You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
185 lines
7.5 KiB
185 lines
7.5 KiB
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
|
|
# file Copyright.txt or https://cmake.org/licensing for details.
|
|
|
|
#[=======================================================================[.rst:
|
|
FindPythonInterp
|
|
----------------
|
|
|
|
.. versionchanged:: 3.27
|
|
This module is available only if policy :policy:`CMP0148` is not set to ``NEW``.
|
|
|
|
.. deprecated:: 3.12
|
|
|
|
Use :module:`FindPython3`, :module:`FindPython2` or :module:`FindPython` instead.
|
|
|
|
Find python interpreter
|
|
|
|
This module finds if Python interpreter is installed and determines
|
|
where the executables are. This code sets the following variables:
|
|
|
|
::
|
|
|
|
PYTHONINTERP_FOUND - Was the Python executable found
|
|
PYTHON_EXECUTABLE - path to the Python interpreter
|
|
|
|
|
|
|
|
::
|
|
|
|
PYTHON_VERSION_STRING - Python version found e.g. 2.5.2
|
|
PYTHON_VERSION_MAJOR - Python major version found e.g. 2
|
|
PYTHON_VERSION_MINOR - Python minor version found e.g. 5
|
|
PYTHON_VERSION_PATCH - Python patch version found e.g. 2
|
|
|
|
|
|
|
|
The Python_ADDITIONAL_VERSIONS variable can be used to specify a list
|
|
of version numbers that should be taken into account when searching
|
|
for Python. You need to set this variable before calling
|
|
find_package(PythonInterp).
|
|
|
|
If calling both ``find_package(PythonInterp)`` and
|
|
``find_package(PythonLibs)``, call ``find_package(PythonInterp)`` first to
|
|
get the currently active Python version by default with a consistent version
|
|
of PYTHON_LIBRARIES.
|
|
|
|
.. note::
|
|
|
|
A call to ``find_package(PythonInterp ${V})`` for python version ``V``
|
|
may find a ``python`` executable with no version suffix. In this case
|
|
no attempt is made to avoid python executables from other versions.
|
|
Use :module:`FindPython3`, :module:`FindPython2` or :module:`FindPython`
|
|
instead.
|
|
|
|
#]=======================================================================]
|
|
|
|
cmake_policy(GET CMP0148 _FindPythonInterp_CMP0148)
|
|
if(_FindPythonInterp_CMP0148 STREQUAL "NEW")
|
|
message(FATAL_ERROR "The FindPythonInterp module has been removed by policy CMP0148.")
|
|
endif()
|
|
|
|
if(_FindPythonInterp_testing)
|
|
set(_FindPythonInterp_included TRUE)
|
|
return()
|
|
endif()
|
|
|
|
unset(_Python_NAMES)
|
|
|
|
set(_PYTHON1_VERSIONS 1.6 1.5)
|
|
set(_PYTHON2_VERSIONS 2.7 2.6 2.5 2.4 2.3 2.2 2.1 2.0)
|
|
set(_PYTHON3_VERSIONS 3.12 3.11 3.10 3.9 3.8 3.7 3.6 3.5 3.4 3.3 3.2 3.1 3.0)
|
|
|
|
if(PythonInterp_FIND_VERSION)
|
|
if(PythonInterp_FIND_VERSION_COUNT GREATER 1)
|
|
set(_PYTHON_FIND_MAJ_MIN "${PythonInterp_FIND_VERSION_MAJOR}.${PythonInterp_FIND_VERSION_MINOR}")
|
|
list(APPEND _Python_NAMES
|
|
python${_PYTHON_FIND_MAJ_MIN}
|
|
python${PythonInterp_FIND_VERSION_MAJOR})
|
|
unset(_PYTHON_FIND_OTHER_VERSIONS)
|
|
if(NOT PythonInterp_FIND_VERSION_EXACT)
|
|
foreach(_PYTHON_V ${_PYTHON${PythonInterp_FIND_VERSION_MAJOR}_VERSIONS})
|
|
if(NOT _PYTHON_V VERSION_LESS _PYTHON_FIND_MAJ_MIN)
|
|
list(APPEND _PYTHON_FIND_OTHER_VERSIONS ${_PYTHON_V})
|
|
endif()
|
|
endforeach()
|
|
endif()
|
|
unset(_PYTHON_FIND_MAJ_MIN)
|
|
else()
|
|
list(APPEND _Python_NAMES python${PythonInterp_FIND_VERSION_MAJOR})
|
|
set(_PYTHON_FIND_OTHER_VERSIONS ${_PYTHON${PythonInterp_FIND_VERSION_MAJOR}_VERSIONS})
|
|
endif()
|
|
else()
|
|
set(_PYTHON_FIND_OTHER_VERSIONS ${_PYTHON3_VERSIONS} ${_PYTHON2_VERSIONS} ${_PYTHON1_VERSIONS})
|
|
endif()
|
|
find_program(PYTHON_EXECUTABLE NAMES ${_Python_NAMES})
|
|
|
|
# Set up the versions we know about, in the order we will search. Always add
|
|
# the user supplied additional versions to the front.
|
|
set(_Python_VERSIONS ${Python_ADDITIONAL_VERSIONS})
|
|
# If FindPythonInterp has already found the major and minor version,
|
|
# insert that version next to get consistent versions of the interpreter and
|
|
# library.
|
|
if(DEFINED PYTHONLIBS_VERSION_STRING)
|
|
string(REPLACE "." ";" _PYTHONLIBS_VERSION "${PYTHONLIBS_VERSION_STRING}")
|
|
list(GET _PYTHONLIBS_VERSION 0 _PYTHONLIBS_VERSION_MAJOR)
|
|
list(GET _PYTHONLIBS_VERSION 1 _PYTHONLIBS_VERSION_MINOR)
|
|
list(APPEND _Python_VERSIONS ${_PYTHONLIBS_VERSION_MAJOR}.${_PYTHONLIBS_VERSION_MINOR})
|
|
endif()
|
|
# Search for the current active python version first
|
|
list(APPEND _Python_VERSIONS ";")
|
|
list(APPEND _Python_VERSIONS ${_PYTHON_FIND_OTHER_VERSIONS})
|
|
|
|
unset(_PYTHON_FIND_OTHER_VERSIONS)
|
|
unset(_PYTHON1_VERSIONS)
|
|
unset(_PYTHON2_VERSIONS)
|
|
unset(_PYTHON3_VERSIONS)
|
|
|
|
# Search for newest python version if python executable isn't found
|
|
if(NOT PYTHON_EXECUTABLE)
|
|
foreach(_CURRENT_VERSION IN LISTS _Python_VERSIONS)
|
|
set(_Python_NAMES python${_CURRENT_VERSION})
|
|
if(CMAKE_HOST_WIN32)
|
|
list(APPEND _Python_NAMES python)
|
|
endif()
|
|
find_program(PYTHON_EXECUTABLE
|
|
NAMES ${_Python_NAMES}
|
|
PATHS
|
|
[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath]
|
|
[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}-32\\InstallPath]
|
|
[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}-64\\InstallPath]
|
|
[HKEY_CURRENT_USER\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath]
|
|
[HKEY_CURRENT_USER\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}-32\\InstallPath]
|
|
[HKEY_CURRENT_USER\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}-64\\InstallPath]
|
|
)
|
|
endforeach()
|
|
endif()
|
|
|
|
# determine python version string
|
|
if(PYTHON_EXECUTABLE)
|
|
execute_process(COMMAND "${PYTHON_EXECUTABLE}" -c
|
|
"import sys; sys.stdout.write(';'.join([str(x) for x in sys.version_info[:3]]))"
|
|
OUTPUT_VARIABLE _VERSION
|
|
RESULT_VARIABLE _PYTHON_VERSION_RESULT
|
|
ERROR_QUIET)
|
|
if(NOT _PYTHON_VERSION_RESULT)
|
|
string(REPLACE ";" "." PYTHON_VERSION_STRING "${_VERSION}")
|
|
list(GET _VERSION 0 PYTHON_VERSION_MAJOR)
|
|
list(GET _VERSION 1 PYTHON_VERSION_MINOR)
|
|
list(GET _VERSION 2 PYTHON_VERSION_PATCH)
|
|
if(PYTHON_VERSION_PATCH EQUAL 0)
|
|
# it's called "Python 2.7", not "2.7.0"
|
|
string(REGEX REPLACE "\\.0$" "" PYTHON_VERSION_STRING "${PYTHON_VERSION_STRING}")
|
|
endif()
|
|
else()
|
|
# sys.version predates sys.version_info, so use that
|
|
# sys.version was first documented for Python 1.5, so assume version 1.4
|
|
# if retrieving sys.version fails.
|
|
execute_process(COMMAND "${PYTHON_EXECUTABLE}" -c "try: import sys; sys.stdout.write(sys.version)\nexcept: sys.stdout.write(\"1.4.0\")"
|
|
OUTPUT_VARIABLE _VERSION
|
|
RESULT_VARIABLE _PYTHON_VERSION_RESULT
|
|
ERROR_QUIET)
|
|
if(NOT _PYTHON_VERSION_RESULT)
|
|
string(REGEX REPLACE " .*" "" PYTHON_VERSION_STRING "${_VERSION}")
|
|
string(REGEX REPLACE "^([0-9]+)\\.[0-9]+.*" "\\1" PYTHON_VERSION_MAJOR "${PYTHON_VERSION_STRING}")
|
|
string(REGEX REPLACE "^[0-9]+\\.([0-9])+.*" "\\1" PYTHON_VERSION_MINOR "${PYTHON_VERSION_STRING}")
|
|
if(PYTHON_VERSION_STRING MATCHES "^[0-9]+\\.[0-9]+\\.([0-9]+)")
|
|
set(PYTHON_VERSION_PATCH "${CMAKE_MATCH_1}")
|
|
else()
|
|
set(PYTHON_VERSION_PATCH "0")
|
|
endif()
|
|
else()
|
|
unset(PYTHON_VERSION_STRING)
|
|
unset(PYTHON_VERSION_MAJOR)
|
|
unset(PYTHON_VERSION_MINOR)
|
|
unset(PYTHON_VERSION_PATCH)
|
|
endif()
|
|
endif()
|
|
unset(_PYTHON_VERSION_RESULT)
|
|
unset(_VERSION)
|
|
endif()
|
|
|
|
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
|
|
FIND_PACKAGE_HANDLE_STANDARD_ARGS(PythonInterp REQUIRED_VARS PYTHON_EXECUTABLE VERSION_VAR PYTHON_VERSION_STRING)
|
|
|
|
mark_as_advanced(PYTHON_EXECUTABLE)
|