tobyodavies

"""
An interactive visualizer for TSP instances if you add `Visualizer.update(solution)`
after improving your solution you will see the new path and its cost.


>>> points = [(0, 0), (1, 1), (1, 2)]
>>> vis = Visualizer(points)
>>> Visualizer.update([0, 1, 2])

tobyodavies

"""
A simple generic wrapper for calling an external program to solve assignments
in Discrete Optimization


Copyright (C) 2012 Toby Davies

Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including

tobyodavies

class HashableFunc(object):
  """
  This class acts as a decorator to make a function persistently hashable
  """
  
  relevant_attr_names = ['co_argcount', 'co_cellvars', 'co_code', 'co_consts', 
           'co_filename', 'co_firstlineno', 'co_flags', 'co_freevars',
           'co_lnotab', 'co_name', 'co_names', 'co_nlocals', 'co_stacksize',
           'co_varnames']