def write_connection_file(self):
"""write connection info to JSON file"""
cf = self.abs_connection_file
self.log.debug("Writing connection file: %s", cf)
write_connection_file(cf, ip=self.ip, key=self.session.key, transport=self.transport,
shell_port=self.shell_port, stdin_port=self.stdin_port, hb_port=self.hb_port,
iopub_port=self.iopub_port, control_port=self.control_port)
def write_connection_file(self):
"""write connection info to JSON file"""
cf = self.abs_connection_file
self.log.debug("Writing connection file: %s", cf)
write_connection_file(cf, ip=self.ip, key=self.session.key, transport=self.transport,
shell_port=self.shell_port, stdin_port=self.stdin_port, hb_port=self.hb_port,
iopub_port=self.iopub_port, control_port=self.control_port)
def write_connection_file(self):
"""Write connection info to JSON dict in self.connection_file."""
if self._connection_file_written:
return
self.connection_file,cfg = write_connection_file(self.connection_file,
transport=self.transport, ip=self.ip, key=self.session.key,
stdin_port=self.stdin_port, iopub_port=self.iopub_port,
shell_port=self.shell_port, hb_port=self.hb_port)
# write_connection_file also sets default ports:
self.shell_port = cfg['shell_port']
self.stdin_port = cfg['stdin_port']
self.iopub_port = cfg['iopub_port']
self.hb_port = cfg['hb_port']
self._connection_file_written = True
hb_ctx = zmq.Context()
heartbeat = Heartbeat(hb_ctx, (transport, ip, 0))
hb_port = heartbeat.port
heartbeat.start()
shell_stream = ZMQStream(shell_socket)
control_stream = ZMQStream(control_socket)
kernel = Kernel(session=session,
shell_streams=[shell_stream, control_stream],
iopub_socket=iopub_socket,
log=logger)
write_connection_file(connection_file,
shell_port=shell_port, iopub_port=iopub_port, control_port=control_port, hb_port=hb_port,
ip=ip)
print "To connect another client to this IPython kernel, use:", \
"ipython console --existing %s" % connection_file
except Exception, e:
print "Exception while initializing IPython ZMQ kernel. %s" % e
return
def ipython_thread():
kernel.start()
try:
ioloop.IOLoop.instance().start()
except KeyboardInterrupt:
pass
def initIPythonKernel():
# You can remotely connect to this kernel. See the output on stdout.
try:
import IPython.kernel.zmq.ipkernel
from IPython.kernel.zmq.ipkernel import Kernel
from IPython.kernel.zmq.heartbeat import Heartbeat
from IPython.kernel.zmq.session import Session
from IPython.kernel import write_connection_file
import zmq
from zmq.eventloop import ioloop
from zmq.eventloop.zmqstream import ZMQStream
IPython.kernel.zmq.ipkernel.signal = lambda sig, f: None # Overwrite.
except ImportError as e:
print("IPython import error, cannot start IPython kernel. %s" % e)
return
import atexit
import socket
import logging
import threading
# Do in mainthread to avoid history sqlite DB errors at exit.
# https://github.com/ipython/ipython/issues/680
assert isinstance(threading.currentThread(), threading._MainThread)
try:
ip = socket.gethostbyname(socket.gethostname())
connection_file = "ipython-kernel-%s-%s.json" % (ip, os.getpid())
def cleanup_connection_file():
try:
os.remove(connection_file)
except (IOError, OSError):
pass
atexit.register(cleanup_connection_file)
logger = logging.Logger("IPython")
logger.addHandler(logging.NullHandler())
session = Session(username=u'kernel')
context = zmq.Context.instance()
transport = "tcp"
addr = "%s://%s" % (transport, ip)
shell_socket = context.socket(zmq.ROUTER)
shell_port = shell_socket.bind_to_random_port(addr)
iopub_socket = context.socket(zmq.PUB)
iopub_port = iopub_socket.bind_to_random_port(addr)
control_socket = context.socket(zmq.ROUTER)
control_port = control_socket.bind_to_random_port(addr)
hb_ctx = zmq.Context()
heartbeat = Heartbeat(hb_ctx, (transport, ip, 0))
hb_port = heartbeat.port
heartbeat.start()
shell_stream = ZMQStream(shell_socket)
control_stream = ZMQStream(control_socket)
kernel = Kernel(session=session,
shell_streams=[shell_stream, control_stream],
iopub_socket=iopub_socket,
log=logger)
write_connection_file(connection_file,
shell_port=shell_port,
iopub_port=iopub_port,
control_port=control_port,
hb_port=hb_port,
ip=ip)
#print "To connect another client to this IPython kernel, use:", \
# "ipython console --existing %s" % connection_file
except Exception as e:
print("Exception while initializing IPython ZMQ kernel. %s" % e)
return
def ipython_thread():
kernel.start()
try:
ioloop.IOLoop.instance().start()
except KeyboardInterrupt:
pass
thread = threading.Thread(target=ipython_thread, name="IPython kernel")
thread.daemon = True
thread.start()
hb_ctx = zmq.Context()
heartbeat = Heartbeat(hb_ctx, (transport, ip, 0))
hb_port = heartbeat.port
heartbeat.start()
shell_stream = ZMQStream(shell_socket)
control_stream = ZMQStream(control_socket)
kernel = Kernel(session=session,
shell_streams=[shell_stream, control_stream],
iopub_socket=iopub_socket,
log=logger)
write_connection_file(connection_file,
shell_port=shell_port,
iopub_port=iopub_port,
control_port=control_port,
hb_port=hb_port,
ip=ip)
print "To connect another client to this IPython kernel, use:", \
"ipython console --existing %s" % connection_file
except Exception, e:
print "Exception while initializing IPython ZMQ kernel. %s" % e
return
def ipython_thread():
kernel.start()
try:
ioloop.IOLoop.instance().start()
except KeyboardInterrupt:
pass
def init_ipython_kernel():
"""
Runs IPython in some background kernel, where you can connect to.
"""
# You can remotely connect to this kernel. See the output on stdout.
try:
# noinspection PyPackageRequirements,PyUnresolvedReferences
import IPython.kernel.zmq.ipkernel
# noinspection PyPackageRequirements,PyUnresolvedReferences
from IPython.kernel.zmq.ipkernel import Kernel
# noinspection PyPackageRequirements,PyUnresolvedReferences
from IPython.kernel.zmq.heartbeat import Heartbeat
# noinspection PyPackageRequirements,PyUnresolvedReferences
from IPython.kernel.zmq.session import Session
# noinspection PyPackageRequirements,PyUnresolvedReferences
from IPython.kernel import write_connection_file
# noinspection PyPackageRequirements,PyUnresolvedReferences
import zmq
# noinspection PyPackageRequirements,PyUnresolvedReferences
from zmq.eventloop import ioloop
# noinspection PyPackageRequirements,PyUnresolvedReferences
from zmq.eventloop.zmqstream import ZMQStream
# noinspection PyPackageRequirements,PyUnresolvedReferences
IPython.kernel.zmq.ipkernel.signal = lambda sig, f: None # Overwrite.
except ImportError as e:
print("IPython import error, cannot start IPython kernel. %s" % e)
return
import atexit
import socket
import logging
import threading
# Do in mainthread to avoid history sqlite DB errors at exit.
# https://github.com/ipython/ipython/issues/680
# noinspection PyUnresolvedReferences,PyProtectedMember
assert isinstance(threading.currentThread(), threading._MainThread)
try:
ip = socket.gethostbyname(socket.gethostname())
connection_file = "ipython-kernel-%s-%s.json" % (ip, os.getpid())
def cleanup_connection_file():
"""
Cleanup.
"""
try:
os.remove(connection_file)
except (IOError, OSError):
pass
atexit.register(cleanup_connection_file)
logger = logging.Logger("IPython")
logger.addHandler(logging.NullHandler())
session = Session(username=u'kernel')
context = zmq.Context.instance()
transport = "tcp"
addr = "%s://%s" % (transport, ip)
shell_socket = context.socket(zmq.ROUTER)
shell_port = shell_socket.bind_to_random_port(addr)
iopub_socket = context.socket(zmq.PUB)
iopub_port = iopub_socket.bind_to_random_port(addr)
control_socket = context.socket(zmq.ROUTER)
control_port = control_socket.bind_to_random_port(addr)
hb_ctx = zmq.Context()
heartbeat = Heartbeat(hb_ctx, (transport, ip, 0))
hb_port = heartbeat.port
heartbeat.start()
shell_stream = ZMQStream(shell_socket)
control_stream = ZMQStream(control_socket)
kernel = Kernel(session=session,
shell_streams=[shell_stream, control_stream],
iopub_socket=iopub_socket,
log=logger)
write_connection_file(connection_file,
shell_port=shell_port, iopub_port=iopub_port, control_port=control_port, hb_port=hb_port,
ip=ip)
# print "To connect another client to this IPython kernel, use:", \
# "ipython console --existing %s" % connection_file
except Exception as e:
print("Exception while initializing IPython ZMQ kernel. %s" % e)
return
def ipython_thread():
"""
IPython thread.
"""
kernel.start()
try:
ioloop.IOLoop.instance().start()
except KeyboardInterrupt:
pass
thread_ = threading.Thread(target=ipython_thread, name="IPython kernel")
thread_.daemon = True
thread_.start()