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add a get_path
helper to modules
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@ -94,6 +94,21 @@ class Module(TorchModule):
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"""
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return False
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def get_path(self, parent: "Chain | None" = None, top: "Module | None" = None) -> str:
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"""Helper for debugging purpose only.
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Returns the path of the module in the chain as a string.
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If `top` is set then the path will be relative to `top`,
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otherwise it will be relative to the root of the chain.
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"""
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if (parent is None) or (self == top):
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return self.__class__.__name__
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for k, m in parent._modules.items(): # type: ignore
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if m is self:
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return parent.get_path(parent=parent.parent, top=top) + "." + k
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raise ValueError(f"{self} not found in {parent}")
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class ContextModule(Module):
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# we store parent into a one element list to avoid pytorch thinking it's a submodule
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@ -154,6 +169,9 @@ class ContextModule(Module):
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return clone
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def get_path(self, parent: "Chain | None" = None, top: "Module | None" = None) -> str:
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return super().get_path(parent=parent or self.parent, top=top)
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class WeightedModule(Module):
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@property
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@ -243,3 +243,17 @@ def test_debug_print() -> None:
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)
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assert chain._show_error_in_tree("Chain.Linear_2") == EXPECTED_TREE # type: ignore[reportPrivateUsage]
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def test_module_get_path() -> None:
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chain = fl.Chain(
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fl.Sum(
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fl.Linear(1, 1),
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fl.Linear(1, 1),
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),
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fl.Sum(),
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)
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assert chain.Sum_1.Linear_2.get_path(parent=chain.Sum_1) == "Chain.Sum_1.Linear_2"
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assert chain.Sum_1.Linear_2.get_path(parent=chain.Sum_1, top=chain.Sum_1) == "Sum.Linear_2"
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assert chain.Sum_1.get_path() == "Chain.Sum_1"
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