upstream/ipython Files · IPython/lib/tests/test_pylabtools.py

disallow no-prefix `ipython foo=bar` argument style....

disallow no-prefix `ipython foo=bar` argument style. This style is in rc1, but will be removed in rc2. Since they don't match any flag pattern, rc1-style arguments will be interpreted by IPython as files to be run. So `ipython gui=foo -i` will exec gui=foo, and pass '-i' to gui=foo. Presumably this file won't exist, so there will be an error: Error in executing file in user namespace: gui=foo Assignments *must* have two leading '-', as in: ipython --foo=bar all flags (non-assignments) can be specified with one or two leading '-', as in: ipython -i --pylab -pdb --pprint script.py or ipython --i -pylab --pdb -pprint script.py but help only reports two-leading, as single-leading options will likely be removed on moving to argparse, where they will be replaced by single-letter aliases. The common remaining invalid option will be: ipython -foo=bar and a suggestion for 'did you mean --foo=bar'? will be presented in these cases.

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             test_pylabtools.py
        
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      """Tests for pylab tools module.

      """

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

      # Copyright (c) 2011, the IPython Development Team.

      #

      # Distributed under the terms of the Modified BSD License.

      #

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

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

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

      # Imports

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

      from __future__ import print_function

      # Stdlib imports

      # Third-party imports

      import matplotlib; matplotlib.use('Agg')

      import nose.tools as nt

      from matplotlib import pyplot as plt

      # Our own imports

      from IPython.testing import decorators as dec

      from .. import pylabtools as pt

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

      # Globals and constants

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

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

      # Local utilities

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

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

      # Classes and functions

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

      @dec.parametric

      def test_figure_to_svg():

          # simple empty-figure test

          fig = plt.figure()

          yield nt.assert_equal(pt.print_figure(fig, 'svg'), None)

          plt.close('all')

          # simple check for at least svg-looking output

          fig = plt.figure()

          ax = fig.add_subplot(1,1,1)

          ax.plot([1,2,3])

          plt.draw()

          svg = pt.print_figure(fig, 'svg')[:100].lower()

          yield nt.assert_true('doctype svg' in svg)

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				"""Tests for pylab tools module.
				"""
				#-----------------------------------------------------------------------------
				# Copyright (c) 2011, the IPython Development Team.
				#
				# Distributed under the terms of the Modified BSD License.
				#
				# The full license is in the file COPYING.txt, distributed with this software.
				#-----------------------------------------------------------------------------

				#-----------------------------------------------------------------------------
				# Imports
				#-----------------------------------------------------------------------------
				from __future__ import print_function

				# Stdlib imports

				# Third-party imports
				import matplotlib; matplotlib.use('Agg')
				import nose.tools as nt

				from matplotlib import pyplot as plt

				# Our own imports
				from IPython.testing import decorators as dec
				from .. import pylabtools as pt

				#-----------------------------------------------------------------------------
				# Globals and constants
				#-----------------------------------------------------------------------------

				#-----------------------------------------------------------------------------
				# Local utilities
				#-----------------------------------------------------------------------------

				#-----------------------------------------------------------------------------
				# Classes and functions
				#-----------------------------------------------------------------------------

				@dec.parametric
				def test_figure_to_svg():
				# simple empty-figure test
				fig = plt.figure()
				yield nt.assert_equal(pt.print_figure(fig, 'svg'), None)

				plt.close('all')

				# simple check for at least svg-looking output
				fig = plt.figure()
				ax = fig.add_subplot(1,1,1)
				ax.plot([1,2,3])
				plt.draw()
				svg = pt.print_figure(fig, 'svg')[:100].lower()
				yield nt.assert_true('doctype svg' in svg)