#
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# This file and its contents are supplied under the terms of the
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# Common Development and Distribution License ("CDDL"), version 1.0.
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# You may only use this file in accordance with the terms of version
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# 1.0 of the CDDL.
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#
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# A full copy of the text of the CDDL should have accompanied this
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# source. A copy of the CDDL is also available via the Internet at
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# http://www.illumos.org/license/CDDL.
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#
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#
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# Copyright 2022 Marcel Telka
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#
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include $(WS_MAKE_RULES)/setup.py.mk
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PYTHON_BOOTSTRAP ?= no
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ifeq ($(strip $(PYTHON_BOOTSTRAP)),yes)
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#
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# Both 'build' and 'installer' Python modules used for packaging regular Python
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# projects (see below) are not part of core Python, so we need to bootstrap
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# them together with their non-core dependencies.
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#
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# There are basically two ways how to bootstrap such projects:
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#
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# 1) defer to default 'setup.py' build style for projects that still supports
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# it. The 'setup.py' build style usually does not require anything outside
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# core Python modules. Also, it is likely that the set of projects that needs
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# to be bootstrapped (like setuptools) will support the 'setup.py' build style
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# for very long time (maybe forever). Anyway, the main problem with the
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# 'setup.py' build style is that its results are not PEP 376 compliant.
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#
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# 2) use something else, preferably as simple as possible, to do the build.
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# Such tool needs to be PEP 376 and PEP 517 compliant and it also must be able
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# to build itself without requiring any other non-core Python modules. We use
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# pyproject_installer to do the job.
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#
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ifeq ($(strip $(COMPONENT_NAME)),pyproject_installer)
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# To bootstrap the bootstrapper we need to make sure it finds its own modules
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PYTHON_ENV += PYTHONPATH=$(@D)/src
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endif
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# Since pyproject_installer requires Python >= 3.8 we need to defer to default
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# setup.py build style for Python 3.7, so we will use pyproject_installer for
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# Python 3.9 only. Once we obsolete Python 3.7 we should set
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# COMPONENT_BUILD_CMD, COMPONENT_BUILD_ARGS, COMPONENT_INSTALL_CMD, and
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# COMPONENT_INSTALL_ARGS unconditionally below and replace $(PYTHON.3.9) by
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# $(PYTHON).
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$(BUILD_DIR)/%-3.9/.built: COMPONENT_BUILD_CMD = $(PYTHON.3.9) -m pyproject_installer build
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$(BUILD_DIR)/%-3.9/.built: COMPONENT_BUILD_ARGS =
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$(BUILD_DIR)/%-3.9/.installed: COMPONENT_INSTALL_CMD = $(PYTHON.3.9) -m pyproject_installer install
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$(BUILD_DIR)/%-3.9/.installed: COMPONENT_INSTALL_ARGS =
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$(BUILD_DIR)/%-3.9/.installed: COMPONENT_INSTALL_ARGS += --destdir $(PROTO_DIR)
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# pyproject_installer does not bytecompile after the install. Since we need
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# pyc files we need to force that.
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#
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# Since pyproject_installer requires Python >= 3.8 we need to defer to default
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# setup.py build style for Python 3.7, and so we do not need to compile for
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# Python 3.7. Once we obsolete Python 3.7 we should set
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# COMPONENT_POST_INSTALL_ACTION unconditionally below.
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$(BUILD_DIR)/%-3.9/.installed: COMPONENT_POST_INSTALL_ACTION += $(PYTHON) -m compileall $(PROTO_DIR)/$(PYTHON_LIB) ;
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# Special transforms needed only until we drop support for Python 3.7
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PUBLISH_TRANSFORMS += $(WS_TOP)/transforms/python-bootstrap
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else
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COMPONENT_BUILD_CMD = $(PYTHON) -m build
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COMPONENT_BUILD_ARGS =
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COMPONENT_BUILD_ARGS += --wheel
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COMPONENT_BUILD_ARGS += --no-isolation
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COMPONENT_INSTALL_CMD = $(PYTHON) -m installer
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COMPONENT_INSTALL_ARGS =
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COMPONENT_INSTALL_ARGS += --destdir $(PROTO_DIR)
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COMPONENT_INSTALL_ARGS += $(@D)/dist/*.whl
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PYTHON_USERLAND_REQUIRED_PACKAGES += library/python/build
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PYTHON_USERLAND_REQUIRED_PACKAGES += library/python/installer
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endif
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# Move all modules from default site-packages directory to vendor-packages
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# directory where we place modules shipped by the OS but not included in the
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# core Python distribution.
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COMPONENT_POST_INSTALL_ACTION += \
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if [ -d $(PROTO_DIR)/$(PYTHON_DIR)/site-packages ] ; then \
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$(RM) -r $(PROTO_DIR)/$(PYTHON_LIB) ; \
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$(MV) $(PROTO_DIR)/$(PYTHON_DIR)/site-packages $(PROTO_DIR)/$(PYTHON_LIB) ; \
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fi ;
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# Add build dependencies from project metadata to REQUIRED_PACKAGES
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REQUIRED_PACKAGES_RESOLVED += $(BUILD_DIR)/META.depend.res
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$(BUILD_DIR)/META.depend.res: $(SOURCE_DIR)/.prep
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$(MKDIR) $(BUILD_DIR)
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# PYTHON_ENV is needed here to have the PYTHONPATH set properly when we
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# bootstrap the pyproject_installer bootstrapper.
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#
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# To make the package names comparable we normalize them here by
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# following the PyPA Core metadata specifications and PEP 503.
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#
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# Once we obsolete Python 3.7 we should change $(PYTHON.3.9) to $(PYTHON) here
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$(PYTHON_ENV) $(PYTHON.3.9) -c ' \
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from pathlib import Path; \
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from pyproject_installer.build_cmd._build import parse_build_system_spec; \
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[print(x) for x in parse_build_system_spec(Path("'$(SOURCE_DIR)'"))["requires"]]' \
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| $(GSED) -e $$'s/^[ \t]*''\([a-zA-Z0-9]\([a-zA-Z0-9._-]*[a-zA-Z0-9]\)\{0,1\}\).*/\1/' \
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| tr [A-Z] [a-z] | $(GSED) -e 's/[.-_]\{1,\}/-/g' \
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| $(GSED) -e 's/.*/depend type=require fmri=pkg:\/library\/python\/&-$$(PYV)/' \
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> $@
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# We need pyproject_installer for two purposes:
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# - to detect build dependencies for all Python projects, and
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# - to bootstrap some other Python projects.
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# The pyproject_installer is not needed (and cannot be needed) for its own
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# build.
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ifneq ($(strip $(COMPONENT_NAME)),pyproject_installer)
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# Once we obsolete Python 3.7 this should be changed to
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# PYTHON_USERLAND_REQUIRED_PACKAGES and '-39' suffix should be removed
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USERLAND_REQUIRED_PACKAGES += library/python/pyproject_installer-39
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endif
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