71 lines
1.7 KiB
Python
71 lines
1.7 KiB
Python
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import types
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from contextlib import contextmanager
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# The idea for this parameter is that we forbid bare assignment
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# to torch.backends.<cudnn|mkldnn>.enabled and friends when running our
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# test suite, where it's very easy to forget to undo the change
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# later.
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__allow_nonbracketed_mutation_flag = True
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def disable_global_flags():
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global __allow_nonbracketed_mutation_flag
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__allow_nonbracketed_mutation_flag = False
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def flags_frozen():
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return not __allow_nonbracketed_mutation_flag
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@contextmanager
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def __allow_nonbracketed_mutation():
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global __allow_nonbracketed_mutation_flag
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old = __allow_nonbracketed_mutation_flag
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__allow_nonbracketed_mutation_flag = True
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try:
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yield
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finally:
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__allow_nonbracketed_mutation_flag = old
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class ContextProp:
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def __init__(self, getter, setter):
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self.getter = getter
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self.setter = setter
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def __get__(self, obj, objtype):
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return self.getter()
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def __set__(self, obj, val):
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if not flags_frozen():
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self.setter(val)
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else:
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raise RuntimeError(
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"not allowed to set %s flags "
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"after disable_global_flags; please use flags() context manager instead"
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% obj.__name__
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)
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class PropModule(types.ModuleType):
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def __init__(self, m, name):
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super().__init__(name)
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self.m = m
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def __getattr__(self, attr):
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return self.m.__getattribute__(attr)
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from torch.backends import (
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cpu as cpu,
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cuda as cuda,
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cudnn as cudnn,
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mha as mha,
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mkl as mkl,
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mkldnn as mkldnn,
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mps as mps,
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nnpack as nnpack,
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openmp as openmp,
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quantized as quantized,
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)
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