File: qpycore_qt_conf.cpp

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// This is the implementatation of an embedded qt.conf file.
//
// Copyright (c) 2018 Riverbank Computing Limited <info@riverbankcomputing.com>
// 
// This file is part of PyQt5.
// 
// This file may be used under the terms of the GNU General Public License
// version 3.0 as published by the Free Software Foundation and appearing in
// the file LICENSE included in the packaging of this file.  Please review the
// following information to ensure the GNU General Public License version 3.0
// requirements will be met: http://www.gnu.org/copyleft/gpl.html.
// 
// If you do not wish to use this file under the terms of the GPL version 3.0
// then you may purchase a commercial license.  For more information contact
// info@riverbankcomputing.com.
// 
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.


#if defined(PYQT_QTCONF_PREFIX)

#include <Python.h>

#include <QByteArray>
#include <QDir>
#include <QFileInfo>

#include "qpycore_api.h"


static const unsigned char qt_resource_name[] = {
  // qt
  0x0,0x2,
  0x0,0x0,0x7,0x84,
  0x0,0x71,
  0x0,0x74,
    // etc
  0x0,0x3,
  0x0,0x0,0x6c,0xa3,
  0x0,0x65,
  0x0,0x74,0x0,0x63,
    // qt.conf
  0x0,0x7,
  0x8,0x74,0xa6,0xa6,
  0x0,0x71,
  0x0,0x74,0x0,0x2e,0x0,0x63,0x0,0x6f,0x0,0x6e,0x0,0x66,

};

static const unsigned char qt_resource_struct[] = {
  // :
  0x0,0x0,0x0,0x0,0x0,0x2,0x0,0x0,0x0,0x1,0x0,0x0,0x0,0x1,
  // :/qt
  0x0,0x0,0x0,0x0,0x0,0x2,0x0,0x0,0x0,0x1,0x0,0x0,0x0,0x2,
  // :/qt/etc
  0x0,0x0,0x0,0xa,0x0,0x2,0x0,0x0,0x0,0x1,0x0,0x0,0x0,0x3,
  // :/qt/etc/qt.conf
  0x0,0x0,0x0,0x16,0x0,0x0,0x0,0x0,0x0,0x1,0x0,0x0,0x0,0x0,

};


bool qRegisterResourceData(int, const unsigned char *, const unsigned char *,
        const unsigned char *);


// Embed a qt.conf file.
bool qpycore_qt_conf()
{
    // Get PyQt5.__file__.
    PyObject *pyqt5 = PyImport_ImportModule("PyQt5");

    if (!pyqt5)
        return false;

    PyObject *init = PyObject_GetAttrString(pyqt5, "__file__");
    Py_DECREF(pyqt5);

    if (!init)
        return false;

    QString init_impl(qpycore_PyObject_AsQString(init));
    Py_DECREF(init);

    if (init_impl.isEmpty())
        return false;

    // Get the directory containing the PyQt5 extension modules.
    QDir pyqt5_dir = QFileInfo(QDir::fromNativeSeparators(init_impl)).absoluteDir();

    // Get the prefix path with non-native separators.
    static QByteArray qt_conf = pyqt5_dir.absoluteFilePath(PYQT_QTCONF_PREFIX).toLocal8Bit();

    qt_conf.prepend("[Paths]\nPrefix = ");
    qt_conf.append("\n");


    // Prepend the 4-byte size.
    int size = qt_conf.size();

    for (int i = 0; i < 4; ++i)
    {
        qt_conf.prepend(size & 0xff);
        size >>= 8;
    }

    // Register the structures.
    qRegisterResourceData(0x01, qt_resource_struct, qt_resource_name,
            (const unsigned char *)qt_conf.constData());

    return true;
}

#endif