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#ifndef _PYTHON_H
#define _PYTHON_H
#include "error.h"
#include <boost/python.hpp>
using namespace boost::python;
namespace ledger {
struct python_support
{
handle<> main_module;
dict main_namespace;
python_support()
: main_module(borrowed(PyImport_AddModule("__main__"))),
main_namespace(handle<>(borrowed(PyModule_GetDict(main_module.get()))))
{}
~python_support() {
}
};
extern python_support * python_interpretor;
void init_python();
inline void python_eval(std::istream& in)
{
if (! python_interpretor)
init_python();
std::string buffer;
buffer.reserve(4096);
while (! in.eof()) {
char buf[256];
in.getline(buf, 255);
if (buf[0] == '!')
break;
buffer += buf;
buffer += "\n";
}
try {
handle<>(borrowed(PyRun_String(buffer.c_str(), Py_file_input,
python_interpretor->main_namespace.ptr(),
python_interpretor->main_namespace.ptr())));
}
catch(const boost::python::error_already_set&) {
PyErr_Print();
throw error("Evaluating Python code");
}
}
} // namespace ledger
#endif // _PYTHON_H
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