f3e21c6b98
Accumulated uncommitted work: GHOST Web backend, WebGL/GPU web layer, web workflow engine and protocol, tooling, docs and task records. Large generated evidence, user-testing archives, build snapshots and imported test assets remain untracked. Co-Authored-By: Claude Code <noreply@anthropic.com>
48 lines
2.7 KiB
Python
48 lines
2.7 KiB
Python
#!/usr/bin/env python3
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"""Build Blender's pinned OpenEXR with the existing WASM Imath installation."""
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import hashlib
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import re
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import shutil
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import subprocess
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import tarfile
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import urllib.request
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from pathlib import Path
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ROOT = Path(__file__).resolve().parents[2]
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BASE = ROOT / 'build_web_openexr'
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IMATH = ROOT / 'build_web_ocio/install'
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def main():
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versions = (ROOT / 'blender-5.2.0/build_files/build_environment/cmake/versions.cmake').read_text()
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value = lambda name: re.search(r'set\(OPENEXR_' + name + r' ([^)]+)\)', versions)[1]
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version, expected, algorithm = value('VERSION'), value('HASH'), value('HASH_TYPE').lower()
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if not (IMATH / 'lib/cmake/Imath/ImathConfig.cmake').is_file():
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raise SystemExit('Reuse/build the Web OCIO Imath installation first')
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BASE.mkdir(exist_ok=True)
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archive = BASE / ('openexr-' + version + '.tar.gz')
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if not archive.is_file():
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with urllib.request.urlopen('https://codeload.github.com/AcademySoftwareFoundation/openexr/tar.gz/refs/tags/v' + version, timeout=60) as response:
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data = response.read()
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if hashlib.new(algorithm, data).hexdigest() != expected:
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raise SystemExit('OpenEXR download differs from Blender pinned source hash')
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archive.write_bytes(data)
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if hashlib.new(algorithm, archive.read_bytes()).hexdigest() != expected:
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raise SystemExit('OpenEXR archive differs from Blender pinned source hash')
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source = BASE / ('openexr-' + version)
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if not (source / 'CMakeLists.txt').is_file():
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with tarfile.open(archive) as package: package.extractall(BASE, filter='data')
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toolchain = ROOT / '.emsdk/upstream/emscripten/cmake/Modules/Platform/Emscripten.cmake'
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subprocess.run(['cmake', '-S', str(source), '-B', str(BASE / 'build'), '-G', 'Ninja',
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'-DCMAKE_TOOLCHAIN_FILE=' + str(toolchain), '-DCMAKE_BUILD_TYPE=Release',
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'-DCMAKE_INSTALL_PREFIX=' + str(BASE / 'install'), '-DCMAKE_INSTALL_LIBDIR=lib',
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'-DCMAKE_PREFIX_PATH=' + str(IMATH), '-DCMAKE_FIND_ROOT_PATH=' + str(IMATH),
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'-DImath_DIR=' + str(IMATH / 'lib/cmake/Imath'), '-DCMAKE_CXX_FLAGS=-fexceptions',
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'-DCMAKE_C_FLAGS=', '-DBUILD_SHARED_LIBS=OFF', '-DBUILD_TESTING=OFF',
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'-DOPENEXR_ENABLE_THREADING=OFF', '-DBUILD_WEBSITE=OFF', '-DOPENEXR_INSTALL_DOCS=OFF',
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'-DOPENEXR_BUILD_TOOLS=OFF', '-DOPENEXR_BUILD_EXAMPLES=OFF', '-DOPENEXR_FORCE_INTERNAL_DEFLATE=ON'], cwd=ROOT, check=True)
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subprocess.run(['cmake', '--build', str(BASE / 'build'), '--target', 'install', '--parallel', '8'], cwd=ROOT, check=True)
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shutil.copy2(BASE / 'build/external/OpenJPH/src/core/libopenjph.a', BASE / 'install/lib/libopenjph.a')
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if __name__ == '__main__':
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main()
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