1 # -*- coding: utf-8 -*-
3 # Copyright (c) 2009-2015, 2021 kaliko <kaliko@azylum.org>
5 # This file is part of sima
7 # sima is free software: you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation, either version 3 of the License, or
10 # (at your option) any later version.
12 # sima is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with sima. If not, see <http://www.gnu.org/licenses/>.
22 from argparse import ArgumentParser, RawDescriptionHelpFormatter, SUPPRESS
25 from .utils import Wfile, Rfile, Wdir
28 MPD_sima automagicaly queue new tracks in MPD playlist.
30 Command line options override their equivalent in configuration file.
31 If a positional arguments is provided MPD_sima execute the command and returns.
37 def clean_dict(to_clean):
38 """Remove items which values are set to None/False"""
39 for k in list(to_clean.keys()):
40 if not to_clean.get(k):
44 CMDS = {'config-test': 'Test configuration (MPD connection and Tags plugin only)',
45 'create-db': 'Create the database',
46 'generate-config': 'Generate a configuration file to stdout',
49 # pop out 'sw' value before creating Parser object.
51 # If an option has to override its dual in conf file, the destination
52 # identifier "dest" is to be named after that option in the conf file.
53 # The supersedes_config_with_cmd_line_options method in ConfMan() (config.py)
54 # is looking for command line option names identical to config file option
55 # name it is meant to override.
58 'sw': ['-l', '--log'],
63 'help': 'file to log message to, default is stdout/stderr'},
65 'sw': ['-v', '--log-level'],
68 'choices': ['debug', 'info', 'warning', 'error'],
69 'help': 'log messages verbosity, default is info'},
71 'sw': ['-p', '--pid'],
75 'help': 'file to save PID to, default is not to store pid'},
77 'sw': ['-d', '--daemon'],
79 'action': 'store_true',
80 'help': 'daemonize process'},
82 'sw': ['-S', '--host'],
84 'help': 'host MPD in running on (IP or FQDN)'},
86 'sw': ['-P', '--port'],
89 'help': 'port MPD in listening on'},
91 'sw': ['-c', '--config'],
95 'help': 'configuration file to load'},
96 { # TODO: To remove eventually in next major realese v0.18
97 'sw': ['--generate-config'],
98 'dest': 'generate_config',
99 'action': 'store_true',
102 'sw': ['--var-dir', '--var_dir'],
105 'help': 'directory to store var content (ie. database, cache)'},
106 { # TODO: To remove eventually in next major realese v0.18
107 'sw': ['--create-db'],
108 'action': 'store_true',
114 'choices': CMDS.keys(),
115 'help': 'command to run (cf. description or unix manual for more)'},
120 """Command line management.
123 def __init__(self, script_info,):
125 self.info = dict(script_info)
126 self.options = dict()
129 def declare_opts(self):
131 Declare options in ArgumentParser object.
133 cmds = '\n'.join([f' * {k}: {v}' for k, v in CMDS.items()])
134 self.parser = ArgumentParser(description=DESCRIPTION.format(cmds),
135 prog=self.info.get('prog'),
136 epilog='Happy Listening',
137 formatter_class=RawDescriptionHelpFormatter,
139 self.parser.add_argument('--version', action='version',
140 version='%(prog)s {version}'.format(**self.info))
141 # Add all options declare in OPTS
143 opt_names = opt.pop('sw')
144 self.parser.add_argument(*opt_names, **opt)
148 Look for env. var and parse command line.
151 options = vars(self.parser.parse_args())
152 # Set log file to os.devnull in daemon mode to avoid logging to
154 # TODO: Probably useless. To be checked
155 #if options.__dict__.get('daemon', False) and \
156 # not options.__dict__.get('logfile', False):
157 # options.__dict__['logfile'] = devnull
158 self.options.update(options)
159 clean_dict(self.options)
163 # vim: ai ts=4 sw=4 sts=4 expandtab