def __init__(self, **kw):
"""Initializes the notebook runner.
Requires config rcloud_python_lib_path -- or raises exception"""
self.km = KernelManager()
self.km.kernel_cmd = make_ipkernel_cmd("""
import sys;
import time; # to test for slow staring kernels, add a delay here
sys.path.extend("{RCPATH}".split(":"));
from rcloud_kernel import main;
main()""".format(RCPATH=kw["rcloud_python_lib_path"]), **kw)
del kw["rcloud_python_lib_path"]
self.km.client_factory = MyClient
self.km.start_kernel(**kw) # This is a non-blocking call to launch the process
self.completer = completer.Completer()
self.completer.limit_to__all__ = True
# There is a possible race condition if the system is slow to load
# the modules for the kernel and we issue commands to the kernel rightaway.
# We saw these on CentOS and OSX. So, issue an empty command to the kernel and wait for return
self.kc = self.km.client()
self.kc.start_channels()
self.shell = self.kc.shell_channel
self.shell.execute("")
_ = self.shell.get_msgs()
self.iopub = self.kc.iopub_channel
def __init__(self, **kw):
"""Initializes the notebook runner.
Requires config rcloud_python_lib_path -- or raises exception"""
self.km = KernelManager()
self.km.kernel_cmd = make_ipkernel_cmd("""
import sys;
sys.path.extend("{RCPATH}".split(":"));
from rcloud_kernel import main;
main()""".format(RCPATH=kw["rcloud_python_lib_path"]), **kw)
del kw["rcloud_python_lib_path"]
self.km.client_factory = MyClient
self.km.start_kernel(**kw)
if platform.system() == 'Darwin':
# There is sometimes a race condition where the first
# execute command hits the kernel before it's ready.
# It appears to happen only on Darwin (Mac OS) and an
# easy (but clumsy) way to mitigate it is to sleep
# for a second.
sleep(1)
self.kc = self.km.client()
self.kc.start_channels()
self.shell = self.kc.shell_channel
self.iopub = self.kc.iopub_channel
def __init__(self, **kw):
"""Initializes the notebook runner.
Requires config rcloud_python_lib_path -- or raises exception"""
self.km = KernelManager()
self.km.kernel_cmd = make_ipkernel_cmd(
"""
import sys;
import time; # to test for slow staring kernels, add a delay here
sys.path.extend("{RCPATH}".split(":"));
from rcloud_kernel import main;
main()""".format(RCPATH=kw["rcloud_python_lib_path"]), **kw)
del kw["rcloud_python_lib_path"]
self.km.client_factory = MyClient
self.km.start_kernel(
**kw) # This is a non-blocking call to launch the process
self.completer = completer.Completer()
self.completer.limit_to__all__ = True
# There is a possible race condition if the system is slow to load
# the modules for the kernel and we issue commands to the kernel rightaway.
# We saw these on CentOS and OSX. So, issue an empty command to the kernel and wait for return
self.kc = self.km.client()
self.kc.start_channels()
self.shell = self.kc.shell_channel
self.shell.execute("")
_ = self.shell.get_msgs()
self.iopub = self.kc.iopub_channel
def __init__(self, **kw):
"""Initializes the notebook runner.
Requires config rcloud_python_lib_path -- or raises exception"""
self.km = KernelManager()
self.km.kernel_cmd = make_ipkernel_cmd(
"""
import sys;
sys.path.extend("{RCPATH}".split(":"));
from rcloud_kernel import main;
main()""".format(RCPATH=kw["rcloud_python_lib_path"]), **kw)
del kw["rcloud_python_lib_path"]
self.km.client_factory = MyClient
self.km.start_kernel(**kw)
if platform.system() == 'Darwin':
# There is sometimes a race condition where the first
# execute command hits the kernel before it's ready.
# It appears to happen only on Darwin (Mac OS) and an
# easy (but clumsy) way to mitigate it is to sleep
# for a second.
sleep(1)
self.kc = self.km.client()
self.kc.start_channels()
self.shell = self.kc.shell_channel
self.iopub = self.kc.iopub_channel
def format_kernel_cmd(self, **kw):
"""format templated args (e.g. {connection_file})"""
if self.kernel_cmd:
cmd = self.kernel_cmd
else:
cmd = make_ipkernel_cmd(
'from IPython.kernel.zmq.kernelapp import main; main()', **kw)
ns = dict(connection_file=self.connection_file)
ns.update(self._launch_args)
return [c.format(**ns) for c in cmd]
def format_kernel_cmd(self, **kw):
"""format templated args (e.g. {connection_file})"""
if self.kernel_cmd:
cmd = self.kernel_cmd
else:
cmd = make_ipkernel_cmd(
'from IPython.kernel.zmq.kernelapp import main; main()',
**kw
)
ns = dict(connection_file=self.connection_file)
ns.update(self._launch_args)
return [ c.format(**ns) for c in cmd ]
def format_kernel_cmd(self, **kw):
"""replace templated args (e.g. {connection_file})"""
if self.kernel_cmd:
cmd = self.kernel_cmd
else:
cmd = make_ipkernel_cmd(
'from IPython.kernel.zmq.kernelapp import main; main()', **kw)
ns = dict(connection_file=self.connection_file)
ns.update(self._launch_args)
pat = re.compile(r'\{([A-Za-z0-9_]+)\}')
def from_ns(match):
"""Get the key out of ns if it's there, otherwise no change."""
return ns.get(match.group(1), match.group())
return [pat.sub(from_ns, arg) for arg in cmd]
def format_kernel_cmd(self, **kw):
"""replace templated args (e.g. {connection_file})"""
if self.kernel_cmd:
cmd = self.kernel_cmd
else:
cmd = make_ipkernel_cmd(
'from IPython.kernel.zmq.kernelapp import main; main()',
**kw
)
ns = dict(connection_file=self.connection_file)
ns.update(self._launch_args)
pat = re.compile(r'\{([A-Za-z0-9_]+)\}')
def from_ns(match):
"""Get the key out of ns if it's there, otherwise no change."""
return ns.get(match.group(1), match.group())
return [ pat.sub(from_ns, arg) for arg in cmd ]
def __init__(self, **kw):
self.km = KernelManager()
self.km.kernel_cmd = make_ipkernel_cmd('import sys; sys.path.append("%s"); from rcloud_kernel import main; main()' % kw["rcloud_support_path"], **kw)
del kw["rcloud_support_path"]
self.km.client_factory = MyClient
self.km.start_kernel(**kw)
if platform.system() == 'Darwin':
# There is sometimes a race condition where the first
# execute command hits the kernel before it's ready.
# It appears to happen only on Darwin (Mac OS) and an
# easy (but clumsy) way to mitigate it is to sleep
# for a second.
sleep(1)
self.kc = self.km.client()
self.kc.start_channels()
self.shell = self.kc.shell_channel
self.iopub = self.kc.iopub_channel
def format_kernel_cmd(self, **kw):
"""replace templated args (e.g. {connection_file})"""
if self.kernel_cmd:
cmd = self.kernel_cmd
elif self.kernel_name == "python":
# The native kernel gets special handling
cmd = make_ipkernel_cmd("from IPython.kernel.zmq.kernelapp import main; main()", **kw)
else:
cmd = self.kernel_spec.argv
ns = dict(connection_file=self.connection_file)
ns.update(self._launch_args)
pat = re.compile(r"\{([A-Za-z0-9_]+)\}")
def from_ns(match):
"""Get the key out of ns if it's there, otherwise no change."""
return ns.get(match.group(1), match.group())
return [pat.sub(from_ns, arg) for arg in cmd]
def __init__(self, **kw):
self.km = KernelManager()
self.km.kernel_cmd = make_ipkernel_cmd(
'import sys; sys.path.append("%s"); from rcloud_kernel import main; main()' % kw["rcloud_support_path"],
**kw
)
del kw["rcloud_support_path"]
self.km.client_factory = MyClient
self.km.start_kernel(**kw)
if platform.system() == "Darwin":
# There is sometimes a race condition where the first
# execute command hits the kernel before it's ready.
# It appears to happen only on Darwin (Mac OS) and an
# easy (but clumsy) way to mitigate it is to sleep
# for a second.
sleep(1)
self.kc = self.km.client()
self.kc.start_channels()
self.shell = self.kc.shell_channel
self.iopub = self.kc.iopub_channel
