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gh-155742: Use PyBytesWriter in json _match_number_unicode() - #155744
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Replace soft deprecated PyBytes_FromStringAndSize() with PyBytesWriter. Use PyBytesWriter_Create() for the float code path, or PyMem_Malloc() for the int code path.
vstinner
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Aug 13, 2026
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Modules/_json.c
| } | ||
| else { | ||
| writer = NULL; | ||
| buf = PyMem_Malloc(n + 1); |
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PyLong_FromString() doesn't need a bytes object, just a C string (char*). But maybe the PyLong code path should also use PyBytesWriter to simplify the code.
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The alternative to creating a temporary bytes object is... to not create a Python object at all :-) I wrote PR gh-156897 for that. |
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I close this PR since PR #156897 seems to be a better approach. |
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Replace soft deprecated PyBytes_FromStringAndSize() with PyBytesWriter.
Use PyBytesWriter_Create() for the float code path, or PyMem_Malloc() for the int code path.