##// END OF EJS Templates
ensure a fallback exists, so use local std{in,out,err}...
ensure a fallback exists, so use local std{in,out,err} Since IOStream instances require a valid fallback stream, use the locally defined std{in,out,err} instead of sys.std{in,out,err} in IOTerm's __init__ method. Note that the local std{in,out,err} are IOStream instances as well, that fall back to os.devnull

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__init__.py
86 lines | 3.1 KiB | text/x-python | PythonLexer
# encoding: utf-8
"""
IPython: tools for interactive and parallel computing in Python.
http://ipython.org
"""
#-----------------------------------------------------------------------------
# Copyright (c) 2008-2011, IPython Development Team.
# Copyright (c) 2001-2007, Fernando Perez <fernando.perez@colorado.edu>
# Copyright (c) 2001, Janko Hauser <jhauser@zscout.de>
# Copyright (c) 2001, Nathaniel Gray <n8gray@caltech.edu>
#
# Distributed under the terms of the Modified BSD License.
#
# The full license is in the file COPYING.txt, distributed with this software.
#-----------------------------------------------------------------------------
#-----------------------------------------------------------------------------
# Imports
#-----------------------------------------------------------------------------
from __future__ import absolute_import
import os
import sys
#-----------------------------------------------------------------------------
# Setup everything
#-----------------------------------------------------------------------------
# Don't forget to also update setup.py when this changes!
if sys.version[0:3] < '2.6':
raise ImportError('Python Version 2.6 or above is required for IPython.')
# Make it easy to import extensions - they are always directly on pythonpath.
# Therefore, non-IPython modules can be added to extensions directory.
# This should probably be in ipapp.py.
sys.path.append(os.path.join(os.path.dirname(__file__), "extensions"))
#-----------------------------------------------------------------------------
# Setup the top level names
#-----------------------------------------------------------------------------
from .config.loader import Config
from .core import release
from .core.application import Application
from .frontend.terminal.embed import embed
from .core.error import TryNext
from .core.interactiveshell import InteractiveShell
from .testing import test
from .utils.sysinfo import sys_info
from .utils.frame import extract_module_locals
# Release data
__author__ = ''
for author, email in release.authors.itervalues():
__author__ += author + ' <' + email + '>\n'
__license__ = release.license
__version__ = release.version
def embed_kernel(module=None, local_ns=None, **kwargs):
"""Embed and start an IPython kernel in a given scope.
Parameters
----------
module : ModuleType, optional
The module to load into IPython globals (default: caller)
local_ns : dict, optional
The namespace to load into IPython user namespace (default: caller)
kwargs : various, optional
Further keyword args are relayed to the KernelApp constructor,
allowing configuration of the Kernel. Will only have an effect
on the first embed_kernel call for a given process.
"""
(caller_module, caller_locals) = extract_module_locals(1)
if module is None:
module = caller_module
if local_ns is None:
local_ns = caller_locals
# Only import .zmq when we really need it
from .zmq.ipkernel import embed_kernel as real_embed_kernel
real_embed_kernel(module=module, local_ns=local_ns, **kwargs)