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=============
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0.10 series
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0.10 series
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========================================
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=============
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Release 0.10.1
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==============
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IPython 0.10.1 was released October 11, 2010, over a year after version 0.10.
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This is mostly a bugfix release, since after version 0.10 was released, the
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development team's energy has been focused on the 0.11 series. We have
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nonetheless tried to backport what fixes we could into 0.10.1, as it remains
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the stable series that many users have in production systems they rely on.
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Since the 0.11 series changes many APIs in backwards-incompatible ways, we are
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willing to continue maintaining the 0.10.x series. We don't really have time
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to actively write new code for 0.10.x, but we are happy to accept patches and
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pull requests on the IPython `github site`_. If sufficient contributions are
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made that improve 0.10.1, we will roll them into future releases. For this
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purpose, we will have a branch called 0.10.2 on github, on which you can base
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your contributions.
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.. _github site: http://github.com/ipython
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For this release, we applied approximately 60 commits totaling a diff of over
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7000 lines::
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(0.10.1)amirbar[dist]> git diff --oneline rel-0.10.. | wc -l
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7296
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Highlights of this release:
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- The only significant new feature is that IPython's parallel computing
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machinery now supports natively the Sun Grid Engine and LSF schedulers. This
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work was a joint contribution from Justin Riley, Satra Ghosh and Matthieu
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Brucher, who put a lot of work into it. We also improved traceback handling
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in remote tasks, as well as providing better control for remote task IDs.
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- New IPython Sphinx directive. You can use this directive to mark blocks in
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reSructuredText documents as containig IPython syntax (including figures) and
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the will be executed during the build::
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.. ipython::
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In [2]: plt.figure() # ensure a fresh figure
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@savefig psimple.png width=4in
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In [3]: plt.plot([1,2,3])
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Out[3]: [<matplotlib.lines.Line2D object at 0x9b74d8c>]
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- Various fixes to the standalone ipython-wx application.
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- We now ship internally the excellent argparse library, graciously licensed
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under BSD terms by Steven Bethard. Now (2010) that argparse has become part
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of Python 2.7 this will be less of an issue, but Steven's relicensing allowed
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us to start updating IPython to using argparse well before Python 2.7. Many
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thanks!
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- Robustness improvements so that IPython doesn't crash if the readline library
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is absent (though obviously a lot of functionality that requires readline
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will not be available).
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- Improvements to tab completion in Emacs with Python 2.6.
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- Logging now supports timestamps (see ``%logstart?`` for full details).
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- A long-standing and quite annoying bug where parentheses would be added to
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``print`` statements, under Python 2.5 and 2.6, was finally fixed.
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- Improved handling of libreadline on Apple OSX.
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- Fix ``reload`` method of IPython demos, which was broken.
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- Fixes for the ipipe/ibrowse system on OSX.
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- Fixes for Zope profile.
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- Fix %timeit reporting when the time is longer than 1000s.
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- Avoid lockups with ? or ?? in SunOS, due to a bug in termios.
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- The usual assortment of miscellaneous bug fixes and small improvements.
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The following people contributed to this release (please let us know if we
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omitted your name and we'll gladly fix this in the notes for the future):
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* Beni Cherniavsky
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* Boyd Waters.
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* David Warde-Farley
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* Fernando Perez
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* GΓΆkhan Sever
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* Justin Riley
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* Kiorky
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* Laurent Dufrechou
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* Mark E. Smith
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* Matthieu Brucher
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* Satrajit Ghosh
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* Sebastian Busch
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* VΓ‘clav Ε milauer
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Release 0.10
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Release 0.10
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============
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============
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This release brings months of slow but steady development, and will be the last
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This release brings months of slow but steady development, and will be the last
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before a major restructuring and cleanup of IPython's internals that is already
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before a major restructuring and cleanup of IPython's internals that is already
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under way. For this reason, we hope that 0.10 will be a stable and robust
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under way. For this reason, we hope that 0.10 will be a stable and robust
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release so that while users adapt to some of the API changes that will come
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release so that while users adapt to some of the API changes that will come
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with the refactoring that will become IPython 0.11, they can safely use 0.10 in
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with the refactoring that will become IPython 0.11, they can safely use 0.10 in
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all existing projects with minimal changes (if any).
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all existing projects with minimal changes (if any).
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IPython 0.10 is now a medium-sized project, with roughly (as reported by David
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IPython 0.10 is now a medium-sized project, with roughly (as reported by David
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Wheeler's :command:`sloccount` utility) 40750 lines of Python code, and a diff
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Wheeler's :command:`sloccount` utility) 40750 lines of Python code, and a diff
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between 0.9.1 and this release that contains almost 28000 lines of code and
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between 0.9.1 and this release that contains almost 28000 lines of code and
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documentation. Our documentation, in PDF format, is a 495-page long PDF
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documentation. Our documentation, in PDF format, is a 495-page long PDF
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document (also available in HTML format, both generated from the same sources).
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document (also available in HTML format, both generated from the same sources).
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Many users and developers contributed code, features, bug reports and ideas to
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Many users and developers contributed code, features, bug reports and ideas to
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this release. Please do not hesitate in contacting us if we've failed to
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this release. Please do not hesitate in contacting us if we've failed to
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acknowledge your contribution here. In particular, for this release we have
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acknowledge your contribution here. In particular, for this release we have
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contribution from the following people, a mix of new and regular names (in
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contribution from the following people, a mix of new and regular names (in
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alphabetical order by first name):
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alphabetical order by first name):
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* Alexander Clausen: fix #341726.
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* Alexander Clausen: fix #341726.
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* Brian Granger: lots of work everywhere (features, bug fixes, etc).
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* Brian Granger: lots of work everywhere (features, bug fixes, etc).
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* Daniel Ashbrook: bug report on MemoryError during compilation, now fixed.
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* Daniel Ashbrook: bug report on MemoryError during compilation, now fixed.
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* Darren Dale: improvements to documentation build system, feedback, design
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* Darren Dale: improvements to documentation build system, feedback, design
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ideas.
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ideas.
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* Fernando Perez: various places.
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* Fernando Perez: various places.
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* GaΓ«l Varoquaux: core code, ipythonx GUI, design discussions, etc. Lots...
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* GaΓ«l Varoquaux: core code, ipythonx GUI, design discussions, etc. Lots...
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* John Hunter: suggestions, bug fixes, feedback.
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* John Hunter: suggestions, bug fixes, feedback.
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* Jorgen Stenarson: work on many fronts, tests, fixes, win32 support, etc.
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* Jorgen Stenarson: work on many fronts, tests, fixes, win32 support, etc.
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* Laurent DufrΓ©chou: many improvements to ipython-wx standalone app.
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* Laurent DufrΓ©chou: many improvements to ipython-wx standalone app.
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* Lukasz Pankowski: prefilter, `%edit`, demo improvements.
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* Lukasz Pankowski: prefilter, `%edit`, demo improvements.
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* Matt Foster: TextMate support in `%edit`.
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* Matt Foster: TextMate support in `%edit`.
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* Nathaniel Smith: fix #237073.
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* Nathaniel Smith: fix #237073.
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* Pauli Virtanen: fixes and improvements to extensions, documentation.
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* Pauli Virtanen: fixes and improvements to extensions, documentation.
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* Prabhu Ramachandran: improvements to `%timeit`.
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* Prabhu Ramachandran: improvements to `%timeit`.
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* Robert Kern: several extensions.
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* Robert Kern: several extensions.
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* Sameer D'Costa: help on critical bug #269966.
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* Sameer D'Costa: help on critical bug #269966.
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* Stephan Peijnik: feedback on Debian compliance and many man pages.
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* Stephan Peijnik: feedback on Debian compliance and many man pages.
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* Steven Bethard: we are now shipping his :mod:`argparse` module.
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* Steven Bethard: we are now shipping his :mod:`argparse` module.
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* Tom Fetherston: many improvements to :mod:`IPython.demo` module.
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* Tom Fetherston: many improvements to :mod:`IPython.demo` module.
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* Ville Vainio: lots of work everywhere (features, bug fixes, etc).
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* Ville Vainio: lots of work everywhere (features, bug fixes, etc).
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* Vishal Vasta: ssh support in ipcluster.
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* Vishal Vasta: ssh support in ipcluster.
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* Walter Doerwald: work on the :mod:`IPython.ipipe` system.
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* Walter Doerwald: work on the :mod:`IPython.ipipe` system.
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Below we give an overview of new features, bug fixes and backwards-incompatible
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Below we give an overview of new features, bug fixes and backwards-incompatible
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changes. For a detailed account of every change made, feel free to view the
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changes. For a detailed account of every change made, feel free to view the
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project log with :command:`bzr log`.
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project log with :command:`bzr log`.
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New features
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New features
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------------
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* New `%paste` magic automatically extracts current contents of clipboard and
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* New `%paste` magic automatically extracts current contents of clipboard and
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pastes it directly, while correctly handling code that is indented or
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pastes it directly, while correctly handling code that is indented or
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prepended with `>>>` or `...` python prompt markers. A very useful new
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prepended with `>>>` or `...` python prompt markers. A very useful new
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feature contributed by Robert Kern.
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feature contributed by Robert Kern.
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* IPython 'demos', created with the :mod:`IPython.demo` module, can now be
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* IPython 'demos', created with the :mod:`IPython.demo` module, can now be
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created from files on disk or strings in memory. Other fixes and
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created from files on disk or strings in memory. Other fixes and
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improvements to the demo system, by Tom Fetherston.
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improvements to the demo system, by Tom Fetherston.
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* Added :func:`find_cmd` function to :mod:`IPython.platutils` module, to find
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* Added :func:`find_cmd` function to :mod:`IPython.platutils` module, to find
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commands in a cross-platform manner.
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commands in a cross-platform manner.
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* Many improvements and fixes to GaΓ«l Varoquaux's :command:`ipythonx`, a
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* Many improvements and fixes to GaΓ«l Varoquaux's :command:`ipythonx`, a
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WX-based lightweight IPython instance that can be easily embedded in other WX
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WX-based lightweight IPython instance that can be easily embedded in other WX
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applications. These improvements have made it possible to now have an
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applications. These improvements have made it possible to now have an
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embedded IPython in Mayavi and other tools.
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embedded IPython in Mayavi and other tools.
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* :class:`MultiengineClient` objects now have a :meth:`benchmark` method.
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* :class:`MultiengineClient` objects now have a :meth:`benchmark` method.
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* The manual now includes a full set of auto-generated API documents from the
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* The manual now includes a full set of auto-generated API documents from the
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code sources, using Sphinx and some of our own support code. We are now
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code sources, using Sphinx and some of our own support code. We are now
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using the `Numpy Documentation Standard`_ for all docstrings, and we have
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using the `Numpy Documentation Standard`_ for all docstrings, and we have
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tried to update as many existing ones as possible to this format.
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tried to update as many existing ones as possible to this format.
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* The new :mod:`IPython.Extensions.ipy_pretty` extension by Robert Kern
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* The new :mod:`IPython.Extensions.ipy_pretty` extension by Robert Kern
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provides configurable pretty-printing.
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provides configurable pretty-printing.
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* Many improvements to the :command:`ipython-wx` standalone WX-based IPython
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* Many improvements to the :command:`ipython-wx` standalone WX-based IPython
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application by Laurent DufrΓ©chou. It can optionally run in a thread, and
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application by Laurent DufrΓ©chou. It can optionally run in a thread, and
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this can be toggled at runtime (allowing the loading of Matplotlib in a
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this can be toggled at runtime (allowing the loading of Matplotlib in a
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running session without ill effects).
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running session without ill effects).
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* IPython includes a copy of Steven Bethard's argparse_ in the
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* IPython includes a copy of Steven Bethard's argparse_ in the
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:mod:`IPython.external` package, so we can use it internally and it is also
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:mod:`IPython.external` package, so we can use it internally and it is also
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available to any IPython user. By installing it in this manner, we ensure
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available to any IPython user. By installing it in this manner, we ensure
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zero conflicts with any system-wide installation you may already have while
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zero conflicts with any system-wide installation you may already have while
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minimizing external dependencies for new users. In IPython 0.10, We ship
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minimizing external dependencies for new users. In IPython 0.10, We ship
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argparse version 1.0.
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argparse version 1.0.
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* An improved and much more robust test suite, that runs groups of tests in
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* An improved and much more robust test suite, that runs groups of tests in
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separate subprocesses using either Nose or Twisted's :command:`trial` runner
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separate subprocesses using either Nose or Twisted's :command:`trial` runner
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to ensure proper management of Twisted-using code. The test suite degrades
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to ensure proper management of Twisted-using code. The test suite degrades
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gracefully if optional dependencies are not available, so that the
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gracefully if optional dependencies are not available, so that the
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:command:`iptest` command can be run with only Nose installed and nothing
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:command:`iptest` command can be run with only Nose installed and nothing
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else. We also have more and cleaner test decorators to better select tests
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else. We also have more and cleaner test decorators to better select tests
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depending on runtime conditions, do setup/teardown, etc.
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depending on runtime conditions, do setup/teardown, etc.
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* The new ipcluster now has a fully working ssh mode that should work on
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Linux, Unix and OS X. Thanks to Vishal Vatsa for implementing this!
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Linux, Unix and OS X. Thanks to Vishal Vatsa for implementing this!
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* The wonderful TextMate editor can now be used with %edit on OS X. Thanks
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* The wonderful TextMate editor can now be used with %edit on OS X. Thanks
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to Matt Foster for this patch.
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to Matt Foster for this patch.
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* The documentation regarding parallel uses of IPython, including MPI and PBS,
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* The documentation regarding parallel uses of IPython, including MPI and PBS,
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has been significantly updated and improved.
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has been significantly updated and improved.
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* The developer guidelines in the documentation have been updated to explain
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* The developer guidelines in the documentation have been updated to explain
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our workflow using :command:`bzr` and Launchpad.
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our workflow using :command:`bzr` and Launchpad.
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* Fully refactored :command:`ipcluster` command line program for starting
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* Fully refactored :command:`ipcluster` command line program for starting
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IPython clusters. This new version is a complete rewrite and 1) is fully
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IPython clusters. This new version is a complete rewrite and 1) is fully
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cross platform (we now use Twisted's process management), 2) has much
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cross platform (we now use Twisted's process management), 2) has much
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improved performance, 3) uses subcommands for different types of clusters, 4)
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improved performance, 3) uses subcommands for different types of clusters, 4)
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uses argparse for parsing command line options, 5) has better support for
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uses argparse for parsing command line options, 5) has better support for
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starting clusters using :command:`mpirun`, 6) has experimental support for
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starting clusters using :command:`mpirun`, 6) has experimental support for
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starting engines using PBS. It can also reuse FURL files, by appropriately
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starting engines using PBS. It can also reuse FURL files, by appropriately
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passing options to its subcommands. However, this new version of ipcluster
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passing options to its subcommands. However, this new version of ipcluster
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should be considered a technology preview. We plan on changing the API in
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should be considered a technology preview. We plan on changing the API in
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significant ways before it is final.
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significant ways before it is final.
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* Full description of the security model added to the docs.
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* Full description of the security model added to the docs.
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* cd completer: show bookmarks if no other completions are available.
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* cd completer: show bookmarks if no other completions are available.
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* sh profile: easy way to give 'title' to prompt: assign to variable
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* sh profile: easy way to give 'title' to prompt: assign to variable
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'_prompt_title'. It looks like this::
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'_prompt_title'. It looks like this::
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[~]|1> _prompt_title = 'sudo!'
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[~]|1> _prompt_title = 'sudo!'
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sudo![~]|2>
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sudo![~]|2>
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* %edit: If you do '%edit pasted_block', pasted_block variable gets updated
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* %edit: If you do '%edit pasted_block', pasted_block variable gets updated
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with new data (so repeated editing makes sense)
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with new data (so repeated editing makes sense)
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.. _Numpy Documentation Standard: http://projects.scipy.org/numpy/wiki/CodingStyleGuidelines#docstring-standard
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.. _Numpy Documentation Standard: http://projects.scipy.org/numpy/wiki/CodingStyleGuidelines#docstring-standard
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.. _argparse: http://code.google.com/p/argparse/
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.. _argparse: http://code.google.com/p/argparse/
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Bug fixes
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Bug fixes
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* Fix #368719, removed top-level debian/ directory to make the job of Debian
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* Fix #368719, removed top-level debian/ directory to make the job of Debian
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packagers easier.
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packagers easier.
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* Fix #291143 by including man pages contributed by Stephan Peijnik from the
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* Fix #291143 by including man pages contributed by Stephan Peijnik from the
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Debian project.
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Debian project.
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* Fix #358202, effectively a race condition, by properly synchronizing file
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* Fix #358202, effectively a race condition, by properly synchronizing file
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creation at cluster startup time.
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creation at cluster startup time.
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* `%timeit` now handles correctly functions that take a long time to execute
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* `%timeit` now handles correctly functions that take a long time to execute
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even the first time, by not repeating them.
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even the first time, by not repeating them.
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* Fix #239054, releasing of references after exiting.
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* Fix #239054, releasing of references after exiting.
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* Fix #341726, thanks to Alexander Clausen.
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* Fix #341726, thanks to Alexander Clausen.
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* Fix #269966. This long-standing and very difficult bug (which is actually a
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* Fix #269966. This long-standing and very difficult bug (which is actually a
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problem in Python itself) meant long-running sessions would inevitably grow
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problem in Python itself) meant long-running sessions would inevitably grow
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in memory size, often with catastrophic consequences if users had large
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in memory size, often with catastrophic consequences if users had large
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objects in their scripts. Now, using `%run` repeatedly should not cause any
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objects in their scripts. Now, using `%run` repeatedly should not cause any
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memory leaks. Special thanks to John Hunter and Sameer D'Costa for their
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memory leaks. Special thanks to John Hunter and Sameer D'Costa for their
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help with this bug.
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help with this bug.
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* Fix #295371, bug in `%history`.
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* Fix #295371, bug in `%history`.
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* Improved support for py2exe.
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* Improved support for py2exe.
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* Fix #270856: IPython hangs with PyGTK
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* Fix #270856: IPython hangs with PyGTK
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* Fix #270998: A magic with no docstring breaks the '%magic magic'
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* Fix #270998: A magic with no docstring breaks the '%magic magic'
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* fix #271684: -c startup commands screw up raw vs. native history
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* fix #271684: -c startup commands screw up raw vs. native history
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* Numerous bugs on Windows with the new ipcluster have been fixed.
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* Numerous bugs on Windows with the new ipcluster have been fixed.
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* The ipengine and ipcontroller scripts now handle missing furl files
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* The ipengine and ipcontroller scripts now handle missing furl files
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more gracefully by giving better error messages.
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more gracefully by giving better error messages.
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* %rehashx: Aliases no longer contain dots. python3.0 binary
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* %rehashx: Aliases no longer contain dots. python3.0 binary
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will create alias python30. Fixes:
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will create alias python30. Fixes:
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#259716 "commands with dots in them don't work"
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#259716 "commands with dots in them don't work"
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* %cpaste: %cpaste -r repeats the last pasted block.
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* %cpaste: %cpaste -r repeats the last pasted block.
|
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The block is assigned to pasted_block even if code
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286
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The block is assigned to pasted_block even if code
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raises exception.
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raises exception.
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288
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* Bug #274067 'The code in get_home_dir is broken for py2exe' was
|
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* Bug #274067 'The code in get_home_dir is broken for py2exe' was
|
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fixed.
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fixed.
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* Many other small bug fixes not listed here by number (see the bzr log for
|
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292
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* Many other small bug fixes not listed here by number (see the bzr log for
|
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198
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more info).
|
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more info).
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Backwards incompatible changes
|
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295
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Backwards incompatible changes
|
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------------------------------
|
|
296
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------------------------------
|
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297
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203
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* `ipykit` and related files were unmaintained and have been removed.
|
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298
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* `ipykit` and related files were unmaintained and have been removed.
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299
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205
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* The :func:`IPython.genutils.doctest_reload` does not actually call
|
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* The :func:`IPython.genutils.doctest_reload` does not actually call
|
|
206
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`reload(doctest)` anymore, as this was causing many problems with the test
|
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301
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`reload(doctest)` anymore, as this was causing many problems with the test
|
|
207
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suite. It still resets `doctest.master` to None.
|
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suite. It still resets `doctest.master` to None.
|
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303
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209
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* While we have not deliberately broken Python 2.4 compatibility, only minor
|
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304
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* While we have not deliberately broken Python 2.4 compatibility, only minor
|
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210
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testing was done with Python 2.4, while 2.5 and 2.6 were fully tested. But
|
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305
|
testing was done with Python 2.4, while 2.5 and 2.6 were fully tested. But
|
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211
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if you encounter problems with 2.4, please do report them as bugs.
|
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306
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if you encounter problems with 2.4, please do report them as bugs.
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307
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213
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* The :command:`ipcluster` now requires a mode argument; for example to start a
|
|
308
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* The :command:`ipcluster` now requires a mode argument; for example to start a
|
|
214
|
cluster on the local machine with 4 engines, you must now type::
|
|
309
|
cluster on the local machine with 4 engines, you must now type::
|
|
215
|
|
|
310
|
|
|
216
|
$ ipcluster local -n 4
|
|
311
|
$ ipcluster local -n 4
|
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217
|
|
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312
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|
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218
|
* The controller now has a ``-r`` flag that needs to be used if you want to
|
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313
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* The controller now has a ``-r`` flag that needs to be used if you want to
|
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219
|
reuse existing furl files. Otherwise they are deleted (the default).
|
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314
|
reuse existing furl files. Otherwise they are deleted (the default).
|
|
220
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|
|
315
|
|
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221
|
* Remove ipy_leo.py. You can use :command:`easy_install ipython-extension` to
|
|
316
|
* Remove ipy_leo.py. You can use :command:`easy_install ipython-extension` to
|
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222
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get it. (done to decouple it from ipython release cycle)
|
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317
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get it. (done to decouple it from ipython release cycle)
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318
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