Program Listing for File PyLogging.cpp

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//This file is part of necsim project which is released under MIT license.
//See file **LICENSE.txt** or visit https://opensource.org/licenses/MIT) for full license details.
#ifndef PYTHON_COMPILE
#define PYTHON_COMPILE

#include <Python.h>
#include <string>
#include <sstream>
#include "necsim/Logger.h"

#include "PyLogger.h"
#include "PyLogging.h"
namespace necsim
{
    PyLogger* pyLogger = nullptr;

    PyLogger* getGlobalLogger(PyObject* logger, PyObject* log_function)
    {
        if(pyLogger != nullptr)
        {
            removeGlobalLogger();
        }
        pyLogger = new PyLogger();
        if(logger == nullptr || log_function == nullptr)
        {
            string errmsg = "logger or log_function is nullptr when attempting to getGlobalLogger(). "
                            "Please report this bug.";
            PyErr_SetString(PyExc_SystemError, errmsg.c_str());
            return nullptr;
        }
        pyLogger->setLogger(logger);
        pyLogger->setLogFunction(log_function);
        return pyLogger;
    }

    void removeGlobalLogger()
    {
        if(pyLogger != nullptr)
        {
            delete pyLogger;
        }
        pyLogger = nullptr;
    }
}
#endif