##// END OF EJS Templates
Merge pull request #4098 from minrk/profile-dir...
Merge pull request #4098 from minrk/profile-dir pass profile-dir instead of profile name to Kernel

File last commit:

r11346:ccaf2d1b
r12343:bc2595ee merge
Show More
internal_ipkernel.py
59 lines | 2.2 KiB | text/x-python | PythonLexer
#-----------------------------------------------------------------------------
# Imports
#-----------------------------------------------------------------------------
import subprocess
import sys
from IPython.lib.kernel import connect_qtconsole
from IPython.kernel.zmq.kernelapp import IPKernelApp
#-----------------------------------------------------------------------------
# Functions and classes
#-----------------------------------------------------------------------------
def pylab_kernel(gui):
"""Launch and return an IPython kernel with pylab support for the desired gui
"""
kernel = IPKernelApp.instance()
kernel.initialize(['python', '--pylab=%s' % gui,
#'--log-level=10'
])
return kernel
class InternalIPKernel(object):
def init_ipkernel(self, backend):
# Start IPython kernel with GUI event loop and pylab support
self.ipkernel = pylab_kernel(backend)
# To create and track active qt consoles
self.consoles = []
# This application will also act on the shell user namespace
self.namespace = self.ipkernel.shell.user_ns
# Keys present at startup so we don't print the entire pylab/numpy
# namespace when the user clicks the 'namespace' button
self._init_keys = set(self.namespace.keys())
# Example: a variable that will be seen by the user in the shell, and
# that the GUI modifies (the 'Counter++' button increments it):
self.namespace['app_counter'] = 0
#self.namespace['ipkernel'] = self.ipkernel # dbg
def print_namespace(self, evt=None):
print("\n***Variables in User namespace***")
for k, v in self.namespace.iteritems():
if k not in self._init_keys and not k.startswith('_'):
print('%s -> %r' % (k, v))
sys.stdout.flush()
def new_qt_console(self, evt=None):
"""start a new qtconsole connected to our kernel"""
return connect_qtconsole(self.ipkernel.connection_file, profile=self.ipkernel.profile)
def count(self, evt=None):
self.namespace['app_counter'] += 1
def cleanup_consoles(self, evt=None):
for c in self.consoles:
c.kill()