upstream/ipython Files · IPython/nbconvert/writers/tests/test_stdout.py

get rid of most slowdown at notebook loading....

get rid of most slowdown at notebook loading. 1) Do not setOption('mode',new_mode) on CM if new and old mode are the same. It triggert **a lot** of calculation of bounding box in the end. 2) Do **not** select cell when loading the notebook it triggers **a lot** of CM even that check visible things and so on and so forth. So add a option to add_cell_at_index not to select it 3) jQuery $.attr has some magics, but has a slight overhead on real native ELEM.setAttribute DOM method. Seem slight improvement when loads of PNGs on one page

Thomas Kluyver - - Load All Authors

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             test_stdout.py
        
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      """

      Module with tests for stdout

      """

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

      # Copyright (c) 2013, 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

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

      import sys

      from ...tests.base import TestsBase

      from ..stdout import StdoutWriter

      from IPython.utils.py3compat import PY3

      if PY3:

          from io import StringIO

      else:

          from StringIO import StringIO

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

      # Class

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

      class TestStdout(TestsBase):

          """Contains test functions for stdout.py"""

          def test_output(self):

              """Test stdout writer output."""

              # Capture the stdout.  Remember original.

              stdout = sys.stdout

              stream = StringIO()

              sys.stdout = stream

              # Create stdout writer, test output

              writer = StdoutWriter()

              writer.write('a', {'b': 'c'})

              output = stream.getvalue()

              self.fuzzy_compare(output, 'a')

              # Revert stdout

              sys.stdout = stdout

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				"""
				Module with tests for stdout
				"""

				#-----------------------------------------------------------------------------
				# Copyright (c) 2013, 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
				#-----------------------------------------------------------------------------

				import sys

				from ...tests.base import TestsBase
				from ..stdout import StdoutWriter
				from IPython.utils.py3compat import PY3

				if PY3:
				from io import StringIO
				else:
				from StringIO import StringIO


				#-----------------------------------------------------------------------------
				# Class
				#-----------------------------------------------------------------------------

				class TestStdout(TestsBase):
				"""Contains test functions for stdout.py"""

				def test_output(self):
				"""Test stdout writer output."""

				# Capture the stdout. Remember original.
				stdout = sys.stdout
				stream = StringIO()
				sys.stdout = stream

				# Create stdout writer, test output
				writer = StdoutWriter()
				writer.write('a', {'b': 'c'})
				output = stream.getvalue()
				self.fuzzy_compare(output, 'a')

				# Revert stdout
				sys.stdout = stdout