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Merge pull request #3217 from ivanov/load-for-dirs...
Merge pull request #3217 from ivanov/load-for-dirs informative error when trying to load directories prior to this commit, the error message for trying to load a directory looked like this: ValueError: '~' was not found in history, as a file, url, nor in the user namespace. now, the error displayed is as follows: ValueError: '~' is a directory, not a regular file.

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blockingkernelmanager.py
54 lines | 2.1 KiB | text/x-python | PythonLexer
""" Implements a fully blocking kernel manager.
Useful for test suites and blocking terminal interfaces.
"""
#-----------------------------------------------------------------------------
# Copyright (C) 2012 The IPython Development Team
#
# Distributed under the terms of the BSD License. The full license is in
# the file COPYING.txt, distributed as part of this software.
#-----------------------------------------------------------------------------
#-----------------------------------------------------------------------------
# Imports
#-----------------------------------------------------------------------------
from __future__ import print_function
# Local imports.
from IPython.utils.io import raw_print
from IPython.utils.traitlets import Type
from kernelmanager import InProcessKernelManager, InProcessShellChannel, \
InProcessIOPubChannel, InProcessStdInChannel
from IPython.kernel.blockingkernelmanager import BlockingChannelMixin
#-----------------------------------------------------------------------------
# Blocking kernel manager
#-----------------------------------------------------------------------------
class BlockingInProcessShellChannel(BlockingChannelMixin, InProcessShellChannel):
pass
class BlockingInProcessIOPubChannel(BlockingChannelMixin, InProcessIOPubChannel):
pass
class BlockingInProcessStdInChannel(BlockingChannelMixin, InProcessStdInChannel):
def call_handlers(self, msg):
""" Overridden for the in-process channel.
This methods simply calls raw_input directly.
"""
msg_type = msg['header']['msg_type']
if msg_type == 'input_request':
_raw_input = self.manager.kernel._sys_raw_input
prompt = msg['content']['prompt']
raw_print(prompt, end='')
self.input(_raw_input())
class BlockingInProcessKernelManager(InProcessKernelManager):
# The classes to use for the various channels.
shell_channel_class = Type(BlockingInProcessShellChannel)
iopub_channel_class = Type(BlockingInProcessIOPubChannel)
stdin_channel_class = Type(BlockingInProcessStdInChannel)