split_user_input users different pattern for splitting in alias expansion

IPython/iplib.py

@@ -6,7 +6,7 b' Requires Python 2.3 or newer.'
 
 This file contains all the classes and helper functions specific to IPython.
 
-$Id: iplib.py 2168 2007-03-23 00:57:04Z fperez $
+$Id: iplib.py 2172 2007-03-23 14:04:07Z vivainio $
 """
 
 #*****************************************************************************
@@ -491,6 +491,11 b' class InteractiveShell(object,Magic):'
                                      r'([\?\w\.]+\w*\s*)'
                                      r'(\(?.*$)')
 
+        self.shell_line_split = re.compile(r'^(\s*)'
+                                     r'(\S*\s*)'
+                                     r'(\(?.*$)')
+
+
         # A simpler regexp used as a fallback if the above doesn't work.  This
         # one is more conservative in how it partitions the input.  This code
         # can probably be cleaned up to do everything with just one regexp, but
@@ -1701,7 +1706,8 b' want to merge them back into the new files.""" % locals()'
         
         done = Set()
         while 1:
-            pre,fn,rest = self.split_user_input(line)
+            pre,fn,rest = self.split_user_input(line, pattern = self.shell_line_split)
+            # print "!",fn,"!",rest # dbg
             if fn in self.alias_table:
                 if fn in done:
                     warn("Cyclic alias definition, repeated '%s'" % fn)
@@ -2020,10 +2026,13 b' want to merge them back into the new files.""" % locals()'
         else:
             return lineout
 
-    def split_user_input(self,line):
+    def split_user_input(self,line, pattern = None):
         """Split user input into pre-char, function part and rest."""
 
-        lsplit = self.line_split.match(line)
+        if pattern is None:
+            pattern = self.line_split
+            
+        lsplit = pattern.match(line)
         if lsplit is None:  # no regexp match returns None
             #print "match failed for line '%s'" % line  # dbg
             try:

doc/ChangeLog

@@ -1,3 +1,12 b''
[phone]  Ville Vainio  <[e-mail]>
+
+	* iplib.py: recursive alias expansion now works better, so that
+	cases like 'top' -> 'd:/cygwin/top' -> 'ls :/cygwin/top'
+	doesn't trip up the process, if 'd' has been aliased to 'ls'.
+	
+	* Extensions/ipy_gnuglobal.py added, provides %global magic
+	for users of http://www.gnu.org/software/global
+
 2007-03-23  Fernando Perez  <[e-mail]>
 
 	* IPython/FakeModule.py (FakeModule.__init__): Small fix to