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
@@ -0,0 +1,90 @@
+# mypy: allow-untyped-defs
+"""Functionality for Python <-> C++ frontend inter-op."""
+
+from torch import nn
+
+
+class OrderedDictWrapper:
+    """A wrapper around a C++ OrderedDict.
+
+    It dynamically evaluates the OrderedDict getter on a bound C++ module, such
+    that new changes on the C++ side are picked up. Otherwise accessing e.g.
+    ``cpp_module._parameters`` just once would get a frozen copy of the parameters
+    at the time of access. ``torch.nn.Module`` accesses ``_parameters`` et al. via ``self.__dict__``
+    so using properties does not work.
+    """
+
+    def __init__(self, cpp_module, attr) -> None:
+        self.cpp_module = cpp_module
+        self.attr = attr
+
+    @property
+    def cpp_dict(self):
+        return getattr(self.cpp_module, self.attr)
+
+    # Magic methods cannot be assigned dynamically and bypass ``getattr``, so we
+    # must manually override them.
+
+    def items(self):
+        return self.cpp_dict.items()
+
+    def keys(self):
+        return self.cpp_dict.keys()
+
+    def values(self):
+        return self.cpp_dict.values()
+
+    def __iter__(self):
+        return self.cpp_dict.__iter__()
+
+    def __len__(self) -> int:
+        return self.cpp_dict.__len__()
+
+    def __contains__(self, key) -> bool:
+        return self.cpp_dict.__contains__(key)
+
+    def __getitem__(self, key):
+        return self.cpp_dict.__getitem__(key)
+
+
+class ModuleWrapper(nn.Module):
+    """A subclass of ``torch.nn.Module`` that wraps a C++ frontend module and delegates all access."""
+
+    def __init__(self, cpp_module) -> None:
+        # Assign before the super class constructor so ``self.training`` can be
+        # assigned to in the super class constructor.
+        self.cpp_module = cpp_module
+        super().__init__()
+        self._parameters = OrderedDictWrapper(cpp_module, "_parameters")  # type: ignore[assignment]
+        self._buffers: OrderedDictWrapper = OrderedDictWrapper(cpp_module, "_buffers")  # type: ignore[assignment]
+        self._modules: OrderedDictWrapper = OrderedDictWrapper(cpp_module, "_modules")  # type: ignore[assignment]
+        for attr in dir(cpp_module):
+            # Skip magic methods and the three attributes above.
+            if not attr.startswith("_"):
+                setattr(self, attr, getattr(self.cpp_module, attr))
+
+    def _apply(self, fn, recurse=True):
+        for param in self.parameters():
+            # Tensors stored in modules are graph leaves, and we don't
+            # want to create copy nodes, so we have to unpack the data.
+            param.data = fn(param.data)
+            if param._grad is not None:
+                param._grad.data = fn(param._grad.data)
+
+        for buf in self.buffers():
+            buf.data = fn(buf.data)
+
+        return self
+
+    # nn.Module defines training as a boolean
+    @property  # type: ignore[override]
+    # pyrefly: ignore [bad-override]
+    def training(self):
+        return self.cpp_module.training
+
+    @training.setter
+    def training(self, mode) -> None:
+        self.cpp_module.train(mode)
+
+    def __repr__(self) -> str:
+        return self.cpp_module.__repr__()