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# -*- mode: python; -*-
"""
Support code related to OS detection in general. System specific facilities or customization
hooks live in mongo_platform_<PLATFORM>.py files.
"""
import os
import platform
# --- OS identification ---
#
# This needs to precede the options section so that we can only offer some options on certain
# operating systems.
# This function gets the running OS as identified by Python
# It should only be used to set up defaults for options/variables, because
# its value could potentially be overridden by setting TARGET_OS on the
# command-line. Treat this output as the value of HOST_OS
def get_running_os_name():
running_os = os.sys.platform
if running_os.startswith('linux'):
running_os = 'linux'
elif running_os.startswith('freebsd'):
running_os = 'freebsd'
elif running_os.startswith('openbsd'):
running_os = 'openbsd'
elif running_os == 'sunos5':
running_os = 'solaris'
elif running_os == 'win32':
running_os = 'windows'
elif running_os == 'darwin':
running_os = 'macOS'
else:
running_os = 'unknown'
return running_os
def env_get_os_name_wrapper(self):
return self['TARGET_OS']
def is_os_raw(target_os, os_list_to_check):
darwin_os_list = ['macOS', 'tvOS', 'tvOS-sim', 'iOS', 'iOS-sim', 'watchOS', 'watchOS-sim']
linux_os_list = ['android', 'linux']
posix_os_list = ['openbsd', 'freebsd', 'solaris', 'emscripten'] + darwin_os_list + linux_os_list
os_families = {
"darwin": darwin_os_list,
"posix": posix_os_list,
"linux": linux_os_list,
}
for os in os_list_to_check:
if os == target_os or (os in os_families and target_os in os_families[os]):
return True
return False
# This function tests the running OS as identified by Python
# It should only be used to set up defaults for options/variables, because
# its value could potentially be overridden by setting TARGET_OS on the
# command-line. Treat this output as the value of HOST_OS
def is_running_os(*os_list):
return is_os_raw(get_running_os_name(), os_list)
def env_os_is_wrapper(self, *os_list):
return is_os_raw(self['TARGET_OS'], os_list)
def is_arm_processor():
arch = platform.machine().lower()
if "arm" in arch or "aarch64" in arch:
return True
return False
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