pycapnp/_custom_build/backend.py

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import sys
from setuptools.build_meta import * # noqa: F401, F403
from setuptools.build_meta import build_wheel
backend_class = build_wheel.__self__.__class__
class _CustomBuildMetaBackend(backend_class):
def run_setup(self, setup_script="setup.py"):
if self.config_settings:
flags = []
if self.config_settings.get("force-bundled-libcapnp"):
flags.append("--force-bundled-libcapnp")
if self.config_settings.get("force-system-libcapnp"):
flags.append("--force-system-libcapnp")
if self.config_settings.get("libcapnp-url"):
flags.append("--libcapnp-url")
flags.append(self.config_settings["libcapnp-url"])
if flags:
sys.argv = sys.argv[:1] + ["build_ext"] + flags + sys.argv[1:]
return super().run_setup(setup_script)
def build_wheel(
self, wheel_directory, config_settings=None, metadata_directory=None
):
self.config_settings = config_settings
return super().build_wheel(wheel_directory, config_settings, metadata_directory)
build_wheel = _CustomBuildMetaBackend().build_wheel