mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-30 13:38:43 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

bpo-28604: Fix localeconv() for different LC_MONETARY (GH-10606)

Browse source 
locale.localeconv() now sets temporarily the LC_CTYPE locale to the
LC_MONETARY locale if the two locales are different and monetary
strings are non-ASCII. This temporary change affects other threads.

Changes:

* locale.localeconv() can now set LC_CTYPE to LC_MONETARY to decode
  monetary fields.
* Add LocaleInfo.grouping_buffer: copy localeconv() grouping string
  since it can be replaced anytime if a different thread calls
  localeconv().
* _Py_GetLocaleconvNumeric() now requires a "struct lconv *"
  structure, so locale.localeconv() now longer calls localeconv()
  twice. Moreover, the function now requires all arguments to be
  non-NULL.
* Rename STATIC_LOCALE_INFO_INIT to LocaleInfo_STATIC_INIT.
* Move _Py_GetLocaleconvNumeric() definition from fileutils.h
  to pycore_fileutils.h. pycore_fileutils.h now includes locale.h.
* The _locale module is now built with Py_BUILD_CORE defined.
This commit is contained in:
Victor Stinner 2018-11-20 16:20:16 +01:00 • committed by GitHub
parent d5d33681c1
commit 02e6bf7f20
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
8 changed files with 145 additions and 60 deletions
Download patch file Download diff file Expand all files Collapse all files

45
Python/fileutils.c
View file

@ -1868,22 +1868,17 @@ error:
int
_Py_GetLocaleconvNumeric(PyObject **decimal_point, PyObject **thousands_sep,
const char **grouping)
_Py_GetLocaleconvNumeric(struct lconv *lc,
PyObject **decimal_point, PyObject **thousands_sep)
{
int res = -1;
struct lconv *lc = localeconv();
assert(decimal_point != NULL);
assert(thousands_sep != NULL);
int change_locale = 0;
if (decimal_point != NULL &&
(strlen(lc->decimal_point) > 1 || ((unsigned char)lc->decimal_point[0]) > 127))
{
if ((strlen(lc->decimal_point) > 1 || ((unsigned char)lc->decimal_point[0]) > 127)) {
change_locale = 1;
}
if (thousands_sep != NULL &&
(strlen(lc->thousands_sep) > 1 || ((unsigned char)lc->thousands_sep[0]) > 127))
{
if ((strlen(lc->thousands_sep) > 1 || ((unsigned char)lc->thousands_sep[0]) > 127)) {
change_locale = 1;
}
@ -1892,7 +1887,8 @@ _Py_GetLocaleconvNumeric(PyObject **decimal_point, PyObject **thousands_sep,
if (change_locale) {
oldloc = setlocale(LC_CTYPE, NULL);
if (!oldloc) {
PyErr_SetString(PyExc_RuntimeWarning, "faild to get LC_CTYPE locale");
PyErr_SetString(PyExc_RuntimeWarning,
"failed to get LC_CTYPE locale");
return -1;
}
@ -1908,7 +1904,7 @@ _Py_GetLocaleconvNumeric(PyObject **decimal_point, PyObject **thousands_sep,
}
if (loc != NULL) {
/* Only set the locale temporarilty the LC_CTYPE locale
/* Only set the locale temporarily the LC_CTYPE locale
if LC_NUMERIC locale is different than LC_CTYPE locale and
decimal_point and/or thousands_sep are non-ASCII or longer than
1 byte */
@ -1916,26 +1912,21 @@ _Py_GetLocaleconvNumeric(PyObject **decimal_point, PyObject **thousands_sep,
}
}
if (decimal_point != NULL) {
*decimal_point = PyUnicode_DecodeLocale(lc->decimal_point, NULL);
if (*decimal_point == NULL) {
goto error;
}
}
if (thousands_sep != NULL) {
*thousands_sep = PyUnicode_DecodeLocale(lc->thousands_sep, NULL);
if (*thousands_sep == NULL) {
goto error;
}
int res = -1;
*decimal_point = PyUnicode_DecodeLocale(lc->decimal_point, NULL);
if (*decimal_point == NULL) {
goto done;
}
if (grouping != NULL) {
*grouping = lc->grouping;
*thousands_sep = PyUnicode_DecodeLocale(lc->thousands_sep, NULL);
if (*thousands_sep == NULL) {
goto done;
}
res = 0;
error:
done:
if (loc != NULL) {
setlocale(LC_CTYPE, oldloc);
}

28
Python/formatter_unicode.c
View file

@ -3,6 +3,7 @@
of int.__float__, etc., that take and return unicode objects */
#include "Python.h"
#include "pycore_fileutils.h"
#include <locale.h>
/* Raises an exception about an unknown presentation type for this
@ -396,9 +397,10 @@ typedef struct {
PyObject *decimal_point;
PyObject *thousands_sep;
const char *grouping;
char *grouping_buffer;
} LocaleInfo;
#define STATIC_LOCALE_INFO_INIT {0, 0, 0}
#define LocaleInfo_STATIC_INIT {0, 0, 0, 0}
/* describes the layout for an integer, see the comment in
calc_number_widths() for details */
@ -705,11 +707,22 @@ get_locale_info(enum LocaleType type, LocaleInfo *locale_info)
{
switch (type) {
case LT_CURRENT_LOCALE: {
if (_Py_GetLocaleconvNumeric(&locale_info->decimal_point,
&locale_info->thousands_sep,
&locale_info->grouping) < 0) {
struct lconv *lc = localeconv();
if (_Py_GetLocaleconvNumeric(lc,
&locale_info->decimal_point,
&locale_info->thousands_sep) < 0) {
return -1;
}
/* localeconv() grouping can become a dangling pointer or point
to a different string if another thread calls localeconv() during
the string formatting. Copy the string to avoid this risk. */
locale_info->grouping_buffer = _PyMem_Strdup(lc->grouping);
if (locale_info->grouping_buffer == NULL) {
PyErr_NoMemory();
return -1;
}
locale_info->grouping = locale_info->grouping_buffer;
break;
}
case LT_DEFAULT_LOCALE:
@ -743,6 +756,7 @@ free_locale_info(LocaleInfo *locale_info)
{
Py_XDECREF(locale_info->decimal_point);
Py_XDECREF(locale_info->thousands_sep);
PyMem_Free(locale_info->grouping_buffer);
}
/************************************************************************/
@ -855,7 +869,7 @@ format_long_internal(PyObject *value, const InternalFormatSpec *format,
/* Locale settings, either from the actual locale or
from a hard-code pseudo-locale */
LocaleInfo locale = STATIC_LOCALE_INFO_INIT;
LocaleInfo locale = LocaleInfo_STATIC_INIT;
/* no precision allowed on integers */
if (format->precision != -1) {
@ -1027,7 +1041,7 @@ format_float_internal(PyObject *value,
/* Locale settings, either from the actual locale or
from a hard-code pseudo-locale */
LocaleInfo locale = STATIC_LOCALE_INFO_INIT;
LocaleInfo locale = LocaleInfo_STATIC_INIT;
if (format->precision > INT_MAX) {
PyErr_SetString(PyExc_ValueError, "precision too big");
@ -1190,7 +1204,7 @@ format_complex_internal(PyObject *value,
/* Locale settings, either from the actual locale or
from a hard-code pseudo-locale */
LocaleInfo locale = STATIC_LOCALE_INFO_INIT;
LocaleInfo locale = LocaleInfo_STATIC_INIT;
if (format->precision > INT_MAX) {
PyErr_SetString(PyExc_ValueError, "precision too big");