Source.Python/src/core/utilities/call_python.h at master · Necavi/Source.Python · GitHub

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/**

* =============================================================================

* Source Python

* =============================================================================

* This program is free software; you can redistribute it and/or modify it under

* the terms of the GNU General Public License, version 3.0, as published by the

* Free Software Foundation.

* This program is distributed in the hope that it will be useful, but WITHOUT

* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS

* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more

* details.

* You should have received a copy of the GNU General Public License along with

* this program. If not, see <http://www.gnu.org/licenses/>.

* As a special exception, the Source Python Team gives you permission

* to link the code of this program (as well as its derivative works) to

* "Half-Life 2," the "Source Engine," and any Game MODs that run on software

* by the Valve Corporation. You must obey the GNU General Public License in

* all respects for all other code used. Additionally, the Source.Python

* Development Team grants this exception to all derivative works.

#ifndef _CALL_PYTHON_H

#define _CALL_PYTHON_H

// ----------------------------------------------------------------------------

// Includes.

// ----------------------------------------------------------------------------

#include "boost/python/call.hpp"

#include "utilities/wrap_macros.h"

// ----------------------------------------------------------------------------

// Namespaces

// ----------------------------------------------------------------------------

using namespace boost::python;

// ----------------------------------------------------------------------------

// This macro allows us to call a Python function OR Python method. It decides

// what we need to use.

// boost::python::object retval = CALL_PY_FUNC(PyObject*, ...);

// ----------------------------------------------------------------------------

template<class T>

T xdecref_and_return(T value)

{

xdecref(value);

return value;

}

#define CALL_PY_FUNC(pCallable, ...) \

PyObject_HasAttrString(pCallable, "__self__") ? \

boost::python::call_method<object>( \

xdecref_and_return(PyObject_GetAttrString(pCallable, "__self__")), \

extract<const char*>(xdecref_and_return(PyObject_GetAttrString(pCallable, "__name__"))), \

##__VA_ARGS__ \

) : call<object>(pCallable, ##__VA_ARGS__)

// ----------------------------------------------------------------------------

// Python Logging functions

// ----------------------------------------------------------------------------

(-1) message (should always be printed)

(0) critical

(1) exception

(2) warning

(3) info

(4) debug

inline void PythonLog( const char* szLevel, const char* szFormat, ... )

{

// Format the message

char szMessage[2048];

va_list args;

va_start(args, szFormat);

vsprintf(szMessage, szFormat, args);

va_end(args);

// Get the std::string instance of szMessage

std::string szMethod = szLevel;

// Get the method's name

std::string szMethodName = "log_" + szMethod;

BEGIN_BOOST_PY()

// Import the loggers module

object oLogModule = import("loggers");

// Get the main SP Logger instance

object oLogger = oLogModule.attr("_sp_logger");

// Get the PyObject instance of the logger

PyObject* poLogger = oLogger.ptr();

// Call the given method

call_method<void>( poLogger, szMethodName.c_str(), szMessage );

END_BOOST_PY()

}

inline void PythonLog( int iLevel, const char* szFormat, ... )

{

// Format the message

char szMessage[2048];

va_list args;

va_start(args, szFormat);

vsprintf(szMessage, szFormat, args);

va_end(args);

BEGIN_BOOST_PY()

// Import the loggers module

object oLogModule = import("loggers");

// Get the main SP Logger instance

object oLogger = oLogModule.attr("_sp_logger");

// Get the PyObject instance logger

PyObject* poLogger = oLogger.ptr();

// Call the log method with the given level

call_method<void>( poLogger, "log", iLevel, szMessage );

END_BOOST_PY()

}

#endif // _CALL_PYTHON_H

Source.Python/src/core/utilities/call_python.h at master · Necavi/Source.Python · GitHub

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