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codecs.StreamWriter.write() returns None #134706

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srittau opened this issue May 26, 2025 · 0 comments
Open

codecs.StreamWriter.write() returns None #134706

srittau opened this issue May 26, 2025 · 0 comments
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stdlib Python modules in the Lib dir type-bug An unexpected behavior, bug, or error

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srittau commented May 26, 2025 •
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Bug report

Bug description:

This violates the usual write() contract of returning the number of items written (for synchronous I/O) and also affects StreamReaderWriter.write() transitively.

In this case it seems trivial to just return the result of the called self.stream.write().

CPython versions tested on:

CPython main branch

Operating systems tested on:

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stdlib Python modules in the Lib dir type-bug An unexpected behavior, bug, or error
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@srittau @picnixz