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qtermwidget-packaging/pyqt/cmake/PythonMacros.cmake

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# Python macros
# ~~~~~~~~~~~~~
# Copyright (c) 2007, Simon Edwards <simon@simonzone.com>
# Copyright (c) 2012, Luca Beltrame <lbeltrame@kde.org>
# Copyright (c) 2012, Rolf Eike Beer <eike@sf-mail.de>
#
# 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 DESTINATION_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.
set(PYTHON_MACROS_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR})
macro(PYTHON_INSTALL SOURCE_FILE DESTINATION_DIR)
find_file(_python_compile_py PythonCompile.py PATHS ${CMAKE_MODULE_PATH})
# Install the source file.
install(FILES ${SOURCE_FILE} DESTINATION ${DESTINATION_DIR})
# Byte compile and install the .pyc file, unless explicitly prevented by env..
if("$ENV{PYTHONDONTWRITEBYTECODE}" STREQUAL "")
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 ${SOURCE_FILE} PATH)
if(WIN32)
# remove drive letter
string(REGEX REPLACE "^[a-zA-Z]:/" "/" _basepath "${_basepath}")
endif(WIN32)
set(_bin_py ${CMAKE_CURRENT_BINARY_DIR}/${_basepath}/${_filename})
# Python 3.2 changed the pyc file location
if(PYTHON_VERSION_STRING VERSION_GREATER 3.1)
# To get the right version for suffix
set(_bin_pyc "${CMAKE_CURRENT_BINARY_DIR}/${_basepath}/__pycache__/${_filenamebase}.cpython-${PYTHON_VERSION_MAJOR}${PYTHON_VERSION_MINOR}.pyc")
set(_py_install_dir "${DESTINATION_DIR}/__pycache__/")
else()
set(_bin_pyc "${CMAKE_CURRENT_BINARY_DIR}/${_basepath}/${_filenamebase}.pyc")
set(_py_install_dir "${DESTINATION_DIR}")
endif()
file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/${_basepath})
# Setting because it will be displayed later, in compile_python_files
set(_message "Byte-compiling ${_bin_py} to ${_bin_pyc}")
string(REPLACE "/" "_" _rule_name "${_basepath}/${_bin_pyc}")
add_custom_target("${_rule_name}" ALL)
get_filename_component(_abs_bin_py ${_bin_py} ABSOLUTE)
if(_abs_bin_py STREQUAL _absfilename) # Don't copy the file onto itself.
add_custom_command(
TARGET "${_rule_name}"
COMMAND "${CMAKE_COMMAND}" -E echo "${_message}"
COMMAND "${PYTHON_EXECUTABLE}" "${_python_compile_py}" "${_bin_py}"
DEPENDS "${_absfilename}"
)
else()
add_custom_command(
TARGET "${_rule_name}"
COMMAND "${CMAKE_COMMAND}" -E echo "${_message}"
COMMAND "${CMAKE_COMMAND}" -E copy "${_absfilename}" "${_bin_py}"
COMMAND "${PYTHON_EXECUTABLE}" "${_python_compile_py}" "${_bin_py}"
DEPENDS "${_absfilename}"
)
endif()
install(FILES ${_bin_pyc} DESTINATION "${_py_install_dir}")
unset(_py_install_dir)
unset(_message)
endif("$ENV{PYTHONDONTWRITEBYTECODE}" STREQUAL "")
endmacro(PYTHON_INSTALL)