mirror of
https://github.com/mihakralj/QuanTAlib.git
synced 2026-07-28 17:57:45 +00:00
Miha Kralj
43 lines
1.2 KiB
Python
43 lines
1.2 KiB
Python
from __future__ import annotations
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import ctypes
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import platform
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from pathlib import Path
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_PLATFORM_MAP: dict[tuple[str, str], str] = {
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("Windows", "AMD64"): "win_amd64/quantalib_native.dll",
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("Windows", "ARM64"): "win_arm64/quantalib_native.dll",
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("Linux", "x86_64"): "linux_x86_64/quantalib_native.so",
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("Linux", "aarch64"): "linux_arm64/quantalib_native.so",
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("Darwin", "arm64"): "macosx_arm64/quantalib_native.dylib",
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("Darwin", "x86_64"): "macosx_x86_64/quantalib_native.dylib",
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}
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def _native_root() -> Path:
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return Path(__file__).resolve().parent / "native"
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def _native_relative_path() -> str:
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key = (platform.system(), platform.machine())
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if key not in _PLATFORM_MAP:
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raise OSError(
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f"Unsupported platform/architecture: system={key[0]!r}, arch={key[1]!r}"
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)
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return _PLATFORM_MAP[key]
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def native_library_path() -> Path:
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return _native_root() / _native_relative_path()
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def load_native_library() -> ctypes.CDLL:
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path = native_library_path()
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if not path.exists():
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raise OSError(
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"quantalib native library not found. "
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f"Expected: {path} "
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f"(system={platform.system()}, arch={platform.machine()})"
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)
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return ctypes.CDLL(str(path)) |