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27c7158166
Summary: There is a module called `2to3` which you can target for future specifically to remove these, the directory of `caffe2` has the most redundant imports: ```2to3 -f future -w caffe2``` Pull Request resolved: https://github.com/pytorch/pytorch/pull/45033 Reviewed By: seemethere Differential Revision: D23808648 Pulled By: bugra fbshipit-source-id: 38971900f0fe43ab44a9168e57f2307580d36a38
30 lines
744 B
Python
30 lines
744 B
Python
## @package extension_loader
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# Module caffe2.python.extension_loader
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import contextlib
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import ctypes
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import sys
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_set_global_flags = (
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hasattr(sys, 'getdlopenflags') and hasattr(sys, 'setdlopenflags'))
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@contextlib.contextmanager
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def DlopenGuard(extra_flags=ctypes.RTLD_GLOBAL):
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if _set_global_flags:
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old_flags = sys.getdlopenflags()
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sys.setdlopenflags(old_flags | extra_flags)
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# in case we dlopen something that doesn't exist, yield will fail and throw;
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# we need to remember reset the old flags to clean up, otherwise RTLD_GLOBAL
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# flag will stick around and create symbol conflict problems
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try:
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yield
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finally:
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if _set_global_flags:
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sys.setdlopenflags(old_flags)
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