1 if(WIN32 AND NOT PYTHON_EXECUTABLE)
2 # search for executable with the same bitness as resulting binaries
3 # standard FindPythonInterp always prefers executable from system path
4 # this is really important because we are using the interpreter for numpy search and for choosing the install location
5 foreach(_CURRENT_VERSION ${Python_ADDITIONAL_VERSIONS} 2.7 "${MIN_VER_PYTHON}")
6 find_host_program(PYTHON_EXECUTABLE
7 NAMES python${_CURRENT_VERSION} python
9 [HKEY_LOCAL_MACHINE\\\\SOFTWARE\\\\Python\\\\PythonCore\\\\${_CURRENT_VERSION}\\\\InstallPath]
10 [HKEY_CURRENT_USER\\\\SOFTWARE\\\\Python\\\\PythonCore\\\\${_CURRENT_VERSION}\\\\InstallPath]
11 NO_SYSTEM_ENVIRONMENT_PATH
15 find_host_package(PythonInterp "${MIN_VER_PYTHON}")
17 unset(HAVE_SPHINX CACHE)
19 if(PYTHONINTERP_FOUND)
20 set(PYTHON_VERSION_MAJOR_MINOR "${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}")
22 if(NOT ANDROID AND NOT IOS)
23 ocv_check_environment_variables(PYTHON_LIBRARY PYTHON_INCLUDE_DIR)
24 find_host_package(PythonLibs "${PYTHON_VERSION_STRING}" EXACT)
27 if(NOT ANDROID AND NOT IOS)
29 execute_process(COMMAND ${PYTHON_EXECUTABLE} -c "from distutils.sysconfig import *; print(get_python_lib())"
30 RESULT_VARIABLE PYTHON_CVPY_PROCESS
31 OUTPUT_VARIABLE PYTHON_STD_PACKAGES_PATH
32 OUTPUT_STRIP_TRAILING_WHITESPACE)
33 if("${PYTHON_STD_PACKAGES_PATH}" MATCHES "site-packages")
34 set(_PYTHON_PACKAGES_PATH "python${PYTHON_VERSION_MAJOR_MINOR}/site-packages")
35 else() #debian based assumed, install to the dist-packages.
36 set(_PYTHON_PACKAGES_PATH "python${PYTHON_VERSION_MAJOR_MINOR}/dist-packages")
38 if(EXISTS "${CMAKE_INSTALL_PREFIX}/lib${LIB_SUFFIX}/${PYTHON_PACKAGES_PATH}")
39 set(_PYTHON_PACKAGES_PATH "lib${LIB_SUFFIX}/${_PYTHON_PACKAGES_PATH}")
41 set(_PYTHON_PACKAGES_PATH "lib/${_PYTHON_PACKAGES_PATH}")
43 elseif(CMAKE_HOST_WIN32)
44 get_filename_component(PYTHON_PATH "${PYTHON_EXECUTABLE}" PATH)
45 file(TO_CMAKE_PATH "${PYTHON_PATH}" PYTHON_PATH)
46 if(NOT EXISTS "${PYTHON_PATH}/Lib/site-packages")
48 get_filename_component(PYTHON_PATH "[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${PYTHON_VERSION_MAJOR_MINOR}\\InstallPath]" ABSOLUTE)
50 get_filename_component(PYTHON_PATH "[HKEY_CURRENT_USER\\SOFTWARE\\Python\\PythonCore\\${PYTHON_VERSION_MAJOR_MINOR}\\InstallPath]" ABSOLUTE)
52 file(TO_CMAKE_PATH "${PYTHON_PATH}" PYTHON_PATH)
54 set(_PYTHON_PACKAGES_PATH "${PYTHON_PATH}/Lib/site-packages")
56 SET(PYTHON_PACKAGES_PATH "${_PYTHON_PACKAGES_PATH}" CACHE PATH "Where to install the python packages.")
58 if(NOT PYTHON_NUMPY_INCLUDE_DIRS)
59 # Attempt to discover the NumPy include directory. If this succeeds, then build python API with NumPy
60 execute_process(COMMAND "${PYTHON_EXECUTABLE}" -c
61 "import os; os.environ['DISTUTILS_USE_SDK']='1'; import numpy.distutils; print(os.pathsep.join(numpy.distutils.misc_util.get_numpy_include_dirs()))"
62 RESULT_VARIABLE PYTHON_NUMPY_PROCESS
63 OUTPUT_VARIABLE PYTHON_NUMPY_INCLUDE_DIRS
64 OUTPUT_STRIP_TRAILING_WHITESPACE)
66 if(PYTHON_NUMPY_PROCESS EQUAL 0)
67 file(TO_CMAKE_PATH "${PYTHON_NUMPY_INCLUDE_DIRS}" _PYTHON_NUMPY_INCLUDE_DIRS)
68 set(PYTHON_NUMPY_INCLUDE_DIRS "${_PYTHON_NUMPY_INCLUDE_DIRS}" CACHE PATH "Path to numpy headers")
72 if(PYTHON_NUMPY_INCLUDE_DIRS)
73 execute_process(COMMAND "${PYTHON_EXECUTABLE}" -c "import numpy; print(numpy.version.version)"
74 OUTPUT_VARIABLE PYTHON_NUMPY_VERSION
75 OUTPUT_STRIP_TRAILING_WHITESPACE)
77 endif(NOT ANDROID AND NOT IOS)
81 find_host_program(SPHINX_BUILD sphinx-build)
82 find_host_program(PLANTUML plantuml)
84 execute_process(COMMAND "${SPHINX_BUILD}"
86 ERROR_VARIABLE SPHINX_OUTPUT
87 OUTPUT_STRIP_TRAILING_WHITESPACE)
88 if(SPHINX_OUTPUT MATCHES "Sphinx v([0-9][^ \n]*)")
89 set(SPHINX_VERSION "${CMAKE_MATCH_1}")
91 message(STATUS "Found Sphinx ${SPHINX_VERSION}: ${SPHINX_BUILD}")