pyqt example util (snippet)

Python pyqt (gui) example 'util'

Functions in program:

• def encode_pos(row, col):
• def decode_pos(pos):

util

Python pyqt example: util

#############################################################################
##
## Copyright (C) 2012 Hans-Peter Jansen <[email protected]>.
## Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
## All rights reserved.
## Contact: Nokia Corporation ([email protected])
##
## This file is part of the examples of PyQt.
##
## $QT_BEGIN_LICENSE:LGPL$
## GNU Lesser General Public License Usage
## This file may be used under the terms of the GNU Lesser General Public
## License version 2.1 as published by the Free Software Foundation and
## appearing in the file LICENSE.LGPL included in the packaging of this
## file. Please review the following information to ensure the GNU Lesser
## General Public License version 2.1 requirements will be met:
## http:#www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
##
## In addition, as a special exception, Nokia gives you certain additional
## rights. These rights are described in the Nokia Qt LGPL Exception
## version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
##
## GNU General Public License Usage
## Alternatively, 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.GPL 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.
##
## Other Usage
## Alternatively, this file may be used in accordance with the terms and
## conditions contained in a signed written agreement between you and Nokia.
## $QT_END_LICENSE$
##
#############################################################################


def decode_pos(pos):
    try:
        row = int(pos[1:]) - 1
        col = ord(pos[0]) - ord('A')
    except ValueError:
        row = -1
        col = -1

    return row, col


def encode_pos(row, col):
    return chr(col + ord('A')) + str(row + 1)

Useful links

• Learn PyQt: https://pythonbasics.org/pyqt-hello-world/
• Install PyQt: https://pythonbasics.org/install-pyqt/