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c = get_config()
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app = c.InteractiveShellApp
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# This can be used at any point in a config file to load a sub config
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# and merge it into the current one.
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load_subconfig('ipython_config.py', profile='default')
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lines = """
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from __future__ import division
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from sympy import *
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x, y, z, t = symbols('x y z t')
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k, m, n = symbols('k m n', integer=True)
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f, g, h = symbols('f g h', cls=Function)
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"""
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# You have to make sure that attributes that are containers already
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# exist before using them. Simple assigning a new list will override
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# all previous values.
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if hasattr(app, 'exec_lines'):
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app.exec_lines.append(lines)
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else:
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app.exec_lines = [lines]
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# Load the sympy_printing extension to enable nice printing of sympy expr's.
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if hasattr(app, 'extensions'):
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app.extensions.append('sympyprinting')
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else:
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app.extensions = ['sympyprinting']
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