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| author | Inada Naoki <songofacandy@gmail.com> | 2021-03-29 03:28:14 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-03-29 03:28:14 (GMT) |
| commit | 4827483f47906fecee6b5d9097df2a69a293a85c (patch) | |
| tree | c4d7e34163e9583c06003d5335d020ce27aa4559 /Doc/c-api | |
| parent | 261a452a1300eeeae1428ffd6e6623329c085e2c (diff) | |
| download | cpython-4827483f47906fecee6b5d9097df2a69a293a85c.zip cpython-4827483f47906fecee6b5d9097df2a69a293a85c.tar.gz cpython-4827483f47906fecee6b5d9097df2a69a293a85c.tar.bz2 | |
bpo-43510: Implement PEP 597 opt-in EncodingWarning. (GH-19481)
See [PEP 597](https://www.python.org/dev/peps/pep-0597/).
* Add `-X warn_default_encoding` and `PYTHONWARNDEFAULTENCODING`.
* Add EncodingWarning
* Add io.text_encoding()
* open(), TextIOWrapper() emits EncodingWarning when encoding is omitted and warn_default_encoding is enabled.
* _pyio.TextIOWrapper() uses UTF-8 as fallback default encoding used when failed to import locale module. (used during building Python)
* bz2, configparser, gzip, lzma, pathlib, tempfile modules use io.text_encoding().
* What's new entry
Diffstat (limited to 'Doc/c-api')
| -rw-r--r-- | Doc/c-api/init_config.rst | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Doc/c-api/init_config.rst b/Doc/c-api/init_config.rst index db7c1f4..29fbb68 100644 --- a/Doc/c-api/init_config.rst +++ b/Doc/c-api/init_config.rst @@ -583,6 +583,15 @@ PyConfig Default: ``0``. + .. c:member:: int warn_default_encoding + + If non-zero, emit a :exc:`EncodingWarning` warning when :class:`io.TextIOWrapper` + uses its default encoding. See :ref:`io-encoding-warning` for details. + + Default: ``0``. + + .. versionadded:: 3.10 + .. c:member:: wchar_t* check_hash_pycs_mode Control the validation behavior of hash-based ``.pyc`` files: |