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# - Find python libraries
# This module find the current version of python on your installation in a easy way
#
# PYTHON_LIBRARIES = path to the python library
# PYTHON_LIBRARIES_${VERSION} = path to the python library for the distribution version
# PYTHON_SITE_PACKAGES_${_VERSION} = path to the python modules dir
# PYTHON_LIBRARIES = path to the python modules dir for the distribution version
# PYTHON_INCLUDE_PATH = path to where Python.h is found
# PYTHON_INCLUDE_PATH_${VERSION} = path to where Python.h for the distribution version
# PYTHON_EXECUTABLE = python interpreter for the distribution version
# PYTHON_EXECUTABLE_${VERSION} = available python version
# PYTHON_AVAILABLE_VERSIONS = list all the version available on the system
# --
LIST(APPEND L_PYTHON_VERSIONS
"1.5" "1.6"
"2.0" "2.1" "2.2" "2.4" "2.5" "2.6" "2.7" "2.8"
"3" "3.0" "3.1" "3.2" "3.3" "3.4" "3.5"
)
INCLUDE(FindPackageHandleStandardArgs)
# determine the std version
# main version executable
FIND_PROGRAM(PYTHON_EXECUTABLE
NAMES python
HINTS
${ALT_PYTHON_LOCATION}/bin
PATHS
[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\3.4\\InstallPath]
[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\3.3\\InstallPath]
[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\3.2\\InstallPath]
[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\3.1\\InstallPath]
[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\3.0\\InstallPath]
[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\2.8\\InstallPath]
[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\2.7\\InstallPath]
[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\2.6\\InstallPath]
[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\2.5\\InstallPath]
[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\2.4\\InstallPath]
[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\2.3\\InstallPath]
[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\2.2\\InstallPath]
[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\2.1\\InstallPath]
[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\2.0\\InstallPath]
[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\1.6\\InstallPath]
[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\1.5\\InstallPath]
)
EXECUTE_PROCESS( COMMAND ${PYTHON_EXECUTABLE} -c "import sys; print('%s.%s' % sys.version_info[:2])"
OUTPUT_VARIABLE PYTHON_CURRENT_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE)
## tests for all versions of the packages
FOREACH(_VERSION ${L_PYTHON_VERSIONS})
STRING(REPLACE "." "" _VERSION_NO_DOTS ${_VERSION})
FIND_PROGRAM(PYTHON_EXECUTABLE_${_VERSION}
NAMES python${_VERSION}
HINTS
${ALT_PYTHON_LOCATION}/bin/
)
IF(PYTHON_EXECUTABLE_${_VERSION})
LIST(APPEND PYTHON_AVAILABLE_VERSIONS ${_VERSION})
EXECUTE_PROCESS(COMMAND
${PYTHON_EXECUTABLE_${_VERSION}} -c "from distutils.sysconfig import get_python_lib; print(get_python_lib(True))"
OUTPUT_VARIABLE PYTHON_SITE_PACKAGES_${_VERSION} OUTPUT_STRIP_TRAILING_WHITESPACE)
# find libs
EXECUTE_PROCESS(COMMAND
python${_VERSION}-config --libs
OUTPUT_VARIABLE PYTHON_LIBRARY_${_VERSION} OUTPUT_STRIP_TRAILING_WHITESPACE
)
SET(PYTHON_LIBRARIES_${_VERSION} ${PYTHON_LIBRARY_${_VERSION}})
# find include
EXECUTE_PROCESS(COMMAND
${PYTHON_EXECUTABLE_${_VERSION}} -c "from distutils import sysconfig; print(sysconfig.get_python_inc())"
OUTPUT_VARIABLE PYTHON_INCLUDE_PATH_${_VERSION} OUTPUT_STRIP_TRAILING_WHITESPACE
)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(Python${_VERSION} DEFAULT_MSG PYTHON_EXECUTABLE_${_VERSION})
MARK_AS_ADVANCED(PYTHON_EXECUTABLE_${_VERSION})
MARK_AS_ADVANCED(PYTHON_SITE_PACKAGES_${_VERSION})
MARK_AS_ADVANCED(PYTHON_LIBRARIES_${_VERSION})
MARK_AS_ADVANCED(PYTHON_INCLUDE_PATH_${_VERSION})
ENDIF(PYTHON_EXECUTABLE_${_VERSION})
ENDFOREACH(_VERSION ${L_PYTHON_VERSIONS})
SET(PYTHON_SITE_PACKAGES ${PYTHON_SITE_PACKAGES_${PYTHON_CURRENT_VERSION}}
CACHE PATH "path to the python modules dir for the distribution version")
SET(PYTHON_LIBRARIES ${PYTHON_LIBRARIES_${PYTHON_CURRENT_VERSION}}
CACHE PATH "path to the python modules dir for the distribution version")
SET(PYTHON_INCLUDE_PATH ${PYTHON_INCLUDE_PATH_${PYTHON_CURRENT_VERSION}}
CACHE PATH "path to the python include dir for the distribution version")
FIND_PACKAGE_HANDLE_STANDARD_ARGS(PythonCurrentVersion DEFAULT_MSG PYTHON_CURRENT_VERSION )
FIND_PACKAGE_HANDLE_STANDARD_ARGS(PythonCurrentInclude DEFAULT_MSG PYTHON_INCLUDE_PATH )
FIND_PACKAGE_HANDLE_STANDARD_ARGS(PythonCurrentLibs DEFAULT_MSG PYTHON_LIBRARIES )
FIND_PACKAGE_HANDLE_STANDARD_ARGS(PythonCurrentModsDir DEFAULT_MSG PYTHON_SITE_PACKAGES )
IF(PYTHON_EXECUTABLE_3)
EXECUTE_PROCESS(COMMAND ${PYTHON_EXECUTABLE_3} -c "import sys; print('%s.%s' % sys.version_info[:2])"
OUTPUT_VARIABLE PYTHON3_CURRENT_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE)
ENDIF()
MARK_AS_ADVANCED(PYTHON_EXECUTABLE)
MARK_AS_ADVANCED(PYTHON_SITE_PACKAGES)
MARK_AS_ADVANCED(PYTHON_LIBRARIES)
MARK_AS_ADVANCED(PYTHON_INCLUDE_PATH)
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