From 38b91d25dd388315345c59ed3b2875500ed8be63 2014-09-04 21:42:07
From: Thomas Kluyver <takowl@gmail.com>
Date: 2014-09-04 21:42:07
Subject: [PATCH] Merge pull request #6379 from ivanov/under-completion

better underscore completion
---

diff --git a/IPython/core/completer.py b/IPython/core/completer.py
index ac61fec..125590f 100644
--- a/IPython/core/completer.py
+++ b/IPython/core/completer.py
@@ -46,25 +46,11 @@ Notes:
   used, and this module (and the readline module) are silently inactive.
 """
 
-#*****************************************************************************
+# Copyright (c) IPython Development Team.
+# Distributed under the terms of the Modified BSD License.
 #
-# Since this file is essentially a minimally modified copy of the rlcompleter
-# module which is part of the standard Python distribution, I assume that the
-# proper procedure is to maintain its copyright as belonging to the Python
-# Software Foundation (in addition to my own, for all new code).
-#
-#       Copyright (C) 2008 IPython Development Team
-#       Copyright (C) 2001 Fernando Perez. <fperez@colorado.edu>
-#       Copyright (C) 2001 Python Software Foundation, www.python.org
-#
-#  Distributed under the terms of the BSD License.  The full license is in
-#  the file COPYING, distributed as part of this software.
-#
-#*****************************************************************************
-
-#-----------------------------------------------------------------------------
-# Imports
-#-----------------------------------------------------------------------------
+# Some of this code originated from rlcompleter in the Python standard library
+# Copyright (C) 2001 Python Software Foundation, www.python.org
 
 import __main__
 import glob
@@ -735,7 +721,7 @@ class IPCompleter(Completer):
                     else:
                         # true if txt is _not_ a _ name, false otherwise:
                         no__name = (lambda txt:
-                                    re.match(r'.*\._.*?',txt) is None)
+                                    re.match(r'\._.*?',txt[txt.rindex('.'):]) is None)
                     matches = filter(no__name, matches)
             except NameError:
                 # catches <undefined attributes>.<tab>
diff --git a/IPython/core/tests/test_completer.py b/IPython/core/tests/test_completer.py
index 3fb77a3..340b28e 100644
--- a/IPython/core/tests/test_completer.py
+++ b/IPython/core/tests/test_completer.py
@@ -222,6 +222,7 @@ def test_omit__names():
     # also happens to test IPCompleter as a configurable
     ip = get_ipython()
     ip._hidden_attr = 1
+    ip._x = {}
     c = ip.Completer
     ip.ex('ip=get_ipython()')
     cfg = Config()
@@ -240,6 +241,8 @@ def test_omit__names():
     s,matches = c.complete('ip.')
     nt.assert_not_in('ip.__str__', matches)
     nt.assert_not_in('ip._hidden_attr', matches)
+    s,matches = c.complete('ip._x.')
+    nt.assert_in('ip._x.keys', matches)
     del ip._hidden_attr