New submission from STINNER Victor <vstin...@redhat.com>:
PYTHONCOERCECLOCALE=1 should not force C locale coercion, Python should still
check if the LC_CTYPE locale is "C".
Bug:
$ ./python -c 'import locale; print(locale.setlocale(locale.LC_CTYPE, None))'
fr_FR.UTF-8
$ PYTHONCOERCECLOCALE=1 ./python -c 'import locale;
print(locale.setlocale(locale.LC_CTYPE, None))'
C.UTF-8
It should be fr_FR.UTF-8 as well in the second example :-( It seems to be a
regression that I introduced in the middle of my refactoring on the Python
initialization.
The bug is around:
static void
config_init_locale(_PyCoreConfig *config)
{
if (config->coerce_c_locale < 0) {
/* The C locale enables the C locale coercion (PEP 538) */
if (_Py_LegacyLocaleDetected()) {
config->coerce_c_locale = 1;
}
}
...
}
The 3.7 branch and the 3.7.0 release are affected :-(
$ ./python -V
Python 3.7.0
$ PYTHONCOERCECLOCALE=1 ./python -c 'import locale;
print(locale.setlocale(locale.LC_CTYPE, None))'
C.UTF-8
----------
components: Interpreter Core
messages: 330590
nosy: vstinner
priority: normal
severity: normal
status: open
title: Bug in C locale coercion with PYTHONCOERCECLOCALE=1
versions: Python 3.7, Python 3.8
_______________________________________
Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue35336>
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