From 04d14ebb26e4aafb5ccc9b2ede873fc4136f8548 Mon Sep 17 00:00:00 2001
From: Fabio Erculiani <lxnay@sabayon.org>
Date: Thu, 6 May 2010 20:41:10 +0200
Subject: [PATCH] [entropy.tools] improve remove_usedeps

---
 libraries/entropy/tools.py | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/libraries/entropy/tools.py b/libraries/entropy/tools.py
index 2259eddf1..3d1c71c9e 100644
--- a/libraries/entropy/tools.py
+++ b/libraries/entropy/tools.py
@@ -1826,16 +1826,18 @@ def remove_usedeps(depend):
     @return: 
     @rtype: 
     """
-    mydepend = depend[:]
+    new_depend = ""
+    skip = 0
+    for char in depend:
+        if char == "[":
+            skip += 1
+        elif char == "]":
+            skip -= 1
+            continue
+        if skip == 0:
+            new_depend += char
 
-    close_bracket = mydepend.find(']')
-    after_closebracket = ''
-    if close_bracket != -1: after_closebracket = mydepend[close_bracket+1:]
-
-    open_bracket = mydepend.find('[')
-    if open_bracket != -1: mydepend = mydepend[:open_bracket]
-
-    return mydepend+after_closebracket
+    return new_depend
 
 def remove_slot(mydep):
     """