Initial import: grid-bot — grid trading bot for BTC-USDT on Cifra Markets

2026-09-24 13:22:23 +07:00
commit 642cc11a9f
18968 changed files with 5683248 additions and 0 deletions
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+from typing import Any
+
+import torch
+
+
+def _get_device_index(
+    device: Any, optional: bool = False, allow_cpu: bool = False
+) -> int:
+    r"""Get the device index from :attr:`device`, which can be a torch.device object, a Python integer, or ``None``.
+
+    If :attr:`device` is a torch.device object, returns the device index if it
+    is a MTIA device. Note that for a MTIA device without a specified index,
+    i.e., ``torch.device('mtia')``, this will return the current default MTIA
+    device if :attr:`optional` is ``True``. If :attr:`allow_cpu` is ``True``,
+    CPU devices will be accepted and ``-1`` will be returned in this case.
+
+    If :attr:`device` is a Python integer, it is returned as is.
+
+    If :attr:`device` is ``None``, this will return the current default MTIA
+    device if :attr:`optional` is ``True``.
+    """
+
+    if device is None and optional:
+        # If device is None (frequent), then we can can short-circuit the logic
+        return torch._C._mtia_getDevice()
+    if isinstance(device, int):
+        return device
+    if not torch.jit.is_scripting():
+        if isinstance(device, torch.mtia.device):
+            return device.idx
+    if isinstance(device, str):
+        device = torch.device(device)
+    device_idx: int | None = None
+    if isinstance(device, torch.device):
+        if not allow_cpu and device.type == "cpu":
+            raise ValueError(f"Expected a non cpu device, but got: {device}")
+        if device.type not in ["mtia", "cpu"]:
+            raise ValueError(f"Expected a mtia or cpu device, but got: {device}")
+        device_idx = -1 if device.type == "cpu" else device.index
+    if device_idx is None:
+        if optional:
+            device_idx = torch._C._mtia_getDevice()
+        else:
+            raise ValueError(
+                f"Expected a torch.device with a specified index or an integer, but got: {device}"
+            )
+    return device_idx