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Issue #9548: Add a minimal "_bootlocale" module that is imported by the _io module instead of the full locale module.

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This commit is contained in:
Antoine Pitrou 2013-10-12 00:13:50 +02:00
parent 73abc527eb
commit fd4722cacf
6 changed files with 49 additions and 22 deletions
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21
Lib/locale.py
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@ -554,8 +554,8 @@ 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."""
import _locale
return _locale._getdefaultlocale()[1]
import _bootlocale
return _bootlocale.getpreferredencoding(False)
else:
# On Unix, if CODESET is available, use that.
try:
@ -574,27 +574,16 @@ else:
def getpreferredencoding(do_setlocale = True):
"""Return the charset that the user is likely using,
according to the system configuration."""
import _bootlocale
if do_setlocale:
oldloc = setlocale(LC_CTYPE)
try:
setlocale(LC_CTYPE, "")
except Error:
pass
result = nl_langinfo(CODESET)
if not result and sys.platform == 'darwin':
# nl_langinfo can return an empty string
# when the setting has an invalid value.
# Default to UTF-8 in that case because
# UTF-8 is the default charset on OSX and
# returning nothing will crash the
# interpreter.
result = 'UTF-8'
result = _bootlocale.getpreferredencoding(False)
if do_setlocale:
setlocale(LC_CTYPE, oldloc)
else:
result = nl_langinfo(CODESET)
if not result and sys.platform == 'darwin':
# See above for explanation
result = 'UTF-8'
return result