298 lines
9.7 KiB
Python
298 lines
9.7 KiB
Python
import sys
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import json
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import asyncio
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import argparse
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import logging
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import logging.handlers
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from docopt import docopt
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import aiohttp
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from aiohttp.web import GracefulExit
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from lbrynet import __name__ as lbrynet_name, __version__ as lbrynet_version
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from lbrynet.extras.daemon.loggly_handler import get_loggly_handler
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from lbrynet.conf import Config, CLIConfig
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from lbrynet.extras.daemon.Daemon import Daemon
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log = logging.getLogger(lbrynet_name)
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log.addHandler(logging.NullHandler())
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def display(data):
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print(json.dumps(data, indent=2))
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async def execute_command(conf, method, params):
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async with aiohttp.ClientSession() as session:
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try:
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message = {'method': method, 'params': params}
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async with session.get(conf.api_connection_url, json=message) as resp:
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try:
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data = await resp.json()
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if 'result' in data:
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display(data['result'])
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elif 'error' in data:
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if 'message' in data['error']:
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display(data['error']['message'])
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else:
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display(data['error'])
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except Exception as e:
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log.exception('Could not process response from server:', exc_info=e)
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except aiohttp.ClientConnectionError:
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print("Could not connect to daemon. Are you sure it's running?")
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def normalize_value(x, key=None):
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if not isinstance(x, str):
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return x
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if key in ('uri', 'channel_name', 'name', 'file_name', 'download_directory'):
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return x
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if x.lower() == 'true':
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return True
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if x.lower() == 'false':
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return False
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if x.isdigit():
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return int(x)
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return x
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def remove_brackets(key):
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if key.startswith("<") and key.endswith(">"):
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return str(key[1:-1])
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return key
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def set_kwargs(parsed_args):
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kwargs = {}
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for key, arg in parsed_args.items():
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k = None
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if arg is None:
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continue
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elif key.startswith("--") and remove_brackets(key[2:]) not in kwargs:
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k = remove_brackets(key[2:])
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elif remove_brackets(key) not in kwargs:
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k = remove_brackets(key)
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kwargs[k] = normalize_value(arg, k)
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return kwargs
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def split_subparser_argument(parent, original, name, condition):
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new_sub_parser = argparse._SubParsersAction(
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original.option_strings,
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original._prog_prefix,
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original._parser_class,
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metavar=original.metavar
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)
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new_sub_parser._name_parser_map = original._name_parser_map
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new_sub_parser._choices_actions = [
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a for a in original._choices_actions if condition(original._name_parser_map[a.dest])
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]
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group = argparse._ArgumentGroup(parent, name)
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group._group_actions = [new_sub_parser]
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return group
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class ArgumentParser(argparse.ArgumentParser):
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def __init__(self, *args, group_name=None, **kwargs):
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super().__init__(*args, formatter_class=HelpFormatter, add_help=False, **kwargs)
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self.add_argument(
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'--help', dest='help', action='store_true', default=False,
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help='Show this help message and exit.'
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)
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self._optionals.title = 'Options'
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if group_name is None:
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self.epilog = (
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f"Run 'lbrynet COMMAND --help' for more information on a command or group."
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)
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else:
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self.epilog = (
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f"Run 'lbrynet {group_name} COMMAND --help' for more information on a command."
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)
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self.set_defaults(group=group_name, group_parser=self)
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def format_help(self):
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formatter = self._get_formatter()
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formatter.add_usage(
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self.usage, self._actions, self._mutually_exclusive_groups
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)
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formatter.add_text(self.description)
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# positionals, optionals and user-defined groups
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for action_group in self._granular_action_groups:
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formatter.start_section(action_group.title)
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formatter.add_text(action_group.description)
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formatter.add_arguments(action_group._group_actions)
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formatter.end_section()
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formatter.add_text(self.epilog)
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return formatter.format_help()
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@property
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def _granular_action_groups(self):
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if self.prog != 'lbrynet':
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yield from self._action_groups
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return
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yield self._optionals
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action: argparse._SubParsersAction = self._positionals._group_actions[0]
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yield split_subparser_argument(
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self, action, "Grouped Commands", lambda parser: 'group' in parser._defaults
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)
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yield split_subparser_argument(
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self, action, "Commands", lambda parser: 'group' not in parser._defaults
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)
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def error(self, message):
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self.print_help(argparse._sys.stderr)
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self.exit(2, '\n'+message+'\n')
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class HelpFormatter(argparse.HelpFormatter):
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def add_usage(self, usage, actions, groups, prefix='Usage: '):
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super().add_usage(
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usage, [a for a in actions if a.option_strings != ['--help']], groups, prefix
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)
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def add_command_parser(parent, command):
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subcommand = parent.add_parser(
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command['name'],
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help=command['doc'].strip().splitlines()[0]
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)
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subcommand.set_defaults(
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api_method_name=command['api_method_name'],
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command=command['name'],
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doc=command['doc'],
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replaced_by=command.get('replaced_by', None)
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)
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def get_argument_parser():
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main = ArgumentParser(
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'lbrynet', description='An interface to the LBRY Network.'
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)
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main.add_argument(
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'-v', '--version', dest='cli_version', action="store_true",
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help='Show lbrynet CLI version and exit.'
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)
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main.set_defaults(group=None, command=None)
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CLIConfig.contribute_args(main)
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sub = main.add_subparsers(metavar='COMMAND')
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start = sub.add_parser(
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'start',
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usage='lbrynet start [--config FILE] [--data-dir DIR] [--wallet-dir DIR] [--download-dir DIR] ...',
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help='Start LBRY Network interface.'
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)
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start.add_argument(
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'--quiet', dest='quiet', action="store_true",
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help='Disable all console output.'
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)
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start.add_argument(
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'--verbose', nargs="*",
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help=('Enable debug output. Optionally specify loggers for which debug output '
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'should selectively be applied.')
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)
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start.set_defaults(command='start', start_parser=start)
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Config.contribute_args(start)
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api = Daemon.get_api_definitions()
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groups = {}
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for group_name in sorted(api['groups']):
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group_parser = sub.add_parser(group_name, group_name=group_name, help=api['groups'][group_name])
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groups[group_name] = group_parser.add_subparsers(metavar='COMMAND')
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nicer_order = ['stop', 'get', 'publish', 'resolve']
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for command_name in sorted(api['commands']):
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if command_name not in nicer_order:
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nicer_order.append(command_name)
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for command_name in nicer_order:
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command = api['commands'][command_name]
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if command['group'] is None:
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add_command_parser(sub, command)
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else:
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add_command_parser(groups[command['group']], command)
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return main
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def main(argv=None):
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argv = argv or sys.argv[1:]
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parser = get_argument_parser()
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args, command_args = parser.parse_known_args(argv)
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conf = Config.create_from_arguments(args)
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if args.cli_version:
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print(f"{lbrynet_name} {lbrynet_version}")
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return 0
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elif args.command == 'start':
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if args.help:
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args.start_parser.print_help()
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return 0
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default_formatter = logging.Formatter("%(asctime)s %(levelname)-8s %(name)s:%(lineno)d: %(message)s")
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file_handler = logging.handlers.RotatingFileHandler(
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conf.log_file_path, maxBytes=2097152, backupCount=5
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)
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file_handler.setFormatter(default_formatter)
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log.addHandler(file_handler)
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if not args.quiet:
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handler = logging.StreamHandler()
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handler.setFormatter(default_formatter)
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log.addHandler(handler)
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logging.getLogger('aioupnp').setLevel(logging.WARNING)
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logging.getLogger('aiohttp').setLevel(logging.CRITICAL)
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if args.verbose:
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log.setLevel(logging.DEBUG)
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else:
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log.setLevel(logging.INFO)
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if conf.share_usage_data:
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loggly_handler = get_loggly_handler()
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loggly_handler.setLevel(logging.ERROR)
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log.addHandler(loggly_handler)
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daemon = Daemon(conf)
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loop = asyncio.get_event_loop()
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try:
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loop.run_until_complete(daemon.start())
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loop.run_forever()
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except (GracefulExit, KeyboardInterrupt):
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pass
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finally:
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loop.run_until_complete(daemon.stop())
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if hasattr(loop, 'shutdown_asyncgens'):
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loop.run_until_complete(loop.shutdown_asyncgens())
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elif args.command is not None:
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doc = args.doc
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api_method_name = args.api_method_name
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if args.replaced_by:
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print(f"{args.api_method_name} is deprecated, using {args.replaced_by['api_method_name']}.")
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doc = args.replaced_by['doc']
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api_method_name = args.replaced_by['api_method_name']
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if args.help:
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print(doc)
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else:
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parsed = docopt(doc, command_args)
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params = set_kwargs(parsed)
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loop = asyncio.get_event_loop()
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loop.run_until_complete(execute_command(conf, api_method_name, params))
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elif args.group is not None:
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args.group_parser.print_help()
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else:
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parser.print_help()
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return 0
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if __name__ == "__main__":
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sys.exit(main())
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