Current File : //lib/python2.7/site-packages/salt/matchers/__init__.py
# -*- coding: utf-8 -*-
'''
Salt package
'''
# Import Python libs
from __future__ import absolute_import, print_function, unicode_literals
import warnings
# All salt related deprecation warnings should be shown once each!
warnings.filterwarnings(
'once', # Show once
'', # No deprecation message match
DeprecationWarning, # This filter is for DeprecationWarnings
r'^(salt|salt\.(.*))$' # Match module(s) 'salt' and 'salt.<whatever>'
)
# While we are supporting Python2.6, hide nested with-statements warnings
warnings.filterwarnings(
'ignore',
'With-statements now directly support multiple context managers',
DeprecationWarning
)
# Filter the backports package UserWarning about being re-imported
warnings.filterwarnings(
'ignore',
'^Module backports was already imported from (.*), but (.*) is being added to sys.path$',
UserWarning
)
def __define_global_system_encoding_variable__():
import sys
# This is the most trustworthy source of the system encoding, though, if
# salt is being imported after being daemonized, this information is lost
# and reset to None
encoding = None
if not sys.platform.startswith('win') and sys.stdin is not None:
# On linux we can rely on sys.stdin for the encoding since it
# most commonly matches the filesystem encoding. This however
# does not apply to windows
encoding = sys.stdin.encoding
if not encoding:
# If the system is properly configured this should return a valid
# encoding. MS Windows has problems with this and reports the wrong
# encoding
import locale
try:
encoding = locale.getdefaultlocale()[-1]
except ValueError:
# A bad locale setting was most likely found:
# https://github.com/saltstack/salt/issues/26063
pass
# This is now garbage collectable
del locale
if not encoding:
# This is most likely ascii which is not the best but we were
# unable to find a better encoding. If this fails, we fall all
# the way back to ascii
encoding = sys.getdefaultencoding()
if not encoding:
if sys.platform.startswith('darwin'):
# Mac OS X uses UTF-8
encoding = 'utf-8'
elif sys.platform.startswith('win'):
# Windows uses a configurable encoding; on Windows, Python uses the name “mbcs”
# to refer to whatever the currently configured encoding is.
encoding = 'mbcs'
else:
# On linux default to ascii as a last resort
encoding = 'ascii'
# We can't use six.moves.builtins because these builtins get deleted sooner
# than expected. See:
# https://github.com/saltstack/salt/issues/21036
if sys.version_info[0] < 3:
import __builtin__ as builtins # pylint: disable=incompatible-py3-code
else:
import builtins # pylint: disable=import-error
# Define the detected encoding as a built-in variable for ease of use
setattr(builtins, '__salt_system_encoding__', encoding)
# This is now garbage collectable
del sys
del builtins
del encoding
__define_global_system_encoding_variable__()
# This is now garbage collectable
del __define_global_system_encoding_variable__
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