Handle ECANCELED in the same way as EINTR to work around the Posix
violation in the NetBSD's implementation.

… the REPL (GH-138241)

Co-authored-by: Bénédikt Tran <[email protected]>

… invalid value for macOS (GH-138089)

Signed-off-by: yihong0618 <[email protected]>
Co-authored-by: Bénédikt Tran <[email protected]>

…in classes (GH-137585)

Replace PyBytes_FromStringAndSize(NULL, size) with the new public
PyBytesWriter API.

… (os.path, collections.abc...) (GH-138268)

Co-authored-by: Łukasz Langa <[email protected]>

…rings (#138559)

* Add documentation links to datetime strftime/strptime docstrings

- Add links to format codes documentation for all strftime methods
- Add links to format codes documentation for all strptime methods
- Addresses issue #97517

* Update C extension docstrings with format codes documentation

* Regenerate clinic code for updated docstrings

* Add clinic-generated header file for updated docstrings

* Fix docstring spacing consistency in both Python and C files

* Update Lib/_pydatetime.py

Co-authored-by: Stan Ulbrych <[email protected]>

---------

Co-authored-by: Stan Ulbrych <[email protected]>

…8930)

Replace PyBytes_FromStringAndSize(NULL, size) and _PyBytes_Resize()
with the new public PyBytesWriter API.

Performance about the same, using the benchmark from gh-120754:

```
pyperf compare_to main.json pep782.json
read_file_small: Mean +- std dev: [main] 5.71 us +- 0.05 us -> [pep782] 5.68 us +- 0.05 us: 1.01x faster
read_file_large: Mean +- std dev: [main] 89.7 us +- 0.9 us -> [pep782] 86.9 us +- 0.8 us: 1.03x faster
read_all_rst_bytes: Mean +- std dev: [main] 926 us +- 8 us -> [pep782] 920 us +- 12 us: 1.01x faster
read_all_rst_text: Mean +- std dev: [main] 2.24 ms +- 0.02 ms -> [pep782] 2.17 ms +- 0.04 ms: 1.03x faster

Benchmark hidden because not significant (1): read_all_py_bytes

Geometric mean: 1.01x faster
```

Replace PyBytes_FromStringAndSize(NULL, size) with the new public
PyBytesWriter API.