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| author | Fred Drake <fdrake@acm.org> | 2000-10-06 19:26:01 (GMT) |
|---|---|---|
| committer | Fred Drake <fdrake@acm.org> | 2000-10-06 19:26:01 (GMT) |
| commit | cc773d3b11967b36684b0681e54ed6388bf7370c (patch) | |
| tree | d97a4d2aa0ab9b7c3bbc61b1ab0dc52b9b5dfbf4 /Lib | |
| parent | e60de4d30984b6d551cda0515fb76ac02d547415 (diff) | |
| download | cpython-cc773d3b11967b36684b0681e54ed6388bf7370c.zip cpython-cc773d3b11967b36684b0681e54ed6388bf7370c.tar.gz cpython-cc773d3b11967b36684b0681e54ed6388bf7370c.tar.bz2 | |
__getslice__(): Make this use the constructor form that gets a sequence
as a parameter; this was the only use of the base
constructor or surgical alteration of another object's
data attribute.
This change simplifies the constructor requirements for subclasses.
This relates to SourceForge bug #115928.
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/UserList.py | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/Lib/UserList.py b/Lib/UserList.py index aab5119..e79faea 100644 --- a/Lib/UserList.py +++ b/Lib/UserList.py @@ -24,9 +24,7 @@ class UserList: def __delitem__(self, i): del self.data[i] def __getslice__(self, i, j): i = max(i, 0); j = max(j, 0) - userlist = self.__class__() - userlist.data[:] = self.data[i:j] - return userlist + return self.__class__(self.data[i:j]) def __setslice__(self, i, j, other): i = max(i, 0); j = max(j, 0) if isinstance(other, UserList): |