#!/usr/bin/env python3
# SPDX-License-Identifier: LGPL-2.1-or-later
#
# This file is part of libgpiod.
#
# Copyright (C) 2017-2018 Bartosz Golaszewski <*****@*****.**>
#
'''Reimplementation of the gpiofind tool in Python.'''
import gpiod
import os
import sys
if __name__ == '__main__':
for entry in os.scandir('/dev/'):
if gpiod.is_gpiochip_device(entry.path):
with gpiod.Chip(entry.path) as chip:
lines = chip.find_line(sys.argv[1], unique=True)
if lines is not None:
line = lines.to_list()[0]
print('{} {}'.format(line.owner().name(), line.offset()))
sys.exit(0)
sys.exit(1)
def test_is_gpiochip_device_bad(self):
self.assertFalse(gpiod.is_gpiochip_device('/dev/null'))
def test_is_gpiochip_device_nonexistent(self):
self.assertFalse(gpiod.is_gpiochip_device('/dev/nonexistent_device'))
def test_is_gpiochip_device_good(self):
self.assertTrue(gpiod.is_gpiochip_device(mockup.chip_path(0)))