Adding new magics to install config files and profiles.

* %install_profiles will install the default profiles in .ipython.
* %install_default_config will install the default config file
  (ipython_config.py) into .ipython.

IPython/config/default/ipython_config.py

@@ -13,7 +13,7 b' c = get_config()'
 
 # Set this to determine the detail of what is logged at startup.
 # The default is 30 and possible values are 0,10,20,30,40,50.
-c.Global.log_level = 20
+# c.Global.log_level = 20
 
 # This should be a list of importable Python modules that have an
 # load_in_ipython(ip) method.  This method gets called when the extension

IPython/core/magic.py

@@ -21,6 +21,7 b' import os'
 import pdb
 import pydoc
 import sys
+import shutil
 import re
 import tempfile
 import time
@@ -3549,4 +3550,59 b' Defaulting color scheme to \'NoColor\'"""'
         """Reload an IPython extension by its module name."""
         self.reload_extension(module_str)
 
+    def magic_install_profiles(self, s):
+        """Install the default IPython profiles into the .ipython dir.
+
+        If the default profiles have already been installed, they will not
+        be overwritten. You can force overwriting them by using the ``-o``
+        option::
+
+            In [1]: %install_profiles -o
+        """
+        if '-o' in s:
+            overwrite = True
+        else:
+            overwrite = False
+        from IPython.config import profile
+        profile_dir = os.path.split(profile.__file__)[0]
+        ipythondir = self.ipythondir
+        files = os.listdir(profile_dir)
+
+        to_install = []
+        for f in files:
+            if f.startswith('ipython_config'):
+                src = os.path.join(profile_dir, f)
+                dst = os.path.join(ipythondir, f)
+                if (not os.path.isfile(dst)) or overwrite:
+                    to_install.append((f, src, dst))
+        if len(to_install)>0:
+            print "Installing profiles to: ", ipythondir
+            for (f, src, dst) in to_install:
+                shutil.copy(src, dst)
+                print "    %s" % f
+
+    def magic_install_default_config(self, s):
+        """Install IPython's default config file into the .ipython dir.
+
+        If the default config file (:file:`ipython_config.py`) is already
+        installed, it will not be overwritten. You can force overwriting
+        by using the ``-o`` option::
+
+            In [1]: %install_default_config
+        """
+        if '-o' in s:
+            overwrite = True
+        else:
+            overwrite = False
+        from IPython.config import default
+        config_dir = os.path.split(default.__file__)[0]
+        ipythondir = self.ipythondir
+        default_config_file_name = 'ipython_config.py'
+        src = os.path.join(config_dir, default_config_file_name)
+        dst = os.path.join(ipythondir, default_config_file_name)
+        if (not os.path.isfile(dst)) or overwrite:
+            shutil.copy(src, dst)
+            print "Installing default config file: %s" % dst
+
+
 # end Magic