77 lines
3.1 KiB
Python
77 lines
3.1 KiB
Python
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# Copyright 2017 The TensorFlow Authors. All Rights Reserved.
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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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# http://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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# =============================================================================
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"""A wrapper for TensorFlow SWIG-generated bindings."""
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import print_function
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import ctypes
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import sys
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import traceback
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from tensorflow.python.platform import self_check
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# Perform pre-load sanity checks in order to produce a more actionable error
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# than we get from an error during SWIG import.
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self_check.preload_check()
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# pylint: disable=wildcard-import,g-import-not-at-top,unused-import,line-too-long
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try:
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# This import is expected to fail if there is an explicit shared object
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# dependency (with_framework_lib=true), since we do not need RTLD_GLOBAL.
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from tensorflow.python import pywrap_dlopen_global_flags
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_use_dlopen_global_flags = True
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except ImportError:
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_use_dlopen_global_flags = False
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# On UNIX-based platforms, pywrap_tensorflow is a SWIG-generated
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# python library that dynamically loads _pywrap_tensorflow.so.
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_can_set_rtld_local = (hasattr(sys, 'getdlopenflags')
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and hasattr(sys, 'setdlopenflags'))
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if _can_set_rtld_local:
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_default_dlopen_flags = sys.getdlopenflags()
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try:
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if _use_dlopen_global_flags:
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pywrap_dlopen_global_flags.set_dlopen_flags()
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elif _can_set_rtld_local:
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# Ensure RTLD_LOCAL behavior for platforms where it isn't the default
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# (macOS). On Linux RTLD_LOCAL is 0, so this does nothing (and would not
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# override an RTLD_GLOBAL in _default_dlopen_flags).
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sys.setdlopenflags(_default_dlopen_flags | ctypes.RTLD_LOCAL)
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from tensorflow.python.pywrap_tensorflow_internal import *
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from tensorflow.python.pywrap_tensorflow_internal import __version__
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from tensorflow.python.pywrap_tensorflow_internal import __git_version__
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from tensorflow.python.pywrap_tensorflow_internal import __compiler_version__
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from tensorflow.python.pywrap_tensorflow_internal import __cxx11_abi_flag__
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from tensorflow.python.pywrap_tensorflow_internal import __monolithic_build__
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if _use_dlopen_global_flags:
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pywrap_dlopen_global_flags.reset_dlopen_flags()
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elif _can_set_rtld_local:
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sys.setdlopenflags(_default_dlopen_flags)
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except ImportError:
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msg = """%s\n\nFailed to load the native TensorFlow runtime.\n
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See https://www.tensorflow.org/install/install_sources#common_installation_problems\n
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for some common reasons and solutions. Include the entire stack trace
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above this error message when asking for help.""" % traceback.format_exc()
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raise ImportError(msg)
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# pylint: enable=wildcard-import,g-import-not-at-top,unused-import,line-too-long
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