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extra/boost_python_len.hpp

 

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#pragma once

 

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#include<boost/python/object.hpp>

 

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#include<boost/version.hpp>

 

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#if BOOST_VERSION<103400

 

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        // taken from boost-1.34/python/object.hpp

 

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        // Copyright David Abrahams 2002.

 

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        // Distributed under the Boost Software License, Version 1.0. (See

 

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        // accompanying file LICENSE_1_0.txt or copy at

 

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        // http://www.boost.org/LICENSE_1_0.txt)

 

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        namespace boost { namespace python {

 

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                 inline ssize_t len(object const& obj)

 

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                 {

 

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                          ssize_t result = PyObject_Length(obj.ptr());

 

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                          if (PyErr_Occurred()) throw_error_already_set();

 

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                          return result;

 

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                 }

 

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        }} // namespace boost::python

 

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#endif // BOOST_VERSION<103400

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