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

immutable.

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

1 files changed, 9 insertions, 0 deletions

diff --git a/pym/portage/dep.py b/pym/portage/dep.py
index df082eb70..cf06eca7f 100644
--- 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.