[Python-checkins] cpython: Userlist.copy() wasn't returning a UserList.

Thu May 5 23:34:46 CEST 2011

http://hg.python.org/cpython/rev/f20373fcdde5
changeset: 69865:f20373fcdde5
user: Raymond Hettinger <python at rcn.com>
date: Thu May 05 14:34:35 2011 -0700
summary:
 Userlist.copy() wasn't returning a UserList.
files:
 Lib/collections/__init__.py | 2 +-
 Lib/test/test_userlist.py | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/Lib/collections/__init__.py b/Lib/collections/__init__.py
--- a/Lib/collections/__init__.py
+++ b/Lib/collections/__init__.py
@@ -887,7 +887,7 @@
 def pop(self, i=-1): return self.data.pop(i)
 def remove(self, item): self.data.remove(item)
 def clear(self): self.data.clear()
- def copy(self): return self.data.copy()
+ def copy(self): return self.__class__(self)
 def count(self, item): return self.data.count(item)
 def index(self, item, *args): return self.data.index(item, *args)
 def reverse(self): self.data.reverse()
diff --git a/Lib/test/test_userlist.py b/Lib/test/test_userlist.py
--- a/Lib/test/test_userlist.py
+++ b/Lib/test/test_userlist.py
@@ -52,6 +52,12 @@
 return str(key) + '!!!'
 self.assertEqual(next(iter(T((1,2)))), "0!!!")
 
+ def test_userlist_copy(self):
+ u = self.type2test([6, 8, 1, 9, 1])
+ v = u.copy()
+ self.assertEqual(u, v)
+ self.assertEqual(type(u), type(v))
+
 def test_main():
 support.run_unittest(UserListTest)
 
-- 
Repository URL: http://hg.python.org/cpython
