cutter/cmake/PythonInfo.cmake

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CMake
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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()