DynaList.py

   1 # -*- coding: utf-8 -*-
   2 ## GroupUserFolder
   3 ## Copyright (C)2006 Ingeniweb
   4
   5 ## This program is free software; you can redistribute it and/or modify
   6 ## it under the terms of the GNU General Public License as published by
   7 ## the Free Software Foundation; either version 2 of the License, or
   8 ## (at your option) any later version.
   9
  10 ## This program is distributed in the hope that it will be useful,
  11 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 ## GNU General Public License for more details.
  14
  15 ## You should have received a copy of the GNU General Public License
  16 ## along with this program; see the file COPYING. If not, write to the
  17 ## Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18 """
  19 DynaList.py => a list that has dynamic data (ie. calculated by a 'data' method).
  20 Please override this class and define a data(self,) method that will return the actual list.
  21 """
  22 __version__ = "$Revision:  $"
  23 # $Source:  $
  24 # $Id: DynaList.py 30098 2006-09-08 12:35:01Z encolpe $
  25 __docformat__ = 'restructuredtext'
  26
  27 class DynaList:
  28     def __init__(self, initlist=None):
  29         pass
  30
  31     def __repr__(self): return repr(self.data())
  32     def __lt__(self, other): return self.data() <  self.__cast(other)
  33     def __le__(self, other): return self.data() <= self.__cast(other)
  34     def __eq__(self, other): return self.data() == self.__cast(other)
  35     def __ne__(self, other): return self.data() != self.__cast(other)
  36     def __gt__(self, other): return self.data() >  self.__cast(other)
  37     def __ge__(self, other): return self.data() >= self.__cast(other)
  38     def __cast(self, other):
  39         if isinstance(other, UserList): return other.data()
  40         else: return other
  41     def __cmp__(self, other):
  42         raise RuntimeError, "UserList.__cmp__() is obsolete"
  43     def __contains__(self, item): return item in self.data()
  44     def __len__(self): return len(self.data())
  45     def __getitem__(self, i): return self.data()[i]
  46     def __setitem__(self, i, item): self.data()[i] = item
  47     def __delitem__(self, i): del self.data()[i]
  48     def __getslice__(self, i, j):
  49         i = max(i, 0); j = max(j, 0)
  50         return self.__class__(self.data()[i:j])
  51     def __setslice__(self, i, j, other):
  52         i = max(i, 0); j = max(j, 0)
  53         if isinstance(other, UserList):
  54             self.data()[i:j] = other.data()
  55         elif isinstance(other, type(self.data())):
  56             self.data()[i:j] = other
  57         else:
  58             self.data()[i:j] = list(other)
  59     def __delslice__(self, i, j):
  60         i = max(i, 0); j = max(j, 0)
  61         del self.data()[i:j]
  62     def __add__(self, other):
  63         if isinstance(other, UserList):
  64             return self.__class__(self.data() + other.data())
  65         elif isinstance(other, type(self.data())):
  66             return self.__class__(self.data() + other)
  67         else:
  68             return self.__class__(self.data() + list(other))
  69     def __radd__(self, other):
  70         if isinstance(other, UserList):
  71             return self.__class__(other.data() + self.data())
  72         elif isinstance(other, type(self.data())):
  73             return self.__class__(other + self.data())
  74         else:
  75             return self.__class__(list(other) + self.data())
  76     def __iadd__(self, other):
  77         raise NotImplementedError, "Not implemented"
  78
  79     def __mul__(self, n):
  80         return self.__class__(self.data()*n)
  81     __rmul__ = __mul__
  82     def __imul__(self, n):
  83         raise NotImplementedError, "Not implemented"
  84     def append(self, item): self.data().append(item)
  85     def insert(self, i, item): self.data().insert(i, item)
  86     def pop(self, i=-1): return self.data().pop(i)
  87     def remove(self, item): self.data().remove(item)
  88     def count(self, item): return self.data().count(item)
  89     def index(self, item): return self.data().index(item)
  90     def reverse(self): self.data().reverse()
  91     def sort(self, *args): apply(self.data().sort, args)
  92     def extend(self, other):
  93         if isinstance(other, UserList):
  94             self.data().extend(other.data())
  95         else:
  96             self.data().extend(other)