From 6c82a4572e14a7ce52f8bbd39f9b2beacc7e2ac5 2012-07-27 14:47:45
From: Bradley M. Froehle <brad.froehle@gmail.com>
Date: 2012-07-27 14:47:45
Subject: [PATCH] Merge pull request #2200 from bfroehle/use_alias_magic

documentation build broken in bb429da5b

Sphinx breaks if a class's `__doc__` attribute is a property, so just set it
as an instance variable in `MagicAlias.__init__` instead.
---

diff --git a/IPython/core/magic.py b/IPython/core/magic.py
index 010f311..0b1dfe0 100644
--- a/IPython/core/magic.py
+++ b/IPython/core/magic.py
@@ -647,7 +647,7 @@ class Magics(object):
         self.options_table[fn] = optstr
 
 class MagicAlias(object):
-    """Store a magic alias.
+    """An alias to another magic function.
 
     An alias is determined by its magic name and magic kind. Lookup
     is done at call time, so if the underlying magic changes the alias
@@ -661,16 +661,10 @@ class MagicAlias(object):
         self.magic_name = magic_name
         self.magic_kind = magic_kind
 
-        self._in_call = False
-
-    @property
-    def pretty_target(self):
-        """A formatted version of the target of the alias."""
-        return '%s%s' % (magic_escapes[self.magic_kind], self.magic_name)
+        self.pretty_target = '%s%s' % (magic_escapes[self.magic_kind], self.magic_name)
+        self.__doc__ = "Alias for `%s`." % self.pretty_target
 
-    @property
-    def __doc__(self):
-        return "Alias for `%s`." % self.pretty_target
+        self._in_call = False
 
     def __call__(self, *args, **kwargs):
         """Call the magic alias."""