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__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.
This commit is contained in:
Fred Drake 2000-10-06 19:26:01 +00:00
parent e60de4d309
commit cc773d3b11
1 changed files with 1 additions and 3 deletions
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4
Lib/UserList.py
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@ -24,9 +24,7 @@ def __setitem__(self, i, item): self.data[i] = item
def __delitem__(self, i): del self.data[i] def __delitem__(self, i): del self.data[i]
def __getslice__(self, i, j): def __getslice__(self, i, j):
i = max(i, 0); j = max(j, 0) i = max(i, 0); j = max(j, 0)
userlist = self.__class__() return self.__class__(self.data[i:j])
userlist.data[:] = self.data[i:j]
return userlist
def __setslice__(self, i, j, other): def __setslice__(self, i, j, other):
i = max(i, 0); j = max(j, 0) i = max(i, 0); j = max(j, 0)
if isinstance(other, UserList): if isinstance(other, UserList):