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

ipapi.get now returns None if there are no InteractiveShells running....

ipapi.get now returns None if there are no InteractiveShells running. It used to simply raise an IndexError, which was bad.

Brian Granger - - Load All Authors

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             importstring.py
        
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                PythonLexer
            
             / IPython / utils / importstring.py
          
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      #!/usr/bin/env python

      # encoding: utf-8

      """

      A simple utility to import something by its string name.

      Authors:

      * Brian Granger

      """

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

      #  Copyright (C) 2008-2009  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]

          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

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				#!/usr/bin/env python
				# encoding: utf-8
				"""
				A simple utility to import something by its string name.

				Authors:

				* Brian Granger
				"""

				#-----------------------------------------------------------------------------
				# Copyright (C) 2008-2009 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]
				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