def km_from_string(s=''):
"""create kernel manager from IPKernelApp string
such as '--shell=47378 --iopub=39859 --stdin=36778 --hb=52668' for IPython 0.11
or just 'kernel-12345.json' for IPython 0.12
"""
try:
import IPython
except ImportError:
raise ImportError("Could not find IPython. " + _install_instructions)
try:
from traitlets.config.loader import KeyValueConfigLoader
except ImportError:
from IPython.config.loader import KeyValueConfigLoader
try:
from jupyter_client.manager import KernelManager
from jupyter_client.connect import find_connection_file
except ImportError:
try:
from IPython.kernel import (
KernelManager,
find_connection_file,
)
except ImportError:
# IPython < 1.0
from IPython.zmq.blockingkernelmanager import BlockingKernelManager as KernelManager
from IPython.zmq.kernelapp import kernel_aliases
try:
from IPython.lib.kernel import find_connection_file
except ImportError:
# < 0.12, no find_connection_file
pass
global km, kc, send
s = s.replace('--existing', '')
if 'connection_file' in KernelManager.class_trait_names():
# 0.12 uses files instead of a collection of ports
# include default IPython search path
# filefind also allows for absolute paths, in which case the search
# is ignored
try:
# XXX: the following approach will be brittle, depending on what
# connection strings will end up looking like in the future, and
# whether or not they are allowed to have spaces. I'll have to sync
# up with the IPython team to address these issues -pi
if '--profile' in s:
k,p = s.split('--profile')
k = k.lstrip().rstrip() # kernel part of the string
p = p.lstrip().rstrip() # profile part of the string
fullpath = find_connection_file(k,p)
else:
if not s:
fullpath = find_connection_file()
else:
fullpath = find_connection_file(s.lstrip().rstrip())
except IOError as e:
echo(":IPython " + s + " failed", "Info")
echo("^-- failed '" + s + "' not found", "Error")
return
if IPython.version_info[0] >= 4:
km = KernelManager()
km.connection_file = find_connection_file()
km.load_connection_file()
else:
km = KernelManager(connection_file = fullpath)
km.load_connection_file()
else:
if s == '':
echo(":IPython 0.11 requires the full connection string")
return
loader = KeyValueConfigLoader(s.split(), aliases=kernel_aliases)
cfg = loader.load_config()['KernelApp']
try:
km = KernelManager(
shell_address=(ip, cfg['shell_port']),
sub_address=(ip, cfg['iopub_port']),
stdin_address=(ip, cfg['stdin_port']),
hb_address=(ip, cfg['hb_port']))
except KeyError as e:
echo(":IPython " +s + " failed", "Info")
echo("^-- failed --"+e.message.replace('_port','')+" not specified", "Error")
return
try:
kc = km.client()
except AttributeError:
# 0.13
kc = km
kc.start_channels()
try:
send = kc.execute
except AttributeError:
# < 3.0
send = kc.shell_channel.execute
#XXX: backwards compatibility for IPython < 0.13
try:
import inspect
sc = kc.shell_channel
num_oinfo_args = len(inspect.getargspec(sc.object_info).args)
if num_oinfo_args == 2:
# patch the object_info method which used to only take one argument
klass = sc.__class__
klass._oinfo_orig = klass.object_info
klass.object_info = lambda s,x,y: s._oinfo_orig(x)
except:
pass
#XXX: backwards compatibility for IPython < 1.0
if not hasattr(kc, 'iopub_channel'):
kc.iopub_channel = kc.sub_channel
# now that we're connect to an ipython kernel, activate completion
# machinery, but do so only for the local buffer if the user added the
# following line the vimrc:
# let g:ipy_completefunc = 'local'
vim.command("""
if g:ipy_completefunc == 'global'
set completefunc=CompleteIPython
elseif g:ipy_completefunc == 'local'
setl completefunc=CompleteIPython
endif
""")
# also activate GUI doc balloons if in gvim
vim.command("""
if has('balloon_eval')
set bexpr=IPythonBalloonExpr()
endif
""")
set_pid()
return km
import pathlib from jupyter_client.manager import KernelManager from jupyter_client.connect import find_connection_file # forkする？ m = KernelManager() m.connection_file = "kernel-me.json" m.write_connection_file() info = m.get_connection_info() print(info) print(m.connection_file) print(find_connection_file()) print(find_connection_file(pathlib.Path(m.connection_file).name)) # m.load_connection_file() m.blocking_client()
