upstream/ipython Files · IPython/config/profile/ipython_config_sympy.py

use App.instance() in Application.initialize_subapp...

use App.instance() in Application.initialize_subapp This way later calls to App.instance() will return the running application, whereas calling App() would create an isolated Application object.

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             ipython_config_sympy.py
        
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      c = get_config()

      # 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')

      lines = """

      from __future__ import division

      from sympy import *

      x, y, z = symbols('xyz')

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

      f, g, h = map(Function, 'fgh')

      """

      # You have to make sure that attributes that are containers already

      # exist before using them.  Simple assigning a new list will override

      # all previous values.

      if hasattr(c.Global, 'exec_lines'):

          c.Global.exec_lines.append(lines)

      else:

          c.Global.exec_lines = [lines]

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

      if hasattr(c.Global, 'extensions'):

          c.Global.extensions.append('sympy_printing')

      else:

          c.Global.extensions = ['sympy_printing']

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				c = get_config()

				# 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')

				lines = """
				from __future__ import division
				from sympy import *
				x, y, z = symbols('xyz')
				k, m, n = symbols('kmn', integer=True)
				f, g, h = map(Function, 'fgh')
				"""

				# You have to make sure that attributes that are containers already
				# exist before using them. Simple assigning a new list will override
				# all previous values.

				if hasattr(c.Global, 'exec_lines'):
				c.Global.exec_lines.append(lines)
				else:
				c.Global.exec_lines = [lines]

				# Load the sympy_printing extension to enable nice printing of sympy expr's.
				if hasattr(c.Global, 'extensions'):
				c.Global.extensions.append('sympy_printing')
				else:
				c.Global.extensions = ['sympy_printing']