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"""Build script for the PyOuroboros CFFI extensions.
Resolves the ouroboros library version via ``pkg-config`` and the
pyouroboros source version via ``setuptools_scm``, verifies that the
``major.minor`` halves match, and delegates the actual build to the
CFFI builders under ``ffi/``.
"""
from __future__ import annotations
import subprocess
import sys
from setuptools import setup
from setuptools_scm import get_version
def _get_ouroboros_version() -> str:
try:
out = subprocess.check_output(
['pkg-config', '--modversion', 'ouroboros-dev'],
stderr=subprocess.DEVNULL,
)
return out.decode().strip()
except (subprocess.CalledProcessError, FileNotFoundError):
sys.exit("ERROR: ouroboros-dev not found via pkg-config. "
"Is Ouroboros installed?")
def _check_build_version_compat() -> None:
try:
pyo7s_ver = get_version(root='.', relative_to=__file__)
except (LookupError, OSError):
return # no SCM info, skip check
o7s_ver = _get_ouroboros_version()
# setuptools_scm: '0.23.1.dev3+g<hash>' or '0.23.0'
# pkg-config: '0.23.0'
# Compare major.minor only.
o7s_parts = o7s_ver.split('.')
pyo7s_parts = pyo7s_ver.split('.')
if o7s_parts[0] != pyo7s_parts[0] or o7s_parts[1] != pyo7s_parts[1]:
sys.exit(
f"ERROR: Version mismatch: ouroboros {o7s_ver} "
f"vs pyouroboros {pyo7s_ver} "
f"(major.minor must match)"
)
_check_build_version_compat()
setup(
cffi_modules=[
"ffi/pyouroboros_build_dev.py:ffibuilder",
"ffi/pyouroboros_build_irm.py:ffibuilder",
],
)
|
