345 lines
12 KiB
Python
345 lines
12 KiB
Python
import os
|
|
import sys
|
|
import shutil
|
|
import signal
|
|
import pathlib
|
|
import platform
|
|
import json
|
|
import asyncio
|
|
import argparse
|
|
import logging
|
|
import logging.handlers
|
|
|
|
import aiohttp
|
|
from aiohttp.web import GracefulExit
|
|
from docopt import docopt
|
|
|
|
from lbry import __version__ as lbrynet_version
|
|
from lbry.extras.daemon.loggly_handler import get_loggly_handler
|
|
from lbry.extras.daemon.daemon import Daemon
|
|
from lbry.conf import Config, CLIConfig
|
|
|
|
log = logging.getLogger('lbry')
|
|
|
|
|
|
def display(data):
|
|
print(json.dumps(data, indent=2))
|
|
|
|
|
|
async def execute_command(conf, method, params, callback=display):
|
|
async with aiohttp.ClientSession() as session:
|
|
try:
|
|
message = {'method': method, 'params': params}
|
|
async with session.get(conf.api_connection_url, json=message) as resp:
|
|
try:
|
|
data = await resp.json()
|
|
if 'result' in data:
|
|
return callback(data['result'])
|
|
elif 'error' in data:
|
|
return callback(data['error'])
|
|
except Exception as e:
|
|
log.exception('Could not process response from server:', exc_info=e)
|
|
except aiohttp.ClientConnectionError:
|
|
print("Could not connect to daemon. Are you sure it's running?")
|
|
|
|
|
|
def normalize_value(x, key=None):
|
|
if not isinstance(x, str):
|
|
return x
|
|
if key in ('uri', 'channel_name', 'name', 'file_name', 'claim_name', 'download_directory'):
|
|
return x
|
|
if x.lower() == 'true':
|
|
return True
|
|
if x.lower() == 'false':
|
|
return False
|
|
if x.isdigit():
|
|
return int(x)
|
|
return x
|
|
|
|
|
|
def remove_brackets(key):
|
|
if key.startswith("<") and key.endswith(">"):
|
|
return str(key[1:-1])
|
|
return key
|
|
|
|
|
|
def set_kwargs(parsed_args):
|
|
kwargs = {}
|
|
for key, arg in parsed_args.items():
|
|
if arg is None:
|
|
continue
|
|
k = None
|
|
if key.startswith("--") and remove_brackets(key[2:]) not in kwargs:
|
|
k = remove_brackets(key[2:])
|
|
elif remove_brackets(key) not in kwargs:
|
|
k = remove_brackets(key)
|
|
kwargs[k] = normalize_value(arg, k)
|
|
return kwargs
|
|
|
|
|
|
def split_subparser_argument(parent, original, name, condition):
|
|
new_sub_parser = argparse._SubParsersAction(
|
|
original.option_strings,
|
|
original._prog_prefix,
|
|
original._parser_class,
|
|
metavar=original.metavar
|
|
)
|
|
new_sub_parser._name_parser_map = original._name_parser_map
|
|
new_sub_parser._choices_actions = [
|
|
a for a in original._choices_actions if condition(original._name_parser_map[a.dest])
|
|
]
|
|
group = argparse._ArgumentGroup(parent, name)
|
|
group._group_actions = [new_sub_parser]
|
|
return group
|
|
|
|
|
|
class ArgumentParser(argparse.ArgumentParser):
|
|
def __init__(self, *args, group_name=None, **kwargs):
|
|
super().__init__(*args, formatter_class=HelpFormatter, add_help=False, **kwargs)
|
|
self.add_argument(
|
|
'--help', dest='help', action='store_true', default=False,
|
|
help='Show this help message and exit.'
|
|
)
|
|
self._optionals.title = 'Options'
|
|
if group_name is None:
|
|
self.epilog = (
|
|
f"Run 'lbrynet COMMAND --help' for more information on a command or group."
|
|
)
|
|
else:
|
|
self.epilog = (
|
|
f"Run 'lbrynet {group_name} COMMAND --help' for more information on a command."
|
|
)
|
|
self.set_defaults(group=group_name, group_parser=self)
|
|
|
|
def format_help(self):
|
|
formatter = self._get_formatter()
|
|
formatter.add_usage(
|
|
self.usage, self._actions, self._mutually_exclusive_groups
|
|
)
|
|
formatter.add_text(self.description)
|
|
|
|
# positionals, optionals and user-defined groups
|
|
for action_group in self._granular_action_groups:
|
|
formatter.start_section(action_group.title)
|
|
formatter.add_text(action_group.description)
|
|
formatter.add_arguments(action_group._group_actions)
|
|
formatter.end_section()
|
|
|
|
formatter.add_text(self.epilog)
|
|
return formatter.format_help()
|
|
|
|
@property
|
|
def _granular_action_groups(self):
|
|
if self.prog != 'lbrynet':
|
|
yield from self._action_groups
|
|
return
|
|
yield self._optionals
|
|
action: argparse._SubParsersAction = self._positionals._group_actions[0]
|
|
yield split_subparser_argument(
|
|
self, action, "Grouped Commands", lambda parser: 'group' in parser._defaults
|
|
)
|
|
yield split_subparser_argument(
|
|
self, action, "Commands", lambda parser: 'group' not in parser._defaults
|
|
)
|
|
|
|
def error(self, message):
|
|
self.print_help(argparse._sys.stderr)
|
|
self.exit(2, f"\n{message}\n")
|
|
|
|
|
|
class HelpFormatter(argparse.HelpFormatter):
|
|
|
|
def add_usage(self, usage, actions, groups, prefix='Usage: '):
|
|
super().add_usage(
|
|
usage, [a for a in actions if a.option_strings != ['--help']], groups, prefix
|
|
)
|
|
|
|
|
|
def add_command_parser(parent, command):
|
|
subcommand = parent.add_parser(
|
|
command['name'],
|
|
help=command['doc'].strip().splitlines()[0]
|
|
)
|
|
subcommand.set_defaults(
|
|
api_method_name=command['api_method_name'],
|
|
command=command['name'],
|
|
doc=command['doc'],
|
|
replaced_by=command.get('replaced_by', None)
|
|
)
|
|
|
|
|
|
def get_argument_parser():
|
|
root = ArgumentParser(
|
|
'lbrynet', description='An interface to the LBRY Network.', allow_abbrev=False,
|
|
)
|
|
root.add_argument(
|
|
'-v', '--version', dest='cli_version', action="store_true",
|
|
help='Show lbrynet CLI version and exit.'
|
|
)
|
|
root.set_defaults(group=None, command=None)
|
|
CLIConfig.contribute_to_argparse(root)
|
|
sub = root.add_subparsers(metavar='COMMAND')
|
|
start = sub.add_parser(
|
|
'start',
|
|
usage='lbrynet start [--config FILE] [--data-dir DIR] [--wallet-dir DIR] [--download-dir DIR] ...',
|
|
help='Start LBRY Network interface.'
|
|
)
|
|
start.add_argument(
|
|
'--quiet', dest='quiet', action="store_true",
|
|
help='Disable all console output.'
|
|
)
|
|
start.add_argument(
|
|
'--no-logging', dest='no_logging', action="store_true",
|
|
help='Disable all logging of any kind.'
|
|
)
|
|
start.add_argument(
|
|
'--verbose', nargs="*",
|
|
help=('Enable debug output for lbry logger and event loop. Optionally specify loggers for which debug output '
|
|
'should selectively be applied.')
|
|
)
|
|
start.add_argument(
|
|
'--initial-headers', dest='initial_headers',
|
|
help='Specify path to initial blockchain headers, faster than downloading them on first run.'
|
|
)
|
|
Config.contribute_to_argparse(start)
|
|
start.set_defaults(command='start', start_parser=start, doc=start.format_help())
|
|
|
|
api = Daemon.get_api_definitions()
|
|
groups = {}
|
|
for group_name in sorted(api['groups']):
|
|
group_parser = sub.add_parser(group_name, group_name=group_name, help=api['groups'][group_name])
|
|
groups[group_name] = group_parser.add_subparsers(metavar='COMMAND')
|
|
|
|
nicer_order = ['stop', 'get', 'publish', 'resolve']
|
|
for command_name in sorted(api['commands']):
|
|
if command_name not in nicer_order:
|
|
nicer_order.append(command_name)
|
|
|
|
for command_name in nicer_order:
|
|
command = api['commands'][command_name]
|
|
if command['group'] is None:
|
|
add_command_parser(sub, command)
|
|
else:
|
|
add_command_parser(groups[command['group']], command)
|
|
|
|
return root
|
|
|
|
|
|
def ensure_directory_exists(path: str):
|
|
if not os.path.isdir(path):
|
|
pathlib.Path(path).mkdir(parents=True, exist_ok=True)
|
|
|
|
|
|
LOG_MODULES = 'lbry', 'aioupnp'
|
|
|
|
|
|
def setup_logging(logger: logging.Logger, args: argparse.Namespace, conf: Config):
|
|
default_formatter = logging.Formatter("%(asctime)s %(levelname)-8s %(name)s:%(lineno)d: %(message)s")
|
|
file_handler = logging.handlers.RotatingFileHandler(conf.log_file_path, maxBytes=2097152, backupCount=5)
|
|
file_handler.setFormatter(default_formatter)
|
|
for module_name in LOG_MODULES:
|
|
logger.getChild(module_name).addHandler(file_handler)
|
|
if not args.quiet:
|
|
handler = logging.StreamHandler()
|
|
handler.setFormatter(default_formatter)
|
|
for module_name in LOG_MODULES:
|
|
logger.getChild(module_name).addHandler(handler)
|
|
|
|
logger.getChild('lbry').setLevel(logging.INFO)
|
|
logger.getChild('aioupnp').setLevel(logging.WARNING)
|
|
logger.getChild('aiohttp').setLevel(logging.CRITICAL)
|
|
|
|
if args.verbose is not None:
|
|
if len(args.verbose) > 0:
|
|
for module in args.verbose:
|
|
logger.getChild(module).setLevel(logging.DEBUG)
|
|
else:
|
|
logger.getChild('lbry').setLevel(logging.DEBUG)
|
|
|
|
loggly_handler = get_loggly_handler(conf)
|
|
loggly_handler.setLevel(logging.ERROR)
|
|
logger.getChild('lbry').addHandler(loggly_handler)
|
|
|
|
|
|
def run_daemon(args: argparse.Namespace, conf: Config):
|
|
if sys.version_info < (3, 8) and platform.system() == "Windows":
|
|
# TODO: remove after we move to requiring Python 3.8
|
|
asyncio.set_event_loop(asyncio.ProactorEventLoop())
|
|
loop = asyncio.get_event_loop()
|
|
if args.verbose is not None:
|
|
loop.set_debug(True)
|
|
if not args.no_logging:
|
|
setup_logging(logging.getLogger(), args, conf)
|
|
daemon = Daemon(conf)
|
|
|
|
def __exit():
|
|
raise GracefulExit()
|
|
|
|
try:
|
|
loop.add_signal_handler(signal.SIGINT, __exit)
|
|
loop.add_signal_handler(signal.SIGTERM, __exit)
|
|
except NotImplementedError:
|
|
pass # Not implemented on Windows
|
|
|
|
try:
|
|
loop.run_until_complete(daemon.start())
|
|
loop.run_forever()
|
|
except (GracefulExit, KeyboardInterrupt, asyncio.CancelledError):
|
|
pass
|
|
finally:
|
|
loop.run_until_complete(daemon.stop())
|
|
logging.shutdown()
|
|
|
|
if hasattr(loop, 'shutdown_asyncgens'):
|
|
loop.run_until_complete(loop.shutdown_asyncgens())
|
|
|
|
|
|
def main(argv=None):
|
|
argv = argv or sys.argv[1:]
|
|
parser = get_argument_parser()
|
|
args, command_args = parser.parse_known_args(argv)
|
|
|
|
conf = Config.create_from_arguments(args)
|
|
for directory in (conf.data_dir, conf.download_dir, conf.wallet_dir):
|
|
ensure_directory_exists(directory)
|
|
|
|
if args.cli_version:
|
|
print(f"lbrynet {lbrynet_version}")
|
|
elif args.command == 'start':
|
|
if args.help:
|
|
args.start_parser.print_help()
|
|
else:
|
|
if args.initial_headers:
|
|
ledger_path = os.path.join(conf.wallet_dir, 'lbc_mainnet')
|
|
ensure_directory_exists(ledger_path)
|
|
current_size = 0
|
|
headers_path = os.path.join(ledger_path, 'headers')
|
|
if os.path.exists(headers_path):
|
|
current_size = os.stat(headers_path).st_size
|
|
if os.stat(args.initial_headers).st_size > current_size:
|
|
log.info('Copying header from %s to %s', args.initial_headers, headers_path)
|
|
shutil.copy(args.initial_headers, headers_path)
|
|
run_daemon(args, conf)
|
|
elif args.command is not None:
|
|
doc = args.doc
|
|
api_method_name = args.api_method_name
|
|
if args.replaced_by:
|
|
print(f"{args.api_method_name} is deprecated, using {args.replaced_by['api_method_name']}.")
|
|
doc = args.replaced_by['doc']
|
|
api_method_name = args.replaced_by['api_method_name']
|
|
if args.help:
|
|
print(doc)
|
|
else:
|
|
parsed = docopt(doc, command_args)
|
|
params = set_kwargs(parsed)
|
|
asyncio.get_event_loop().run_until_complete(execute_command(conf, api_method_name, params))
|
|
elif args.group is not None:
|
|
args.group_parser.print_help()
|
|
else:
|
|
parser.print_help()
|
|
|
|
return 0
|
|
|
|
|
|
if __name__ == "__main__":
|
|
sys.exit(main())
|