bpo-36775: _PyCoreConfig only uses wchar_t* by vstinner · Pull Request #13062

bpo-36775: _PyCoreConfig only uses wchar_t* by vstinner · Pull Request #13062 · python/cpython

_PyCoreConfig: Change filesystem_encoding, filesystem_errors,
stdio_encoding and stdio_errors fields type from char* to wchar_t*.

Changes:

* PyInterpreterState: replace fscodec_initialized (int) with fs_codec
  structure.
* Add get_error_handler_wide() and unicode_encode_utf8() helper
  functions.
* Add error_handler parameter to unicode_encode_locale()
  and unicode_decode_locale().
* Remove _PyCoreConfig_SetString().

* Rename _PyCoreConfig_SetWideString to _PyCoreConfig_SetStringt
* Rename _PyCoreConfig_SetWideStringFromString
  to _PyCoreConfig_DecodeLocale