src/python-bindings-template.cpp

   1 /***************************************
   2 ** Tsunagari Tile Engine              **
   3 ** python-bindings-template.h         **
   4 ** Copyright 2011-2013 PariahSoft LLC **
   5 ***************************************/
   6
   7 // **********
   8 // Permission is hereby granted, free of charge, to any person obtaining a copy
   9 // of this software and associated documentation files (the "Software"), to
  10 // deal in the Software without restriction, including without limitation the
  11 // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
  12 // sell copies of the Software, and to permit persons to whom the Software is
  13 // furnished to do so, subject to the following conditions:
  14 //
  15 // The above copyright notice and this permission notice shall be included in
  16 // all copies or substantial portions of the Software.
  17 //
  18 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  21 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  22 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  23 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  24 // IN THE SOFTWARE.
  25 // **********
  26
  27 #include <iostream> // Including this fixes a compilation-order error on
  28                                         // XCode 4.6
  29
  30 // In this file.
  31 #include <boost/python/def.hpp>
  32 #include <boost/python/errors.hpp>
  33 #include <boost/python/import.hpp>
  34 #include <boost/python/object.hpp>
  35 #include <boost/python/ptr.hpp>
  36 #include <boost/python/scope.hpp>
  37
  38 // For bindings.
  39 #include <boost/python/class.hpp>
  40 #include <boost/python/operators.hpp>
  41 #include <boost/python/other.hpp>
  42 #include <boost/python/self.hpp>
  43
  44 #include "python.h"
  45
  46 //! Bind a C++ object into the global Python namespace.
  47 template<class T>
  48 void pythonSetGlobal(const std::string& name, T pointer)
  49 {
  50         using namespace boost::python;
  51
  52         object obj(ptr(pointer));
  53         PyObject* globals = NULL;
  54
  55         if ((globals = pythonGlobals()) == NULL)
  56                 goto err;
  57         PyDict_SetItemString(globals, name.c_str(), obj.ptr());
  58
  59         return;
  60
  61 err:
  62         pythonErr();
  63 }
  64
  65 template<class Fn>
  66 void pythonAddFunction(const std::string& name, Fn fn)
  67 {
  68         using namespace boost::python;
  69
  70         try {
  71                 scope bltins(import("__builtin__"));
  72                 def(name.c_str(), fn);
  73         } catch (error_already_set) {
  74                 pythonErr();
  75         }
  76 }