PythonProblemSolving/Board.py at master · ebaumstarck/PythonProblemSolving · GitHub

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'''
 Base class Board for creating all the board applications
'''
classPoint(object):
'''
 Position for the square on the board with row and column
 '''
def__init__(self, row, col):
self.row=row
self.col=col

def__str__(self):
return'row: %d, col: %d'% (self.row, self.col)

classBoard(object):
'''
 Create Board with initial character
 '''
def__init__(self, num_rows=3, num_cols=3, init_char='x'):
self.init_char=init_char
self.num_rows=num_rows
self.num_cols=num_cols
self._rows= [[init_charforiinrange(num_cols)] forjinrange(num_rows)]

def__getitem__(self, point):
returnself._rows[point.row][point.col]

defget_by_pos(self,row,col):
returnself._rows[row][col]

defset_by_pos(self,row,col,letter):
self._rows[row][col] =letter

def__setitem__(self, point, letter):
self._rows[point.row][point.col] =letter

defget_num_rows(self):
returnself.num_rows
defget_num_cols(self):
returnself.num_cols

def__str__(self):
'''
 Display the board with borders
 '''
return'Board:\n'+'\n'.join(['['+'|'.join(row) +']'forrowinself._rows])

defempty(self, point):
'''
 Determine whether the space is isEmpty

 Args:
 point: position for the space on the board with row and column

 Return:
 True if the space in this point is empty
 '''

returnself._rows[point.row][point.col] ==self.init_char

defvalid(self, point):
'''Determine whether a point is valid.

 Args:
 point: position for the space on the board with row and column

 Returns:
 True if the position exist in the board
 '''

return (point.row>=0andpoint.row<self.num_rowsand
point.col>=0andpoint.col<self.num_cols)