upstream/ipython Files · IPython/utils/importstring.py

add IPython.embed_kernel()...

add IPython.embed_kernel() This patch adds IPython.embed_kernel() as a public API. Embedding an IPython kernel in an application is useful when you want to use IPython.embed() but don't have a terminal attached on stdin and stdout. My use case is a modern gdb with Python API support #!/usr/bin/gdb --python import IPython; IPython.embed_kernel() this way I get to use ipython to explore the GDB API without the readline librarry in gdb and ipython fighting over the terminal settings. A Google search revealed that other people were interetsted in this use case as well: http://mail.scipy.org/pipermail/ipython-dev/2011-July/007928.html

Matthias BUSSONNIER - - Load All Authors

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             importstring.py
        
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             / IPython / utils / importstring.py
          
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      # encoding: utf-8

      """

      A simple utility to import something by its string name.

      Authors:

      * Brian Granger

      """

      #-----------------------------------------------------------------------------

      #  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.

      #-----------------------------------------------------------------------------

      #-----------------------------------------------------------------------------

      # Functions and classes

      #-----------------------------------------------------------------------------

      def import_item(name):

          """Import and return bar given the string foo.bar."""

          package = '.'.join(name.split('.')[0:-1])

          obj = name.split('.')[-1]

          # Note: the original code for this was the following.  We've left it

          # visible for now in case the new implementation shows any problems down

          # the road, to make it easier on anyone looking for a problem.  This code

          # should be removed once we're comfortable we didn't break anything.

          ## execString = 'from %s import %s' % (package, obj)

          ## try:

          ##     exec execString

          ## except SyntaxError:

          ##     raise ImportError("Invalid class specification: %s" % name)

          ## exec 'temp = %s' % obj

          ## return temp

          if package:

              module = __import__(package,fromlist=[obj])

              return module.__dict__[obj]

          else:

              return __import__(obj)

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				# encoding: utf-8
				"""
				A simple utility to import something by its string name.

				Authors:

				* Brian Granger
				"""

				#-----------------------------------------------------------------------------
				# 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.
				#-----------------------------------------------------------------------------

				#-----------------------------------------------------------------------------
				# Functions and classes
				#-----------------------------------------------------------------------------

				def import_item(name):
				"""Import and return bar given the string foo.bar."""
				package = '.'.join(name.split('.')[0:-1])
				obj = name.split('.')[-1]

				# Note: the original code for this was the following. We've left it
				# visible for now in case the new implementation shows any problems down
				# the road, to make it easier on anyone looking for a problem. This code
				# should be removed once we're comfortable we didn't break anything.

				## execString = 'from %s import %s' % (package, obj)
				## try:
				## exec execString
				## except SyntaxError:
				## raise ImportError("Invalid class specification: %s" % name)
				## exec 'temp = %s' % obj
				## return temp

				if package:
				module = __import__(package,fromlist=[obj])
				return module.__dict__[obj]
				else:
				return __import__(obj)