[C++-sig] Cannot import the Hello World module of Boost.Python's QuickStart in python

[Heng Zhou]

I solved the problem myself. This is a link to my answer:
https://urldefense.proofpoint.com/v2/url?u=https-3A__stackoverflow.com_questions_44161857_the-2Ddll-2Dcreated-2Dby-2Dboost-2Dpython-2Dcannot-2Dbe-2Dimported-2Dfollowing-2Dboost-2Dpythons-2Dqui_44194094-2344194094&d=DwIBaQ&c=Ngd-ta5yRYsqeUsEDgxhcqsYYY1Xs5ogLxWPA_2Wlc4&r=jSyKml46sQcyHEvdXhVDNwoCqN0MBfWgTmJFqTljZKM&m=Z6BHCcdSSCk4Tyk1aODuxJJLvF5j7M6QqGMajnzntSs&s=1iKwggA27bECIO0iVuLFA4Zz40g5EQ38MrwLBqKfBjY&e= 

On Thu, May 25, 2017 at 12:54 AM, Heng Zhou <hzhou3 at clemson.edu> wrote:

> I followed the steps in the QuickStart of Boost.Python here:
> https://urldefense.proofpoint.com/v2/url?u=http-3A__www.boost.org_doc_libs_1-5F49-5F0_libs_python_doc_&d=DwIBaQ&c=Ngd-ta5yRYsqeUsEDgxhcqsYYY1Xs5ogLxWPA_2Wlc4&r=jSyKml46sQcyHEvdXhVDNwoCqN0MBfWgTmJFqTljZKM&m=Z6BHCcdSSCk4Tyk1aODuxJJLvF5j7M6QqGMajnzntSs&s=B7c9mrc4EPId10XO2UsWu_OZHNf3tA6rtPRvqJ2f_dE&e= 
> tutorial/doc/html/index.html. I can successfully compile, link and get
> the output dll file, but I always got and error:
>
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
> ImportError: No module named hello_ext
>
> when trying to import it in python. This is my environment:
>
> - Windows 7 Enterprise SP1 64 bit, I am the Administrator and run cmd as
> Administrator.
> - Python 2.7.13 64 bit
> - Visual Studio 2015 (v14.0) Update 3
> - In VS2015, the project name is ConsoleApplication1, so the output is
> ConsoleApplication1.dll.
> - I built the simple sample code under x64 configuration in VS2015 and I
> verified with dumpbin that the output ConsoleApplication1.dll is really 64
> bit.
>
> I tried the following but got the same error:
> - I added the search path to the ConsoleApplication1.dll into sys.path
> - I changed the name of ConsoleApplication1.dll to hello_ext.dll
>
> The QuickStart says "The resulting DLL is now visible to Python." but that
> magic does not take place on my machine. Could you please tell me what I
> had missed or, if I built the DLL properly, how to import it in python
> command line? Thanks a lot.
>
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