Cache results of dep_getcpv() calls.

svn path=/main/trunk/; revision=5251

diff --git a/pym/portage_dep.py b/pym/portage_dep.py
index c0f6467e55038806f1442e70f4c181954544ff48..d665507a6e3213f2861a1fcf4bcee993945f4fe7 100644 (file)
--- a/pym/portage_dep.py
+++ b/pym/portage_dep.py
@@ -257,6 +257,8 @@ def get_operator(mydep):
 
        return operator
 
+_dep_getcpv_cache = {}
+
 def dep_getcpv(mydep):
        """
        Return the category-package-version with any operators/slot specifications stripped off
@@ -270,6 +272,11 @@ def dep_getcpv(mydep):
        @rtype: String
        @return: The depstring with the operator removed
        """
+       global _dep_getcpv_cache
+       retval = _dep_getcpv_cache.get(mydep, None)
+       if retval is not None:
+               return retval
+       mydep_orig = mydep
        if mydep and mydep[0] == "*":
                mydep = mydep[1:]
        if mydep and mydep[-1] == "*":
@@ -282,7 +289,8 @@ def dep_getcpv(mydep):
                mydep = mydep[1:]
        colon = mydep.rfind(":")
        if colon != -1:
-               return mydep[:colon]
+               mydep = mydep[:colon]
+       _dep_getcpv_cache[mydep_orig] = mydep
        return mydep
 
 def dep_getslot(mydep):