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# pylint: disable=bad-option-value,unidiomatic-typecheck,undefined-variable,no-else-return
import platform
import os
import locale
########################################################################################################################
# PLATFORM_IS_WINDOWS
def platform_is_windows():
return "windows" in platform.system().lower()
PLATFORM_IS_WINDOWS = platform_is_windows()
########################################################################################################################
# USE_SH_LIB
# Determine whether to use the `sh` library
# On windows we won't want to use the sh library since it's not supported - instead we'll use our own shell module.
# However, we want to be able to overwrite this behavior for testing using the GITLINT_QA_USE_SH_LIB env var.
def use_sh_library():
gitlint_use_sh_lib_env = os.environ.get('GITLINT_QA_USE_SH_LIB', None)
if gitlint_use_sh_lib_env:
return gitlint_use_sh_lib_env == "1"
return not PLATFORM_IS_WINDOWS
USE_SH_LIB = use_sh_library()
########################################################################################################################
# DEFAULT_ENCODING
def getpreferredencoding():
""" Modified version of local.getpreferredencoding() that takes into account LC_ALL, LC_CTYPE, LANG env vars
on windows and falls back to UTF-8. """
default_encoding = locale.getpreferredencoding() or "UTF-8"
# On Windows, we mimic git/linux by trying to read the LC_ALL, LC_CTYPE, LANG env vars manually
# (on Linux/MacOS the `getpreferredencoding()` call will take care of this).
# We fallback to UTF-8
if PLATFORM_IS_WINDOWS:
default_encoding = "UTF-8"
for env_var in ["LC_ALL", "LC_CTYPE", "LANG"]:
encoding = os.environ.get(env_var, False)
if encoding:
# Support dotted (C.UTF-8) and non-dotted (C or UTF-8) charsets:
# If encoding contains a dot: split and use second part, otherwise use everything
dot_index = encoding.find(".")
if dot_index != -1:
default_encoding = encoding[dot_index + 1:]
else:
default_encoding = encoding
break
return default_encoding
DEFAULT_ENCODING = getpreferredencoding()
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