def run(components, log_level='info'):
"""
High-level API to run a series of components.
This will only return once all the components have stopped
(including, possibly, after all re-connections have failed if you
have re-connections enabled). Under the hood, this calls
:meth:`twisted.internet.reactor.run` -- if you wish to manage the
reactor loop yourself, use the
:meth:`autobahn.twisted.component.Component.start` method to start
each component yourself.
:param components: the Component(s) you wish to run
:type components: Component or list of Components
:param log_level: a valid log-level (or None to avoid calling start_logging)
:type log_level: string
"""
# only for Twisted > 12
# ...so this isn't in all Twisted versions we test against -- need
# to do "something else" if we can't import .. :/ (or drop some
# support)
from twisted.internet.task import react
# actually, should we even let people "not start" the logging? I'm
# not sure that's wise... (double-check: if they already called
# txaio.start_logging() what happens if we call it again?)
if log_level is not None:
txaio.start_logging(level=log_level)
react(component._run, (components, ))
def main():
"""
"""
logger = setLogger()
currencies_responses = get_responses(200)
logger.debug("Got responses")
currencies_soups = collect_soups(currencies_responses)
logger.debug("Got soups")
curr_short_rate_names = collect_short_rate_names(currencies_soups)
logger.debug("Collected short rate names")
short_rate_names_to_parse = prepare_for_parse(curr_short_rate_names)
logger.debug("Got short rate names to parse")
short_rate_names_responses = get_short_rate_names_responses(
short_rate_names_to_parse)
logger.debug("Got short rate names responses")
short_rate_names_trees = collect_short_rate_names_trees(
short_rate_names_responses)
logger.debug("Collected short rate names trees")
hash_table = create_hash_table(short_rate_names_trees,
short_rate_names_to_parse)
logger.debug("Created hash_table")
create_currencies_tables('userdb',
curr_short_rate_names,
hash_table,
)
logger.debug("Created currencies table")
task.react(graph_id_parser, (curr_short_rate_names,))
def run(self):
"""
Schedules the startRequests method and gracefully exits the program when either
all of the deferred objects fire successfully or fail
"""
task.react(self._startRequests)
def test():
transports = [
{
'type': 'rawsocket',
'serializer': 'msgpack',
'endpoint': {
'type': 'unix',
'path': '/tmp/cb1.sock'
}
},
{
'type': 'websocket',
'url': 'ws://127.0.0.1:8080/ws',
'endpoint': {
'type': 'tcp',
'host': '127.0.0.1',
'port': 8080
}
}
]
connection1 = Connection(main1, transports=transports[0])
yield react(connection1.start)
connection2 = Connection(main2, transports=transports[1])
yield react(connection2.start)
def reactOn(self,d): # def onEnd(response): # reactor.stop() # d.addBoth(onEnd) # reactor.run() def main(r): return d react(main)
def run():
assert sys.version_info < (3,), u"Tahoe-LAFS does not run under Python 3. Please use Python 2.7.x."
if sys.platform == "win32":
from allmydata.windows.fixups import initialize
initialize()
# doesn't return: calls sys.exit(rc)
task.react(_run_with_reactor)
def cli(user, probes, results, verbose):
if False:
# writes a 'txtorcon.log' with debugging information
from txtorcon.log import debug_logging
debug_logging()
args = (user, probes, results, verbose)
react(main, args)
def main(argv=None, _abort_for_test=False):
# This function is referenced by the setup.py entry point definition as well as the name=__main__ test below.
def go(reactor):
return _main_async(reactor, argv, _abort_for_test)
if _abort_for_test:
return go(singleton_reactor)
else:
react(go)
def main(self, args=None):
parser = self.build_parser()
args = parser.parse_args(args)
self.verbose = args.verbose
action = self.find_action(args)
if not action:
parser.print_help()
sys.exit(2)
action_method = getattr(self, action + '_action')
task.react(action_method, [args])
def test_runsUntilSyncCallback(self):
"""
L{react} returns quickly if the L{Deferred} returned by the function it
is passed has already been called back at the time it is returned.
"""
def main(reactor):
return defer.succeed(None)
r = _FakeReactor()
task.react(main, [], _reactor=r)
self.assertEqual(r.seconds(), 0)
def _main():
"""
This is a magic name for `python -m autobahn`, and specified as
our entry_point in setup.py
"""
react(
lambda reactor: ensureDeferred(
_real_main(reactor)
)
)
def react_app(app, main, argv=()):
@defer.inlineCallbacks
def appless_main(reactor):
yield defer.maybeDeferred(service.IService(app).startService)
try:
yield defer.maybeDeferred(main, *argv)
finally:
yield defer.maybeDeferred(service.IService(app).stopService)
task.react(appless_main)
def main():
parser = argparse.ArgumentParser()
parser.add_argument("hls_playlist")
parser.add_argument("-v", action="store_true")
parser.add_argument("-d", action="store_true")
parser.add_argument("--dump-durations", action="store_true")
parser.add_argument("--referer")
parser.add_argument("-o");
args = parser.parse_args()
react(runProxy, [args])
def main(argv=sys.argv[1:]):
parser = argparse.ArgumentParser(description='Yarrharr fetch debug utility')
parser.add_argument('url')
args = parser.parse_args()
os.environ['DJANGO_SETTINGS_MODULE'] = 'yarrharr.settings'
import yarrharr.application
yarrharr.application
# TODO config logging
task.react(_txmain, [args.url])
def main(argv=sys.argv):
parser = argparse.ArgumentParser()
_curvecpm.addLogArguments(parser)
parser.add_argument('-n', '--name')
parser.add_argument('-e', '--server-extension', default='0' * 32)
parser.add_argument('keydir', type=Keydir)
parser.add_argument('port', type=int)
parser.add_argument('program')
parser.add_argument('argv', nargs='*')
react(twistedMain, [parser.parse_args(argv[1:])])
def test_arguments(self):
"""
L{react} passes the elements of the list it is passed as positional
arguments to the function it is passed.
"""
args = []
def main(reactor, x, y, z):
args.extend((x, y, z))
return defer.succeed(None)
r = _FakeReactor()
task.react(main, [1, 2, 3], _reactor=r)
self.assertEqual(args, [1, 2, 3])
def write(self, logentry):
for i in list(logentry.keys()):
# Remove twisted 15 legacy keys
if i.startswith('log_'):
del logentry[i]
elif i == "time":
del logentry[i]
logging.basicConfig(
format='%(name)s %(levelname)s %(message)s',
level=logging.INFO,
)
task.react(produce, json.dumps(logentry))
def test_singleStopCallback(self):
"""
L{react} doesn't try to stop the reactor if the L{Deferred} the function
it is passed is called back after the reactor has already been stopped.
"""
def main(reactor):
reactor.callLater(1, reactor.stop)
finished = defer.Deferred()
reactor.addSystemEventTrigger(
'during', 'shutdown', finished.callback, None)
return finished
r = _FakeReactor()
task.react(main, [], _reactor=r)
self.assertEqual(r.seconds(), 1)
def run(self, runner):
"""
Start the runner and block on the reactor.
"""
@defer.inlineCallbacks
def _(_):
yield runner.run()
if self.report or self.report_only:
self.printReport()
try:
task.react(_)
except (SystemExit, KeyboardInterrupt):
# clean up terminating line upon exit
print "\033[1F"
def test_defaultReactor(self):
"""
L{twisted.internet.reactor} is used if no reactor argument is passed to
L{task.react}.
"""
def main(reactor):
self.passedReactor = reactor
return defer.succeed(None)
reactor = _FakeReactor()
with NoReactor():
installReactor(reactor)
task.react(main, [])
self.assertIdentical(reactor, self.passedReactor)
def test_runsUntilAsyncCallback(self):
"""
L{react} runs the reactor until the L{Deferred} returned by the function
it is passed is called back, then stops it.
"""
timePassed = []
def main(reactor):
finished = defer.Deferred()
reactor.callLater(1, timePassed.append, True)
reactor.callLater(2, finished.callback, None)
return finished
r = _FakeReactor()
task.react(main, [], _reactor=r)
self.assertEqual(timePassed, [True])
self.assertEqual(r.seconds(), 2)
def test_runsUntilSyncErrback(self):
"""
L{react} returns quickly if the L{Deferred} returned by the function it
is passed has already been errbacked at the time it is returned.
"""
class ExpectedException(Exception):
pass
def main(reactor):
return defer.fail(ExpectedException())
r = _FakeReactor()
task.react(main, [], _reactor=r)
self.assertEqual(r.seconds(), 0)
errors = self.flushLoggedErrors(ExpectedException)
self.assertEqual(len(errors), 1)
def agent_main(collector):
to_file(sys.stdout)
startLogging(sys.stdout)
return react(
run_agent, [
environ.get(
"FLOCKER_CONFIGURATION_PATH",
"/etc/flocker",
).decode("ascii"),
environ.get(
"CATALOG_FIREHOSE_PROTOCOL",
DEFAULT_FIREHOSE_PROTOCOL,
).decode("ascii"),
environ.get(
"CATALOG_FIREHOSE_HOSTNAME",
DEFAULT_FIREHOSE_HOSTNAME,
).decode("ascii"),
int(
environ.get(
"CATALOG_FIREHOSE_PORT",
unicode(DEFAULT_FIREHOSE_PORT).encode("ascii"),
).decode("ascii")
),
# Base64 encoded
environ["CATALOG_FIREHOSE_SECRET"].decode("ascii"),
collector,
],
)
def main(argv):
"""
Start logging to a temporary file and then run the main loop.
"""
startLogging(file('imaginary-debug.log', 'w'))
withSavedTerminalSettings(sys.__stdin__.fileno(),
lambda: react(runTextServer, argv))
def test_runsUntilAsyncErrback(self):
"""
L{react} runs the reactor until the L{Deferred} returned by the function
it is passed is errbacked, then it stops the reactor and reports the
error.
"""
class ExpectedException(Exception):
pass
def main(reactor):
finished = defer.Deferred()
reactor.callLater(1, finished.errback, ExpectedException())
return finished
r = _FakeReactor()
task.react(main, [], _reactor=r)
errors = self.flushLoggedErrors(ExpectedException)
self.assertEqual(len(errors), 1)
def import_porting_db(redis_uri, prefix, logfile, debug, header, file):
from .portia import Portia
from twisted.internet.task import react
from twisted.python import log
from txredisapi import Connection
log.startLogging(logfile)
d = Connection(redis_uri.hostname, int(redis_uri.port or 6379),
int(redis_uri.path[1:]))
d.addCallback(lambda redis: Portia(redis, prefix=prefix))
d.addCallback(lambda portia: portia.import_porting_file(file, header))
d.addCallback(
lambda msisdns: [
log.msg('Imported %s' % (msisdn,)) for msisdn in msisdns])
react(lambda _reactor: d)
def run():
assert sys.version_info < (3,), ur"Tahoe-LAFS does not run under Python 3. Please use Python 2.7.x."
if sys.platform == "win32":
from allmydata.windows.fixups import initialize
initialize()
d = defer.maybeDeferred(parse_or_exit_with_explanation, sys.argv[1:])
d.addCallback(dispatch)
def _show_exception(f):
# when task.react() notices a non-SystemExit exception, it does
# log.err() with the failure and then exits with rc=1. We want this
# to actually print the exception to stderr, like it would do if we
# weren't using react().
if f.check(SystemExit):
return f # dispatch function handled it
f.printTraceback(file=sys.stderr)
sys.exit(1)
d.addErrback(_show_exception)
task.react(lambda _reactor: d) # doesn't return: calls sys.exit(rc)
def test_singleStopErrback(self):
"""
L{react} doesn't try to stop the reactor if the L{Deferred} the
function it is passed is errbacked after the reactor has already been
stopped.
"""
class ExpectedException(Exception):
pass
def main(reactor):
reactor.callLater(1, reactor.stop)
finished = defer.Deferred()
reactor.addSystemEventTrigger(
'during', 'shutdown', finished.errback, ExpectedException())
return finished
r = _FakeReactor()
task.react(main, [], _reactor=r)
self.assertEqual(r.seconds(), 1)
errors = self.flushLoggedErrors(ExpectedException)
self.assertEqual(len(errors), 1)
def _actual_send(self, pkg):
def _reactor_send(reactor, pkg):
require_trans_sec = self.smtp_server_.require_transport_security_
require_auth = self.smtp_server_.require_authentication_
log.startLogging(sys.stdout)
log.msg('To addresses:', pkg.to_addresses_)
d = sendmail(self.smtp_server_.host_,
self.from_address_,
pkg.to_addresses_,
pkg.shared_content_,
port=self.smtp_server_.port_,
username=self.account_.user_name_,
password=self.account_.password_,
requireAuthentication=require_auth,
requireTransportSecurity=require_trans_sec)
# d.addBoth(print)
return d
react(_reactor_send, (pkg, ))
def send(cfg, what, text, code, zeromode):
"""Send a text message, file, or directory"""
with cfg.timing.add("import", which="cmd_send"):
from . import cmd_send
cfg.what = what
cfg.text = text
cfg.zeromode = zeromode
cfg.code = code
# note: react() does not return
return react(_dispatch_command, (cfg, lambda: cmd_send.send(cfg)))
def run_context(self, ctx, command=None):
# cfg contains the command lines options and arguments that
# click collected for us
cfg = ctx.obj
cmd = ctx.command.name
self.log.info('{klass}.run_context: running shell command "{cmd}"',
klass=self.__class__.__name__,
cmd=cmd)
yes_to_all = cfg.yes_to_all if hasattr(cfg, 'yes_to_all') else False
# if cmd not in ['auth', 'shell']:
# raise click.ClickException('"{}" command can only be run in shell'.format(cmd))
if self._output_verbosity == Application.OUTPUT_VERBOSITY_VERBOSE:
click.echo('Crossbar.io Shell: {}'.format(
style_ok('v{}'.format(__version__))))
# load user profile and key for given profile name
key, profile = self.load_profile(dotdir=cfg.dotdir,
profile=cfg.profile,
yes_to_all=yes_to_all,
verbose=(ctx.command.name == 'init'))
if ctx.command.name == 'init':
return
# set the Fabric URL to connect to from the profile or default
url = profile.url or 'wss://fabric.crossbario.com'
# users always authenticate with the user_id from the key, which
# filled from the email the user provided
authid = key.user_id
# the realm can be set from command line, env var, the profile
# or can be None, which means the user will be joined to the global
# Crossbar.io users realm ('com.crossbario.fabric')
realm = cfg.realm or profile.realm or None
# the authrole can be set from command line, env var, the profile
# or can be None, in which case the role is chosen automatically
# from the list of roles the user us authorized for
authrole = cfg.role or profile.role or None
# this will be fired when the ShellClient below actually has joined
# the respective realm on Crossbar.io (either the global users
# realm, or a management realm the user has a role on)
done = txaio.create_future()
url_is_secure, _, _, _, _, _ = parse_url(url)
extra = {
# these are forward on the actual client connection
'authid': authid,
'authrole': authrole,
# these are native Python object and only used client-side
'key': key.key,
'done': done,
'command': command,
# WAMP-cryptosign authentication: TLS channel binding
'channel_binding': 'tls-unique' if url_is_secure else None,
}
cert_options = None
if profile.tls_hostname:
self.log.info(
'Setting up TLS context (server CA/intermediate certificates, etc) from profile:'
)
tls_config = {
'hostname': profile.tls_hostname,
'ca_certificates': profile.tls_certificates
}
cert_options = _create_tls_client_context(tls_config, '.crossbar',
self.log)
# for the "auth" command, forward additional command line options
if ctx.command.name == 'auth':
# user provides authentication code to verify
extra['activation_code'] = cfg.code
# user requests sending of a new authentication code (while an old one is still pending)
extra['request_new_activation_code'] = cfg.new_code
# this is the WAMP ApplicationSession that connects the CLI to Crossbar.io
self.session = client.ShellClient(ComponentConfig(realm, extra))
runner = ApplicationRunner(url, realm, ssl=cert_options)
if self._output_verbosity == Application.OUTPUT_VERBOSITY_VERBOSE:
click.echo('Connecting to {} ..'.format(url))
connect_done = runner.run(self.session, start_reactor=False)
def on_connect_success(res):
self.log.info('{klass}.on_connect_success(res={res})',
klass=self.__class__.__name__,
res=pformat(res))
def on_connect_error(err):
self.log.warn('{klass}.on_connect_error(err={err})',
klass=self.__class__.__name__,
err=err)
if isinstance(err, Failure):
err = err.value
txaio.reject(done, err)
# raise SystemExit(1)
txaio.add_callbacks(connect_done, on_connect_success, on_connect_error)
def on_success(res):
self.log.info('{klass}.on_success(res={res})',
klass=self.__class__.__name__,
res=pformat(res))
session_details, result = res
if cmd == 'auth':
self._print_welcome(url, session_details)
elif cmd == 'shell':
# click.clear()
self._print_welcome(url, session_details)
# FIXME:
# prompt_kwargs = {
# 'history': self._history,
# }
#
# from crossbar.shell import repl
#
# shell_task = loop.create_task(
# repl.repl(
# ctx,
# get_bottom_toolbar_tokens=self._get_bottom_toolbar_tokens,
# # get_prompt_tokens=self._get_prompt_tokens,
# style=self._style,
# prompt_kwargs=prompt_kwargs))
#
# try:
# loop.run_until_complete(shell_task)
# except Exception as e:
# print(e)
else:
if result:
self._output_result(result)
def on_error(err):
self.log.warn('{klass}.on_error(err={err})',
klass=self.__class__.__name__,
err=err)
if isinstance(err, Failure):
err = err.value
if isinstance(err, ApplicationError):
self.log.warn('{message} - {error}',
message=err.args[0] if err.args else '',
error=err.error)
# some ApplicationErrors are actually signaling progress
# in the authentication flow, some are real errors
exit_code = None
if err.error.startswith('fabric.auth-failed.'):
error = err.error.split('.')[2]
message = err.args[0]
if error == 'new-user-auth-code-sent':
click.echo(
'\nThanks for registering! {}'.format(message))
click.echo(
style_ok(
'Please check your inbox and run "crossbar shell auth --code <THE CODE YOU GOT BY EMAIL>.\n'
))
elif error == 'registered-user-auth-code-sent':
click.echo('\nWelcome back! {}'.format(message))
click.echo(
style_ok(
'Please check your inbox and run "crossbar shell auth --code <THE CODE YOU GOT BY EMAIL>.\n'
))
elif error == 'pending-activation':
click.echo()
click.echo(style_ok(message))
click.echo()
click.echo(
'Tip: to activate, run "crossbar shell auth --code <THE CODE YOU GOT BY EMAIL>"'
)
click.echo(
'Tip: you can request sending a new code with "crossbar shell auth --new-code"'
)
click.echo()
elif error == 'no-pending-activation':
exit_code = 1
click.echo()
click.echo(
style_error('{} [{}]'.format(message, err.error)))
click.echo()
elif error == 'email-failure':
exit_code = 1
click.echo()
click.echo(
style_error('{} [{}]'.format(message, err.error)))
click.echo()
elif error == 'invalid-activation-code':
exit_code = 1
click.echo()
click.echo(
style_error('{} [{}]'.format(message, err.error)))
click.echo()
else:
exit_code = 1
click.echo(style_error('{}'.format(error)))
click.echo(style_error(message))
elif err.error.startswith('crossbar.error.'):
error = err.error.split('.')[2]
message = err.args[0]
if error == 'invalid_configuration':
click.echo()
click.echo(
style_error('{} [{}]'.format(message, err.error)))
click.echo()
else:
exit_code = 1
click.echo(
style_error('{} [{}]'.format(message, err.error)))
else:
click.echo(style_error('{}'.format(err)))
exit_code = 1
if exit_code:
raise SystemExit(exit_code)
else:
click.echo(style_error('{}'.format(err)))
raise SystemExit(1)
txaio.add_callbacks(done, on_success, on_error)
def doit(reactor):
return done
react(doit)
def add(line):
if line in already:
return
already.add(line)
warnings.append(line)
pp.stdout.seek(0)
for line in pp.stdout.readlines():
if match(line):
add(line) # includes newline
pp.stderr.seek(0)
for line in pp.stderr.readlines():
if match(line):
add(line)
if warnings:
if config["warnings"]:
with open(config["warnings"], "wb") as f:
print("".join(warnings), file=f)
print("ERROR: %d deprecation warnings found" % len(warnings))
sys.exit(1)
print("no deprecation warnings")
if signal:
sys.exit(signal)
sys.exit(rc)
task.react(run_command)
def connectionMade(self):
self.sendLine(b"plain text")
self.sendLine(b"STARTTLS")
def lineReceived(self, line):
print("received: ", line)
if line == b"READY":
self.transport.startTLS(self.factory.options)
self.sendLine(b"secure text")
self.transport.loseConnection()
@defer.inlineCallbacks
def main(reactor):
factory = protocol.Factory.forProtocol(StartTLSClient)
certData = getModule(__name__).filePath.sibling("server.pem").getContent()
factory.options = ssl.optionsForClientTLS(
"example.com", ssl.PrivateCertificate.loadPEM(certData))
endpoint = endpoints.HostnameEndpoint(reactor, "localhost", 8000)
startTLSClient = yield endpoint.connect(factory)
done = defer.Deferred()
startTLSClient.connectionLost = lambda reason: done.callback(None)
yield done
if __name__ == "__main__":
import starttls_client
task.react(starttls_client.main)
# print("Send back the ANNOTATED info took {} seconds.".format(
# time.time() - start))
# start = time.time()
if args.verbose:
print("One frame took {} seconds. fps= {}".format(
time.time() - framestart, 1 / (time.time() - framestart)))
print(
"=================================================================="
)
msg = {
"type": "ANNOTATED",
"content": NameAndBB,
"fps": 1 / (time.time() - framestart)
}
self.sendMessage(json.dumps(msg))
def main(reactor):
log.startLogging(sys.stdout)
factory = WebSocketServerFactory()
factory.protocol = OpenFaceServerProtocol
ctx_factory = DefaultOpenSSLContextFactory(tls_key, tls_crt)
reactor.listenSSL(args.port, factory, ctx_factory)
return defer.Deferred()
if __name__ == '__main__':
task.react(main)
@inlineCallbacks
def main(reactor, context):
try:
kubeconfig = environ["KUBECONFIG"]
except KeyError:
config_paths = [None]
else:
config_paths = kubeconfig.split(":")
kubernetes = None
for config_path in config_paths:
try:
kubernetes = network_kubernetes_from_context(reactor, context)
except PyKubeError:
continue
else:
break
if kubernetes is None:
raise SystemExit("Cannot find Kubernetes context {}".format(context))
client = yield kubernetes.client()
model = client.model
cfg = model.iobject_to_raw(configmap(model, dashboard()))
print(dumps(cfg))
if __name__ == '__main__':
react(main, argv[1:])
mime_msg = MIMEMultipart('alternative')
message["Subject"] = "Twisted is great!"
message["From"] = me
message["To"] = ", ".join(to)
mime_msg.attach(message)
def main(reactor):
d = sendmail(b"exchange.profires.cz",
b"*****@*****.**",
to,
message)
d.addBoth(print)
return d
react(main)
class Attachment(object):
def __init__(self, name, path):
pass
class Email(object):
HTML_TEMPLATE = ''
TXT_TEMPLATE = ''
def __init__(
self,
## <h1 style="valign:center;">async def, await</h1>
from twisted.internet.defer import ensureDeferred, Deferred
from twisted.internet.task import react
async def main(reactor):
d = Deferred()
reactor.callLater(1, d.callback, None)
print("scheduled callback")
await d
print("done")
if __name__ == '__main__':
def _main(reactor):
return ensureDeferred(main(reactor))
react(_main)
## show-output
def success(args, hostname):
errorStatus, errorIndex, varBinds = args
if errorStatus:
print('%s: %s at %s' %
(hostname, errorStatus.prettyPrint(),
errorIndex and varBinds[int(errorIndex) - 1][0] or '?'))
else:
for varBind in varBinds:
print(' = '.join([x.prettyPrint() for x in varBind]))
def failure(errorIndication, hostname):
print('%s failure: %s' % (hostname, errorIndication))
# noinspection PyUnusedLocal
def getSysDescr(reactor, hostname):
deferred = getCmd(SnmpEngine(), CommunityData('public', mpModel=0),
UdpTransportTarget((hostname, 161)), ContextData(),
ObjectType(ObjectIdentity('SNMPv2-MIB', 'sysDescr', 0)))
deferred.addCallback(success, hostname).addErrback(failure, hostname)
return deferred
react(getSysDescr, ['demo.snmplabs.com'])
def dispatch(args=None):
"""
this is the main program; see __main__.py
"""
if args is None:
args = sys.argv
global _log_observer
options = Options()
try:
options.parseOptions(args[1:])
except (usage.UsageError, RuntimeError) as e:
print(options.getUsage())
print(util.colors.red('Error: ') + str(e), file=sys.stderr)
sys.exit(128)
except Exception as e:
print('Unknown error:', e)
sys.exit(200)
if options['color'] == 'never' or options['no-color'] or \
(options['color'] == 'auto' and not sys.stdin.isatty()):
util.turn_off_color()
if options.subCommand is None:
print(options)
return
sub = options.commands[options.subCommand]
try:
sub.validate(options.subOptions, options)
except Exception as e:
print(options.getUsage())
print(util.colors.red('Error: ') + str(e), file=sys.stderr)
if options['debug']:
raise e
return
build_state = sub.build_state
show_general_info = options['info']
endpoint = options['connect']
try:
endpoint = endpoints.clientFromString(reactor, options['connect'])
except ValueError:
try:
endpoint = endpoints.clientFromString(reactor,
'tcp:' + options['connect'])
except TypeError:
endpoint = endpoints.clientFromString(
reactor, 'tcp:localhost:' + options['connect'])
if options['timestamps']:
_log_observer.timestamp = True
if sub.controller_connection:
d = txtorcon.build_tor_connection(endpoint, build_state=build_state)
elif sub.build_state:
raise RuntimeError(
"Internal error: subcommand can't set build_state=True with controller_connection=False"
)
else:
d = defer.succeed(None)
show_general_info = False
if show_general_info:
d.addCallback(general_information, True)
d.addCallback(
lambda arg: ICarmlCommand(sub).run(options.subOptions, options, arg))
d.addErrback(setup_failed, options['debug'])
if options['debug']:
def dump_heap():
from guppy import hpy
print(hpy().heap())
d.addCallback(lambda _: dump_heap())
# task.react needs a function that returns a Deferred
task.react(lambda _: d)
#!/usr/bin/env python
# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.
from __future__ import print_function
if __name__ == '__main__':
import sys
import echoclient_ssh
from twisted.internet.task import react
react(echoclient_ssh.main, sys.argv[1:])
import os, getpass
from twisted.python.filepath import FilePath
from twisted.python.usage import Options
from twisted.internet.defer import Deferred
from twisted.internet.protocol import Factory, Protocol
from twisted.internet.endpoints import UNIXClientEndpoint
from twisted.conch.ssh.keys import EncryptedKeyError, Key
from twisted.conch.client.knownhosts import KnownHostsFile
from twisted.conch.endpoints import SSHCommandClientEndpoint
class EchoOptions(Options):
optParameters = [
("host", "h", "localhost",
"hostname of the SSH server to which to connect"),
("port", "p", 22, "port number of SSH server to which to connect",
int),
("username", "u", getpass.getuser(),
"username with which to authenticate with the SSH server"),
def _main():
react(main, sys.argv[1:])
if errorStatus:
print('%s: %s at %s' % (hostname,
errorStatus.prettyPrint(),
errorIndex and varBindTable[0][int(errorIndex) - 1][0] or '?'))
else:
for varBindRow in varBindTable:
for varBind in varBindRow:
print(' = '.join([x.prettyPrint() for x in varBind]))
if not isEndOfMib(varBindTable[-1]):
return getbulk(reactor, snmpEngine, *varBindTable[-1])
def failure(errorIndication):
print(errorIndication)
def getbulk(reactor, snmpEngine, varBinds):
d = bulkCmd(snmpEngine,
UsmUserData('usr-none-none'),
UdpTransportTarget(('demo.snmplabs.com', 161)),
ContextData(),
0, 50,
varBinds)
d.addCallback(success, reactor, snmpEngine).addErrback(failure)
return d
react(getbulk, [SnmpEngine(), ObjectType(ObjectIdentity('SNMPv2-MIB', 'system'))])
print("Authenticated.")
presence = domish.Element((None, 'presence'))
xs.send(presence)
self.reactor.callLater(5, xs.sendFooter)
def init_failed(self, failure):
print("Initialization failed.")
print(failure)
self.xmlstream.sendFooter()
def main(reactor, jid, secret):
"""
Connect to the given Jabber ID and return a L{Deferred} which will be
called back when the connection is over.
@param reactor: The reactor to use for the connection.
@param jid: A L{JID} to connect to.
@param secret: A C{str}
"""
return Client(reactor, JID(jid), secret).finished
if __name__ == '__main__':
react(main, sys.argv[1:])
parser.add_argument(
"endpoint",
action="store",
help="The Active Directory service endpoint. See "
"https://twistedmatrix.com/documents/current/core/howto/endpoints.html#clients"
)
parser.add_argument("bind_dn",
action="store",
help="The DN to BIND to the service as.")
parser.add_argument(
"passwd_file",
action="store",
type=argparse.FileType('r'),
help="A file containing the password used to log into the service.")
parser.add_argument("base_dn",
action="store",
help="The base DN to start from when searching.")
parser.add_argument("-f", "--filter", action='store', help='LDAP filter')
parser.add_argument("-p",
"--page-size",
type=int,
action='store',
default=100,
help='Page size (default 100).')
parser.add_argument(
"--start-tls",
action="store_true",
help="Request StartTLS after connecting to the service.")
args = parser.parse_args()
react(main, [args])
for varBindRow in varBindTable:
for varBind in varBindRow:
print(' = '.join([x.prettyPrint() for x in varBind]))
if not isEndOfMib(varBindTable[-1]):
return getbulk(reactor, snmpEngine, hostname, *varBindTable[-1])
def failure(errorIndication):
print(errorIndication)
def getbulk(reactor, snmpEngine, hostname, varBinds):
d = bulkCmd(snmpEngine, UsmUserData('usr-md5-none', 'authkey1'),
UdpTransportTarget(hostname), ContextData(), 0, 25, varBinds)
d.addCallback(success, reactor, snmpEngine, hostname).addErrback(failure)
return d
def getall(reactor, hostnames):
snmpEngine = SnmpEngine()
return DeferredList([
getbulk(reactor, snmpEngine, hostname,
ObjectType(ObjectIdentity('SNMPv2-MIB', 'system')))
for hostname in hostnames
])
react(getall, [(('demo.snmplabs.com', 161), ('demo.snmplabs.com', 1161))])
def go(f, cfg):
# note: react() does not return
return react(_dispatch_command, (cfg, lambda: f(cfg)))
from txkoji import Connection
from twisted.internet import defer
from twisted.internet.task import react
@defer.inlineCallbacks
def example(reactor):
koji = Connection('fedora')
name = yield koji.cache.tag_name(197)
# "rawhide"
print('tag name: %s' % name)
if __name__ == '__main__':
react(example)
from otter.util.http import append_segments, check_success, headers
def get_tenant_ids(token, catalog):
endpoint = public_endpoint_url(catalog, "cloudMetrics", "IAD")
d = treq.get(append_segments(endpoint, "metrics", "search"),
headers=headers(token),
params={"query": "*.*.desired"})
d.addCallback(check_success, [200])
d.addCallback(treq.json_content)
d.addCallback(lambda body: [item["metric"].split(".")[1] for item in body])
return d
@inlineCallbacks
def main(reactor):
conf = json.load(open(sys.argv[1]))
conf = conf["default_attributes"]["otter"]["config"]
conf["identity"]["strategy"] = "single_tenant"
conf["identity"]["username"] = os.environ["OTTERPROD_UNAME"]
conf["identity"]["password"] = os.environ["OTTERPROD_PWD"]
authenticator = generate_authenticator(reactor, conf["identity"])
token, catalog = yield authenticator.authenticate_tenant("764771")
all_tenants = set((yield get_tenant_ids(token, catalog)))
worker_tenants = all_tenants - set(conf["convergence-tenants"])
print(*worker_tenants, sep='\n')
if __name__ == '__main__':
task.react(main, ())
def main():
# logging.basicConfig(level=logging.DEBUG)
task.react(Producer().run)
def start(config_options):
parser = argparse.ArgumentParser(description="Synapse Admin Command")
HomeServerConfig.add_arguments_to_parser(parser)
subparser = parser.add_subparsers(
title="Admin Commands",
required=True,
dest="command",
metavar="<admin_command>",
help="The admin command to perform.",
)
export_data_parser = subparser.add_parser(
"export-data", help="Export all data for a user")
export_data_parser.add_argument("user_id", help="User to extra data from")
export_data_parser.add_argument(
"--output-directory",
action="store",
metavar="DIRECTORY",
required=False,
help=
"The directory to store the exported data in. Must be empty. Defaults"
" to creating a temp directory.",
)
export_data_parser.set_defaults(func=export_data_command)
try:
config, args = HomeServerConfig.load_config_with_parser(
parser, config_options)
except ConfigError as e:
sys.stderr.write("\n" + str(e) + "\n")
sys.exit(1)
if config.worker_app is not None:
assert config.worker_app == "synapse.app.admin_cmd"
# Update the config with some basic overrides so that don't have to specify
# a full worker config.
config.worker_app = "synapse.app.admin_cmd"
if (not config.worker_daemonize and not config.worker_log_file
and not config.worker_log_config):
# Since we're meant to be run as a "command" let's not redirect stdio
# unless we've actually set log config.
config.no_redirect_stdio = True
# Explicitly disable background processes
config.update_user_directory = False
config.run_background_tasks = False
config.start_pushers = False
config.pusher_shard_config.instances = []
config.send_federation = False
config.federation_shard_config.instances = []
synapse.events.USE_FROZEN_DICTS = config.use_frozen_dicts
ss = AdminCmdServer(
config.server_name,
config=config,
version_string="Synapse/" + get_version_string(synapse),
)
setup_logging(ss, config, use_worker_options=True)
ss.setup()
# We use task.react as the basic run command as it correctly handles tearing
# down the reactor when the deferreds resolve and setting the return value.
# We also make sure that `_base.start` gets run before we actually run the
# command.
async def run():
with LoggingContext("command"):
_base.start(ss)
await args.func(ss, args)
_base.start_worker_reactor(
"synapse-admin-cmd",
config,
run_command=lambda: task.react(lambda _reactor: defer.ensureDeferred(
run())),
)
def entry():
"""This is used by a setuptools entry_point. When invoked this way,
setuptools has already put the installed package on sys.path ."""
react(run,
(sys.argv[1:], os.getcwd(), sys.stdout, sys.stderr, sys.argv[0]))
def _main():
"""
This is a magic name for `python -m autobahn`, and specified as
our entry_point in setup.py
"""
react(_real_main)
print("FAILED:", e)
success = False
for p in [front_proto, back_proto]:
try:
p.transport.signalProcess('KILL')
except ProcessExitedAlready:
pass
if not success:
break
yield sleep(1)
print("Killing crossbar")
try:
cb_proto.transport.signalProcess('KILL')
yield cb_proto.all_done
except:
pass
if success:
print()
print("Success!")
print(" ...all the examples neither crashed nor burned...")
returnValue(0)
returnValue(5)
from twisted.internet.task import react
if __name__ == '__main__':
sys.exit(react(main))
#!/usr/bin/env python
# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.
from twisted.internet import ssl, task, protocol, endpoints, defer
from twisted.python.modules import getModule
import echoclient
@defer.inlineCallbacks
def main(reactor):
factory = protocol.Factory.forProtocol(echoclient.EchoClient)
certData = getModule(__name__).filePath.sibling("public.pem").getContent()
authority = ssl.Certificate.loadPEM(certData)
options = ssl.optionsForClientTLS("example.com", authority)
endpoint = endpoints.SSL4ClientEndpoint(reactor, "localhost", 8000, options)
echoClient = yield endpoint.connect(factory)
done = defer.Deferred()
echoClient.connectionLost = lambda reason: done.callback(None)
yield done
if __name__ == "__main__":
import echoclient_ssl
task.react(echoclient_ssl.main)
def add2(a, b):
return a + b
yield self.register(add2, 'com.example.add2')
try:
res = yield self.call('com.example.add2', 2, 3)
print("result: {}".format(res))
except Exception as e:
print("error: {}".format(e))
finally:
print('leaving ..')
#self.leave()
def on_leave(self, details):
print('on_leave xx: {}'.format(details))
self.disconnect()
def on_disconnect(self):
print('on_disconnect')
if __name__ == '__main__':
transports = 'ws://localhost:8080/ws'
connection = Connection(transports=transports)
connection.session = MySession
react(connection.start)
def main():
react(_main, sys.argv[1:])
# ==============================================================================
if __name__ == '__main__':
from threaded_ping_server import start_ping_servers, stop_ping_servers
logging.basicConfig(
level=logging.DEBUG,
format='%(asctime)s |%(name)40s |%(message)s',
datefmt='%H:%M:%S',
stream=sys.stderr,
)
address = ('localhost', 5670)
servers = start_ping_servers([(address, '10.0.2.15')])
try:
task.react(main, argv=[address])
finally:
stop_ping_servers(servers)
'''
LOG OUTPUT
10:53:39 | threaded.ping.tcp-server(5670) |Ping Sim started at tcp://localhost:5670
10:53:39 | moler.runner.thread-pool |created
10:53:39 | moler.runner.thread-pool |created own executor <concurrent.futures.thread.ThreadPoolExecutor object at 0x7fde953e93c8>
10:53:39 | moler.user.app-code |waiting for data to observe
10:53:39 | twisted.tcp-connection |... connected to tcp://127.0.0.1:5670
10:53:39 |threaded.ping.tcp-server(5670 -> 35996) |connection accepted - client at tcp://127.0.0.1:35996
10:53:39 | twisted.tcp-connection |<<< b'\n'
10:53:39 | moler.7fde953e95c0 |
10:53:40 | twisted.tcp-connection |<<< b'greg@debian:~$ ping 10.0.2.15\n'
10:53:40 | moler.7fde953e95c0 |greg@debian:~$ ping 10.0.2.15
params={
'foo': 'bar',
'baz': 'bax'
})
content = yield treq.content(resp)
print content
print 'Multi value dictionary'
resp = yield treq.get('http://httpbin.org/get',
params={'foo': ['bar', 'baz', 'bax']})
content = yield treq.content(resp)
print content
print 'Mixed value dictionary'
resp = yield treq.get('http://httpbin.org/get',
params={
'foo': ['bar', 'baz'],
'bax': 'quux'
})
content = yield treq.content(resp)
print content
print 'Preserved query parameters'
resp = yield treq.get('http://httpbin.org/get?foo=bar',
params={'baz': 'bax'})
content = yield treq.content(resp)
print content
react(main, [])
def run():
task.react(oonireport)
def change(job):
print job
def showResult(job):
print 'Result of %r: %r' % (job, job.result)
def main(reactor, amp_endpoint):
log.startLogging(sys.stdout)
pool = MinerPool()
# start the AMP server
amp_factory = ServerFactory(pool)
amp_ep = endpoints.serverFromString(reactor, amp_endpoint)
amp_ep.listen(amp_factory)
jobs = [
Job('a' * 40, 1, 1000),
Job('b' * 40, 1, 10000),
Job('c' * 40, 1, 10000),
]
for job in jobs:
job.notifyOfChange(change)
job.done.addCallback(showResult)
return defer.gatherResults(map(pool.mine, jobs))
task.react(main, sys.argv[1:])