function(find_python_site_packages VAR)

if(Python_SITELIB)

set("${VAR}" "${Python_SITELIB}" PARENT_SCOPE)

return()

endif()

execute_process(

COMMAND "${PYTHON_EXECUTABLE}" -c "if True:

from distutils import sysconfig

print(sysconfig.get_python_lib(prefix='', plat_specific=True))"

OUTPUT_VARIABLE "${VAR}"

OUTPUT_STRIP_TRAILING_WHITESPACE)

set("${VAR}" "${${VAR}}" PARENT_SCOPE)

endfunction()

function(get_python_extension_suffix VAR)

# from PySide2 CMakeLists.txt

# Result of imp.get_suffixes() depends on the platform, but generally looks something like:

# [('.cpython-34m-x86_64-linux-gnu.so', 'rb', 3), ('.cpython-34m.so', 'rb', 3),

# ('.abi3.so', 'rb', 3), ('.so', 'rb', 3), ('.py', 'r', 1), ('.pyc', 'rb', 2)]

# We pick the first most detailed one, strip of the file extension part.

execute_process(

COMMAND "${PYTHON_EXECUTABLE}" -c "if True:

import importlib.machinery, re

first_suffix = importlib.machinery.EXTENSION_SUFFIXES[0]

res = re.search(r'^(.+)\\.', first_suffix)

if res:

first_suffix = res.group(1)

else:

first_suffix = ''

print(first_suffix)

"

OUTPUT_VARIABLE "${VAR}"

OUTPUT_STRIP_TRAILING_WHITESPACE)

set("${VAR}" "${${VAR}}" PARENT_SCOPE)

endfunction()