1# 2# Copyright OpenEmbedded Contributors 3# 4# SPDX-License-Identifier: MIT 5# 6 7# Common infrastructure for Python packages that use PEP-517 compliant packaging. 8# https://www.python.org/dev/peps/pep-0517/ 9# 10# This class will build a wheel in do_compile, and use pypa/installer to install 11# it in do_install. 12 13DEPENDS:append = " python3-build-native python3-installer-native" 14 15# Where to execute the build process from 16PEP517_SOURCE_PATH ?= "${S}" 17 18# The directory where wheels will be written 19PEP517_WHEEL_PATH ?= "${WORKDIR}/dist" 20 21# Other options to pass to build 22PEP517_BUILD_OPTS ?= "" 23 24# The interpreter to use for installed scripts 25PEP517_INSTALL_PYTHON = "python3" 26PEP517_INSTALL_PYTHON:class-native = "nativepython3" 27 28# pypa/installer option to control the bytecode compilation 29INSTALL_WHEEL_COMPILE_BYTECODE ?= "--compile-bytecode=0" 30 31# PEP517 doesn't have a specific configure step, so set an empty do_configure to avoid 32# running base_do_configure. 33python_pep517_do_configure () { 34 : 35} 36 37# When we have Python 3.11 we can parse pyproject.toml to determine the build 38# API entry point directly 39python_pep517_do_compile () { 40 nativepython3 -m build --no-isolation --wheel --outdir ${PEP517_WHEEL_PATH} ${PEP517_SOURCE_PATH} ${PEP517_BUILD_OPTS} 41} 42do_compile[cleandirs] += "${PEP517_WHEEL_PATH}" 43 44python_pep517_do_install () { 45 COUNT=$(find ${PEP517_WHEEL_PATH} -name '*.whl' -maxdepth 1 | wc -l) 46 if test $COUNT -eq 0; then 47 bbfatal No wheels found in ${PEP517_WHEEL_PATH} 48 elif test $COUNT -gt 1; then 49 bbfatal More than one wheel found in ${PEP517_WHEEL_PATH}, this should not happen 50 fi 51 52 nativepython3 -m installer ${INSTALL_WHEEL_COMPILE_BYTECODE} --interpreter "${USRBINPATH}/env ${PEP517_INSTALL_PYTHON}" --destdir=${D} ${PEP517_WHEEL_PATH}/*.whl 53} 54 55# A manual do_install that just uses unzip for bootstrapping purposes. Callers should DEPEND on unzip-native. 56python_pep517_do_bootstrap_install () { 57 install -d ${D}${PYTHON_SITEPACKAGES_DIR} 58 unzip -d ${D}${PYTHON_SITEPACKAGES_DIR} ${PEP517_WHEEL_PATH}/*.whl 59} 60 61EXPORT_FUNCTIONS do_configure do_compile do_install 62