update bundled profiles to use extend

IPython/config/profile/cluster/ipython_config.py

@@ -1,19 +1,13 b''
 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 IPython.parallel import *
 """
 
-# 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(app, 'exec_lines'):
-    app.exec_lines.append(lines)
-else:
-    app.exec_lines = [lines]
+app.exec_lines.append(lines)
 

IPython/config/profile/math/ipython_config.py

@@ -1,21 +1,13 b''
 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 = """
 import cmath
 from math import *
 """
 
-# 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(app, 'exec_lines'):
-    app.exec_lines.append(lines)
-else:
-    app.exec_lines = [lines]
-
+app.exec_lines.append(lines)

IPython/config/profile/pysh/ipython_config.py

@@ -1,30 +1,24 b''
 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')
 
 c.PromptManager.in_template = r'{color.LightGreen}\u@\h{color.LightBlue}[{color.LightCyan}\Y1{color.LightBlue}]{color.Green}|\#> '
 c.PromptManager.in2_template = r'{color.Green}|{color.LightGreen}\D{color.Green}> '
 c.PromptManager.out_template = r'<\#> '
 
 c.PromptManager.justify = True
 
 c.InteractiveShell.separate_in = ''
 c.InteractiveShell.separate_out = ''
 c.InteractiveShell.separate_out2 = ''
 
 c.PrefilterManager.multi_line_specials = True
 
 lines = """
 %rehashx
 """
 
-# 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(app, 'exec_lines'):
-    app.exec_lines.append(lines)
-else:
-    app.exec_lines = [lines]
+app.exec_lines.append(lines)

IPython/config/profile/sympy/ipython_config.py

@@ -1,30 +1,20 b''
 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)
 """
 
-# 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(app, 'exec_lines'):
-    app.exec_lines.append(lines)
-else:
-    app.exec_lines = [lines]
+app.exec_lines.append(lines)
 
 # Load the sympy_printing extension to enable nice printing of sympy expr's.
-if hasattr(app, 'extensions'):
-    app.extensions.append('sympyprinting')
-else:
-    app.extensions = ['sympyprinting']
+app.extensions.append('sympy.interactive.ipythonprinting')