def __init__(self, nb, pylab=False, mpl_inline=False, profile_dir=None, working_dir=None, kernel=None, port=None):
self.km = KernelManager()
args = []
if pylab:
args.append('--pylab=inline')
logging.warn('--pylab is deprecated and will be removed in a future version')
elif mpl_inline:
args.append('--matplotlib=inline')
logging.warn('--matplotlib is deprecated and will be removed in a future version')
if profile_dir:
args.append('--profile-dir=%s' % os.path.abspath(profile_dir))
cwd = os.getcwd()
if working_dir:
os.chdir(working_dir)
if kernel is not None:
logging.info("Starting {0} kernel".format(kernel))
ksm = KernelSpecManager()
kernel_specs = ksm.find_kernel_specs()
if not kernel in kernel_specs:
logging.info("Installed kernels: {0}".format(', '.join(kernel_specs)))
# throws NoSuchKernel when not found
self.km.kernel_spec = ksm.get_kernel_spec(kernel)
if port is None:
self.km.start_kernel(extra_arguments=args)
else:
self.km.start_kernel(extra_arguments=args, port=port)
os.chdir(cwd)
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()
try:
self.kc.wait_for_ready()
except AttributeError:
# IPython < 3
self._wait_for_ready_backport()
self.nb = nb
def run(self):
install.run(self)
from IPython.kernel.kernelspec import KernelSpecManager
from IPython.utils.path import ensure_dir_exists
destdir = os.path.join(KernelSpecManager().user_kernel_dir, 'IDL')
ensure_dir_exists(destdir)
with open(os.path.join(destdir, 'kernel.json'), 'w') as f:
json.dump(kernel_json, f, sort_keys=True)
def run(self):
# Regular installation
install.run(self)
# Now write the kernelspec
from IPython.kernel.kernelspec import KernelSpecManager
from IPython.utils.path import ensure_dir_exists
destdir = os.path.join(KernelSpecManager().user_kernel_dir, LANGUAGE)
ensure_dir_exists(destdir)
with open(os.path.join(destdir, 'kernel.json'), 'w') as f:
json.dump(kernel_json, f, sort_keys=True)
def setup_assets(user=False, ipython_dir=None):
# Now write the kernelspec
from IPython.kernel.kernelspec import (
KernelSpecManager,
install_kernel_spec,
)
if ipython_dir is None:
install = install_kernel_spec
else:
ksm = KernelSpecManager(ipython_dir=ipython_dir)
install = ksm.install_kernel_spec
install(join(pkgroot, 'assets'), 'hy', replace=True, user=user)
def _kernel_spec_manager_default(self):
return KernelSpecManager(ipython_dir=self.ipython_dir)
def init_kernel_manager(self):
self._km = MultiKernelManager(log=self.log, parent=self)
self._ksm = KernelSpecManager(log=self.log, parent=self)
self._kernels = {}