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multipy/runtime: mock _decomp #178

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multipy/runtime: mock _decomp #178

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12 changes: 11 additions & 1 deletion multipy/runtime/interpreter/interpreter_impl.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -125,8 +125,16 @@ import importlib.abc
import linecache
from zipfile import ZipFile

class DummyMultiPyModule:
def __getattr__(self, key):
return self

def __call__(self, *args, **kwargs):
return self

# Disable Python library registration since it's not compatible with multipy.
sys.modules["torch._meta_registrations"] = object
sys.modules["torch._meta_registrations"] = DummyMultiPyModule()
sys.modules["torch._decomp"] = DummyMultiPyModule()

class RegisterModuleImporter(importlib.abc.InspectLoader):
def __init__(self, find_module_source):
Expand Down Expand Up @@ -160,6 +168,8 @@ class RegisterModuleImporter(importlib.abc.InspectLoader):
# print("modules:", sys.modules)

import torch # has to be done serially otherwise things will segfault
torch._decomp = DummyMultiPyModule()

import multipy.utils
try:
import torch.version # for some reason torch doesn't import this and cuda fails?
Expand Down