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Viewing changes to lib-python/2.4.1/UserList.py

  • Committer: Bazaar Package Importer
  • Author(s): Alexandre Fayolle
  • Date: 2007-04-13 09:33:09 UTC
  • Revision ID: james.westby@ubuntu.com-20070413093309-yoojh4jcoocu2krz
Tags: upstream-1.0.0
Import upstream version 1.0.0

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lib-python/2.4.1/UserList.py
 
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"""A more or less complete user-defined wrapper around list objects."""
 
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class UserList:
 
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    def __init__(self, initlist=None):
 
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        self.data = []
 
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        if initlist is not None:
 
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            # XXX should this accept an arbitrary sequence?
 
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            if type(initlist) == type(self.data):
 
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                self.data[:] = initlist
 
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            elif isinstance(initlist, UserList):
 
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                self.data[:] = initlist.data[:]
 
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            else:
 
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                self.data = list(initlist)
 
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    def __repr__(self): return repr(self.data)
 
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    def __lt__(self, other): return self.data <  self.__cast(other)
 
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    def __le__(self, other): return self.data <= self.__cast(other)
 
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    def __eq__(self, other): return self.data == self.__cast(other)
 
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    def __ne__(self, other): return self.data != self.__cast(other)
 
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    def __gt__(self, other): return self.data >  self.__cast(other)
 
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    def __ge__(self, other): return self.data >= self.__cast(other)
 
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    def __cast(self, other):
 
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        if isinstance(other, UserList): return other.data
 
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        else: return other
 
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    def __cmp__(self, other):
 
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        return cmp(self.data, self.__cast(other))
 
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    def __contains__(self, item): return item in self.data
 
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    def __len__(self): return len(self.data)
 
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    def __getitem__(self, i): return self.data[i]
 
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    def __setitem__(self, i, item): self.data[i] = item
 
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    def __delitem__(self, i): del self.data[i]
 
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    def __getslice__(self, i, j):
 
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        i = max(i, 0); j = max(j, 0)
 
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        return self.__class__(self.data[i:j])
 
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    def __setslice__(self, i, j, other):
 
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        i = max(i, 0); j = max(j, 0)
 
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        if isinstance(other, UserList):
 
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            self.data[i:j] = other.data
 
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        elif isinstance(other, type(self.data)):
 
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            self.data[i:j] = other
 
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        else:
 
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            self.data[i:j] = list(other)
 
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    def __delslice__(self, i, j):
 
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        i = max(i, 0); j = max(j, 0)
 
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        del self.data[i:j]
 
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    def __add__(self, other):
 
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        if isinstance(other, UserList):
 
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            return self.__class__(self.data + other.data)
 
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        elif isinstance(other, type(self.data)):
 
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            return self.__class__(self.data + other)
 
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        else:
 
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            return self.__class__(self.data + list(other))
 
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    def __radd__(self, other):
 
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        if isinstance(other, UserList):
 
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            return self.__class__(other.data + self.data)
 
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        elif isinstance(other, type(self.data)):
 
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            return self.__class__(other + self.data)
 
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        else:
 
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            return self.__class__(list(other) + self.data)
 
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    def __iadd__(self, other):
 
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        if isinstance(other, UserList):
 
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            self.data += other.data
 
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        elif isinstance(other, type(self.data)):
 
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            self.data += other
 
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        else:
 
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            self.data += list(other)
 
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        return self
 
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    def __mul__(self, n):
 
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        return self.__class__(self.data*n)
 
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    __rmul__ = __mul__
 
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    def __imul__(self, n):
 
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        self.data *= n
 
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        return self
 
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    def append(self, item): self.data.append(item)
 
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    def insert(self, i, item): self.data.insert(i, item)
 
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    def pop(self, i=-1): return self.data.pop(i)
 
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    def remove(self, item): self.data.remove(item)
 
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    def count(self, item): return self.data.count(item)
 
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    def index(self, item, *args): return self.data.index(item, *args)
 
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    def reverse(self): self.data.reverse()
 
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    def sort(self, *args, **kwds): self.data.sort(*args, **kwds)
 
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    def extend(self, other):
 
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        if isinstance(other, UserList):
 
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            self.data.extend(other.data)
 
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        else:
 
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            self.data.extend(other)