bindings/python/examples/gpioinfo.py

#!/usr/bin/env python3
# SPDX-License-Identifier: LGPL-2.1-or-later

#
# This file is part of libgpiod.
#
# Copyright (C) 2017-2018 Bartosz Golaszewski <bartekgola@gmail.com>
#

'''Simplified reimplementation of the gpioinfo tool in Python.'''

import gpiod

for chip in gpiod.ChipIter():
    print('{} - {} lines:'.format(chip.name(), chip.num_lines()))

    for line in gpiod.LineIter(chip):
        offset = line.offset()
        name = line.name()
        consumer = line.consumer()
        direction = line.direction()
        active_state = line.active_state()

        print('\tline {:>3}: {:>18} {:>12} {:>8} {:>10}'.format(
                offset,
                'unnamed' if name is None else name,
                'unused' if consumer is None else consumer,
                'input' if direction == gpiod.Line.DIRECTION_INPUT else 'output',
                'active-low' if active_state == gpiod.Line.ACTIVE_LOW else 'active-high'))

    chip.close()