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Diffstat (limited to 'meta/classes-recipe/python_pep517.bbclass')
-rw-r--r-- | meta/classes-recipe/python_pep517.bbclass | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/meta/classes-recipe/python_pep517.bbclass b/meta/classes-recipe/python_pep517.bbclass new file mode 100644 index 0000000000..c30674c8ec --- /dev/null +++ b/meta/classes-recipe/python_pep517.bbclass @@ -0,0 +1,61 @@ +# +# Copyright OpenEmbedded Contributors +# +# SPDX-License-Identifier: MIT +# + +# Common infrastructure for Python packages that use PEP-517 compliant packaging. +# https://www.python.org/dev/peps/pep-0517/ +# +# This class will build a wheel in do_compile, and use pypa/installer to install +# it in do_install. + +DEPENDS:append = " python3-build-native python3-installer-native" + +# Where to execute the build process from +PEP517_SOURCE_PATH ?= "${S}" + +# The directory where wheels will be written +PEP517_WHEEL_PATH ?= "${WORKDIR}/dist" + +# Other options to pass to build +PEP517_BUILD_OPTS ?= "" + +# The interpreter to use for installed scripts +PEP517_INSTALL_PYTHON = "python3" +PEP517_INSTALL_PYTHON:class-native = "nativepython3" + +# pypa/installer option to control the bytecode compilation +INSTALL_WHEEL_COMPILE_BYTECODE ?= "--compile-bytecode=0" + +# PEP517 doesn't have a specific configure step, so set an empty do_configure to avoid +# running base_do_configure. +python_pep517_do_configure () { + : +} + +# When we have Python 3.11 we can parse pyproject.toml to determine the build +# API entry point directly +python_pep517_do_compile () { + nativepython3 -m build --no-isolation --wheel --outdir ${PEP517_WHEEL_PATH} ${PEP517_SOURCE_PATH} ${PEP517_BUILD_OPTS} +} +do_compile[cleandirs] += "${PEP517_WHEEL_PATH}" + +python_pep517_do_install () { + COUNT=$(find ${PEP517_WHEEL_PATH} -name '*.whl' -maxdepth 1 | wc -l) + if test $COUNT -eq 0; then + bbfatal No wheels found in ${PEP517_WHEEL_PATH} + elif test $COUNT -gt 1; then + bbfatal More than one wheel found in ${PEP517_WHEEL_PATH}, this should not happen + fi + + nativepython3 -m installer ${INSTALL_WHEEL_COMPILE_BYTECODE} --interpreter "${USRBINPATH}/env ${PEP517_INSTALL_PYTHON}" --destdir=${D} ${PEP517_WHEEL_PATH}/*.whl +} + +# A manual do_install that just uses unzip for bootstrapping purposes. Callers should DEPEND on unzip-native. +python_pep517_do_bootstrap_install () { + install -d ${D}${PYTHON_SITEPACKAGES_DIR} + unzip -d ${D}${PYTHON_SITEPACKAGES_DIR} ${PEP517_WHEEL_PATH}/*.whl +} + +EXPORT_FUNCTIONS do_configure do_compile do_install |