'''Support module for array and matrix use.
This module provides two classes that emulate one and two
dimentional lists with fixed sizes but mutable internals.'''
__version__ = 1.2
################################################################################
class Array:
'Array(length[, value]) -> new array'
def __init__(self, length, value=None):
'x.__init__(...) initializes x'
assert type(length) is int and length > 0
self.__data = [value for index in range(length)]
def __repr__(self):
'x.__repr__() <==> repr(x)'
return repr(self.__data)
def __len__(self):
'x.__len__() <==> len(x)'
return len(self.__data)
def __getitem__(self, index):
'x.__getitem__(i) <==> x[i]'
return self.__data[index]
def __setitem__(self, index, value):
'x.__setitem__(i, y) <==> x[i]=y'
self.__data[index] = value
def __delitem__(self, index):
'x.__delitem__(i) <==> del x[i]'
self.__data[index] = None
def __iter__(self):
'x.__iter__() <==> iter(x)'
return iter(self.__data)
def __contains__(self, value):
'x.__contains__(y) <==> y in x'
return value in self.__data
class Matrix:
'Matrix(rows, columns[, value]) -> new matrix'
def __init__(self, rows, columns, value=None):
'x.__init__(...) initializes x'
assert type(rows) is int and rows > 0
self.__data = [Array(columns, value) for index in range(rows)]
def __repr__(self):
'x.__repr__() <==> repr(x)'
return repr(self.__data)
def __len__(self):
'x.__len__() <==> len(x)'
return len(self.__data)
def __getitem__(self, index):
'x.__getitem__(i) <==> x[i]'
return self.__data[index]
def __setitem__(self, index, value):
'x.__setitem__(i, y) <==> x[i]=y'
self.__data[index] = Array(len(self.__data[index]), value)
def __delitem__(self, index):
'x.__delitem__(i) <==> del x[i]'
self.__data[index] = Array(len(self.__data[index]))
def __iter__(self):
'x.__iter__() <==> iter(x)'
return iter(self.__data)
def __contains__(self, value):
'x.__contains__(y) <==> y in x'
for item in self.__data:
if value in item:
return True
return False
################################################################################
if __name__ == '__main__':
import sys
print 'Content-Type: text/plain'
print
print file(sys.argv[0]).read()
