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include_guard(GLOBAL)
function(x_vcpkg_get_python_packages)
cmake_parse_arguments(PARSE_ARGV 0 arg "" "PYTHON_VERSION;PYTHON_EXECUTABLE;REQUIREMENTS_FILE;OUT_PYTHON_VAR" "PACKAGES")
if(DEFINED arg_PYTHON_VERSION AND NOT DEFINED arg_PYTHON_EXECUTABLE)
vcpkg_find_acquire_program(PYTHON${arg_PYTHON_VERSION})
set(arg_PYTHON_EXECUTABLE "${PYTHON${arg_PYTHON_VERSION}}")
endif()
if(NOT DEFINED arg_PYTHON_EXECUTABLE AND NOT DEFINED arg_PYTHON_VERSION)
message(FATAL_ERROR "PYTHON_EXECUTABLE or PYTHON_VERSION must be specified.")
elseif(NOT DEFINED arg_PYTHON_VERSION)
if(arg_PYTHON_EXECUTABLE MATCHES "(python3|python-3)")
set(arg_PYTHON_VERSION 3)
else()
set(arg_PYTHON_VERSION 2)
endif()
endif()
if(NOT DEFINED arg_OUT_PYTHON_VAR)
set(arg_OUT_PYTHON_VAR "PYTHON${arg_PYTHON_VERSION}")
endif()
if(NOT DEFINED arg_PACKAGES AND NOT DEFINED arg_REQUIREMENTS_FILE)
message(FATAL_ERROR "PACKAGES or REQUIREMENTS_FILE must be specified.")
endif()
if(DEFINED arg_UNPARSED_ARGUMENTS)
message(FATAL_ERROR "${CMAKE_CURRENT_FUNCTION} was passed extra arguments: ${arg_UNPARSED_ARGUMENTS}")
endif()
get_filename_component(python_dir "${arg_PYTHON_EXECUTABLE}" DIRECTORY)
set(ENV{PYTHONNOUSERSITE} "1")
if(CMAKE_HOST_WIN32 AND
("${python_dir}" MATCHES "(${DOWNLOADS}|${CURRENT_HOST_INSTALLED_DIR})"
OR (VCPKG_TARGET_ARCHITECTURE STREQUAL "x86" AND ("${python_dir}" MATCHES "(${CURRENT_INSTALLED_DIR})"))
)) # inside vcpkg and windows host or compatible target.
if(NOT EXISTS "${python_dir}/easy_install${VCPKG_HOST_EXECUTABLE_SUFFIX}")
if(NOT EXISTS "${python_dir}/Scripts/pip${VCPKG_HOST_EXECUTABLE_SUFFIX}")
if(arg_PYTHON_VERSION STREQUAL 3)
vcpkg_from_github(
OUT_SOURCE_PATH PYFILE_PATH
REPO pypa/get-pip
REF 24.2
SHA512 7bcbc841564b7fc3cd2c109b9d3cfd34d853508edc9e040e9615fc0f9f18f74c7826d53671f65fa1abda3fd29a0a3f9f6114d9e9bdd6d120175ac207fd7ce321
)
vcpkg_execute_required_process(COMMAND "${arg_PYTHON_EXECUTABLE}" "${PYFILE_PATH}/public/get-pip.py" --no-warn-script-location
WORKING_DIRECTORY "${CURRENT_BUILDTREES_DIR}"
LOGNAME "get-pip-${TARGET_TRIPLET}")
elseif(arg_PYTHON_VERSION STREQUAL 2)
vcpkg_download_distfile(PYFILE
URLS "https://bootstrap.pypa.io/pip/2.7/get-pip.py"
FILENAME "get-pip.py"
SHA512 8c74bdaff57a2dcf2aa69c4c218b7d5f3bf4a470dbda2d7c8d1b53862c84e2a83cd04c3cd20cf80dc0e4076b113a734413e31d6a9853f41e894398e7f88f848e
)
vcpkg_execute_required_process(COMMAND "${arg_PYTHON_EXECUTABLE}" "${PYFILE}" --no-warn-script-location
WORKING_DIRECTORY "${CURRENT_BUILDTREES_DIR}"
LOGNAME "get-pip-${TARGET_TRIPLET}")
endif()
endif()
vcpkg_execute_required_process(COMMAND "${python_dir}/Scripts/pip${VCPKG_HOST_EXECUTABLE_SUFFIX}" install virtualenv --no-warn-script-location
WORKING_DIRECTORY "${CURRENT_BUILDTREES_DIR}"
LOGNAME "pip-install-virtualenv-${TARGET_TRIPLET}")
else()
vcpkg_execute_required_process(COMMAND "${python_dir}/easy_install${VCPKG_HOST_EXECUTABLE_SUFFIX}" virtualenv --no-warn-script-location #${_package}
WORKING_DIRECTORY "${CURRENT_BUILDTREES_DIR}"
LOGNAME "easy-install-virtualenv-${TARGET_TRIPLET}")
endif()
endif()
set(venv_path "${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-venv")
file(REMOVE_RECURSE "${venv_path}") # Remove old venv
file(MAKE_DIRECTORY "${venv_path}")
if(CMAKE_HOST_WIN32)
file(MAKE_DIRECTORY "${python_dir}/DLLs")
set(python_sub_path /Scripts)
set(python_venv virtualenv)
file(GLOB python_zipped_stdlib "${python_dir}/python3*.zip")
if(python_zipped_stdlib)
file(COPY ${python_zipped_stdlib} DESTINATION "${venv_path}/Scripts")
endif()
set(python_venv_options "--app-data" "${venv_path}/data")
else()
set(python_sub_path /bin)
if(arg_PYTHON_VERSION STREQUAL 3)
set(python_venv venv)
elseif(arg_PYTHON_VERSION STREQUAL 2)
set(python_venv virtualenv)
endif()
set(python_venv_options --symlinks)
endif()
set(ENV{PYTHONNOUSERSITE} "1")
message(STATUS "Setting up python virtual environment...")
vcpkg_execute_required_process(COMMAND "${arg_PYTHON_EXECUTABLE}" -I -m "${python_venv}" ${python_venv_options} "${venv_path}"
WORKING_DIRECTORY "${CURRENT_BUILDTREES_DIR}"
LOGNAME "venv-setup-${TARGET_TRIPLET}")
vcpkg_add_to_path(PREPEND "${venv_path}${python_sub_path}")
set(${arg_OUT_PYTHON_VAR} "${venv_path}${python_sub_path}/python${VCPKG_HOST_EXECUTABLE_SUFFIX}")
set(ENV{VIRTUAL_ENV} "${venv_path}")
unset(ENV{PYTHONHOME})
unset(ENV{PYTHONPATH})
if(DEFINED arg_REQUIREMENTS_FILE)
message(STATUS "Installing requirements from: ${arg_REQUIREMENTS_FILE}")
vcpkg_execute_required_process(COMMAND "${${arg_OUT_PYTHON_VAR}}" -I -m pip install -r ${arg_REQUIREMENTS_FILE}
WORKING_DIRECTORY "${CURRENT_BUILDTREES_DIR}"
LOGNAME "pip-install-requirements-file-${TARGET_TRIPLET}")
endif()
if(DEFINED arg_PACKAGES)
message(STATUS "Installing python packages: ${arg_PACKAGES}")
vcpkg_execute_required_process(COMMAND "${${arg_OUT_PYTHON_VAR}}" -I -m pip install ${arg_PACKAGES}
WORKING_DIRECTORY "${CURRENT_BUILDTREES_DIR}"
LOGNAME "pip-install-packages-${TARGET_TRIPLET}")
endif()
message(STATUS "Setting up python virtual environment... finished.")
set(${arg_OUT_PYTHON_VAR} "${${arg_OUT_PYTHON_VAR}}" PARENT_SCOPE)
set(${arg_OUT_PYTHON_VAR} "${${arg_OUT_PYTHON_VAR}}" CACHE PATH "" FORCE)
endfunction()
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