55 lines
2.5 KiB
Python
55 lines
2.5 KiB
Python
# 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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"""pywrap_tensorflow wrapper that exports all symbols with RTLD_GLOBAL."""
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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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# pylint: disable=wildcard-import,g-import-not-at-top,unused-import,line-too-long
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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. The
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# default mode for loading keeps all the symbol private and not
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# visible to other libraries that may be loaded. Setting the mode to
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# RTLD_GLOBAL to make the symbols visible, so that custom op libraries
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# imported using `tf.load_op_library()` can access symbols defined in
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# _pywrap_tensorflow.so.
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try:
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# TODO(keveman,mrry): Support dynamic op loading on platforms that do not
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# use `dlopen()` for dynamic loading.
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_use_rtld_global = hasattr(sys, 'getdlopenflags') and hasattr(sys, 'setdlopenflags')
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if _use_rtld_global:
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_default_dlopen_flags = sys.getdlopenflags()
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sys.setdlopenflags(_default_dlopen_flags | ctypes.RTLD_GLOBAL)
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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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if _use_rtld_global:
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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://github.com/tensorflow/tensorflow/blob/master/tensorflow/g3doc/get_started/os_setup.md#import_error\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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