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build python only if needed

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This commit is contained in:
amoki
2021-10-08 15:23:27 +02:00
committed by Thomas Krijnen
parent 63bfe761bf
commit 8ed395a29f
1 changed files with 27 additions and 34 deletions
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nix/build-all.py
+27 -34
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@@ -70,10 +70,8 @@ logger.addHandler(ch)
PROJECT_NAME = "IfcOpenShell"
USE_CURRENT_PYTHON_VERSION = os.getenv("USE_CURRENT_PYTHON_VERSION")
if USE_CURRENT_PYTHON_VERSION:
PYTHON_VERSIONS = [platform.python_version()]
else:
PYTHON_VERSIONS = ["3.6.14", "3.7.12", "3.8.12", "3.9.7", "3.10.0"]
PYTHON_VERSIONS = ["3.6.14", "3.7.12", "3.8.12", "3.9.7", "3.10.0"]
JSON_VERSION = "v3.6.1"
OCE_VERSION = "0.18.3"
OCCT_VERSION = "7.5.3"
@@ -567,7 +565,7 @@ if "OpenCOLLADA" in targets:
revision=OPENCOLLADA_VERSION
)
if "python" in targets:
if "python" in targets and not USE_CURRENT_PYTHON_VERSION:
# Python should not be built with -fvisibility=hidden, from experience that introduces segfaults
OLD_CXX_FLAGS = os.environ["CXXFLAGS"]
OLD_C_FLAGS = os.environ["CFLAGS"]
@@ -653,7 +651,7 @@ if "cgal" in targets:
cecho("Building IfcOpenShell:", GREEN)
IFCOS_DIR=os.path.join(DEPS_DIR, "build", "ifcopenshell")
IFCOS_DIR = os.path.join(DEPS_DIR, "build", "ifcopenshell")
if os.path.exists(IFCOS_DIR):
shutil.rmtree(IFCOS_DIR)
os.makedirs(IFCOS_DIR)
@@ -744,7 +742,6 @@ run([make, f"-j{IFCOS_NUM_BUILD_PROCS}"], cwd=executables_dir)
run([make, "install/strip" if BUILD_CFG == "Release" else "install"], cwd=executables_dir)
if "IfcOpenShell-Python" in targets:
# On OSX the actual Python library is not linked against.
ADDITIONAL_ARGS = ""
if platform.system() == "Darwin":
@@ -754,54 +751,50 @@ if "IfcOpenShell-Python" in targets:
os.environ["CFLAGS"] = f"{CFLAGS_MINIMAL} {ADDITIONAL_ARGS}"
os.environ["LDFLAGS"] = f"{LDFLAGS} {ADDITIONAL_ARGS}"
for PYTHON_VERSION in PYTHON_VERSIONS:
logger.info(f"\rConfiguring python {PYTHON_VERSION} wrapper...")
python_dir = os.path.join(IFCOS_DIR, "pythonwrapper")
os.makedirs(python_dir, exist_ok=True)
python_dir = os.path.join(IFCOS_DIR, "pythonwrapper")
if not os.path.exists(python_dir):
os.makedirs(python_dir)
def compile_python_wrapper(python_version, python_library, python_include, python_executable):
logger.info(f"\rConfiguring python {python_version} wrapper...")
cache_path = os.path.join(python_dir, "CMakeCache.txt")
if os.path.exists(cache_path):
os.unlink(cache_path)
os.remove(cache_path)
PYTHON_LIBRARY = run([bash, "-c", f"ls {DEPS_DIR}/install/python-{PYTHON_VERSION}/lib/libpython*.*"])
PYTHON_INCLUDE = run([bash, "-c", f"ls -d {DEPS_DIR}/install/python-{PYTHON_VERSION}/include/python*"])
PYTHON_EXECUTABLE = os.path.join(DEPS_DIR, "install", f"python-{PYTHON_VERSION}", "bin", f"python{PYTHON_VERSION[0]}")
os.environ["PYTHON_LIBRARY_BASENAME"] = os.path.basename(PYTHON_LIBRARY)
os.environ["python_library_BASENAME"] = os.path.basename(python_library)
run_cmake("",
cmake_args + [
"-DPYTHON_LIBRARY=" +PYTHON_LIBRARY,
"-DPYTHON_EXECUTABLE=" +PYTHON_EXECUTABLE,
"-DPYTHON_INCLUDE_DIR=" +PYTHON_INCLUDE,
"-Dpython_library=" +python_library,
"-Dpython_executable=" +python_executable,
"-Dpython_include_DIR=" +python_include,
"-DSWIG_EXECUTABLE=" f"{DEPS_DIR}/install/swig/bin/swig",
"-DCMAKE_INSTALL_PREFIX=" f"{DEPS_DIR}/install/ifcopenshell/tmp",
], cmake_dir=CMAKE_DIR, cwd=python_dir)
logger.info(f"\rBuilding python {PYTHON_VERSION} wrapper... ")
logger.info(f"\rBuilding python {python_version} wrapper... ")
run([make, f"-j{IFCOS_NUM_BUILD_PROCS}", "_ifcopenshell_wrapper"], cwd=python_dir)
run([make, "install/local"], cwd=os.path.join(python_dir, "ifcwrap"))
module_dir = os.path.dirname(run([PYTHON_EXECUTABLE, "-c", "import inspect, ifcopenshell; print(inspect.getfile(ifcopenshell))"]))
module_dir = os.path.dirname(run([python_executable, "-c", "import inspect, ifcopenshell; print(inspect.getfile(ifcopenshell))"]))
if platform.system() != "Darwin":
# TODO: This symbol name depends on the Python version?
run([strip, "-s", "-K", "PyInit__ifcopenshell_wrapper", "_ifcopenshell_wrapper.so"], cwd=module_dir)
if USE_CURRENT_PYTHON_VERSION:
# copy module in site-package to automatically install it
site_package_dir = sysconfig.get_paths()["purelib"]
module_dir_name = os.path.basename(os.path.normpath(module_dir))
logger.info(f"\rInstalling python module in {site_package_dir}")
os.makedirs(os.path.join(site_package_dir, module_dir_name), exist_ok=True)
try:
run([cp, "-R", module_dir, site_package_dir])
except Exception as e:
logger.warning(f"Unable to copy python module: {e}\nSkipping this task")
return module_dir
run([cp, "-R", module_dir, os.path.join(DEPS_DIR, "install", "ifcopenshell", f"python-{PYTHON_VERSION}")])
if USE_CURRENT_PYTHON_VERSION:
python_info = sysconfig.get_paths()
compile_python_wrapper(platform.python_version(), python_info["purelib"], python_info["include"], sys.executable)
else:
for python_version in PYTHON_VERSIONS:
python_library = run([bash, "-c", f"ls {DEPS_DIR}/install/python-{python_version}/lib/libpython*.*"])
python_include = run([bash, "-c", f"ls -d {DEPS_DIR}/install/python-{python_version}/include/python*"])
python_executable = os.path.join(DEPS_DIR, "install", f"python-{python_version}", "bin", f"python{python_version[0]}")
module_dir = compile_python_wrapper(python_version, python_library, python_include, python_executable)
run([cp, "-R", module_dir, os.path.join(DEPS_DIR, "install", "ifcopenshell", f"python-{python_version}")])
logger.info("\rBuilt IfcOpenShell...\n\n")