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2dccd70ef0
Clean up code that is unused and obsolete. The public `torch.onnx.dynamo_export` is kept for now but the legacy implementation is removed. Remove public option classes and OnnxRegistry that have been deprecated. Users: use torch.onnx.export(…, dynamo=True). Pull Request resolved: https://github.com/pytorch/pytorch/pull/149745 Approved by: https://github.com/titaiwangms, https://github.com/cyyever
51 lines
1.2 KiB
Python
51 lines
1.2 KiB
Python
"""Internal feature flags for torch.onnx.
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NOTE: These flags are experimental only. Any flag here can be removed at any
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time without notice.
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"""
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import logging
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import os
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logger = logging.getLogger(__name__)
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def _load_boolean_flag(
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name: str,
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*,
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this_will: str,
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deprecated: bool = False,
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default: bool = False,
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) -> bool:
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"""Load a boolean flag from environment variable.
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Args:
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name: The name of the environment variable.
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this_will: A string that describes what this flag will do.
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deprecated: Whether this flag is deprecated.
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default: The default value if envvar not defined.
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"""
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undefined = os.getenv(name) is None
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state = os.getenv(name) == "1"
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if state:
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if deprecated:
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logger.error(
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"Experimental flag %s is deprecated. Please remove it from your environment.",
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name,
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)
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else:
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logger.warning(
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"Experimental flag %s is enabled. This will %s.", name, this_will
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)
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if undefined:
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state = default
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return state
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PLACEHOLDER: bool = _load_boolean_flag(
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"TORCH_ONNX_PLACEHOLDER",
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this_will="do nothing",
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default=True,
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)
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