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Update celltoolbar.js I want to write an extension with multiple select bar. They are supposed to be displayed inline, not in block mode. The better way is to use span instead of div.

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kernelspecapp.py
121 lines | 4.1 KiB | text/x-python | PythonLexer
# Copyright (c) IPython Development Team.
# Distributed under the terms of the Modified BSD License.
import errno
import os.path
from IPython.config.application import Application
from IPython.core.application import (
BaseIPythonApplication, base_flags, base_aliases
)
from IPython.utils.traitlets import Instance, Dict, Unicode, Bool
from .kernelspec import KernelSpecManager
def _pythonfirst(s):
"Sort key function that will put strings starting with 'python' first."
if s.startswith('python'):
# Space is not valid in kernel names, so this should sort first
return ' ' + s
return s
class ListKernelSpecs(BaseIPythonApplication):
description = """List installed kernel specifications."""
kernel_spec_manager = Instance(KernelSpecManager)
# Not all of the base aliases are meaningful (e.g. profile)
aliases = {k: base_aliases[k] for k in ['ipython-dir', 'log-level']}
flags = {'debug': base_flags['debug'],}
def _kernel_spec_manager_default(self):
return KernelSpecManager(ipython_dir=self.ipython_dir)
def start(self):
print("Available kernels:")
for kernelname in sorted(self.kernel_spec_manager.find_kernel_specs(),
key=_pythonfirst):
print(" %s" % kernelname)
class InstallKernelSpec(BaseIPythonApplication):
description = """Install a kernel specification directory."""
kernel_spec_manager = Instance(KernelSpecManager)
def _kernel_spec_manager_default(self):
return KernelSpecManager(ipython_dir=self.ipython_dir)
sourcedir = Unicode()
kernel_name = Unicode("", config=True,
help="Install the kernel spec with this name"
)
def _kernel_name_default(self):
return os.path.basename(self.sourcedir)
system = Bool(False, config=True,
help="""
Try to install the kernel spec to the systemwide directory instead of
the per-user directory.
"""
)
replace = Bool(False, config=True,
help="Replace any existing kernel spec with this name."
)
aliases = {'name': 'InstallKernelSpec.kernel_name'}
for k in ['ipython-dir', 'log-level']:
aliases[k] = base_aliases[k]
flags = {'system': ({'InstallKernelSpec': {'system': True}},
"Install to the systemwide kernel registry"),
'replace': ({'InstallKernelSpec': {'replace': True}},
"Replace any existing kernel spec with this name."),
'debug': base_flags['debug'],
}
def parse_command_line(self, argv):
super(InstallKernelSpec, self).parse_command_line(argv)
# accept positional arg as profile name
if self.extra_args:
self.sourcedir = self.extra_args[0]
else:
print("No source directory specified.")
self.exit(1)
def start(self):
try:
self.kernel_spec_manager.install_kernel_spec(self.sourcedir,
kernel_name=self.kernel_name,
system=self.system,
replace=self.replace,
)
except OSError as e:
if e.errno == errno.EACCES:
print("Permission denied")
self.exit(1)
elif e.errno == errno.EEXIST:
print("A kernel spec is already present at %s" % e.filename)
self.exit(1)
raise
class KernelSpecApp(Application):
name = "ipython kernelspec"
description = """Manage IPython kernel specifications."""
subcommands = Dict(dict(
list = (ListKernelSpecs, ListKernelSpecs.description.splitlines()[0]),
install = (InstallKernelSpec, InstallKernelSpec.description.splitlines()[0])
))
aliases = {}
flags = {}
def start(self):
if self.subapp is None:
print("No subcommand specified. Must specify one of: %s"% list(self.subcommands))
print()
self.print_description()
self.print_subcommands()
self.exit(1)
else:
return self.subapp.start()