[1337] | 1 | |
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| 2 | // (C) Copyright Joel de Guzman 2003. |
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| 3 | // Distributed under the Boost Software License, Version 1.0. (See |
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| 4 | // accompanying file LICENSE_1_0.txt or copy at |
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| 5 | // http://www.boost.org/LICENSE_1_0.txt) |
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| 6 | |
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| 7 | #ifndef PY_CONTAINER_UTILS_JDG20038_HPP |
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| 8 | # define PY_CONTAINER_UTILS_JDG20038_HPP |
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| 9 | |
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| 10 | # include <boost/python/object.hpp> |
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| 11 | # include <boost/python/handle.hpp> |
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| 12 | # include <boost/python/extract.hpp> |
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| 13 | |
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| 14 | namespace boost { namespace python { namespace container_utils { |
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| 15 | |
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| 16 | template <typename Container> |
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| 17 | void |
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| 18 | extend_container(Container& container, object l) |
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| 19 | { |
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| 20 | typedef typename Container::value_type data_type; |
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| 21 | |
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| 22 | // l must be a list or some container |
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| 23 | |
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| 24 | for (int i = 0; i < l.attr("__len__")(); i++) |
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| 25 | { |
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| 26 | object elem(l[i]); |
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| 27 | extract<data_type const&> x(elem); |
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| 28 | // try if elem is an exact data_type type |
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| 29 | if (x.check()) |
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| 30 | { |
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| 31 | container.push_back(x()); |
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| 32 | } |
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| 33 | else |
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| 34 | { |
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| 35 | // try to convert elem to data_type type |
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| 36 | extract<data_type> x(elem); |
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| 37 | if (x.check()) |
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| 38 | { |
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| 39 | container.push_back(x()); |
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| 40 | } |
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| 41 | else |
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| 42 | { |
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| 43 | PyErr_SetString(PyExc_TypeError, "Incompatible Data Type"); |
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| 44 | throw_error_already_set(); |
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| 45 | } |
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| 46 | } |
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| 47 | } |
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| 48 | } |
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| 49 | |
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| 50 | }}} // namespace boost::python::container_utils |
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| 51 | |
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| 52 | #endif |
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