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30 lines
1.0 KiB
Python
30 lines
1.0 KiB
Python
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from astroid import AsyncFunctionDef
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from pylint.checkers import BaseChecker
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from pylint.checkers.utils import check_messages
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from pylint.interfaces import IAstroidChecker
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class AsyncAwaitableChecker(BaseChecker):
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__implements__ = IAstroidChecker
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name = "async-awaitable-checker"
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priority = -1
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msgs = {
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"W9999": (
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'Async function "%s" is likely not meant to return an Awaitable.',
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"async-awaitable-return",
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"Used when an async function returns an Awaitable instead of the result.",
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),
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}
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@check_messages("async-awaitable-return")
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def visit_asyncfunctiondef(self, node: AsyncFunctionDef):
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# Check if the return type is explicitly an Awaitable
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if node.returns and "Awaitable" in node.returns.as_string():
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self.add_message("async-awaitable-return", node=node, args=(node.name,))
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def register(linter):
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"""Required method to auto register this checker."""
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linter.register_checker(AsyncAwaitableChecker(linter))
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