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cpython/Lib/test/test__locale.py

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from _locale import (setlocale, LC_ALL, LC_CTYPE, LC_NUMERIC, LC_TIME, localeconv, Error)
try:
from _locale import (RADIXCHAR, THOUSEP, nl_langinfo)
except ImportError:
nl_langinfo = None
import locale
import sys
import unittest
from platform import uname
from test import support
if uname().system == "Darwin":
maj, min, mic = [int(part) for part in uname().release.split(".")]
if (maj, min, mic) < (8, 0, 0):
raise unittest.SkipTest("locale support broken for OS X < 10.4")
candidate_locales = ['es_UY', 'fr_FR', 'fi_FI', 'es_CO', 'pt_PT', 'it_IT',
'et_EE', 'es_PY', 'no_NO', 'nl_NL', 'lv_LV', 'el_GR', 'be_BY', 'fr_BE',
'ro_RO', 'ru_UA', 'ru_RU', 'es_VE', 'ca_ES', 'se_NO', 'es_EC', 'id_ID',
'ka_GE', 'es_CL', 'wa_BE', 'hu_HU', 'lt_LT', 'sl_SI', 'hr_HR', 'es_AR',
'es_ES', 'oc_FR', 'gl_ES', 'bg_BG', 'is_IS', 'mk_MK', 'de_AT', 'pt_BR',
'da_DK', 'nn_NO', 'cs_CZ', 'de_LU', 'es_BO', 'sq_AL', 'sk_SK', 'fr_CH',
'de_DE', 'sr_YU', 'br_FR', 'nl_BE', 'sv_FI', 'pl_PL', 'fr_CA', 'fo_FO',
'bs_BA', 'fr_LU', 'kl_GL', 'fa_IR', 'de_BE', 'sv_SE', 'it_CH', 'uk_UA',
'eu_ES', 'vi_VN', 'af_ZA', 'nb_NO', 'en_DK', 'tg_TJ', 'ps_AF', 'en_US',
'fr_FR.ISO8859-1', 'fr_FR.UTF-8', 'fr_FR.ISO8859-15@euro',
'ru_RU.KOI8-R', 'ko_KR.eucKR']
def setUpModule():
global candidate_locales
# Issue #13441: Skip some locales (e.g. cs_CZ and hu_HU) on Solaris to
# workaround a mbstowcs() bug. For example, on Solaris, the hu_HU locale uses
# the locale encoding ISO-8859-2, the thousands separator is b'\xA0' and it is
# decoded as U+30000020 (an invalid character) by mbstowcs().
if sys.platform == 'sunos5':
old_locale = locale.setlocale(locale.LC_ALL)
try:
locales = []
for loc in candidate_locales:
try:
locale.setlocale(locale.LC_ALL, loc)
except Error:
continue
encoding = locale.getencoding()
try:
localeconv()
except Exception as err:
print("WARNING: Skip locale %s (encoding %s): [%s] %s"
% (loc, encoding, type(err), err))
else:
locales.append(loc)
candidate_locales = locales
finally:
locale.setlocale(locale.LC_ALL, old_locale)
# Workaround for MSVC6(debug) crash bug
if "MSC v.1200" in sys.version:
def accept(loc):
a = loc.split(".")
return not(len(a) == 2 and len(a[-1]) >= 9)
candidate_locales = [loc for loc in candidate_locales if accept(loc)]
# List known locale values to test against when available.
# Dict formatted as ``<locale> : (<decimal_point>, <thousands_sep>)``. If a
# value is not known, use '' .
known_numerics = {
'en_US': ('.', ','),
'de_DE' : (',', '.'),
# The French thousands separator may be a breaking or non-breaking space
# depending on the platform, so do not test it
'fr_FR' : (',', ''),
'ps_AF': ('\u066b', '\u066c'),
}
known_alt_digits = {
'C': (0, {}),
'en_US': (0, {}),
'fa_IR': (100, {0: '\u06f0\u06f0', 10: '\u06f1\u06f0', 99: '\u06f9\u06f9'}),
'ja_JP': (100, {0: '\u3007', 10: '\u5341', 99: '\u4e5d\u5341\u4e5d'}),
'lzh_TW': (32, {0: '\u3007', 10: '\u5341', 31: '\u5345\u4e00'}),
'my_MM': (100, {0: '\u1040\u1040', 10: '\u1041\u1040', 99: '\u1049\u1049'}),
'or_IN': (100, {0: '\u0b66', 10: '\u0b67\u0b66', 99: '\u0b6f\u0b6f'}),
'shn_MM': (100, {0: '\u1090\u1090', 10: '\u1091\u1090', 99: '\u1099\u1099'}),
}
if sys.platform == 'win32':
# ps_AF doesn't work on Windows: see bpo-38324 (msg361830)
del known_numerics['ps_AF']
class _LocaleTests(unittest.TestCase):
def setUp(self):
self.oldlocale = setlocale(LC_ALL)
def tearDown(self):
setlocale(LC_ALL, self.oldlocale)
# Want to know what value was calculated, what it was compared against,
# what function was used for the calculation, what type of data was used,
# the locale that was supposedly set, and the actual locale that is set.
lc_numeric_err_msg = "%s != %s (%s for %s; set to %s, using %s)"
def numeric_tester(self, calc_type, calc_value, data_type, used_locale):
"""Compare calculation against known value, if available"""
try:
set_locale = setlocale(LC_NUMERIC)
except Error:
set_locale = "<not able to determine>"
known_value = known_numerics.get(used_locale,
('', ''))[data_type == 'thousands_sep']
if known_value and calc_value:
self.assertEqual(calc_value, known_value,
self.lc_numeric_err_msg % (
calc_value, known_value,
calc_type, data_type, set_locale,
used_locale))
return True
@unittest.skipUnless(nl_langinfo, "nl_langinfo is not available")
@unittest.skipIf(
support.is_emscripten or support.is_wasi,
"musl libc issue on Emscripten, bpo-46390"
)
def test_lc_numeric_nl_langinfo(self):
# Test nl_langinfo against known values
tested = False
oldloc = setlocale(LC_CTYPE)
for loc in candidate_locales:
try:
setlocale(LC_NUMERIC, loc)
except Error:
continue
for li, lc in ((RADIXCHAR, "decimal_point"),
(THOUSEP, "thousands_sep")):
if self.numeric_tester('nl_langinfo', nl_langinfo(li), lc, loc):
tested = True
self.assertEqual(setlocale(LC_CTYPE), oldloc)
if not tested:
self.skipTest('no suitable locales')
@unittest.skipIf(
support.is_emscripten or support.is_wasi,
"musl libc issue on Emscripten, bpo-46390"
)
def test_lc_numeric_localeconv(self):
# Test localeconv against known values
tested = False
oldloc = setlocale(LC_CTYPE)
for loc in candidate_locales:
try:
setlocale(LC_NUMERIC, loc)
except Error:
continue
formatting = localeconv()
for lc in ("decimal_point",
"thousands_sep"):
if self.numeric_tester('localeconv', formatting[lc], lc, loc):
tested = True
self.assertEqual(setlocale(LC_CTYPE), oldloc)
if not tested:
self.skipTest('no suitable locales')
@unittest.skipUnless(nl_langinfo, "nl_langinfo is not available")
def test_lc_numeric_basic(self):
# Test nl_langinfo against localeconv
tested = False
oldloc = setlocale(LC_CTYPE)
for loc in candidate_locales:
try:
setlocale(LC_NUMERIC, loc)
except Error:
continue
for li, lc in ((RADIXCHAR, "decimal_point"),
(THOUSEP, "thousands_sep")):
nl_radixchar = nl_langinfo(li)
li_radixchar = localeconv()[lc]
try:
set_locale = setlocale(LC_NUMERIC)
except Error:
set_locale = "<not able to determine>"
self.assertEqual(nl_radixchar, li_radixchar,
"%s (nl_langinfo) != %s (localeconv) "
"(set to %s, using %s)" % (
nl_radixchar, li_radixchar,
loc, set_locale))
tested = True
self.assertEqual(setlocale(LC_CTYPE), oldloc)
if not tested:
self.skipTest('no suitable locales')
@unittest.skipUnless(nl_langinfo, "nl_langinfo is not available")
@unittest.skipUnless(hasattr(locale, 'ALT_DIGITS'), "requires locale.ALT_DIGITS")
@unittest.skipIf(
support.is_emscripten or support.is_wasi,
"musl libc issue on Emscripten, bpo-46390"
)
def test_alt_digits_nl_langinfo(self):
# Test nl_langinfo(ALT_DIGITS)
tested = False
for loc, (count, samples) in known_alt_digits.items():
with self.subTest(locale=loc):
try:
setlocale(LC_TIME, loc)
except Error:
self.skipTest(f'no locale {loc!r}')
continue
with self.subTest(locale=loc):
alt_digits = nl_langinfo(locale.ALT_DIGITS)
self.assertIsInstance(alt_digits, tuple)
if count and not alt_digits and support.is_apple:
self.skipTest(f'ALT_DIGITS is not set for locale {loc!r} on Apple platforms')
self.assertEqual(len(alt_digits), count)
for i in samples:
self.assertEqual(alt_digits[i], samples[i])
tested = True
if not tested:
self.skipTest('no suitable locales')
def test_float_parsing(self):
# Bug #1391872: Test whether float parsing is okay on European
# locales.
tested = False
oldloc = setlocale(LC_CTYPE)
for loc in candidate_locales:
try:
setlocale(LC_NUMERIC, loc)
except Error:
continue
# Ignore buggy locale databases. (Mac OS 10.4 and some other BSDs)
if loc == 'eu_ES' and localeconv()['decimal_point'] == "' ":
continue
self.assertEqual(int(eval('3.14') * 100), 314,
"using eval('3.14') failed for %s" % loc)
self.assertEqual(int(float('3.14') * 100), 314,
"using float('3.14') failed for %s" % loc)
if localeconv()['decimal_point'] != '.':
self.assertRaises(ValueError, float,
localeconv()['decimal_point'].join(['1', '23']))
tested = True
self.assertEqual(setlocale(LC_CTYPE), oldloc)
if not tested:
self.skipTest('no suitable locales')
if __name__ == '__main__':
unittest.main()
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