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28dfe0d280
This shaves off an extra 0.1-0.2s from JAX import times internally. PiperOrigin-RevId: 662660356
47 lines
1.4 KiB
Python
47 lines
1.4 KiB
Python
# Copyright 2022 The JAX Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# https://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import logging
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import pathlib
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import importlib.util
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__all__ = ["Path"]
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logger = logging.getLogger(__name__)
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# If etils.epath (aka etils[epath] to pip) is present, we prefer it because it
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# can read and write to, e.g., GCS buckets. Otherwise we use the builtin
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# pathlib and can only read/write to the local filesystem.
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epath_installed = bool(
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importlib.util.find_spec("etils") and
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importlib.util.find_spec("etils.epath")
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)
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if epath_installed:
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logger.debug("etils.epath found. Using etils.epath for file I/O.")
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def __dir__():
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return ["Path"]
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def __getattr__(name):
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if name != "Path":
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raise AttributeError(f"module '{__name__}' has no attribute '{name}")
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global Path
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from etils import epath
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Path = epath.Path
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return Path
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else:
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logger.debug("etils.epath was not found. Using pathlib for file I/O.")
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Path = pathlib.Path
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