__init__.py

# Copyright (c) 2018, Intel Corporation
#
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import sys

from . import _init_helper


class RTLD_for_MKL:
    def __init__(self):
        self.saved_rtld = None

    def __enter__(self):
        import ctypes

        try:
            self.saved_rtld = sys.getdlopenflags()
            # python loads libraries with RTLD_LOCAL, but MKL requires
            # RTLD_GLOBAL pre-load MKL with RTLD_GLOBAL before loading
            # the native extension
            sys.setdlopenflags(self.saved_rtld | ctypes.RTLD_GLOBAL)
        except AttributeError:
            pass
        del ctypes

    def __exit__(self, *args):
        if self.saved_rtld:
            sys.setdlopenflags(self.saved_rtld)
            self.saved_rtld = None


with RTLD_for_MKL():
    from . import _mklinit

del RTLD_for_MKL
del sys

from ._mkl_memory import MKLMemory
from ._py_mkl_service import *
from ._version import __version__

del _init_helper