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b2cd54a4fb
This change makes sure all extension/builtin modules have their init function run first by the main interpreter before proceeding with import in the original interpreter (main or otherwise). This means when the import of a single-phase init module fails in an isolated subinterpreter, it won't tie any global state/callbacks to the subinterpreter.
8 lines
537 B
ReStructuredText
8 lines
537 B
ReStructuredText
When a builtin or extension module is imported for the first time, while a
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subinterpreter is active, the module's init function is now run by the main
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interpreter first before import continues in the subinterpreter.
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Consequently, single-phase init modules now fail in an isolated
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subinterpreter without the init function running under that interpreter,
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whereas before it would run under the subinterpreter *before* failing,
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potentially leaving behind global state and callbacks and otherwise leaving
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the module in an inconsistent state.
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