[pull] main from python:main #61
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…ing.Barrier` (#129419) Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
* remove type annotations from multiprocessing. One of them was technically invalid per typing specs... but since we're not checking these in the stdlib today lets elide them. https://discuss.python.org/t/static-type-annotations-in-cpython/65068/13 * use the actual comment style annotation format Co-authored-by: 🇺🇦 Sviatoslav Sydorenko (Святослав Сидоренко) <wk.cvs.github@sydorenko.org.ua> --------- Co-authored-by: 🇺🇦 Sviatoslav Sydorenko (Святослав Сидоренко) <wk.cvs.github@sydorenko.org.ua>
fix UBSan failures for `PySSLCertificate`
…requirements (#129450) Add a note to the `JIT` docs that building CPython with `JIT` requires Python 3.11 or newer. Co-authored-by: Brandt Bucher <brandtbucher@gmail.com>
Turn off false-positive -Wstringop-overflow in word_to_string().
Both now use a pre-allocated buffer of length `bufsize`, fill it using a readinto(), and have matching "expand buffer" logic. On my machine this takes: `./python -m test -M8g -uall test_largefile -m test_large_read -v` from ~3.7 seconds to ~3.4 seconds.
Add PyImport_ImportModuleAttr() and PyImport_ImportModuleAttrString() functions. * Add unit tests. * Replace _PyImport_GetModuleAttr() with PyImport_ImportModuleAttr(). * Replace _PyImport_GetModuleAttrString() with PyImport_ImportModuleAttrString(). * Remove "pycore_import.h" includes, no longer needed.
Slicing buf and appending chunk would always result in a copy. Commonly in a readall() there is no already read data in buf, and the amount of data read may be large, so the copy is expensive.
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