platypush/platypush/cli.py

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import argparse
from typing import Sequence
from platypush.bus.redis import RedisBus
from platypush.utils import get_default_pid_file
def parse_cmdline(args: Sequence[str]) -> argparse.Namespace:
"""
Parse command-line arguments from a list of strings.
"""
parser = argparse.ArgumentParser()
parser.add_argument(
'--config',
'-c',
dest='config',
required=False,
default=None,
help='Custom location for the configuration file',
)
parser.add_argument(
'--workdir',
'-w',
dest='workdir',
required=False,
default=None,
help='Custom working directory to be used for the application',
)
parser.add_argument(
'--device-id',
'-d',
dest='device_id',
required=False,
default=None,
help='Override the device ID used to identify this instance. If not '
'passed here, it is inferred from the configuration (device_id field).'
'If not present there either, it is inferred from the hostname.',
)
parser.add_argument(
'--logsdir',
'-l',
dest='logsdir',
required=False,
default=None,
help='Store logs in the specified directory. By default, the '
'`[logging.]filename` configuration option will be used. If not '
'set, logging will be sent to stdout and stderr.',
)
parser.add_argument(
'--version',
dest='version',
required=False,
action='store_true',
help="Print the current version and exit",
)
parser.add_argument(
'--verbose',
'-v',
dest='verbose',
required=False,
action='store_true',
help="Enable verbose/debug logging",
)
parser.add_argument(
'--pidfile',
'-P',
dest='pidfile',
required=False,
default=get_default_pid_file(),
help="File where platypush will "
+ "store its PID, useful if you're planning to "
+ f"integrate it in a service (default: {get_default_pid_file()})",
)
parser.add_argument(
'--no-capture-stdout',
dest='no_capture_stdout',
required=False,
action='store_true',
help="Set this flag if you have max stack depth "
+ "exceeded errors so stdout won't be captured by "
+ "the logging system",
)
parser.add_argument(
'--no-capture-stderr',
dest='no_capture_stderr',
required=False,
action='store_true',
help="Set this flag if you have max stack depth "
+ "exceeded errors so stderr won't be captured by "
+ "the logging system",
)
parser.add_argument(
'--redis-queue',
dest='redis_queue',
required=False,
default=RedisBus.DEFAULT_REDIS_QUEUE,
help="Name of the Redis queue to be used to internally deliver messages "
f"(default: {RedisBus.DEFAULT_REDIS_QUEUE})",
)
parser.add_argument(
'--start-redis',
dest='start_redis',
required=False,
action='store_true',
help="Set this flag if you want to run and manage Redis internally "
"from the app rather than using an external server. It requires the "
"redis-server executable to be present in the path",
)
parser.add_argument(
'--redis-host',
dest='redis_host',
required=False,
default=None,
help="Overrides the host specified in the redis section of the "
"configuration file",
)
parser.add_argument(
'--redis-port',
dest='redis_port',
required=False,
default=None,
help="Overrides the port specified in the redis section of the "
"configuration file",
)
parser.add_argument(
'--ctrl-sock',
dest='ctrl_sock',
required=False,
default=None,
help="If set, it identifies a path to a UNIX domain socket that "
"the application can use to send control messages (e.g. STOP and "
"RESTART) to its parent.",
)
opts, _ = parser.parse_known_args(args)
return opts