mirror of
https://github.com/capnproto/pycapnp.git
synced 2025-03-04 08:24:43 +01:00
6e7fffd7de
- Fixing flake8 configuration to agree with black - Adding black validation check to github actions
87 lines
2.5 KiB
Python
87 lines
2.5 KiB
Python
"Build the bundled capnp distribution"
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import subprocess
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import os
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import shutil
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import struct
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import sys
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def build_libcapnp(bundle_dir, build_dir): # noqa: C901
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"""
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Build capnproto
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"""
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bundle_dir = os.path.abspath(bundle_dir)
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capnp_dir = os.path.join(bundle_dir, "capnproto-c++")
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build_dir = os.path.abspath(build_dir)
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tmp_dir = os.path.join(capnp_dir, "build{}".format(8 * struct.calcsize("P")))
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# Clean the tmp build directory every time
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if os.path.exists(tmp_dir):
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shutil.rmtree(tmp_dir)
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os.mkdir(tmp_dir)
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cxxflags = os.environ.get("CXXFLAGS", None)
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ldflags = os.environ.get("LDFLAGS", None)
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os.environ["CXXFLAGS"] = (cxxflags or "") + " -O2 -DNDEBUG"
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os.environ["LDFLAGS"] = ldflags or ""
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# Enable ninja for compilation if available
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build_type = []
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if shutil.which("ninja"):
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build_type = ["-G", "Ninja"]
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# Determine python shell architecture for Windows
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python_arch = 8 * struct.calcsize("P")
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build_arch = []
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build_flags = []
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if os.name == "nt":
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if python_arch == 64:
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build_arch_flag = "x64"
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elif python_arch == 32:
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build_arch_flag = "Win32"
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else:
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raise RuntimeError("Unknown windows build arch")
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build_arch = ["-A", build_arch_flag]
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build_flags = ["--config", "Release"]
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print("Building module for {}".format(python_arch))
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if not shutil.which("cmake"):
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raise RuntimeError("Could not find cmake in your path!")
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args = [
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"cmake",
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"-DCMAKE_POSITION_INDEPENDENT_CODE=1",
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"-DBUILD_TESTING=OFF",
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"-DBUILD_SHARED_LIBS=OFF",
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"-DCMAKE_INSTALL_PREFIX:PATH={}".format(build_dir),
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capnp_dir,
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]
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args.extend(build_type)
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args.extend(build_arch)
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conf = subprocess.Popen(args, cwd=tmp_dir, stdout=sys.stdout)
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returncode = conf.wait()
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if returncode != 0:
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raise RuntimeError("CMake failed {}".format(returncode))
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# Run build through cmake
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args = [
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"cmake",
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"--build",
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".",
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"--target",
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"install",
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]
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args.extend(build_flags)
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build = subprocess.Popen(args, cwd=tmp_dir, stdout=sys.stdout)
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returncode = build.wait()
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if cxxflags is None:
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del os.environ["CXXFLAGS"]
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else:
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os.environ["CXXFLAGS"] = cxxflags
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if ldflags is None:
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del os.environ["LDFLAGS"]
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else:
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os.environ["LDFLAGS"] = ldflags
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if returncode != 0:
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raise RuntimeError("capnproto compilation failed: {}".format(returncode))
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