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Diffstat (limited to 'venv/Lib/site-packages/pylint/checkers/async.py')
-rw-r--r-- | venv/Lib/site-packages/pylint/checkers/async.py | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/venv/Lib/site-packages/pylint/checkers/async.py b/venv/Lib/site-packages/pylint/checkers/async.py deleted file mode 100644 index c33071e..0000000 --- a/venv/Lib/site-packages/pylint/checkers/async.py +++ /dev/null @@ -1,89 +0,0 @@ -# Copyright (c) 2015-2018 Claudiu Popa <pcmanticore@gmail.com> -# Copyright (c) 2017 Derek Gustafson <degustaf@gmail.com> - -# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html -# For details: https://github.com/PyCQA/pylint/blob/master/COPYING - -"""Checker for anything related to the async protocol (PEP 492).""" - -import sys - -import astroid -from astroid import bases, exceptions - -from pylint import checkers, interfaces, utils -from pylint.checkers import utils as checker_utils -from pylint.checkers.utils import decorated_with - - -class AsyncChecker(checkers.BaseChecker): - __implements__ = interfaces.IAstroidChecker - 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): - self._ignore_mixin_members = utils.get_global_option( - self, "ignore-mixin-members" - ) - self._async_generators = ["contextlib.asynccontextmanager"] - - @checker_utils.check_messages("yield-inside-async-function") - def visit_asyncfunctiondef(self, node): - for child in node.nodes_of_class(astroid.Yield): - if child.scope() is node and ( - sys.version_info[:2] == (3, 5) or isinstance(child, astroid.YieldFrom) - ): - self.add_message("yield-inside-async-function", node=child) - - @checker_utils.check_messages("not-async-context-manager") - def visit_asyncwith(self, node): - for ctx_mgr, _ in node.items: - inferred = checker_utils.safe_infer(ctx_mgr) - if inferred is None or inferred is astroid.Uninferable: - continue - - if isinstance(inferred, bases.AsyncGenerator): - # Check if we are dealing with a function decorated - # with contextlib.asynccontextmanager. - if decorated_with(inferred.parent, self._async_generators): - continue - else: - try: - inferred.getattr("__aenter__") - inferred.getattr("__aexit__") - except exceptions.NotFoundError: - if isinstance(inferred, astroid.Instance): - # If we do not know the bases of this class, - # just skip it. - if not checker_utils.has_known_bases(inferred): - continue - # Just ignore mixin classes. - if self._ignore_mixin_members: - if inferred.name[-5:].lower() == "mixin": - continue - else: - continue - - self.add_message( - "not-async-context-manager", node=node, args=(inferred.name,) - ) - - -def register(linter): - """required method to auto register this checker""" - linter.register_checker(AsyncChecker(linter)) |