def __init__(self, gb):
self.network = filereader.GameBoardToConstraintNetwork(gb)
self.trail = trail.masterTrailVariable
self.hassolution = False
self.gameboard = gb
self.numAssignments = 0
self.numBacktracks = 0
self.preprocessing_startTime = 0
self.preprocessing_endTime = 0
self.startTime = None
self.endTime = None
# refers to which variable selection heuristic in use(0 means default,
# 1 means MRV, 2 means DEGREE)
self.varHeuristics = 0
# refers to which value selection heuristic in use(0 means default, 1
# means LCV)
self.valHeuristics = 0
# refers to which consistency check will be run(0 for backtracking, 1
# for forward checking, 2 for arc consistency)
self.cChecks = []
# self.runCheckOnce = False
self.tokens = [] # tokens(heuristics to use)
# build list of houses
# e.g. for N=9, house length = 27, houses[0:8]are the row houses,
# 9:17 are the column houses, and 18:26 are the block houses
self.houses = [[] for x in range(self.gameboard.N * 3)]
self.colhouseoffset = self.gameboard.N
self.blockhouseoffset = self.gameboard.N * 2
for i in self.network.variables:
self.houses[i.row].append(i)
self.houses[i.col + self.colhouseoffset].append(i)
self.houses[i.block + self.blockhouseoffset].append(i)
def __init__(self, gb):
self.network = filereader.GameBoardToConstraintNetwork(gb)
self.trail = trail.masterTrailVariable
self.hassolution = False
self.gameboard = gb
self.numAssignments = 0
self.numBacktracks = 0
self.preprocessing_startTime = 0
self.preprocessing_endTime = 0
self.startTime = None
self.endTime = None
self.varHeuristics = 0
self.valHeuristics = 0
self.cChecks = 0
def __init__(self, gb):
self.network = filereader.GameBoardToConstraintNetwork(gb)
self.trail = trail.masterTrailVariable
self.hassolution = False
self.gameboard = gb
self.numAssignments = 0
self.numBacktracks = 0
self.preprocessing_startTime = 0
self.preprocessing_endTime = 0
self.startTime = None
self.endTime = None
self.varHeuristics = 0 # refers to which variable selection heuristic in use(0 means default, 1 means MRV, 2 means DEGREE)
self.valHeuristics = 0 # refers to which value selection heuristic in use(0 means default, 1 means LCV)
self.cChecks = 0 # refers to which consistency check will be run(0 for backtracking, 1 for forward checking, 2 for arc consistency)
self.heuristicChecks = 0
# self.runCheckOnce = False
self.tokens = [] # tokens(heuristics to use)
return output
if __name__ == '__main__':
# Check command-line arguments.
print('Python version:', sys.version)
GB = gameboard.GameBoard(12, 3, 4,
[[0 for j in range(12)] for i in range(12)])
print(GB)
TOTAL_START = time.time()
sudokudata = filereader.SudokuFileReader(sys.argv[1])
print(sudokudata)
cn = filereader.GameBoardToConstraintNetwork(sudokudata)
print(cn)
solver = btsolver.BTSolver(sudokudata)
#three examples of how you would change the various aspects of solver
# solver.setConsistencyChecks(btsolver.ConsistencyCheck['None'])
# solver.setValueSelectionHeuristic(btsolver.ValueSelectionHeuristic['None'])
# solver.setVariableSelectionHeuristic(btsolver.VariableSelectionHeuristic['None'])
tokens = sys.argv[4:]
solver.setTokens(tokens)
'''once you have implemented more heuristics, you can add the appropriate lines to this conditional clause'''
if len(sys.argv) < 4:
raise ValueError("Program did not received enough correct argument.")
if len(sys.argv
) == 4 or sys.argv[4] == 'BT': #no options detected or say BT
print("Default option tokens detected: Backtracking Search (BT)")
