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locale.py
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"""Locale support module.
The module provides low-level access to the C lib's locale APIs and adds high
level number formatting APIs as well as a locale aliasing engine to complement
these.
The aliasing engine includes support for many commonly used locale names and
maps them to values suitable for passing to the C lib's setlocale() function. It
also includes default encodings for all supported locale names.
"""
import sys
import encodings
import encodings.aliases
import re
import _collections_abc
from builtins import str as _builtin_str
import functools
# Try importing the _locale module.
#
# If this fails, fall back on a basic 'C' locale emulation.
# Yuck: LC_MESSAGES is non-standard: can't tell whether it exists before
# trying the import. So __all__ is also fiddled at the end of the file.
__all__ = ["getlocale", "getdefaultlocale", "getpreferredencoding", "Error",
"setlocale", "resetlocale", "localeconv", "strcoll", "strxfrm",
"str", "atof", "atoi", "format", "format_string", "currency",
"normalize", "LC_CTYPE", "LC_COLLATE", "LC_TIME", "LC_MONETARY",
"LC_NUMERIC", "LC_ALL", "CHAR_MAX"]
def _strcoll(a,b):
""" strcoll(string,string) -> int.
Compares two strings according to the locale.
"""
return (a > b) - (a < b)
def _strxfrm(s):
""" strxfrm(string) -> string.
Returns a string that behaves for cmp locale-aware.
"""
return s
try:
from _locale import *
except ImportError:
# Locale emulation
CHAR_MAX = 127
LC_ALL = 6
LC_COLLATE = 3
LC_CTYPE = 0
LC_MESSAGES = 5
LC_MONETARY = 4
LC_NUMERIC = 1
LC_TIME = 2
Error = ValueError
def localeconv():
""" localeconv() -> dict.
Returns numeric and monetary locale-specific parameters.
"""
# 'C' locale default values
return {'grouping': [127],
'currency_symbol': '',
'n_sign_posn': 127,
'p_cs_precedes': 127,
'n_cs_precedes': 127,
'mon_grouping': [],
'n_sep_by_space': 127,
'decimal_point': '.',
'negative_sign': '',
'positive_sign': '',
'p_sep_by_space': 127,
'int_curr_symbol': '',
'p_sign_posn': 127,
'thousands_sep': '',
'mon_thousands_sep': '',
'frac_digits': 127,
'mon_decimal_point': '',
'int_frac_digits': 127}
def setlocale(category, value=None):
""" setlocale(integer,string=None) -> string.
Activates/queries locale processing.
"""
if value not in (None, '', 'C'):
raise Error('_locale emulation only supports "C" locale')
return 'C'
# These may or may not exist in _locale, so be sure to set them.
if 'strxfrm' not in globals():
strxfrm = _strxfrm
if 'strcoll' not in globals():
strcoll = _strcoll
_localeconv = localeconv
# With this dict, you can override some items of localeconv's return value.
# This is useful for testing purposes.
_override_localeconv = {}
@functools.wraps(_localeconv)
def localeconv():
d = _localeconv()
if _override_localeconv:
d.update(_override_localeconv)
return d
### Number formatting APIs
# Author: Martin von Loewis
# improved by Georg Brandl
# Iterate over grouping intervals
def _grouping_intervals(grouping):
last_interval = None
for interval in grouping:
# if grouping is -1, we are done
if interval == CHAR_MAX:
return
# 0: re-use last group ad infinitum
if interval == 0:
if last_interval is None:
raise ValueError("invalid grouping")
while True:
yield last_interval
yield interval
last_interval = interval
#perform the grouping from right to left
def _group(s, monetary=False):
conv = localeconv()
thousands_sep = conv[monetary and 'mon_thousands_sep' or 'thousands_sep']
grouping = conv[monetary and 'mon_grouping' or 'grouping']
if not grouping:
return (s, 0)
if s[-1] == ' ':
stripped = s.rstrip()
right_spaces = s[len(stripped):]
s = stripped
else:
right_spaces = ''
left_spaces = ''
groups = []
for interval in _grouping_intervals(grouping):
if not s or s[-1] not in "0123456789":
# only non-digit characters remain (sign, spaces)
left_spaces = s
s = ''
break
groups.append(s[-interval:])
s = s[:-interval]
if s:
groups.append(s)
groups.reverse()
return (
left_spaces + thousands_sep.join(groups) + right_spaces,
len(thousands_sep) * (len(groups) - 1)
)
# Strip a given amount of excess padding from the given string
def _strip_padding(s, amount):
lpos = 0
while amount and s[lpos] == ' ':
lpos += 1
amount -= 1
rpos = len(s) - 1
while amount and s[rpos] == ' ':
rpos -= 1
amount -= 1
return s[lpos:rpos+1]
_percent_re = re.compile(r'%(?:\((?P<key>.*?)\))?'
r'(?P<modifiers>[-#0-9 +*.hlL]*?)[eEfFgGdiouxXcrs%]')
def _format(percent, value, grouping=False, monetary=False, *additional):
if additional:
formatted = percent % ((value,) + additional)
else:
formatted = percent % value
# floats and decimal ints need special action!
if percent[-1] in 'eEfFgG':
seps = 0
parts = formatted.split('.')
if grouping:
parts[0], seps = _group(parts[0], monetary=monetary)
decimal_point = localeconv()[monetary and 'mon_decimal_point'
or 'decimal_point']
formatted = decimal_point.join(parts)
if seps:
formatted = _strip_padding(formatted, seps)
elif percent[-1] in 'diu':
seps = 0
if grouping:
formatted, seps = _group(formatted, monetary=monetary)
if seps:
formatted = _strip_padding(formatted, seps)
return formatted
def format_string(f, val, grouping=False, monetary=False):
"""Formats a string in the same way that the % formatting would use,
but takes the current locale into account.
Grouping is applied if the third parameter is true.
Conversion uses monetary thousands separator and grouping strings if
forth parameter monetary is true."""
percents = list(_percent_re.finditer(f))
new_f = _percent_re.sub('%s', f)
if isinstance(val, _collections_abc.Mapping):
new_val = []
for perc in percents:
if perc.group()[-1]=='%':
new_val.append('%')
else:
new_val.append(_format(perc.group(), val, grouping, monetary))
else:
if not isinstance(val, tuple):
val = (val,)
new_val = []
i = 0
for perc in percents:
if perc.group()[-1]=='%':
new_val.append('%')
else:
starcount = perc.group('modifiers').count('*')
new_val.append(_format(perc.group(),
val[i],
grouping,
monetary,
*val[i+1:i+1+starcount]))
i += (1 + starcount)
val = tuple(new_val)
return new_f % val
def format(percent, value, grouping=False, monetary=False, *additional):
"""Deprecated, use format_string instead."""
import warnings
warnings.warn(
"This method will be removed in a future version of Python. "
"Use 'locale.format_string()' instead.",
DeprecationWarning, stacklevel=2
)
match = _percent_re.match(percent)
if not match or len(match.group())!= len(percent):
raise ValueError(("format() must be given exactly one %%char "
"format specifier, %s not valid") % repr(percent))
return _format(percent, value, grouping, monetary, *additional)
def currency(val, symbol=True, grouping=False, international=False):
"""Formats val according to the currency settings
in the current locale."""
conv = localeconv()
# check for illegal values
digits = conv[international and 'int_frac_digits' or 'frac_digits']
if digits == 127:
raise ValueError("Currency formatting is not possible using "
"the 'C' locale.")
s = _format('%%.%if' % digits, abs(val), grouping, monetary=True)
# '<' and '>' are markers if the sign must be inserted between symbol and value
s = '<' + s + '>'
if symbol:
smb = conv[international and 'int_curr_symbol' or 'currency_symbol']
precedes = conv[val<0 and 'n_cs_precedes' or 'p_cs_precedes']
separated = conv[val<0 and 'n_sep_by_space' or 'p_sep_by_space']
if precedes:
s = smb + (separated and ' ' or '') + s
else:
if international and smb[-1] == ' ':
smb = smb[:-1]
s = s + (separated and ' ' or '') + smb
sign_pos = conv[val<0 and 'n_sign_posn' or 'p_sign_posn']
sign = conv[val<0 and 'negative_sign' or 'positive_sign']
if sign_pos == 0:
s = '(' + s + ')'
elif sign_pos == 1:
s = sign + s
elif sign_pos == 2:
s = s + sign
elif sign_pos == 3:
s = s.replace('<', sign)
elif sign_pos == 4:
s = s.replace('>', sign)
else:
# the default if nothing specified;
# this should be the most fitting sign position
s = sign + s
return s.replace('<', '').replace('>', '')
def str(val):
"""Convert float to string, taking the locale into account."""
return _format("%.12g", val)
def delocalize(string):
"Parses a string as a normalized number according to the locale settings."
conv = localeconv()
#First, get rid of the grouping
ts = conv['thousands_sep']
if ts:
string = string.replace(ts, '')
#next, replace the decimal point with a dot
dd = conv['decimal_point']
if dd:
string = string.replace(dd, '.')
return string
def atof(string, func=float):
"Parses a string as a float according to the locale settings."
return func(delocalize(string))
def atoi(string):
"Converts a string to an integer according to the locale settings."
return int(delocalize(string))
def _test():
setlocale(LC_ALL, "")
#do grouping
s1 = format_string("%d", 123456789,1)
print(s1, "is", atoi(s1))
#standard formatting
s1 = str(3.14)
print(s1, "is", atof(s1))
### Locale name aliasing engine
# Author: Marc-Andre Lemburg, [email protected]
# Various tweaks by Fredrik Lundh <[email protected]>
# store away the low-level version of setlocale (it's
# overridden below)
_setlocale = setlocale
def _replace_encoding(code, encoding):
if '.' in code:
langname = code[:code.index('.')]
else:
langname = code
# Convert the encoding to a C lib compatible encoding string
norm_encoding = encodings.normalize_encoding(encoding)
#print('norm encoding: %r' % norm_encoding)
norm_encoding = encodings.aliases.aliases.get(norm_encoding.lower(),
norm_encoding)
#print('aliased encoding: %r' % norm_encoding)
encoding = norm_encoding
norm_encoding = norm_encoding.lower()
if norm_encoding in locale_encoding_alias:
encoding = locale_encoding_alias[norm_encoding]
else:
norm_encoding = norm_encoding.replace('_', '')
norm_encoding = norm_encoding.replace('-', '')
if norm_encoding in locale_encoding_alias:
encoding = locale_encoding_alias[norm_encoding]
#print('found encoding %r' % encoding)
return langname + '.' + encoding
def _append_modifier(code, modifier):
if modifier == 'euro':
if '.' not in code:
return code + '.ISO8859-15'
_, _, encoding = code.partition('.')
if encoding in ('ISO8859-15', 'UTF-8'):
return code
if encoding == 'ISO8859-1':
return _replace_encoding(code, 'ISO8859-15')
return code + '@' + modifier
def normalize(localename):
""" Returns a normalized locale code for the given locale
name.
The returned locale code is formatted for use with
setlocale().
If normalization fails, the original name is returned
unchanged.
If the given encoding is not known, the function defaults to
the default encoding for the locale code just like setlocale()
does.
"""
# Normalize the locale name and extract the encoding and modifier
code = localename.lower()
if ':' in code:
# ':' is sometimes used as encoding delimiter.
code = code.replace(':', '.')
if '@' in code:
code, modifier = code.split('@', 1)
else:
modifier = ''
if '.' in code:
langname, encoding = code.split('.')[:2]
else:
langname = code
encoding = ''
# First lookup: fullname (possibly with encoding and modifier)
lang_enc = langname
if encoding:
norm_encoding = encoding.replace('-', '')
norm_encoding = norm_encoding.replace('_', '')
lang_enc += '.' + norm_encoding
lookup_name = lang_enc
if modifier:
lookup_name += '@' + modifier
code = locale_alias.get(lookup_name, None)
if code is not None:
return code
#print('first lookup failed')
if modifier:
# Second try: fullname without modifier (possibly with encoding)
code = locale_alias.get(lang_enc, None)
if code is not None:
#print('lookup without modifier succeeded')
if '@' not in code:
return _append_modifier(code, modifier)
if code.split('@', 1)[1].lower() == modifier:
return code
#print('second lookup failed')
if encoding:
# Third try: langname (without encoding, possibly with modifier)
lookup_name = langname
if modifier:
lookup_name += '@' + modifier
code = locale_alias.get(lookup_name, None)
if code is not None:
#print('lookup without encoding succeeded')
if '@' not in code:
return _replace_encoding(code, encoding)
code, modifier = code.split('@', 1)
return _replace_encoding(code, encoding) + '@' + modifier
if modifier:
# Fourth try: langname (without encoding and modifier)
code = locale_alias.get(langname, None)
if code is not None:
#print('lookup without modifier and encoding succeeded')
if '@' not in code:
code = _replace_encoding(code, encoding)
return _append_modifier(code, modifier)
code, defmod = code.split('@', 1)
if defmod.lower() == modifier:
return _replace_encoding(code, encoding) + '@' + defmod
return localename
def _parse_localename(localename):
""" Parses the locale code for localename and returns the
result as tuple (language code, encoding).
The localename is normalized and passed through the locale
alias engine. A ValueError is raised in case the locale name
cannot be parsed.
The language code corresponds to RFC 1766. code and encoding
can be None in case the values cannot be determined or are
unknown to this implementation.
"""
code = normalize(localename)
if '@' in code:
# Deal with locale modifiers
code, modifier = code.split('@', 1)
if modifier == 'euro' and '.' not in code:
# Assume Latin-9 for @euro locales. This is bogus,
# since some systems may use other encodings for these
# locales. Also, we ignore other modifiers.
return code, 'iso-8859-15'
if '.' in code:
return tuple(code.split('.')[:2])
elif code == 'C':
return None, None
elif code == 'UTF-8':
# On macOS "LC_CTYPE=UTF-8" is a valid locale setting
# for getting UTF-8 handling for text.
return None, 'UTF-8'
raise ValueError('unknown locale: %s' % localename)
def _build_localename(localetuple):
""" Builds a locale code from the given tuple (language code,
encoding).
No aliasing or normalizing takes place.
"""
try:
language, encoding = localetuple
if language is None:
language = 'C'
if encoding is None:
return language
else:
return language + '.' + encoding
except (TypeError, ValueError):
raise TypeError('Locale must be None, a string, or an iterable of '
'two strings -- language code, encoding.') from None
def getdefaultlocale(envvars=('LC_ALL', 'LC_CTYPE', 'LANG', 'LANGUAGE')):
""" Tries to determine the default locale settings and returns
them as tuple (language code, encoding).
According to POSIX, a program which has not called
setlocale(LC_ALL, "") runs using the portable 'C' locale.
Calling setlocale(LC_ALL, "") lets it use the default locale as
defined by the LANG variable. Since we don't want to interfere
with the current locale setting we thus emulate the behavior
in the way described above.
To maintain compatibility with other platforms, not only the
LANG variable is tested, but a list of variables given as
envvars parameter. The first found to be defined will be
used. envvars defaults to the search path used in GNU gettext;
it must always contain the variable name 'LANG'.
Except for the code 'C', the language code corresponds to RFC
1766. code and encoding can be None in case the values cannot
be determined.
"""
try:
# check if it's supported by the _locale module
import _locale
code, encoding = _locale._getdefaultlocale()
except (ImportError, AttributeError):
pass
else:
# make sure the code/encoding values are valid
if sys.platform == "win32" and code and code[:2] == "0x":
# map windows language identifier to language name
code = windows_locale.get(int(code, 0))
# ...add other platform-specific processing here, if
# necessary...
return code, encoding
# fall back on POSIX behaviour
import os
lookup = os.environ.get
for variable in envvars:
localename = lookup(variable,None)
if localename:
if variable == 'LANGUAGE':
localename = localename.split(':')[0]
break
else:
localename = 'C'
return _parse_localename(localename)
def getlocale(category=LC_CTYPE):
""" Returns the current setting for the given locale category as
tuple (language code, encoding).
category may be one of the LC_* value except LC_ALL. It
defaults to LC_CTYPE.
Except for the code 'C', the language code corresponds to RFC
1766. code and encoding can be None in case the values cannot
be determined.
"""
localename = _setlocale(category)
if category == LC_ALL and ';' in localename:
raise TypeError('category LC_ALL is not supported')
return _parse_localename(localename)
def setlocale(category, locale=None):
""" Set the locale for the given category. The locale can be
a string, an iterable of two strings (language code and encoding),
or None.
Iterables are converted to strings using the locale aliasing
engine. Locale strings are passed directly to the C lib.
category may be given as one of the LC_* values.
"""
if locale and not isinstance(locale, _builtin_str):
# convert to string
locale = normalize(_build_localename(locale))
return _setlocale(category, locale)
def resetlocale(category=LC_ALL):
""" Sets the locale for category to the default setting.
The default setting is determined by calling
getdefaultlocale(). category defaults to LC_ALL.
"""
_setlocale(category, _build_localename(getdefaultlocale()))
if sys.platform.startswith("win"):
# On Win32, this will return the ANSI code page
def getpreferredencoding(do_setlocale = True):
"""Return the charset that the user is likely using."""
if sys.flags.utf8_mode:
return 'UTF-8'
import _bootlocale
return _bootlocale.getpreferredencoding(False)
else:
# On Unix, if CODESET is available, use that.
try:
CODESET
except NameError:
if hasattr(sys, 'getandroidapilevel'):
# On Android langinfo.h and CODESET are missing, and UTF-8 is
# always used in mbstowcs() and wcstombs().
def getpreferredencoding(do_setlocale = True):
return 'UTF-8'
else:
# Fall back to parsing environment variables :-(
def getpreferredencoding(do_setlocale = True):
"""Return the charset that the user is likely using,
by looking at environment variables."""
if sys.flags.utf8_mode:
return 'UTF-8'
res = getdefaultlocale()[1]
if res is None:
# LANG not set, default conservatively to ASCII
res = 'ascii'
return res
else:
def getpreferredencoding(do_setlocale = True):
"""Return the charset that the user is likely using,
according to the system configuration."""
if sys.flags.utf8_mode:
return 'UTF-8'
import _bootlocale
if do_setlocale:
oldloc = setlocale(LC_CTYPE)
try:
setlocale(LC_CTYPE, "")
except Error:
pass
result = _bootlocale.getpreferredencoding(False)
if do_setlocale:
setlocale(LC_CTYPE, oldloc)
return result
### Database
#
# The following data was extracted from the locale.alias file which
# comes with X11 and then hand edited removing the explicit encoding
# definitions and adding some more aliases. The file is usually
# available as /usr/lib/X11/locale/locale.alias.
#
#
# The local_encoding_alias table maps lowercase encoding alias names
# to C locale encoding names (case-sensitive). Note that normalize()
# first looks up the encoding in the encodings.aliases dictionary and
# then applies this mapping to find the correct C lib name for the
# encoding.
#
locale_encoding_alias = {
# Mappings for non-standard encoding names used in locale names
'437': 'C',
'c': 'C',
'en': 'ISO8859-1',
'jis': 'JIS7',
'jis7': 'JIS7',
'ajec': 'eucJP',
'koi8c': 'KOI8-C',
'microsoftcp1251': 'CP1251',
'microsoftcp1255': 'CP1255',
'microsoftcp1256': 'CP1256',
'88591': 'ISO8859-1',
'88592': 'ISO8859-2',
'88595': 'ISO8859-5',
'885915': 'ISO8859-15',
# Mappings from Python codec names to C lib encoding names
'ascii': 'ISO8859-1',
'latin_1': 'ISO8859-1',
'iso8859_1': 'ISO8859-1',
'iso8859_10': 'ISO8859-10',
'iso8859_11': 'ISO8859-11',
'iso8859_13': 'ISO8859-13',
'iso8859_14': 'ISO8859-14',
'iso8859_15': 'ISO8859-15',
'iso8859_16': 'ISO8859-16',
'iso8859_2': 'ISO8859-2',
'iso8859_3': 'ISO8859-3',
'iso8859_4': 'ISO8859-4',
'iso8859_5': 'ISO8859-5',
'iso8859_6': 'ISO8859-6',
'iso8859_7': 'ISO8859-7',
'iso8859_8': 'ISO8859-8',
'iso8859_9': 'ISO8859-9',
'iso2022_jp': 'JIS7',
'shift_jis': 'SJIS',
'tactis': 'TACTIS',
'euc_jp': 'eucJP',
'euc_kr': 'eucKR',
'utf_8': 'UTF-8',
'koi8_r': 'KOI8-R',
'koi8_t': 'KOI8-T',
'koi8_u': 'KOI8-U',
'kz1048': 'RK1048',
'cp1251': 'CP1251',
'cp1255': 'CP1255',
'cp1256': 'CP1256',
# XXX This list is still incomplete. If you know more
# mappings, please file a bug report. Thanks.
}
for k, v in sorted(locale_encoding_alias.items()):
k = k.replace('_', '')
locale_encoding_alias.setdefault(k, v)
#
# The locale_alias table maps lowercase alias names to C locale names
# (case-sensitive). Encodings are always separated from the locale
# name using a dot ('.'); they should only be given in case the
# language name is needed to interpret the given encoding alias
# correctly (CJK codes often have this need).
#
# Note that the normalize() function which uses this tables
# removes '_' and '-' characters from the encoding part of the
# locale name before doing the lookup. This saves a lot of
# space in the table.
#
# MAL 2004-12-10:
# Updated alias mapping to most recent locale.alias file
# from X.org distribution using makelocalealias.py.
#
# These are the differences compared to the old mapping (Python 2.4
# and older):
#
# updated 'bg' -> 'bg_BG.ISO8859-5' to 'bg_BG.CP1251'
# updated 'bg_bg' -> 'bg_BG.ISO8859-5' to 'bg_BG.CP1251'
# updated 'bulgarian' -> 'bg_BG.ISO8859-5' to 'bg_BG.CP1251'
# updated 'cz' -> 'cz_CZ.ISO8859-2' to 'cs_CZ.ISO8859-2'
# updated 'cz_cz' -> 'cz_CZ.ISO8859-2' to 'cs_CZ.ISO8859-2'
# updated 'czech' -> 'cs_CS.ISO8859-2' to 'cs_CZ.ISO8859-2'
# updated 'dutch' -> 'nl_BE.ISO8859-1' to 'nl_NL.ISO8859-1'
# updated 'et' -> 'et_EE.ISO8859-4' to 'et_EE.ISO8859-15'
# updated 'et_ee' -> 'et_EE.ISO8859-4' to 'et_EE.ISO8859-15'
# updated 'fi' -> 'fi_FI.ISO8859-1' to 'fi_FI.ISO8859-15'
# updated 'fi_fi' -> 'fi_FI.ISO8859-1' to 'fi_FI.ISO8859-15'
# updated 'iw' -> 'iw_IL.ISO8859-8' to 'he_IL.ISO8859-8'
# updated 'iw_il' -> 'iw_IL.ISO8859-8' to 'he_IL.ISO8859-8'
# updated 'japanese' -> 'ja_JP.SJIS' to 'ja_JP.eucJP'
# updated 'lt' -> 'lt_LT.ISO8859-4' to 'lt_LT.ISO8859-13'
# updated 'lv' -> 'lv_LV.ISO8859-4' to 'lv_LV.ISO8859-13'
# updated 'sl' -> 'sl_CS.ISO8859-2' to 'sl_SI.ISO8859-2'
# updated 'slovene' -> 'sl_CS.ISO8859-2' to 'sl_SI.ISO8859-2'
# updated 'th_th' -> 'th_TH.TACTIS' to 'th_TH.ISO8859-11'
# updated 'zh_cn' -> 'zh_CN.eucCN' to 'zh_CN.gb2312'
# updated 'zh_cn.big5' -> 'zh_TW.eucTW' to 'zh_TW.big5'
# updated 'zh_tw' -> 'zh_TW.eucTW' to 'zh_TW.big5'
#
# MAL 2008-05-30:
# Updated alias mapping to most recent locale.alias file
# from X.org distribution using makelocalealias.py.
#
# These are the differences compared to the old mapping (Python 2.5
# and older):
#
# updated 'cs_cs.iso88592' -> 'cs_CZ.ISO8859-2' to 'cs_CS.ISO8859-2'
# updated 'serbocroatian' -> 'sh_YU.ISO8859-2' to 'sr_CS.ISO8859-2'
# updated 'sh' -> 'sh_YU.ISO8859-2' to 'sr_CS.ISO8859-2'
# updated 'sh_hr.iso88592' -> 'sh_HR.ISO8859-2' to 'hr_HR.ISO8859-2'
# updated 'sh_sp' -> 'sh_YU.ISO8859-2' to 'sr_CS.ISO8859-2'
# updated 'sh_yu' -> 'sh_YU.ISO8859-2' to 'sr_CS.ISO8859-2'
# updated 'sp' -> 'sp_YU.ISO8859-5' to 'sr_CS.ISO8859-5'
# updated 'sp_yu' -> 'sp_YU.ISO8859-5' to 'sr_CS.ISO8859-5'
# updated 'sr' -> 'sr_YU.ISO8859-5' to 'sr_CS.ISO8859-5'
# updated 'sr@cyrillic' -> 'sr_YU.ISO8859-5' to 'sr_CS.ISO8859-5'
# updated 'sr_sp' -> 'sr_SP.ISO8859-2' to 'sr_CS.ISO8859-2'
# updated 'sr_yu' -> 'sr_YU.ISO8859-5' to 'sr_CS.ISO8859-5'
# updated 'sr_yu.cp1251@cyrillic' -> 'sr_YU.CP1251' to 'sr_CS.CP1251'
# updated 'sr_yu.iso88592' -> 'sr_YU.ISO8859-2' to 'sr_CS.ISO8859-2'
# updated 'sr_yu.iso88595' -> 'sr_YU.ISO8859-5' to 'sr_CS.ISO8859-5'
# updated 'sr_yu.iso88595@cyrillic' -> 'sr_YU.ISO8859-5' to 'sr_CS.ISO8859-5'
# updated 'sr_yu.microsoftcp1251@cyrillic' -> 'sr_YU.CP1251' to 'sr_CS.CP1251'
# updated 'sr_yu.utf8@cyrillic' -> 'sr_YU.UTF-8' to 'sr_CS.UTF-8'
# updated 'sr_yu@cyrillic' -> 'sr_YU.ISO8859-5' to 'sr_CS.ISO8859-5'
#
# AP 2010-04-12:
# Updated alias mapping to most recent locale.alias file
# from X.org distribution using makelocalealias.py.
#
# These are the differences compared to the old mapping (Python 2.6.5
# and older):
#
# updated 'ru' -> 'ru_RU.ISO8859-5' to 'ru_RU.UTF-8'
# updated 'ru_ru' -> 'ru_RU.ISO8859-5' to 'ru_RU.UTF-8'
# updated 'serbocroatian' -> 'sr_CS.ISO8859-2' to 'sr_RS.UTF-8@latin'
# updated 'sh' -> 'sr_CS.ISO8859-2' to 'sr_RS.UTF-8@latin'
# updated 'sh_yu' -> 'sr_CS.ISO8859-2' to 'sr_RS.UTF-8@latin'
# updated 'sr' -> 'sr_CS.ISO8859-5' to 'sr_RS.UTF-8'
# updated 'sr@cyrillic' -> 'sr_CS.ISO8859-5' to 'sr_RS.UTF-8'
# updated 'sr@latn' -> 'sr_CS.ISO8859-2' to 'sr_RS.UTF-8@latin'
# updated 'sr_cs.utf8@latn' -> 'sr_CS.UTF-8' to 'sr_RS.UTF-8@latin'
# updated 'sr_cs@latn' -> 'sr_CS.ISO8859-2' to 'sr_RS.UTF-8@latin'
# updated 'sr_yu' -> 'sr_CS.ISO8859-5' to 'sr_RS.UTF-8@latin'
# updated 'sr_yu.utf8@cyrillic' -> 'sr_CS.UTF-8' to 'sr_RS.UTF-8'
# updated 'sr_yu@cyrillic' -> 'sr_CS.ISO8859-5' to 'sr_RS.UTF-8'
#
# SS 2013-12-20:
# Updated alias mapping to most recent locale.alias file
# from X.org distribution using makelocalealias.py.
#
# These are the differences compared to the old mapping (Python 3.3.3
# and older):
#
# updated 'a3' -> 'a3_AZ.KOI8-C' to 'az_AZ.KOI8-C'
# updated 'a3_az' -> 'a3_AZ.KOI8-C' to 'az_AZ.KOI8-C'
# updated 'a3_az.koi8c' -> 'a3_AZ.KOI8-C' to 'az_AZ.KOI8-C'
# updated 'cs_cs.iso88592' -> 'cs_CS.ISO8859-2' to 'cs_CZ.ISO8859-2'
# updated 'hebrew' -> 'iw_IL.ISO8859-8' to 'he_IL.ISO8859-8'
# updated 'hebrew.iso88598' -> 'iw_IL.ISO8859-8' to 'he_IL.ISO8859-8'
# updated 'sd' -> '[email protected]' to 'sd_IN.UTF-8'
# updated 'sr@latn' -> 'sr_RS.UTF-8@latin' to 'sr_CS.UTF-8@latin'
# updated 'sr_cs' -> 'sr_RS.UTF-8' to 'sr_CS.UTF-8'
# updated 'sr_cs.utf8@latn' -> 'sr_RS.UTF-8@latin' to 'sr_CS.UTF-8@latin'
# updated 'sr_cs@latn' -> 'sr_RS.UTF-8@latin' to 'sr_CS.UTF-8@latin'
#
# SS 2014-10-01:
# Updated alias mapping with glibc 2.19 supported locales.
#
# SS 2018-05-05:
# Updated alias mapping with glibc 2.27 supported locales.
#
# These are the differences compared to the old mapping (Python 3.6.5
# and older):
#
# updated 'ca_es@valencia' -> 'ca_ES.ISO8859-15@valencia' to 'ca_ES.UTF-8@valencia'
# updated 'kk_kz' -> 'kk_KZ.RK1048' to 'kk_KZ.ptcp154'
# updated 'russian' -> 'ru_RU.ISO8859-5' to 'ru_RU.KOI8-R'
locale_alias = {
'a3': 'az_AZ.KOI8-C',
'a3_az': 'az_AZ.KOI8-C',
'a3_az.koic': 'az_AZ.KOI8-C',
'aa_dj': 'aa_DJ.ISO8859-1',
'aa_er': 'aa_ER.UTF-8',
'aa_et': 'aa_ET.UTF-8',
'af': 'af_ZA.ISO8859-1',
'af_za': 'af_ZA.ISO8859-1',
'agr_pe': 'agr_PE.UTF-8',
'ak_gh': 'ak_GH.UTF-8',
'am': 'am_ET.UTF-8',
'am_et': 'am_ET.UTF-8',
'american': 'en_US.ISO8859-1',
'an_es': 'an_ES.ISO8859-15',
'anp_in': 'anp_IN.UTF-8',
'ar': 'ar_AA.ISO8859-6',
'ar_aa': 'ar_AA.ISO8859-6',
'ar_ae': 'ar_AE.ISO8859-6',
'ar_bh': 'ar_BH.ISO8859-6',
'ar_dz': 'ar_DZ.ISO8859-6',
'ar_eg': 'ar_EG.ISO8859-6',
'ar_in': 'ar_IN.UTF-8',
'ar_iq': 'ar_IQ.ISO8859-6',
'ar_jo': 'ar_JO.ISO8859-6',
'ar_kw': 'ar_KW.ISO8859-6',
'ar_lb': 'ar_LB.ISO8859-6',
'ar_ly': 'ar_LY.ISO8859-6',
'ar_ma': 'ar_MA.ISO8859-6',
'ar_om': 'ar_OM.ISO8859-6',
'ar_qa': 'ar_QA.ISO8859-6',
'ar_sa': 'ar_SA.ISO8859-6',
'ar_sd': 'ar_SD.ISO8859-6',
'ar_ss': 'ar_SS.UTF-8',
'ar_sy': 'ar_SY.ISO8859-6',
'ar_tn': 'ar_TN.ISO8859-6',
'ar_ye': 'ar_YE.ISO8859-6',
'arabic': 'ar_AA.ISO8859-6',
'as': 'as_IN.UTF-8',
'as_in': 'as_IN.UTF-8',
'ast_es': 'ast_ES.ISO8859-15',
'ayc_pe': 'ayc_PE.UTF-8',
'az': 'az_AZ.ISO8859-9E',
'az_az': 'az_AZ.ISO8859-9E',
'az_az.iso88599e': 'az_AZ.ISO8859-9E',
'az_ir': 'az_IR.UTF-8',
'be': 'be_BY.CP1251',
'be@latin': 'be_BY.UTF-8@latin',
'be_bg.utf8': 'bg_BG.UTF-8',
'be_by': 'be_BY.CP1251',
'be_by@latin': 'be_BY.UTF-8@latin',
'bem_zm': 'bem_ZM.UTF-8',
'ber_dz': 'ber_DZ.UTF-8',
'ber_ma': 'ber_MA.UTF-8',
'bg': 'bg_BG.CP1251',
'bg_bg': 'bg_BG.CP1251',
'bhb_in.utf8': 'bhb_IN.UTF-8',
'bho_in': 'bho_IN.UTF-8',
'bho_np': 'bho_NP.UTF-8',
'bi_vu': 'bi_VU.UTF-8',
'bn_bd': 'bn_BD.UTF-8',
'bn_in': 'bn_IN.UTF-8',
'bo_cn': 'bo_CN.UTF-8',
'bo_in': 'bo_IN.UTF-8',
'bokmal': 'nb_NO.ISO8859-1',
'bokm\xe5l': 'nb_NO.ISO8859-1',
'br': 'br_FR.ISO8859-1',
'br_fr': 'br_FR.ISO8859-1',
'brx_in': 'brx_IN.UTF-8',
'bs': 'bs_BA.ISO8859-2',
'bs_ba': 'bs_BA.ISO8859-2',
'bulgarian': 'bg_BG.CP1251',
'byn_er': 'byn_ER.UTF-8',
'c': 'C',
'c-french': 'fr_CA.ISO8859-1',
'c.ascii': 'C',
'c.en': 'C',
'c.iso88591': 'en_US.ISO8859-1',
'c.utf8': 'en_US.UTF-8',
'c_c': 'C',
'c_c.c': 'C',
'ca': 'ca_ES.ISO8859-1',
'ca_ad': 'ca_AD.ISO8859-1',
'ca_es': 'ca_ES.ISO8859-1',
'ca_es@valencia': 'ca_ES.UTF-8@valencia',
'ca_fr': 'ca_FR.ISO8859-1',
'ca_it': 'ca_IT.ISO8859-1',
'catalan': 'ca_ES.ISO8859-1',
'ce_ru': 'ce_RU.UTF-8',
'cextend': 'en_US.ISO8859-1',
'chinese-s': 'zh_CN.eucCN',
'chinese-t': 'zh_TW.eucTW',
'chr_us': 'chr_US.UTF-8',
'ckb_iq': 'ckb_IQ.UTF-8',
'cmn_tw': 'cmn_TW.UTF-8',
'crh_ua': 'crh_UA.UTF-8',
'croatian': 'hr_HR.ISO8859-2',
'cs': 'cs_CZ.ISO8859-2',
'cs_cs': 'cs_CZ.ISO8859-2',
'cs_cz': 'cs_CZ.ISO8859-2',
'csb_pl': 'csb_PL.UTF-8',
'cv_ru': 'cv_RU.UTF-8',
'cy': 'cy_GB.ISO8859-1',
'cy_gb': 'cy_GB.ISO8859-1',
'cz': 'cs_CZ.ISO8859-2',
'cz_cz': 'cs_CZ.ISO8859-2',
'czech': 'cs_CZ.ISO8859-2',
'da': 'da_DK.ISO8859-1',
'da_dk': 'da_DK.ISO8859-1',
'danish': 'da_DK.ISO8859-1',
'dansk': 'da_DK.ISO8859-1',
'de': 'de_DE.ISO8859-1',
'de_at': 'de_AT.ISO8859-1',
'de_be': 'de_BE.ISO8859-1',
'de_ch': 'de_CH.ISO8859-1',
'de_de': 'de_DE.ISO8859-1',
'de_it': 'de_IT.ISO8859-1',
'de_li.utf8': 'de_LI.UTF-8',
'de_lu': 'de_LU.ISO8859-1',
'deutsch': 'de_DE.ISO8859-1',
'doi_in': 'doi_IN.UTF-8',
'dutch': 'nl_NL.ISO8859-1',
'dutch.iso88591': 'nl_BE.ISO8859-1',
'dv_mv': 'dv_MV.UTF-8',
'dz_bt': 'dz_BT.UTF-8',
'ee': 'ee_EE.ISO8859-4',
'ee_ee': 'ee_EE.ISO8859-4',
'eesti': 'et_EE.ISO8859-1',
'el': 'el_GR.ISO8859-7',
'el_cy': 'el_CY.ISO8859-7',
'el_gr': 'el_GR.ISO8859-7',
'el_gr@euro': 'el_GR.ISO8859-15',
'en': 'en_US.ISO8859-1',
'en_ag': 'en_AG.UTF-8',
'en_au': 'en_AU.ISO8859-1',