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# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under the license found in the
# LICENSE file in the root directory of this source tree.
import warnings
import torch
from ..version_utils import digit_version
def is_jit_tracing() -> bool:
if (torch.__version__ != 'parrots'
and digit_version(torch.__version__) >= digit_version('1.6.0')):
on_trace = torch.jit.is_tracing()
# In PyTorch 1.6, torch.jit.is_tracing has a bug.
# Refers to https://github.com/pytorch/pytorch/issues/42448
if isinstance(on_trace, bool):
return on_trace
else:
return torch._C._is_tracing()
else:
warnings.warn(
'torch.jit.is_tracing is only supported after v1.6.0. '
'Therefore is_tracing returns False automatically. Please '
'set on_trace manually if you are using trace.', UserWarning)
return False
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