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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Copyright 2025 NXP
#
# SPDX-License-Identifier: BSD-3-Clause
"""Custom build backend that wraps setuptools and forces platform wheels."""
import os
from typing import Any, Tuple
from setuptools.build_meta import build_editable as _build_editable
from setuptools.build_meta import build_sdist as _build_sdist
from setuptools.build_meta import build_wheel as _build_wheel
from setuptools.dist import Distribution
from wheel.bdist_wheel import bdist_wheel
def patch() -> None:
"""Patch the bdist wheel build."""
# Apply the monkey patch when the module is imported
original_has_ext_modules = getattr(Distribution, "has_ext_modules", None)
if original_has_ext_modules is not None:
Distribution.has_ext_modules = lambda self: True
# Also patch the is_pure method to return False
original_is_pure = getattr(Distribution, "is_pure", None)
if original_is_pure is not None:
Distribution.is_pure = lambda self: False
# Override the wheel tag generation
original_get_tag = getattr(bdist_wheel, "get_tag", None)
if original_get_tag is not None:
def tag(self: Any) -> Tuple[str, str, str]:
_, _, platform_tag = original_get_tag(self)
return ("py3", "none", platform_tag)
bdist_wheel.get_tag = tag
print("Custom build backend loaded: Platform-specific wheels enabled")
def validate_native_libraries() -> None:
"""Validate that native libraries exist in the expected locations."""
lib_dir = os.path.join(os.path.dirname(__file__), "libuuu", "lib")
if os.path.exists(lib_dir):
print(f"Native libraries found in: {lib_dir}")
# List found libraries
for root, _, files in os.walk(lib_dir):
for file in files:
if file.endswith((".dll", ".so", ".dylib")):
print(f" - {os.path.relpath(os.path.join(root, file), lib_dir)}")
else:
print(f"Warning: No native libraries found in {lib_dir}")
def build_wheel(wheel_directory, config_settings=None, metadata_directory=None) -> str: # type: ignore
"""Build wheel."""
patch()
validate_native_libraries()
return _build_wheel(wheel_directory, config_settings, metadata_directory)
def build_sdist(sdist_directory, config_settings=None) -> str: # type: ignore
"""Build source."""
patch()
validate_native_libraries()
return _build_sdist(sdist_directory, config_settings)
def build_editable(wheel_directory, config_settings=None, metadata_directory=None) -> str: # type: ignore
"""Build editable."""
patch()
validate_native_libraries()
return _build_editable(wheel_directory, config_settings, metadata_directory)
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