【Hackathon 9th No.119】Convert torch._C._nn.one_hot to torch.nn.functional.one_hot (#335)

* Convert torch._C._nn.one_hot to torch.nn.functional.one_hot

* resolve merge conflicts

* resolve merge conflicts

* update code

---------

Co-authored-by: Li Xinqi <[email protected]>

Author: G2uge

graph_net/torch/backend/unstable_to_stable_backend.py

@@ -201,7 +201,28 @@ def _impl_unstable_to_stable_softplus(self, gm):
         gm.recompile()
         return gm
 
-    # replace this line with modification code for task 119 (torch._C._nn.one_hot)
+    def _impl_unstable_to_stable_one_hot(self, gm):
+        """
+        Convert torch._C._nn.one_hot to torch.nn.functional.one_hot
+        """
+        import torch.nn.functional as F
+
+        issue_nodes = (
+            node
+            for node in gm.graph.nodes
+            if node.op == "call_function"
+            if hasattr(node.target, "__module__")
+            if node.target.__module__ == "torch._C._nn"
+            if hasattr(node.target, "__name__")
+            if node.target.__name__ == "one_hot"
+        )
+        for node in issue_nodes:
+            node.target = F.one_hot
+
+        # Recompile the graph
+        gm.recompile()
+
+        return gm
 
     def _impl_unstable_to_stable_set_grad_enabled(self, gm):
         """

graph_net/torch/fx_graph_serialize_util.py

@@ -142,7 +142,7 @@ def serialize_graph_module_to_str(gm: torch.fx.GraphModule) -> str:
         (r"torch\._C\._linalg\.linalg_vector_norm\(", "torch.linalg.vector_norm("),
         # replace this line with modification code for task 117 (torch._C._linalg.linalg_norm)
         (r"torch\._C\._nn\.softplus\(", "torch.nn.functional.softplus("),
-        # replace this line with modification code for task 119 (torch._C._nn.one_hot)
+        (r"torch\._C\._nn\.one_hot\(", "torch.nn.functional.one_hot("),
         (r"torch\._C\._set_grad_enabled\(", "torch.set_grad_enabled("),
         (r"torch\._C\.set_grad_enabled\(", "torch.set_grad_enabled("),
         # replace this line with modification code for task 122 (torch._C._log_api_usage_once)