Files
python-gpiozero/gpiozero/cli/pinout.py
2017-06-13 16:17:24 +01:00

68 lines
2.1 KiB
Python
Executable File

#!/usr/bin/env python
"""
pinout - gpiozero command-line pinout tool.
Output Raspberry Pi GPIO pinout information.
"""
from __future__ import unicode_literals, absolute_import, print_function, division
import argparse
import sys
from gpiozero import pi_info
class PinoutTool(object):
def __init__(self):
self.parser = argparse.ArgumentParser(
description=__doc__
)
self.parser.add_argument(
'-r', '--revision',
dest='revision',
default='',
help='RPi revision. Default is to autodetect revision of current device'
)
self.parser.add_argument(
'-c', '--color',
action="store_true",
default=None,
help='Force colored output (by default, the output will include ANSI'
'color codes if run in a color-capable terminal). See also --monochrome'
)
self.parser.add_argument(
'-m', '--monochrome',
dest='color',
action='store_false',
help='Force monochrome output. See also --color'
)
def __call__(self, args=None):
if args is None:
args = sys.argv[1:]
try:
return self.main(self.parser.parse_args(args)) or 0
except argparse.ArgumentError as e:
# argparse errors are already nicely formatted, print to stderr and
# exit with code 2
raise e
except Exception as e:
# Output anything else nicely formatted on stderr and exit code 1
self.parser.exit(1, '{prog}: error: {message}\n'.format(
prog=self.parser.prog, message=e))
def main(self, args):
if args.revision == '':
try:
pi_info().pprint(color=args.color)
except IOError:
raise IOError('This device is not a Raspberry Pi')
else:
pi_info(args.revision).pprint(color=args.color)
print('')
print('For further information, please refer to https://pinout.xyz/')
main = PinoutTool()