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83 lines
3.1 KiB
83 lines
3.1 KiB
7 years ago
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# Python macros
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# ~~~~~~~~~~~~~
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# Copyright (c) 2007, Simon Edwards <simon@simonzone.com>
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# Copyright (c) 2012, Luca Beltrame <lbeltrame@kde.org>
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# Copyright (c) 2012, Rolf Eike Beer <eike@sf-mail.de>
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#
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# Redistribution and use is allowed according to the terms of the BSD license.
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# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
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#
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# This file defines the following macros:
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#
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# PYTHON_INSTALL (SOURCE_FILE DESTINATION_DIR)
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# Install the SOURCE_FILE, which is a Python .py file, into the
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# destination directory during install. The file will be byte compiled
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# and both the .py file and .pyc file will be installed.
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set(PYTHON_MACROS_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR})
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macro(PYTHON_INSTALL SOURCE_FILE DESTINATION_DIR)
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find_file(_python_compile_py PythonCompile.py PATHS ${CMAKE_MODULE_PATH})
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# Install the source file.
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install(FILES ${SOURCE_FILE} DESTINATION ${DESTINATION_DIR})
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# Byte compile and install the .pyc file, unless explicitly prevented by env..
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if("$ENV{PYTHONDONTWRITEBYTECODE}" STREQUAL "")
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get_filename_component(_absfilename ${SOURCE_FILE} ABSOLUTE)
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get_filename_component(_filename ${SOURCE_FILE} NAME)
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get_filename_component(_filenamebase ${SOURCE_FILE} NAME_WE)
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get_filename_component(_basepath ${SOURCE_FILE} PATH)
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if(WIN32)
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# remove drive letter
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string(REGEX REPLACE "^[a-zA-Z]:/" "/" _basepath "${_basepath}")
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endif(WIN32)
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set(_bin_py ${CMAKE_CURRENT_BINARY_DIR}/${_basepath}/${_filename})
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# Python 3.2 changed the pyc file location
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if(PYTHON_VERSION_STRING VERSION_GREATER 3.1)
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# To get the right version for suffix
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set(_bin_pyc "${CMAKE_CURRENT_BINARY_DIR}/${_basepath}/__pycache__/${_filenamebase}.cpython-${PYTHON_VERSION_MAJOR}${PYTHON_VERSION_MINOR}.pyc")
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set(_py_install_dir "${DESTINATION_DIR}/__pycache__/")
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else()
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set(_bin_pyc "${CMAKE_CURRENT_BINARY_DIR}/${_basepath}/${_filenamebase}.pyc")
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set(_py_install_dir "${DESTINATION_DIR}")
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endif()
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file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/${_basepath})
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# Setting because it will be displayed later, in compile_python_files
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set(_message "Byte-compiling ${_bin_py} to ${_bin_pyc}")
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string(REPLACE "/" "_" _rule_name "${_basepath}/${_bin_pyc}")
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add_custom_target("${_rule_name}" ALL)
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get_filename_component(_abs_bin_py ${_bin_py} ABSOLUTE)
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if(_abs_bin_py STREQUAL _absfilename) # Don't copy the file onto itself.
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add_custom_command(
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TARGET "${_rule_name}"
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COMMAND "${CMAKE_COMMAND}" -E echo "${_message}"
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COMMAND "${PYTHON_EXECUTABLE}" "${_python_compile_py}" "${_bin_py}"
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DEPENDS "${_absfilename}"
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)
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else()
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add_custom_command(
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TARGET "${_rule_name}"
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COMMAND "${CMAKE_COMMAND}" -E echo "${_message}"
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COMMAND "${CMAKE_COMMAND}" -E copy "${_absfilename}" "${_bin_py}"
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COMMAND "${PYTHON_EXECUTABLE}" "${_python_compile_py}" "${_bin_py}"
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DEPENDS "${_absfilename}"
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)
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endif()
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install(FILES ${_bin_pyc} DESTINATION "${_py_install_dir}")
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unset(_py_install_dir)
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unset(_message)
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endif("$ENV{PYTHONDONTWRITEBYTECODE}" STREQUAL "")
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endmacro(PYTHON_INSTALL)
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