Hello,I'm so sorry that I can't solve your problem.Actually,I'm new to
python,and I am poor at c++.So,very sorry.
AlstonWilliams
> From: jonleder...@gmail.com
> Date: Wed, 25 May 2016 13:41:57 -0400
> To: cplusplus-sig@python.org
> Subject: [C++-sig] Linking Boost-Python to Python Library in OS X and
> Anaconda Python 3.5
>
> Hi,
>
> I am having some issues using boost-python on OS X using Anaconda Python 3.5.
> I am able to build a simple c++ function using boost-python and call it from
> Python. However, when I create a simple class and call the constructor, I am
> met with:
>
> In [2]: hello_ext.World()
> ---------------------------------------------------------------------------
> TypeError Traceback (most recent call last)
> <ipython-input-2-514fe5345d15> in <module>()
> ----> 1 hello_ext.World()
>
> TypeError: __init__() should return None, not ‘NoneType'
>
> From what I understand, this means that I have linked boost-python. against
> an incompatible version of Python. I thought I had build boost-python
> correctly (I have built directly using bjam and have tried binaries from
> Anaconda). However, when I try to see what Python libraries are linked
> against boost-python, I don’t see any reference to any Python libraries:
>
> boost_python_test Jon$ otool -L
> /Users/Jon/anaconda/envs/my-env/lib/libboost_python3.dylib
> /Users/Jon/anaconda/envs/my-env/lib/libboost_python3.dylib:
> @rpath/./libboost_python3.dylib (compatibility version 0.0.0, current
> version 0.0.0)
> /usr/lib/libstdc++.6.dylib (compatibility version 7.0.0, current
> version 52.0.0)
> /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current
> version 159.1.0)
>
> Shouldn’t a call to otool show me which Python library was linked to
> boost-python? And, if none is reported what does that mean?
>
> Any help with the above issues would be greatly appreciated.
>
> Thanks.
>
> -Jon
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