From 7a9607ad10fff8fcfdfeb67da8bf9b60a36feb13 Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Sat, 12 Sep 2009 13:10:59 +0000
Subject: Implement Atom.__copy__ and __deepcopy__ to return self, since
 instances are immutable.

svn path=/main/trunk/; revision=14223
---
 pym/portage/dep.py | 9 +++++++++
 1 file changed, 9 insertions(+)

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.
-- 
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