upstream/ipython Files · docs/source/whatsnew/version4.rst

Backport PR : Qt5 fix...

Backport PR : Qt5 fix Fix for issue . The problem was that IPython.external.qt was moved to qtconsole.qt, but IPython.external.qt_for_kernel was still trying to import IPython.external.qt. Rather than copying the qt.py file back to external, this PR merges the logic back into qt_for_kernel.py. Deferring to qt.py was a bit silly because both qt.py and qt_for_kernel.py do basically the same thing but in slightly different ways. Moreover, the assumption of qt.py was that if the QT_API environment variable is set, it must be in an ETS environment and need to comply by the ETS import logic. This is not valid, as ipython sets the QT_API environment variable to communicate intent as to Qt version, in `IPython/lib/inputhook.py:385` ...

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        Min RK
    
prepare what's new for 4.0

              r21595
            
      ============

       4.x Series

      ============

      IPython 4.0

      ===========

      Released August, 2015

      IPython 4.0 is the first major release after the Big Split.

      IPython no longer contains the notebook, qtconsole, etc. which have moved to

      `jupyter <https://jupyter.readthedocs.org>`_.

      IPython subprojects, such as `IPython.parallel <https://ipyparallel.readthedocs.org>`_ and `widgets <https://ipywidgets.readthedocs.org>`_ have moved to their own repos as well.

      The following subpackages are deprecated:

      - IPython.kernel (now jupyter_client and ipykernel)

      - IPython.consoleapp (now jupyter_client.consoleapp)

      - IPython.nbformat (now nbformat)

      - IPython.nbconvert (now nbconvert)

      - IPython.html (now notebook)

      - IPython.parallel (now ipyparallel)

      - IPython.utils.traitlets (now traitlets)

      - IPython.config (now traitlets.config)

      - IPython.qt (now qtconsole)

      - IPython.terminal.console (now jupyter_console)

      and a few other utilities.

      Shims for the deprecated subpackages have been added,

      so existing code should continue to work with a warning about the new home.

      There are few changes to the code beyond the reorganization and some bugfixes.

      IPython highlights:

      - Public APIs for discovering IPython paths is moved from :mod:`IPython.utils.path` to :mod:`IPython.paths`.

        The old function locations continue to work with deprecation warnings.

      - Code raising ``DeprecationWarning``

        entered by the user in an interactive session will now display the warning by

        default. See :ghpull:`8480` an :ghissue:`8478`.

      - The `--deep-reload` flag and the corresponding options to inject `dreload` or

        `reload` into the interactive namespace have been deprecated, and will be

        removed in future versions. You should now explicitly import `reload` from

        `IPython.lib.deepreload` to use it.

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Min RK prepare what's new for 4.0	r21595	============
		4.x Series
		============

		IPython 4.0
		===========

		Released August, 2015

		IPython 4.0 is the first major release after the Big Split.
		IPython no longer contains the notebook, qtconsole, etc. which have moved to
		`jupyter <https://jupyter.readthedocs.org>`_.
		IPython subprojects, such as `IPython.parallel <https://ipyparallel.readthedocs.org>`_ and `widgets <https://ipywidgets.readthedocs.org>`_ have moved to their own repos as well.

		The following subpackages are deprecated:

		- IPython.kernel (now jupyter_client and ipykernel)
		- IPython.consoleapp (now jupyter_client.consoleapp)
		- IPython.nbformat (now nbformat)
		- IPython.nbconvert (now nbconvert)
		- IPython.html (now notebook)
		- IPython.parallel (now ipyparallel)
		- IPython.utils.traitlets (now traitlets)
		- IPython.config (now traitlets.config)
		- IPython.qt (now qtconsole)
		- IPython.terminal.console (now jupyter_console)

		and a few other utilities.

		Shims for the deprecated subpackages have been added,
		so existing code should continue to work with a warning about the new home.

		There are few changes to the code beyond the reorganization and some bugfixes.

		IPython highlights:

		- Public APIs for discovering IPython paths is moved from :mod:`IPython.utils.path` to :mod:`IPython.paths`.
		The old function locations continue to work with deprecation warnings.
		- Code raising ``DeprecationWarning``
		entered by the user in an interactive session will now display the warning by
		default. See :ghpull:`8480` an :ghissue:`8478`.
		- The `--deep-reload` flag and the corresponding options to inject `dreload` or
		`reload` into the interactive namespace have been deprecated, and will be
		removed in future versions. You should now explicitly import `reload` from
		`IPython.lib.deepreload` to use it.