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

Refuse to install event loop hooks when not using `prompt_toolkit` (#14132)...

Refuse to install event loop hooks when not using `prompt_toolkit` (#14132) Without this, `%gui` is effectively a no-op but the user thinks it works. For example. If running `ipython`: ``` In [1]: import matplotlib; matplotlib.use('QtAgg'); from matplotlib import pyplot; pyplot.ion(); pyplot.plot([1, 2, 3, 4]) Installed qt6 event loop hook. Out[1]: [<matplotlib.lines.Line2D at 0x1ba2f59d2a0>] ``` The window appears and responds as expected. If running `ipython --simple-prompt`, the user would see the same output, when in fact no event loop hook was installed since it's not supported without `prompt_toolkit`. The resulting Qt window is unresponsive because the event loop is not running, i.e. with `--simple-prompt`, Qt windows should block (but `pyplot` doesn't/can't know to do that) With this PR, the user will see: ``` In [1]: import matplotlib; matplotlib.use('QtAgg'); from matplotlib import pyplot; pyplot.ion(); pyplot.plot([1, 2, 3, 4]) Cannot install event loop hook for "qt" when running with `--simple-prompt`. NOTE: Tk is supported natively; use Tk apps and Tk backends with `--simple-prompt`. Out[1]: [<matplotlib.lines.Line2D at 0x170be0c0310>] ``` They'll still get an unresponsive Qt window, but they'll at least be told this can't work (while anything using Tk will work just fine).

Matthias Bussonnier - - Load All Authors

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

      """Release data for the IPython project."""

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

      #  Copyright (c) 2008, IPython Development Team.

      #  Copyright (c) 2001, Fernando Perez <fernando.perez@colorado.edu>

      #  Copyright (c) 2001, Janko Hauser <jhauser@zscout.de>

      #  Copyright (c) 2001, Nathaniel Gray <n8gray@caltech.edu>

      #

      #  Distributed under the terms of the Modified BSD License.

      #

      #  The full license is in the file COPYING.txt, distributed with this software.

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

      # IPython version information.  An empty _version_extra corresponds to a full

      # release.  'dev' as a _version_extra string means this is a development

      # version

      _version_major = 8

      _version_minor = 15

      _version_patch = 0

      _version_extra = ".dev"

      # _version_extra = "rc1"

      # _version_extra = ""  # Uncomment this for full releases

      # Construct full version string from these.

      _ver = [_version_major, _version_minor, _version_patch]

      __version__ = '.'.join(map(str, _ver))

      if _version_extra:

          __version__ = __version__  + _version_extra

      version = __version__  # backwards compatibility name

      version_info = (_version_major, _version_minor, _version_patch, _version_extra)

      # Change this when incrementing the kernel protocol version

      kernel_protocol_version_info = (5, 0)

      kernel_protocol_version = "%i.%i" % kernel_protocol_version_info

      license = "BSD-3-Clause"

      authors = {'Fernando' : ('Fernando Perez','fperez.net@gmail.com'),

                 'Janko'    : ('Janko Hauser','jhauser@zscout.de'),

                 'Nathan'   : ('Nathaniel Gray','n8gray@caltech.edu'),

                 'Ville'    : ('Ville Vainio','vivainio@gmail.com'),

                 'Brian'    : ('Brian E Granger', 'ellisonbg@gmail.com'),

                 'Min'      : ('Min Ragan-Kelley', 'benjaminrk@gmail.com'),

                 'Thomas'   : ('Thomas A. Kluyver', 'takowl@gmail.com'),

                 'Jorgen'   : ('Jorgen Stenarson', 'jorgen.stenarson@bostream.nu'),

                 'Matthias' : ('Matthias Bussonnier', 'bussonniermatthias@gmail.com'),

                 }

      author = 'The IPython Development Team'

      author_email = 'ipython-dev@python.org'

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				# -- coding: utf-8 --
				"""Release data for the IPython project."""

				#-----------------------------------------------------------------------------
				# Copyright (c) 2008, IPython Development Team.
				# Copyright (c) 2001, Fernando Perez <fernando.perez@colorado.edu>
				# Copyright (c) 2001, Janko Hauser <jhauser@zscout.de>
				# Copyright (c) 2001, Nathaniel Gray <n8gray@caltech.edu>
				#
				# Distributed under the terms of the Modified BSD License.
				#
				# The full license is in the file COPYING.txt, distributed with this software.
				#-----------------------------------------------------------------------------

				# IPython version information. An empty _version_extra corresponds to a full
				# release. 'dev' as a _version_extra string means this is a development
				# version
				_version_major = 8
				_version_minor = 15
				_version_patch = 0
				_version_extra = ".dev"
				# _version_extra = "rc1"
				# _version_extra = "" # Uncomment this for full releases

				# Construct full version string from these.
				_ver = [_version_major, _version_minor, _version_patch]

				__version__ = '.'.join(map(str, _ver))
				if _version_extra:
				__version__ = __version__ + _version_extra

				version = __version__ # backwards compatibility name
				version_info = (_version_major, _version_minor, _version_patch, _version_extra)

				# Change this when incrementing the kernel protocol version
				kernel_protocol_version_info = (5, 0)
				kernel_protocol_version = "%i.%i" % kernel_protocol_version_info

				license = "BSD-3-Clause"

				authors = {'Fernando' : ('Fernando Perez','fperez.net@gmail.com'),
				'Janko' : ('Janko Hauser','jhauser@zscout.de'),
				'Nathan' : ('Nathaniel Gray','n8gray@caltech.edu'),
				'Ville' : ('Ville Vainio','vivainio@gmail.com'),
				'Brian' : ('Brian E Granger', 'ellisonbg@gmail.com'),
				'Min' : ('Min Ragan-Kelley', 'benjaminrk@gmail.com'),
				'Thomas' : ('Thomas A. Kluyver', 'takowl@gmail.com'),
				'Jorgen' : ('Jorgen Stenarson', 'jorgen.stenarson@bostream.nu'),
				'Matthias' : ('Matthias Bussonnier', 'bussonniermatthias@gmail.com'),
				}

				author = 'The IPython Development Team'

				author_email = 'ipython-dev@python.org'