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# Copyright 2017 The TensorFlow Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# =============================================================================
"""A wrapper for TensorFlow SWIG-generated bindings."""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
import ctypes
import sys
import traceback
from tensorflow.python.platform import self_check
# Perform pre-load sanity checks in order to produce a more actionable error
# than we get from an error during SWIG import.
self_check.preload_check()
# pylint: disable=wildcard-import,g-import-not-at-top,unused-import,line-too-long
try:
# This import is expected to fail if there is an explicit shared object
# dependency (with_framework_lib=true), since we do not need RTLD_GLOBAL.
from tensorflow.python import pywrap_dlopen_global_flags
_use_dlopen_global_flags = True
except ImportError:
_use_dlopen_global_flags = False
# On UNIX-based platforms, pywrap_tensorflow is a SWIG-generated
# python library that dynamically loads _pywrap_tensorflow.so.
_can_set_rtld_local = (hasattr(sys, 'getdlopenflags')
and hasattr(sys, 'setdlopenflags'))
if _can_set_rtld_local:
_default_dlopen_flags = sys.getdlopenflags()
try:
if _use_dlopen_global_flags:
pywrap_dlopen_global_flags.set_dlopen_flags()
elif _can_set_rtld_local:
# Ensure RTLD_LOCAL behavior for platforms where it isn't the default
# (macOS). On Linux RTLD_LOCAL is 0, so this does nothing (and would not
# override an RTLD_GLOBAL in _default_dlopen_flags).
sys.setdlopenflags(_default_dlopen_flags | ctypes.RTLD_LOCAL)
from tensorflow.python.pywrap_tensorflow_internal import *
from tensorflow.python.pywrap_tensorflow_internal import __version__
from tensorflow.python.pywrap_tensorflow_internal import __git_version__
from tensorflow.python.pywrap_tensorflow_internal import __compiler_version__
from tensorflow.python.pywrap_tensorflow_internal import __cxx11_abi_flag__
from tensorflow.python.pywrap_tensorflow_internal import __monolithic_build__
if _use_dlopen_global_flags:
pywrap_dlopen_global_flags.reset_dlopen_flags()
elif _can_set_rtld_local:
sys.setdlopenflags(_default_dlopen_flags)
except ImportError:
msg = """%s\n\nFailed to load the native TensorFlow runtime.\n
See https://www.tensorflow.org/install/errors\n
for some common reasons and solutions. Include the entire stack trace
above this error message when asking for help.""" % traceback.format_exc()
raise ImportError(msg)
# pylint: enable=wildcard-import,g-import-not-at-top,unused-import,line-too-long
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