lbry-sdk/lbrynet/lbrynet_daemon/DaemonControl.py

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import argparse
import logging.handlers
import os
import webbrowser
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import sys
from twisted.web import server, guard
from twisted.internet import defer, reactor, error
from twisted.cred import portal
from jsonrpc.proxy import JSONRPCProxy
from lbrynet.lbrynet_daemon.auth.auth import PasswordChecker, HttpPasswordRealm
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from lbrynet.lbrynet_daemon.auth.util import initialize_api_key_file
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from lbrynet import conf
from lbrynet.core import log_support
from lbrynet.core import utils
from lbrynet.lbrynet_daemon.DaemonServer import DaemonServer
from lbrynet.lbrynet_daemon.DaemonRequest import DaemonRequest
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from lbrynet.conf import settings
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log = logging.getLogger(__name__)
def test_internet_connection():
return utils.check_connection()
def stop():
def _disp_shutdown():
print "Shutting down lbrynet-daemon from command line"
log.info("Shutting down lbrynet-daemon from command line")
def _disp_not_running():
print "Attempt to shut down lbrynet-daemon from command line when daemon isn't running"
log.info("Attempt to shut down lbrynet-daemon from command line when daemon isn't running")
d = defer.Deferred(None)
d.addCallback(lambda _: JSONRPCProxy.from_url(settings.API_CONNECTION_STRING).stop())
d.addCallbacks(lambda _: _disp_shutdown(), lambda _: _disp_not_running())
d.callback(None)
def start():
parser = argparse.ArgumentParser(description="Launch lbrynet-daemon")
parser.add_argument("--wallet",
help="lbrycrd or lbryum, default lbryum",
type=str,
default='lbryum')
parser.add_argument("--ui", help="path to custom UI folder", default=None)
parser.add_argument(
"--branch",
help='Branch of lbry-web-ui repo to use, defaults to {}'.format(settings.ui_branch),
default=settings.ui_branch)
parser.add_argument('--no-launch', dest='launchui', action="store_false")
parser.add_argument("--http-auth", dest="useauth", action="store_true")
parser.add_argument(
'--log-to-console', dest='logtoconsole', action='store_true',
help=('Set to enable console logging. Set the --verbose flag '
' to enable more detailed console logging'))
parser.add_argument(
'--quiet', dest='quiet', action="store_true",
help=('If log-to-console is not set, setting this disables all console output. '
'If log-to-console is set, this argument is ignored'))
parser.add_argument(
'--verbose', nargs="*",
help=('Enable debug output. Optionally specify loggers for which debug output '
'should selectively be applied.'))
args = parser.parse_args()
utils.setup_certs_for_windows()
conf.update_settings_from_file()
update_settings_from_args(args)
lbrynet_log = settings.get_log_filename()
log_support.configure_logging(lbrynet_log, args.logtoconsole, args.verbose)
log.debug('Final Settings: %s', settings.__dict__)
try:
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log.debug('Checking for an existing lbrynet daemon instance')
JSONRPCProxy.from_url(settings.API_CONNECTION_STRING).is_running()
log.info("lbrynet-daemon is already running")
if not args.logtoconsole:
print "lbrynet-daemon is already running"
return
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except Exception:
log.debug('No lbrynet instance found, continuing to start')
pass
log.info("Starting lbrynet-daemon from command line")
if not args.logtoconsole and not args.quiet:
print "Starting lbrynet-daemon from command line"
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print "To view activity, view the log file here: " + lbrynet_log
print "Web UI is available at http://%s:%i" % (settings.API_INTERFACE, settings.api_port)
print "JSONRPC API is available at " + settings.API_CONNECTION_STRING
print "To quit press ctrl-c or call 'stop' via the API"
if test_internet_connection():
start_server_and_listen(args.launchui, args.useauth)
reactor.run()
if not args.logtoconsole and not args.quiet:
print "\nClosing lbrynet-daemon"
else:
log.info("Not connected to internet, unable to start")
if not args.logtoconsole:
print "Not connected to internet, unable to start"
return
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def update_settings_from_args(args):
to_pass = {}
if args.ui:
to_pass['local_ui_path'] = args.ui
if args.branch:
to_pass['ui_branch'] = args.branch
to_pass['use_auth_http'] = args.useauth
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to_pass['wallet'] = args.wallet
settings.update(to_pass)
def log_and_kill(failure):
log_support.failure(failure, log, 'Failed to startup: %s')
reactor.callFromThread(reactor.stop)
def start_server_and_listen(launchui, use_auth):
"""The primary entry point for launching the daemon.
Args:
launchui: set to true to open a browser window
use_auth: set to true to enable http authentication
kwargs: passed along to `DaemonServer().start()`
"""
lbry = DaemonServer()
d = lbry.start()
d.addCallback(lambda _: listen(lbry, use_auth))
if launchui:
d.addCallback(lambda _: webbrowser.open(settings.UI_ADDRESS))
d.addErrback(log_and_kill)
def listen(lbry, use_auth):
site_base = get_site_base(use_auth, lbry.root)
lbrynet_server = server.Site(site_base)
lbrynet_server.requestFactory = DaemonRequest
try:
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reactor.listenTCP(settings.api_port, lbrynet_server, interface=settings.API_INTERFACE)
except error.CannotListenError:
log.info('Daemon already running, exiting app')
sys.exit(1)
def get_site_base(use_auth, root):
if use_auth:
log.info("Using authenticated API")
return create_auth_session(root)
else:
log.info("Using non-authenticated API")
return server.Site(root)
def create_auth_session(root):
pw_path = os.path.join(settings.data_dir, ".api_keys")
initialize_api_key_file(pw_path)
checker = PasswordChecker.load_file(pw_path)
realm = HttpPasswordRealm(root)
portal_to_realm = portal.Portal(realm, [checker, ])
factory = guard.BasicCredentialFactory('Login to lbrynet api')
_lbrynet_server = guard.HTTPAuthSessionWrapper(portal_to_realm, [factory, ])
return _lbrynet_server
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if __name__ == "__main__":
start()