| """Runtime selection without importing CUDA or Spaces in local mode.""" | |
| import os | |
| def runtime_mode(): | |
| mode = os.getenv("PIXAL3D_RUNTIME", "auto").lower() | |
| if mode not in {"auto", "local", "zerogpu"}: | |
| raise ValueError("PIXAL3D_RUNTIME must be auto, local, or zerogpu") | |
| hosted = os.getenv("SPACES_ZERO_GPU", "").lower() not in {"", "0", "false"} | |
| if mode == "local" and hosted: | |
| raise ValueError("Local mode cannot run on ZeroGPU hardware") | |
| return ("zerogpu" if hosted else "local") if mode == "auto" else mode | |
| MODE = runtime_mode() | |
| def gpu_task(function=None, *, duration=None): | |
| if function is None: | |
| return lambda fn: gpu_task(fn, duration=duration) | |
| if MODE == "zerogpu": | |
| import spaces | |
| return spaces.GPU(duration=duration or int(os.getenv("PIXAL3D_GPU_SECONDS", "180")))(function) | |
| return function | |