Advanced cross-platform toolchain detection. Caches results for performance. Checks multiple locations for maximum reliability.
| 38 | |
| 39 | |
| 40 | class ToolchainDetector: |
| 41 | """ |
| 42 | Advanced cross-platform toolchain detection. |
| 43 | |
| 44 | Caches results for performance. |
| 45 | Checks multiple locations for maximum reliability. |
| 46 | """ |
| 47 | |
| 48 | def __init__(self, config_paths: Optional[Dict[str, str]] = None): |
| 49 | """ |
| 50 | Initialize detector with optional configured compiler paths. |
| 51 | |
| 52 | Args: |
| 53 | config_paths: Optional dict of configured paths (e.g., {'nvcc': '/path/to/nvcc', 'cl': '/path/to/cl.exe'}) |
| 54 | """ |
| 55 | self._cache: Dict[str, ToolInfo] = {} |
| 56 | self.platform = platform.system() |
| 57 | self.config_paths = config_paths or {} |
| 58 | |
| 59 | # ============================================================================ |
| 60 | # NVCC Detection - CUDA Compiler |
| 61 | # ============================================================================ |
| 62 | |
| 63 | def detect_nvcc(self) -> ToolInfo: |
| 64 | """ |
| 65 | Detect NVCC (CUDA compiler) with advanced cross-platform support. |
| 66 | |
| 67 | Checks: |
| 68 | 1. Configured path (from config) |
| 69 | 2. PATH environment variable |
| 70 | 3. CUDA_PATH environment variable |
| 71 | 4. Common installation locations |
| 72 | 5. Extracts version information |
| 73 | |
| 74 | Returns: |
| 75 | ToolInfo with availability, path, version |
| 76 | """ |
| 77 | if 'nvcc' in self._cache: |
| 78 | return self._cache['nvcc'] |
| 79 | |
| 80 | # Check configured path first (highest priority) |
| 81 | if 'nvcc' in self.config_paths and self.config_paths['nvcc']: |
| 82 | nvcc_configured = Path(self.config_paths['nvcc']) |
| 83 | if nvcc_configured.exists(): |
| 84 | version = self._get_nvcc_version(str(nvcc_configured)) |
| 85 | info = ToolInfo( |
| 86 | available=True, |
| 87 | path=str(nvcc_configured), |
| 88 | version=version |
| 89 | ) |
| 90 | self._cache['nvcc'] = info |
| 91 | return info |
| 92 | |
| 93 | # Check PATH (fast auto-detection) |
| 94 | nvcc_path = shutil.which('nvcc') |
| 95 | |
| 96 | if nvcc_path: |
| 97 | version = self._get_nvcc_version(nvcc_path) |
no outgoing calls
no test coverage detected