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# Python macros
# ~~~~~~~~~~~~~
# Copyright (c) 2007, Simon Edwards <simon@simonzone.com>
#
# Redistribution and use is allowed according to the terms of the BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
#
# This file defines the following macros:
#
# PYTHON_INSTALL (SOURCE_FILE DESINATION_DIR)
# Install the SOURCE_FILE, which is a Python .py file, into the
# destination directory during install. The file will be byte compiled
# and both the .py file and .pyc file will be installed.
GET_FILENAME_COMPONENT(PYTHON_MACROS_MODULE_PATH ${CMAKE_CURRENT_LIST_FILE} PATH)
MACRO(PYTHON_INSTALL SOURCE_FILE DESINATION_DIR)
FIND_FILE(_python_compile_py PythonCompile.py PATHS ${CMAKE_MODULE_PATH})
ADD_CUSTOM_TARGET(compile_python_files ALL)
# Install the source file.
INSTALL(FILES ${SOURCE_FILE} DESTINATION ${DESINATION_DIR})
# Byte compile and install the .pyc file.
GET_FILENAME_COMPONENT(_absfilename ${SOURCE_FILE} ABSOLUTE)
GET_FILENAME_COMPONENT(_filename ${SOURCE_FILE} NAME)
GET_FILENAME_COMPONENT(_filenamebase ${SOURCE_FILE} NAME_WE)
GET_FILENAME_COMPONENT(_basepath ${SOURCE_FILE} PATH)
if(WIN32)
string(REGEX REPLACE ".:/" "/" _basepath "${_basepath}")
endif(WIN32)
SET(_bin_py ${CMAKE_CURRENT_BINARY_DIR}/${_basepath}/${_filename})
SET(_bin_pyc ${CMAKE_CURRENT_BINARY_DIR}/${_basepath}/${_filenamebase}.pyc)
FILE(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/${_basepath})
SET(_message "-DMESSAGE=Byte-compiling ${_bin_py}")
GET_FILENAME_COMPONENT(_abs_bin_py ${_bin_py} ABSOLUTE)
IF(_abs_bin_py STREQUAL ${_absfilename}) # Don't copy the file onto itself.
ADD_CUSTOM_COMMAND(
TARGET compile_python_files
COMMAND ${CMAKE_COMMAND} -E echo ${message}
COMMAND ${PYTHON_EXECUTABLE} ${_python_compile_py} ${_bin_py}
DEPENDS ${_absfilename}
)
ELSE(_abs_bin_py STREQUAL ${_absfilename})
ADD_CUSTOM_COMMAND(
TARGET compile_python_files
COMMAND ${CMAKE_COMMAND} -E echo ${message}
COMMAND ${CMAKE_COMMAND} -E copy ${_absfilename} ${_bin_py}
COMMAND ${PYTHON_EXECUTABLE} ${_python_compile_py} ${_bin_py}
DEPENDS ${_absfilename}
)
ENDIF(_abs_bin_py STREQUAL ${_absfilename})
INSTALL(FILES ${_bin_pyc} DESTINATION ${DESINATION_DIR})
ENDMACRO(PYTHON_INSTALL)
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