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      1 from _locale import (setlocale, LC_ALL, LC_CTYPE, LC_NUMERIC, localeconv, Error)
      2 try:
      3     from _locale import (RADIXCHAR, THOUSEP, nl_langinfo)
      4 except ImportError:
      5     nl_langinfo = None
      6 
      7 import locale
      8 import sys
      9 import unittest
     10 from platform import uname
     11 
     12 if uname().system == "Darwin":
     13     maj, min, mic = [int(part) for part in uname().release.split(".")]
     14     if (maj, min, mic) < (8, 0, 0):
     15         raise unittest.SkipTest("locale support broken for OS X < 10.4")
     16 
     17 candidate_locales = ['es_UY', 'fr_FR', 'fi_FI', 'es_CO', 'pt_PT', 'it_IT',
     18     'et_EE', 'es_PY', 'no_NO', 'nl_NL', 'lv_LV', 'el_GR', 'be_BY', 'fr_BE',
     19     'ro_RO', 'ru_UA', 'ru_RU', 'es_VE', 'ca_ES', 'se_NO', 'es_EC', 'id_ID',
     20     'ka_GE', 'es_CL', 'wa_BE', 'hu_HU', 'lt_LT', 'sl_SI', 'hr_HR', 'es_AR',
     21     'es_ES', 'oc_FR', 'gl_ES', 'bg_BG', 'is_IS', 'mk_MK', 'de_AT', 'pt_BR',
     22     'da_DK', 'nn_NO', 'cs_CZ', 'de_LU', 'es_BO', 'sq_AL', 'sk_SK', 'fr_CH',
     23     'de_DE', 'sr_YU', 'br_FR', 'nl_BE', 'sv_FI', 'pl_PL', 'fr_CA', 'fo_FO',
     24     'bs_BA', 'fr_LU', 'kl_GL', 'fa_IR', 'de_BE', 'sv_SE', 'it_CH', 'uk_UA',
     25     'eu_ES', 'vi_VN', 'af_ZA', 'nb_NO', 'en_DK', 'tg_TJ', 'ps_AF', 'en_US',
     26     'fr_FR.ISO8859-1', 'fr_FR.UTF-8', 'fr_FR.ISO8859-15@euro',
     27     'ru_RU.KOI8-R', 'ko_KR.eucKR']
     28 
     29 def setUpModule():
     30     global candidate_locales
     31     # Issue #13441: Skip some locales (e.g. cs_CZ and hu_HU) on Solaris to
     32     # workaround a mbstowcs() bug. For example, on Solaris, the hu_HU locale uses
     33     # the locale encoding ISO-8859-2, the thousauds separator is b'\xA0' and it is
     34     # decoded as U+30000020 (an invalid character) by mbstowcs().
     35     if sys.platform == 'sunos5':
     36         old_locale = locale.setlocale(locale.LC_ALL)
     37         try:
     38             locales = []
     39             for loc in candidate_locales:
     40                 try:
     41                     locale.setlocale(locale.LC_ALL, loc)
     42                 except Error:
     43                     continue
     44                 encoding = locale.getpreferredencoding(False)
     45                 try:
     46                     localeconv()
     47                 except Exception as err:
     48                     print("WARNING: Skip locale %s (encoding %s): [%s] %s"
     49                         % (loc, encoding, type(err), err))
     50                 else:
     51                     locales.append(loc)
     52             candidate_locales = locales
     53         finally:
     54             locale.setlocale(locale.LC_ALL, old_locale)
     55 
     56     # Workaround for MSVC6(debug) crash bug
     57     if "MSC v.1200" in sys.version:
     58         def accept(loc):
     59             a = loc.split(".")
     60             return not(len(a) == 2 and len(a[-1]) >= 9)
     61         candidate_locales = [loc for loc in candidate_locales if accept(loc)]
     62 
     63 # List known locale values to test against when available.
     64 # Dict formatted as ``<locale> : (<decimal_point>, <thousands_sep>)``.  If a
     65 # value is not known, use '' .
     66 known_numerics = {
     67     'en_US': ('.', ','),
     68     'de_DE' : (',', '.'),
     69     # The French thousands separator may be a breaking or non-breaking space
     70     # depending on the platform, so do not test it
     71     'fr_FR' : (',', ''),
     72     'ps_AF': ('\u066b', '\u066c'),
     73 }
     74 
     75 class _LocaleTests(unittest.TestCase):
     76 
     77     def setUp(self):
     78         self.oldlocale = setlocale(LC_ALL)
     79 
     80     def tearDown(self):
     81         setlocale(LC_ALL, self.oldlocale)
     82 
     83     # Want to know what value was calculated, what it was compared against,
     84     # what function was used for the calculation, what type of data was used,
     85     # the locale that was supposedly set, and the actual locale that is set.
     86     lc_numeric_err_msg = "%s != %s (%s for %s; set to %s, using %s)"
     87 
     88     def numeric_tester(self, calc_type, calc_value, data_type, used_locale):
     89         """Compare calculation against known value, if available"""
     90         try:
     91             set_locale = setlocale(LC_NUMERIC)
     92         except Error:
     93             set_locale = "<not able to determine>"
     94         known_value = known_numerics.get(used_locale,
     95                                     ('', ''))[data_type == 'thousands_sep']
     96         if known_value and calc_value:
     97             self.assertEqual(calc_value, known_value,
     98                                 self.lc_numeric_err_msg % (
     99                                     calc_value, known_value,
    100                                     calc_type, data_type, set_locale,
    101                                     used_locale))
    102             return True
    103 
    104     @unittest.skipUnless(nl_langinfo, "nl_langinfo is not available")
    105     def test_lc_numeric_nl_langinfo(self):
    106         # Test nl_langinfo against known values
    107         tested = False
    108         for loc in candidate_locales:
    109             try:
    110                 setlocale(LC_NUMERIC, loc)
    111                 setlocale(LC_CTYPE, loc)
    112             except Error:
    113                 continue
    114             for li, lc in ((RADIXCHAR, "decimal_point"),
    115                             (THOUSEP, "thousands_sep")):
    116                 if self.numeric_tester('nl_langinfo', nl_langinfo(li), lc, loc):
    117                     tested = True
    118         if not tested:
    119             self.skipTest('no suitable locales')
    120 
    121     def test_lc_numeric_localeconv(self):
    122         # Test localeconv against known values
    123         tested = False
    124         for loc in candidate_locales:
    125             try:
    126                 setlocale(LC_NUMERIC, loc)
    127                 setlocale(LC_CTYPE, loc)
    128             except Error:
    129                 continue
    130             formatting = localeconv()
    131             for lc in ("decimal_point",
    132                         "thousands_sep"):
    133                 if self.numeric_tester('localeconv', formatting[lc], lc, loc):
    134                     tested = True
    135         if not tested:
    136             self.skipTest('no suitable locales')
    137 
    138     @unittest.skipUnless(nl_langinfo, "nl_langinfo is not available")
    139     def test_lc_numeric_basic(self):
    140         # Test nl_langinfo against localeconv
    141         tested = False
    142         for loc in candidate_locales:
    143             try:
    144                 setlocale(LC_NUMERIC, loc)
    145                 setlocale(LC_CTYPE, loc)
    146             except Error:
    147                 continue
    148             for li, lc in ((RADIXCHAR, "decimal_point"),
    149                             (THOUSEP, "thousands_sep")):
    150                 nl_radixchar = nl_langinfo(li)
    151                 li_radixchar = localeconv()[lc]
    152                 try:
    153                     set_locale = setlocale(LC_NUMERIC)
    154                 except Error:
    155                     set_locale = "<not able to determine>"
    156                 self.assertEqual(nl_radixchar, li_radixchar,
    157                                 "%s (nl_langinfo) != %s (localeconv) "
    158                                 "(set to %s, using %s)" % (
    159                                                 nl_radixchar, li_radixchar,
    160                                                 loc, set_locale))
    161                 tested = True
    162         if not tested:
    163             self.skipTest('no suitable locales')
    164 
    165     def test_float_parsing(self):
    166         # Bug #1391872: Test whether float parsing is okay on European
    167         # locales.
    168         tested = False
    169         for loc in candidate_locales:
    170             try:
    171                 setlocale(LC_NUMERIC, loc)
    172                 setlocale(LC_CTYPE, loc)
    173             except Error:
    174                 continue
    175 
    176             # Ignore buggy locale databases. (Mac OS 10.4 and some other BSDs)
    177             if loc == 'eu_ES' and localeconv()['decimal_point'] == "' ":
    178                 continue
    179 
    180             self.assertEqual(int(eval('3.14') * 100), 314,
    181                                 "using eval('3.14') failed for %s" % loc)
    182             self.assertEqual(int(float('3.14') * 100), 314,
    183                                 "using float('3.14') failed for %s" % loc)
    184             if localeconv()['decimal_point'] != '.':
    185                 self.assertRaises(ValueError, float,
    186                                   localeconv()['decimal_point'].join(['1', '23']))
    187             tested = True
    188         if not tested:
    189             self.skipTest('no suitable locales')
    190 
    191 
    192 if __name__ == '__main__':
    193     unittest.main()
    194