as checker_utils from pylint.checkers.utils import decorated_with if TYPE_CHECKING: from pylint.lint import PyLinter class AsyncChecker(checkers.BaseChecker): name = "async" msgs = { "E1700": ( "Yield inside async function", "yield-inside-async-function", "Used when an `yield` or `yield from` statement is " "found inside an async function.", {"minversion": (3, 5)}, ), "E1701": ( "Async context manager '%s' doesn't implement __aenter__ and __aexit__.", "not-async-context-manager", "Used when an async context manager is used with an object " "that does not implement the async context management protocol.", {"minversion": (3, 5)}, ), } def open(self) -> None: self._mixin_class_rgx = self.linter.config.mixin_class_rgx self._async_generators = ["contextlib.asynccontextmanager"] @checker_utils.only_required_for_messages("yield-inside-async-function") def visit_asyncfunctiondef(self, node: nodes.AsyncFunctionDef) -> None: for child in node.nodes_of_class(nodes.Yield): if child.scope() is node and ( sys.version_info[:2] == (3, 5) or isinstance(child, nodes.YieldFrom) ): self.add_message("yield-inside-async-function", node=child) @checker_utils.only_required_for_messages("not-async-context-manager") def visit_asyncwith(self, node: nodes.AsyncWith) -> None: for ctx_mgr, _ in node.items: inferred = checker_utils.safe_infer(ctx_mgr) if inferred is None or isinstance