upstream/ipython Files · IPython/core/error.py

Add init_environment(), %less, %more, %man and %clear/%cls, in zmq shell....

Add init_environment(), %less, %more, %man and %clear/%cls, in zmq shell. These are all things that normally need direct terminal control and users are likely to call them via !, blocking their session because the pager will be invoked and we can't pass keystrokes to it. So for the zmq shell, we implement a few very common things as magics.

Brian Granger - - Load All Authors

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             error.py
        
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      #!/usr/bin/env python

      # encoding: utf-8

      """

      Global exception classes for IPython.core.

      Authors:

      * Brian Granger

      * Fernando Perez

      Notes

      -----

      """

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

      #  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.

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

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

      # Imports

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

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

      # Exception classes

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

      class IPythonCoreError(Exception):

          pass

      class TryNext(IPythonCoreError):

          """Try next hook exception.

          Raise this in your hook function to indicate that the next hook handler

          should be used to handle the operation.  If you pass arguments to the

          constructor those arguments will be used by the next hook instead of the

          original ones.

          """

          def __init__(self, *args, **kwargs):

              self.args = args

              self.kwargs = kwargs

      class UsageError(IPythonCoreError):

          """Error in magic function arguments, etc.

          Something that probably won't warrant a full traceback, but should

          nevertheless interrupt a macro / batch file.   

          """

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				#!/usr/bin/env python
				# encoding: utf-8
				"""
				Global exception classes for IPython.core.

				Authors:

				* Brian Granger
				* Fernando Perez

				Notes
				-----
				"""

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

				#-----------------------------------------------------------------------------
				# Imports
				#-----------------------------------------------------------------------------

				#-----------------------------------------------------------------------------
				# Exception classes
				#-----------------------------------------------------------------------------

				class IPythonCoreError(Exception):
				pass


				class TryNext(IPythonCoreError):
				"""Try next hook exception.

				Raise this in your hook function to indicate that the next hook handler
				should be used to handle the operation. If you pass arguments to the
				constructor those arguments will be used by the next hook instead of the
				original ones.
				"""

				def __init__(self, args, *kwargs):
				self.args = args
				self.kwargs = kwargs

				class UsageError(IPythonCoreError):
				"""Error in magic function arguments, etc.

				Something that probably won't warrant a full traceback, but should
				nevertheless interrupt a macro / batch file.
				"""