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Merge pull request #2854 from minrk/2853b...
Merge pull request #2854 from minrk/2853b Move kernel code into IPython.kernel inprocess Kernel in kernel.inprocess zmq Kernel in kernel.zmq KernelManager stuff and ulities in top-level kernel Main functional change: allow custom kernel Popen command - [x] adds `KernelManager.kernel_cmd` configurable for launching a custom kernel - [x] splits entry_point.base_launch_kernel into two steps: making the launch cmd and launching the subprocess - [x] figure out where the entry_point functions belong, if it should be anywhere else - [x] move IPython.zmq.kernelmanagerabc to IPython.kernel.kernelmanagerabc - [x] move IPython.lib.kernel/IPython/zmq.entry_point to IPython.kernel.launcher / connect - [x] move zmq.ipkernelapp.IPKernelApp to zmq.kernelapp (I'll look at merging the classes, and see if it makes - [x] move IPython.zmq to IPython.kernel.zmq - [x] move IPython.inprocess to IPython.kernel.inprocess - [x] move embed_kernel from zmq.ipkernelapp to zmq.embed - [x] move MultiKernelManager to IPython.kernel.multikernelmanager. - [x] move IPython.zmq.blockingkernelmanager to IPython.kernel.blockingkernelmanager. - [x] move IPython.zmq.kernelmanager to IPython.kernel.kernelmanager. - [x] move IPython.ipkernel.Kernel to IPython.kernel.kernel.

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warn.py
67 lines | 1.9 KiB | text/x-python | PythonLexer
# encoding: utf-8
"""
Utilities for warnings. Shoudn't we just use the built in warnings module.
"""
#-----------------------------------------------------------------------------
# Copyright (C) 2008-2011 The IPython Development Team
#
# Distributed under the terms of the BSD License. The full license is in
# the file COPYING, distributed as part of this software.
#-----------------------------------------------------------------------------
#-----------------------------------------------------------------------------
# Imports
#-----------------------------------------------------------------------------
from __future__ import print_function
import sys
from IPython.utils import io
#-----------------------------------------------------------------------------
# Code
#-----------------------------------------------------------------------------
def warn(msg,level=2,exit_val=1):
"""Standard warning printer. Gives formatting consistency.
Output is sent to io.stderr (sys.stderr by default).
Options:
-level(2): allows finer control:
0 -> Do nothing, dummy function.
1 -> Print message.
2 -> Print 'WARNING:' + message. (Default level).
3 -> Print 'ERROR:' + message.
4 -> Print 'FATAL ERROR:' + message and trigger a sys.exit(exit_val).
-exit_val (1): exit value returned by sys.exit() for a level 4
warning. Ignored for all other levels."""
if level>0:
header = ['','','WARNING: ','ERROR: ','FATAL ERROR: ']
print(header[level], msg, sep='', file=io.stderr)
if level == 4:
print('Exiting.\n', file=io.stderr)
sys.exit(exit_val)
def info(msg):
"""Equivalent to warn(msg,level=1)."""
warn(msg,level=1)
def error(msg):
"""Equivalent to warn(msg,level=3)."""
warn(msg,level=3)
def fatal(msg,exit_val=1):
"""Equivalent to warn(msg,exit_val=exit_val,level=4)."""
warn(msg,exit_val=exit_val,level=4)