add support for PEP517 [1] if a pyproject.toml file is found, use it to create the recipe, otherwise fallback to the old setup.py method.
[YOCTO #14737] [1]: https://peps.python.org/pep-0517/ Signed-off-by: Julien Stephan <jstep...@baylibre.com> --- .../lib/recipetool/create_buildsys_python.py | 234 +++++++++++++++++- 1 file changed, 233 insertions(+), 1 deletion(-) diff --git a/scripts/lib/recipetool/create_buildsys_python.py b/scripts/lib/recipetool/create_buildsys_python.py index 69f6f5ca511..0b601d50a4b 100644 --- a/scripts/lib/recipetool/create_buildsys_python.py +++ b/scripts/lib/recipetool/create_buildsys_python.py @@ -18,6 +18,7 @@ import os import re import sys import subprocess +import toml from recipetool.create import RecipeHandler logger = logging.getLogger('recipetool') @@ -656,6 +657,235 @@ class PythonSetupPyRecipeHandler(PythonRecipeHandler): handled.append('buildsystem') +class PythonPyprojectTomlRecipeHandler(PythonRecipeHandler): + """Base class to support PEP517 and PEP518 + + PEP517 https://peps.python.org/pep-0517/#source-trees + PEP518 https://peps.python.org/pep-0518/#build-system-table + """ + + # PEP621: https://packaging.python.org/en/latest/specifications/declaring-project-metadata/ + # add only the ones that map to a BB var + # potentially missing: optional-dependencies + bbvar_map = { + "name": "PN", + "version": "PV", + "Homepage": "HOMEPAGE", + "description": "SUMMARY", + "license": "LICENSE", + "dependencies": "RDEPENDS:${PN}", + "requires": "DEPENDS", + } + + replacements = [ + ("license", r" +$", ""), + ("license", r"^ +", ""), + ("license", r" ", "-"), + ("license", r"^GNU-", ""), + ("license", r"-[Ll]icen[cs]e(,?-[Vv]ersion)?", ""), + ("license", r"^UNKNOWN$", ""), + # Remove currently unhandled version numbers from these variables + ("requires", r"\[[^\]]+\]$", ""), + ("requires", r"^([^><= ]+).*", r"\1"), + ("dependencies", r"\[[^\]]+\]$", ""), + ("dependencies", r"^([^><= ]+).*", r"\1"), + ] + + build_backend_map = { + "setuptools.build_meta": "python_setuptools_build_meta", + "poetry.core.masonry.api": "python_poetry_core", + "flit_core.buildapi": "python_flit_core", + } + + excluded_native_pkgdeps = [ + # already provided by python_setuptools_build_meta.bbclass + "python3-setuptools-native", + "python3-wheel-native", + # already provided by python_poetry_core.bbclass + "python3-poetry-core-native", + # already provided by python_flit_core.bbclass + "python3-flit-core-native", + ] + + # add here a list of known and often used packages and the corresponding bitbake package + known_deps_map = { + "setuptools": "python3-setuptools", + "wheel": "python3-wheel", + "poetry-core": "python3-poetry-core", + "flit_core": "python3-flit-core", + "setuptools-scm": "python3-setuptools-scm", + } + + def __init__(self): + pass + + def process(self, srctree, classes, lines_before, lines_after, handled, extravalues): + info = {} + + if 'buildsystem' in handled: + return False + + # Check for non-zero size setup.py files + setupfiles = RecipeHandler.checkfiles(srctree, ["pyproject.toml"]) + for fn in setupfiles: + if os.path.getsize(fn): + break + else: + return False + + setupscript = os.path.join(srctree, "pyproject.toml") + + try: + config = self.parse_pyproject_toml(setupscript) + build_backend = config["build-system"]["build-backend"] + if build_backend in self.build_backend_map: + classes.append(self.build_backend_map[build_backend]) + else: + logger.error( + "Unsupported build-backend: %s, cannot use pyproject.toml. Will try to use legacy setup.py" + % build_backend + ) + return False + + licfile = "" + if "project" in config: + for field, values in config["project"].items(): + if field == "license": + value = values.get("text", "") + if not value: + licfile = values.get("file", "") + elif isinstance(values, dict): + for k, v in values.items(): + info[k] = v + continue + else: + value = values + + info[field] = value + + # Grab the license value before applying replacements + license_str = info.get("license", "").strip() + + if license_str: + for i, line in enumerate(lines_before): + if line.startswith("##LICENSE_PLACEHOLDER##"): + lines_before.insert( + i, "# NOTE: License in pyproject.toml is: %s" % license_str + ) + break + + info["requires"] = config["build-system"]["requires"] + + self.apply_info_replacements(info) + + if "classifiers" in info: + license = self.handle_classifier_license( + info["classifiers"], info.get("license", "") + ) + if license: + if licfile: + lines = [] + md5value = bb.utils.md5_file(os.path.join(srctree, licfile)) + lines.append('LICENSE = "%s"' % license) + lines.append( + 'LIC_FILES_CHKSUM = "file://%s;md5=%s"' + % (licfile, md5value) + ) + lines.append("") + + # Replace the placeholder so we get the values in the right place in the recipe file + try: + pos = lines_before.index("##LICENSE_PLACEHOLDER##") + except ValueError: + pos = -1 + if pos == -1: + lines_before.extend(lines) + else: + lines_before[pos : pos + 1] = lines + + handled.append(("license", [license, licfile, md5value])) + else: + info["license"] = license + + provided_packages = self.parse_pkgdata_for_python_packages() + provided_packages.update(self.known_deps_map) + native_mapped_deps, native_unmapped_deps = set(), set() + mapped_deps, unmapped_deps = set(), set() + + if "requires" in info: + for require in info["requires"]: + mapped = provided_packages.get(require) + + if mapped: + logger.error("Mapped %s to %s" % (require, mapped)) + native_mapped_deps.add(mapped) + else: + logger.error("Could not map %s" % require) + native_unmapped_deps.add(require) + + info.pop("requires") + + if native_mapped_deps != set(): + native_mapped_deps = { + item + "-native" for item in native_mapped_deps + } + native_mapped_deps -= set(self.excluded_native_pkgdeps) + if native_mapped_deps != set(): + info["requires"] = " ".join(sorted(native_mapped_deps)) + + if native_unmapped_deps: + lines_after.append("") + lines_after.append( + "# WARNING: We were unable to map the following python package/module" + ) + lines_after.append( + "# dependencies to the bitbake packages which include them:" + ) + lines_after.extend( + "# {}".format(d) for d in sorted(native_unmapped_deps) + ) + + if "dependencies" in info: + for dependency in info["dependencies"]: + mapped = provided_packages.get(dependency) + if mapped: + logger.error("Mapped %s to %s" % (dependency, mapped)) + mapped_deps.add(mapped) + else: + logger.error("Could not map %s" % dependency) + unmapped_deps.add(dependency) + + info.pop("dependencies") + + if mapped_deps != set(): + if mapped_deps != set(): + info["dependencies"] = " ".join(sorted(mapped_deps)) + + if unmapped_deps: + lines_after.append("") + lines_after.append( + "# WARNING: We were unable to map the following python package/module" + ) + lines_after.append( + "# runtime dependencies to the bitbake packages which include them:" + ) + lines_after.extend( + "# {}".format(d) for d in sorted(unmapped_deps) + ) + + self.map_info_to_bbvar(info, extravalues) + + handled.append("buildsystem") + except Exception: + logger.exception("Failed to parse pyproject.toml") + return False + + def parse_pyproject_toml(self, setupscript): + with open(setupscript, "r") as f: + config = toml.load(f) + return config + + def gather_setup_info(fileobj): parsed = ast.parse(fileobj.read(), fileobj.name) visitor = SetupScriptVisitor() @@ -769,5 +999,7 @@ def has_non_literals(value): def register_recipe_handlers(handlers): - # We need to make sure this is ahead of the makefile fallback handler + # We need to make sure these are ahead of the makefile fallback handler + # and the pyproject.toml handler ahead of the setup.py handler + handlers.append((PythonPyprojectTomlRecipeHandler(), 75)) handlers.append((PythonSetupPyRecipeHandler(), 70)) -- 2.42.0
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