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svn-gvsig-desktop / tags / v1_1_Build_1013 / extensions / extScripting / scripts / jython / Lib / UserList.py @ 13521

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1 5782 jmvivo
"""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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        raise RuntimeError, "UserList.__cmp__() is obsolete"
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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): return self.data.index(item)
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    def reverse(self): self.data.reverse()
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    def sort(self, *args): apply(self.data.sort, args)
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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)