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Isolate pip builds from in-tree native artifacts #711

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Isolate pip builds from in-tree native artifacts #711

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12 changes: 10 additions & 2 deletions setup.py
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
import os
from pathlib import Path
import shutil
import subprocess
import sys

Expand All @@ -9,9 +10,16 @@

class SConsBuildExt(build_ext):
def build_extensions(self):
subprocess.check_call([sys.executable, "-m", "SCons", "--minimal", "-j", str(self.parallel or os.cpu_count() or 1)])
build_dir = Path(self.build_temp).resolve()
build_dir.mkdir(parents=True, exist_ok=True)
for path in ("SConstruct", "SConscript"):
shutil.copy2(path, build_dir / path)
for path in ("msgq", "site_scons"):
shutil.copytree(path, build_dir / path, dirs_exist_ok=True,
ignore=shutil.ignore_patterns("*.so", "*.o", "*.os", "*.a", "*.cpp", "__pycache__"))
subprocess.check_call([sys.executable, "-m", "SCons", "--minimal", "-j", str(self.parallel or os.cpu_count() or 1)], cwd=build_dir)
for ext in self.extensions:
source = Path(*ext.name.split(".")).with_suffix(".so")
source = build_dir.joinpath(*ext.name.split(".")).with_suffix(".so")
target = Path(self.get_ext_fullpath(ext.name))
target.parent.mkdir(parents=True, exist_ok=True)
self.copy_file(str(source), str(target))
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