Solaar/lib/solaar/cli/__init__.py

155 lines
4.4 KiB
Python

# -*- python-mode -*-
# -*- coding: UTF-8 -*-
## Copyright (C) 2012-2013 Daniel Pavel
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 2 of the License, or
## (at your option) any later version.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License along
## with this program; if not, write to the Free Software Foundation, Inc.,
## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
from __future__ import absolute_import, division, print_function, unicode_literals
import argparse as _argparse
import sys as _sys
from logging import getLogger, DEBUG as _DEBUG
_log = getLogger(__name__)
del getLogger
from solaar import NAME
#
#
#
def _create_parser():
parser = _argparse.ArgumentParser(prog=NAME.lower(), add_help=False,
epilog='For details on individual actions, run `%s <action> --help`.' % NAME.lower())
subparsers = parser.add_subparsers(title='actions',
help='optional action to perform')
sp = subparsers.add_parser('show', help='show information about devices')
sp.add_argument('device', nargs='?', default='all',
help='device to show information about; may be a device number (1..6), a serial, '
'a substring of a device\'s name, or "all" (the default)')
sp.set_defaults(action='show')
sp = subparsers.add_parser('config', help='read/write device-specific settings',
epilog='Please note that configuration only works on active devices.')
sp.add_argument('device',
help='device to configure; may be a device number (1..6), a device serial, '
'or at least 3 characters of a device\'s name')
sp.add_argument('setting', nargs='?',
help='device-specific setting; leave empty to list available settings')
sp.add_argument('value', nargs='?',
help='new value for the setting')
sp.set_defaults(action='config')
sp = subparsers.add_parser('pair', help='pair a new device',
epilog='The Logitech Unifying Receiver supports up to 6 paired devices at the same time.')
sp.add_argument('receiver', nargs='?',
help='select a certain receiver when more than one is present')
sp.set_defaults(action='pair')
sp = subparsers.add_parser('unpair', help='unpair a device')
sp.add_argument('device',
help='device to unpair; may be a device number (1..6), a serial, '
'or a substring of a device\'s name.')
sp.set_defaults(action='unpair')
return parser, subparsers.choices
_cli_parser, actions = _create_parser()
def _receivers():
from logitech_receiver import Receiver
from logitech_receiver.base import receivers
for dev_info in receivers():
try:
r = Receiver.open(dev_info)
if _log.isEnabledFor(_DEBUG):
_log.debug("[%s] => %s", dev_info.path, r)
if r:
yield r
except Exception as e:
_log.exception('opening ' + str(dev_info))
_sys.exit("%s: error: %s" % (NAME, str(e)))
def _find_receiver(receivers, name):
assert receivers
assert name
for r in receivers:
if name in r.name.lower() or name == r.serial.lower():
return r
def _find_device(receivers, name):
assert receivers
assert name
number = None
if len(name) == 1:
try:
number = int(name)
except:
pass
else:
assert not (number < 0)
if number > 6: number = None
for r in receivers:
if number and number <= r.max_devices:
dev = r[number]
if dev:
return dev
for dev in r:
if (name == dev.serial.lower() or
name == dev.codename.lower() or
name == str(dev.kind).lower() or
name in dev.name.lower()):
return dev
raise Exception("no device found matching '%s'" % name)
def run(cli_args=None):
if cli_args == 'help':
_cli_parser.print_help()
return
if cli_args:
action = cli_args[0]
args = _cli_parser.parse_args(cli_args)
else:
args = _cli_parser.parse_args()
action = args.action
assert action in actions
try:
c = list(_receivers())
if not c:
raise Exception('Logitech receiver not found')
from importlib import import_module
m = import_module('.' + action, package=__name__)
m.run(c, args, _find_receiver, _find_device)
except Exception as e:
_sys.exit('%s: error: %s' % (NAME.lower(), e))