upstream/ipython Files · IPython/FakeModule.py

* IPython/Extensions/ipipe.py: Rename XAttr to AttributeDetail...

* IPython/Extensions/ipipe.py: Rename XAttr to AttributeDetail and make it iterable (iterating over the attribute itself). Add two new magic strings for __xattrs__(): If the string starts with "-", the attribute will not be displayed in ibrowse's detail view (but it can still be iterated over). This makes it possible to add attributes that are large lists or generator methods to the detail view. Replace magic attribute names and _attrname() and _getattr() with "descriptors": For each type of magic attribute name there's a subclass of Descriptor: None -> SelfDescriptor(); "foo" -> AttributeDescriptor("foo"); "foo()" -> MethodDescriptor("foo"); "-foo" -> IterAttributeDescriptor("foo"); "-foo()" -> IterMethodDescriptor("foo"); foo() -> FunctionDescriptor(foo). Magic strings returned from __xattrs__() are still supported. * IPython/Extensions/ibrowse.py: If fetching the next row from the input fails in ibrowse.fetch(), the exception object is added as the last item and item fetching is canceled. This prevents ibrowse from aborting if e.g. a generator throws an exception midway through execution. * IPython/Extensions/ipipe.py: Turn ifile's properties mimetype and encoding into methods.

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      # -*- coding: utf-8 -*-

      """

      Class which mimics a module.

      Needed to allow pickle to correctly resolve namespaces during IPython

      sessions.

      $Id: FakeModule.py 1322 2006-05-24 07:51:39Z fperez $"""

      #*****************************************************************************

      #       Copyright (C) 2002-2004 Fernando Perez. <fperez@colorado.edu>

      #

      #  Distributed under the terms of the BSD License.  The full license is in

      #  the file COPYING, distributed as part of this software.

      #*****************************************************************************

      class FakeModule:

          """Simple class with attribute access to fake a module.

          This is not meant to replace a module, but to allow inserting a fake

          module in sys.modules so that systems which rely on run-time module

          importing (like shelve and pickle) work correctly in interactive IPython

          sessions.

          Do NOT use this code for anything other than this IPython private hack."""

          def __init__(self,adict):

              # It seems pydoc (and perhaps others) needs any module instance to

              # implement a __nonzero__ method, so we add it if missing:

              if '__nonzero__' not in adict:

                  def __nonzero__():

                      return 1

                  adict['__nonzero__'] = __nonzero__

                  self.__dict__ = adict

              # modules should have a __file__ attribute

              adict['__file__'] = __file__

          def __getattr__(self,key):

              try:

                  return self.__dict__[key]

              except KeyError, e:

                  raise AttributeError("FakeModule object has no attribute %s" % e)

          def __str__(self):

              return "<IPython.FakeModule instance>"

          def __repr__(self):

              return str(self)

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				# -- coding: utf-8 --
				"""
				Class which mimics a module.

				Needed to allow pickle to correctly resolve namespaces during IPython
				sessions.

				$Id: FakeModule.py 1322 2006-05-24 07:51:39Z fperez $"""

				#*****************************************************************************
				# Copyright (C) 2002-2004 Fernando Perez. <fperez@colorado.edu>
				#
				# Distributed under the terms of the BSD License. The full license is in
				# the file COPYING, distributed as part of this software.
				#*****************************************************************************

				class FakeModule:
				"""Simple class with attribute access to fake a module.

				This is not meant to replace a module, but to allow inserting a fake
				module in sys.modules so that systems which rely on run-time module
				importing (like shelve and pickle) work correctly in interactive IPython
				sessions.

				Do NOT use this code for anything other than this IPython private hack."""

				def __init__(self,adict):

				# It seems pydoc (and perhaps others) needs any module instance to
				# implement a __nonzero__ method, so we add it if missing:
				if '__nonzero__' not in adict:
				def __nonzero__():
				return 1
				adict['__nonzero__'] = __nonzero__

				self.__dict__ = adict

				# modules should have a __file__ attribute
				adict['__file__'] = __file__

				def __getattr__(self,key):
				try:
				return self.__dict__[key]
				except KeyError, e:
				raise AttributeError("FakeModule object has no attribute %s" % e)

				def __str__(self):
				return "<IPython.FakeModule instance>"

				def __repr__(self):
				return str(self)