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