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Revision 6c004b40f9d51872d848981ef1a18bb08c2dfc42 authored by Miro Hrončok on 08 December 2017, 21:34:44 UTC, committed by larryhastings on 08 December 2017, 21:34:44 UTC
Fixes possible integer overflow in PyBytes_DecodeEscape. Co-Authored-By: Jay Bosamiya <jaybosamiya@gmail.com>
1 parent 8b11e8d
Tip revision: 6c004b40f9d51872d848981ef1a18bb08c2dfc42 authored by Miro Hrončok on 08 December 2017, 21:34:44 UTC
bpo-30657: Fix CVE-2017-1000158 (#4758)
bpo-30657: Fix CVE-2017-1000158 (#4758)
Tip revision: 6c004b4
_bootlocale.py
"""A minimal subset of the locale module used at interpreter startup
(imported by the _io module), in order to reduce startup time.
Don't import directly from third-party code; use the `locale` module instead!
"""
import sys
import _locale
if sys.platform.startswith("win"):
def getpreferredencoding(do_setlocale=True):
return _locale._getdefaultlocale()[1]
else:
try:
_locale.CODESET
except AttributeError:
def getpreferredencoding(do_setlocale=True):
# This path for legacy systems needs the more complex
# getdefaultlocale() function, import the full locale module.
import locale
return locale.getpreferredencoding(do_setlocale)
else:
def getpreferredencoding(do_setlocale=True):
assert not do_setlocale
result = _locale.nl_langinfo(_locale.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'
return result
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