PythonScripting.h

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/***************************************************************************
    File                 : PythonScripting.h
    Project              : SciDAVis
--------------------------------------------------------------------
    Copyright            : (C) 2006 by Knut Franke
    Email (use @ for *)  : knut.franke*gmx.de
    Description          : Execute Python code from within SciDAVis

 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *  This program is free software; you can redistribute it and/or modify   *
 *  it under the terms of the GNU General Public License as published by   *
 *  the Free Software Foundation; either version 2 of the License, or      *
 *  (at your option) any later version.                                    *
 *                                                                         *
 *  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, write to the Free Software           *
 *   Foundation, Inc., 51 Franklin Street, Fifth Floor,                    *
 *   Boston, MA  02110-1301  USA                                           *
 *                                                                         *
 ***************************************************************************/
#ifndef PYTHON_SCRIPTING_H
#define PYTHON_SCRIPTING_H

#include "ScriptingEnv.h"
#include "PythonScript.h"

class QObject;
class QString;

typedef struct _object PyObject;

class PythonScripting: public ScriptingEnv
{
    Q_OBJECT

    public:
        static const char *langName;
        PythonScripting(ApplicationWindow *parent);
        ~PythonScripting();
        static ScriptingEnv *constructor(ApplicationWindow *parent) { return new PythonScripting(parent); }
        bool initialize();

        void write(const QString &text) { emit print(text); }


        QString toString(PyObject *object, bool decref=false);

        PyObject* eval(const QString &code, PyObject *argDict=NULL, const char *name="<scidavis>");

        bool exec(const QString &code, PyObject *argDict=NULL, const char *name="<scidavis>");
        QString errorMsg();

        bool isRunning() const;
        Script *newScript(const QString &code, QObject *context, const QString &name="<input>")
        {
            return new PythonScript(this, code, context, name);
        }

        bool setQObject(QObject*, const char*, PyObject *dict);
        bool setQObject(QObject *val, const char *name) { return setQObject(val,name,NULL); }
        bool setInt(int, const char*, PyObject *dict=NULL);
        bool setDouble(double, const char*, PyObject *dict=NULL);

        const QStringList mathFunctions() const;
        const QString mathFunctionDoc (const QString &name) const;
        const QStringList fileExtensions() const;

        PyObject *globalDict() { return globals; }
        PyObject *sysDict() { return sys; }

    private:
        bool loadInitFile(const QString &path);

        PyObject *globals;      // PyDict of global environment
        PyObject *math;     // PyDict of math functions
        PyObject *sys;      // PyDict of sys module
};

#endif