upstream/ipython Files · IPython/config/profile/sympy/ipython_config.py

Backport PR : fix n^2 performance issue in coalesce_streams preprocessor...

Backport PR : fix n^2 performance issue in coalesce_streams preprocessor for n consecutive stream outputs, `\r` fix would be compiled n times, and applied to each ith output (n-i) times. - move pattern to module level - apply replacement after coalescing outputs An example notebook from nbviewer with ~1k outputs that was taking 90 seconds to render now takes 3 seconds.

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             ipython_config.py
        
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             / IPython / config / profile / sympy / ipython_config.py
          
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      c = get_config()

      app = c.InteractiveShellApp

      # This can be used at any point in a config file to load a sub config

      # and merge it into the current one.

      load_subconfig('ipython_config.py', profile='default')

      lines = """

      from __future__ import division

      from sympy import *

      x, y, z, t = symbols('x y z t')

      k, m, n = symbols('k m n', integer=True)

      f, g, h = symbols('f g h', cls=Function)

      """

      app.exec_lines.append(lines)

      # Load the sympy_printing extension to enable nice printing of sympy expr's.

      app.extensions.append('sympy.interactive.ipythonprinting')

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				c = get_config()
				app = c.InteractiveShellApp

				# This can be used at any point in a config file to load a sub config
				# and merge it into the current one.
				load_subconfig('ipython_config.py', profile='default')

				lines = """
				from __future__ import division
				from sympy import *
				x, y, z, t = symbols('x y z t')
				k, m, n = symbols('k m n', integer=True)
				f, g, h = symbols('f g h', cls=Function)
				"""

				app.exec_lines.append(lines)

				# Load the sympy_printing extension to enable nice printing of sympy expr's.
				app.extensions.append('sympy.interactive.ipythonprinting')