Add 'context' keyword parameter to Thread. #128209
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By default, inherit the context from the thread calling `Thread.start()`.
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By default, inherit the context from the thread calling
Thread.start().This was motivated by making the
warningsmodule work more reliably when threads and asyncio are used in combination withcatch_warnings. I'm working on a PR that will makewarningsuse a contextvar for the filtering state.This is not a new idea, it was suggested around the 3.10 release timeframe, gh-86981.
📚 Documentation preview 📚: https://cpython-previews--128209.org.readthedocs.build/