%0 Journal Article %T Writing application plug-ins in Python %J The Python Papers Monograph %D 2010 %I %X Many products define an API for plug-ins which can be provided as Shared Libraries (DLL files on Windows). These applications often document a C/C++ API and provide header files with support functions and interfaces that must be implemented. I will show how to use Python and supporting modules (ctypes, Cython/Pyrex) to create a ¨˛Python ¨´ plug-in for such an application using a worked example %U http://ojs.pythonpapers.org/index.php/tppm/article/view/162