Lib/dos-8x3/userlist.py

   1 # A more or less complete user-defined wrapper around list objects
   2
   3 class UserList:
   4     def __init__(self, list=None):
   5         self.data = []
   6         if list is not None:
   7             if type(list) == type(self.data):
   8                 self.data[:] = list
   9             else:
  10                 self.data[:] = list.data[:]
  11     def __repr__(self): return repr(self.data)
  12     def __cmp__(self, other):
  13         if isinstance(other, UserList):
  14             return cmp(self.data, other.data)
  15         else:
  16             return cmp(self.data, other)
  17     def __len__(self): return len(self.data)
  18     def __getitem__(self, i): return self.data[i]
  19     def __setitem__(self, i, item): self.data[i] = item
  20     def __delitem__(self, i): del self.data[i]
  21     def __getslice__(self, i, j):
  22         i = max(i, 0); j = max(j, 0)
  23         userlist = self.__class__()
  24         userlist.data[:] = self.data[i:j]
  25         return userlist
  26     def __setslice__(self, i, j, other):
  27         i = max(i, 0); j = max(j, 0)
  28         if isinstance(other, UserList):
  29             self.data[i:j] = other.data
  30         elif isinstance(other, type(self.data)):
  31             self.data[i:j] = other
  32         else:
  33             self.data[i:j] = list(other)
  34     def __delslice__(self, i, j):
  35         i = max(i, 0); j = max(j, 0)
  36         del self.data[i:j]
  37     def __add__(self, other):
  38         if isinstance(other, UserList):
  39             return self.__class__(self.data + other.data)
  40         elif isinstance(other, type(self.data)):
  41             return self.__class__(self.data + other)
  42         else:
  43             return self.__class__(self.data + list(other))
  44     def __radd__(self, other):
  45         if isinstance(other, UserList):
  46             return self.__class__(other.data + self.data)
  47         elif isinstance(other, type(self.data)):
  48             return self.__class__(other + self.data)
  49         else:
  50             return self.__class__(list(other) + self.data)
  51     def __mul__(self, n):
  52         return self.__class__(self.data*n)
  53     __rmul__ = __mul__
  54     def append(self, item): self.data.append(item)
  55     def insert(self, i, item): self.data.insert(i, item)
  56     def pop(self, i=-1): return self.data.pop(i)
  57     def remove(self, item): self.data.remove(item)
  58     def count(self, item): return self.data.count(item)
  59     def index(self, item): return self.data.index(item)
  60     def reverse(self): self.data.reverse()
  61     def sort(self, *args): apply(self.data.sort, args)
  62     def extend(self, other):
  63         if isinstance(other, UserList):
  64             self.data.extend(other.data)
  65         else:
  66             self.data.extend(other)