def run(self):
global logger
logger = log.kernel_logger.getChild(str(os.getpid()))
logger.debug("forked kernel is running")
log.std_redirect(logger)
# Become a group leader for cleaner exit.
os.setpgrp()
dir = os.path.join(self.dir, self.id)
try:
os.mkdir(dir)
except OSError as e:
if e.errno != errno.EEXIST:
raise
os.chdir(dir)
#config = traitlets.config.loader.Config({"ip": self.ip})
#config.HistoryManager.enabled = False
app = IPKernelApp.instance(log=logger)
from namespace import InstrumentedNamespace
app.user_ns = InstrumentedNamespace()
app.initialize([]) # Redirects stdout/stderr
#log.std_redirect(logger) # Uncomment for debugging
# This function should be called via atexit, but it isn't, perhaps due
# to forking. Stale connection files do cause problems.
app.cleanup_connection_file()
kernel_init.initialize(app.kernel)
for r, limit in self.rlimits.iteritems():
resource.setrlimit(getattr(resource, r), (limit, limit))
logger.debug("kernel ready")
context = zmq.Context.instance()
socket = context.socket(zmq.PUSH)
socket.connect("tcp://localhost:{}".format(self.waiter_port))
socket.send_json({
"id": self.id,
"connection": {
"key": app.session.key,
"ip": app.ip,
"hb": app.hb_port,
"iopub": app.iopub_port,
"shell": app.shell_port,
},
"rlimits": self.rlimits,
})
def signal_handler(signum, frame):
logger.info("received %s, shutting down", signum)
# TODO: this may not be the best way to do it.
app.kernel.do_shutdown(False)
signal.signal(signal.SIGTERM, signal_handler)
app.start()
logger.debug("Kernel.run finished")
def run(self):
global logger
logger = log.kernel_logger.getChild(str(os.getpid()))
logger.debug("forked kernel is running")
log.std_redirect(logger)
# Become a group leader for cleaner exit.
os.setpgrp()
dir = os.path.join(self.dir, self.id)
try:
os.mkdir(dir)
except OSError as e:
if e.errno != errno.EEXIST:
raise
os.chdir(dir)
#config = traitlets.config.loader.Config({"ip": self.ip})
#config.HistoryManager.enabled = False
app = IPKernelApp.instance(log=logger)
from namespace import InstrumentedNamespace
app.user_ns = InstrumentedNamespace()
app.initialize([]) # Redirects stdout/stderr
#log.std_redirect(logger) # Uncomment for debugging
# This function should be called via atexit, but it isn't, perhaps due
# to forking. Stale connection files do cause problems.
app.cleanup_connection_file()
kernel_init.initialize(app.kernel)
for r, limit in self.rlimits.iteritems():
resource.setrlimit(getattr(resource, r), (limit, limit))
logger.debug("kernel ready")
context = zmq.Context.instance()
socket = context.socket(zmq.PUSH)
socket.connect("tcp://localhost:{}".format(self.waiter_port))
socket.send_json({
"id": self.id,
"connection": {
"key": app.session.key,
"ip": app.ip,
"hb": app.hb_port,
"iopub": app.iopub_port,
"shell": app.shell_port,
},
"rlimits": self.rlimits,
})
def signal_handler(signum, frame):
logger.info("received %s, shutting down", signum)
# TODO: this may not be the best way to do it.
app.kernel.do_shutdown(False)
signal.signal(signal.SIGTERM, signal_handler)
app.start()
logger.debug("Kernel.run finished")
try:
sage.all.plot(1, (0, 1))
except Exception:
logger.exception("plotting exception")
if __name__ == "__main__":
parser = argparse.ArgumentParser(
description="Launch a kernel provider for SageMathCell")
parser.add_argument("--address",
help="address of the kernel dealer (defaults to $SSH_CLIENT)")
parser.add_argument("port", type=int,
help="port of the kernel dealer")
parser.add_argument("dir",
help="directory name for user files saved by kernels")
args = parser.parse_args()
log.std_redirect(logger)
address = args.address or os.environ["SSH_CLIENT"].split()[0]
if ":" in address:
address = "[{}]".format(address)
address = "tcp://{}:{}".format(address, args.port)
provider = KernelProvider(address, args.dir)
def signal_handler(signum, frame):
logger.info("received %s, shutting down", signum)
provider.stop()
signal.signal(signal.SIGTERM, signal_handler)
provider.start()
try:
sage.all.plot(1, (0, 1))
except Exception:
logger.exception("plotting exception")
if __name__ == "__main__":
parser = argparse.ArgumentParser(
description="Launch a kernel provider for SageMathCell")
parser.add_argument(
"--address",
help="address of the kernel dealer (defaults to $SSH_CLIENT)")
parser.add_argument("port", type=int, help="port of the kernel dealer")
parser.add_argument("dir",
help="directory name for user files saved by kernels")
args = parser.parse_args()
log.std_redirect(logger)
address = args.address or os.environ["SSH_CLIENT"].split()[0]
if ":" in address:
address = "[{}]".format(address)
address = "tcp://{}:{}".format(address, args.port)
provider = KernelProvider(address, args.dir)
def signal_handler(signum, frame):
logger.info("received %s, shutting down", signum)
provider.stop()
signal.signal(signal.SIGTERM, signal_handler)
provider.start()