Implement Atom.__copy__ and __deepcopy__ to return self, since instances are

immutable.

svn path=/main/trunk/; revision=14223

diff --git a/pym/portage/dep.py b/pym/portage/dep.py
index df082eb700fc0e8c488104dd460d28c03a2ba15e..cf06eca7f3d0d92783e3a49e09fe8ae5f44dca5c 100644 (file)
--- a/pym/portage/dep.py
+++ b/pym/portage/dep.py
@@ -657,6 +657,15 @@ class Atom(object):
        def rstrip(self, *pargs, **kargs):
                return self._str.rstrip(*pargs, **kargs)
 
+       def __copy__(self):
+               """Immutable, so returns self."""
+               return self
+
+       def __deepcopy__(self, memo=None):
+               """Immutable, so returns self."""
+               memo[id(self)] = self
+               return self
+
 def get_operator(mydep):
        """
        Return the operator used in a depstring.