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# Module: `core.pylabtools`

Pylab (matplotlib) support utilities.

## Authors

- Fernando Perez.
- Brian Granger

## 10 Functions

`IPython.core.pylabtools.``getfigs`(*fig_nums)

  Get a list of matplotlib figures by figure numbers.

  If no arguments are given, all available figures are returned. If the argument list contains references to invalid figures, a warning is printed but the function continues pasting further figures.

  Parameters : | figs : tuple A tuple of ints giving the figure numbers of the figures to return.

`IPython.core.pylabtools.``figsize`(sizex, sizey)

  Set the default figure size to be [sizex, sizey].

  This is just an easy to remember, convenience wrapper that sets:

      matplotlib.rcParams['figure.figsize'] = [sizex, sizey]

`IPython.core.pylabtools.``print_figure`(fig, fmt='png')

  Convert a figure to svg or png for inline display.

`IPython.core.pylabtools.``retina_figure`(fig)

  format a figure as a pixel-doubled (retina) PNG

`IPython.core.pylabtools.``mpl_runner`(safe_execfile)

  Factory to return a matplotlib-enabled runner for %run.

  Parameters : | safe_execfile : function This must be a function with the same interface as the `safe_execfile()` method of IPython.
  Returns : | A function suitable for use as the ``runner`` argument of the %run magic : function. :

`IPython.core.pylabtools.``select_figure_format`(shell, fmt)

  Select figure format for inline backend, can be ‘png’, ‘retina’, or ‘svg’.

  Using this method ensures only one figure format is active at a time.

`IPython.core.pylabtools.``find_gui_and_backend`(gui=None, gui_select=None)

  Given a gui string return the gui and mpl backend.

  Parameters : | gui : str Can be one of (‘tk’,’gtk’,’wx’,’qt’,’qt4’,’inline’). gui_select : str Can be one of (‘tk’,’gtk’,’wx’,’qt’,’qt4’,’inline’). This is any gui already selected by the shell.
  Returns : | A tuple of (gui, backend) where backend is one of (‘TkAgg’,’GTKAgg’, : ‘WXAgg’,’Qt4Agg’,’module://IPython.kernel.zmq.pylab.backend_inline’). :

`IPython.core.pylabtools.``activate_matplotlib`(backend)

  Activate the given backend and set interactive to True.

`IPython.core.pylabtools.``import_pylab`(user_ns, import_all=True)

  Populate the namespace with pylab-related values.

  Imports matplotlib, pylab, numpy, and everything from pylab and numpy.

  Also imports a few names from IPython (figsize, display, getfigs)

`IPython.core.pylabtools.``configure_inline_support`(shell, backend)

  Configure an IPython shell object for matplotlib use.

  Parameters : | shell : InteractiveShell instance backend : matplotlib backend

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