-class CellGroup(object):
- """Represents any group of cells in a grid."""
-
- ### Accessors
-
- cells = []
-
- ### Methods
- # XXX inherited __init__
-
- def find_value(self, value):
- """Returns the cells that can be a specific value."""
- possible_cells = []
- for cell in self.cells:
- if value in cell._values:
- possible_cells.append(cell)
-
- if len(possible_cells) == 0:
- raise Exception # XXX
-
- return possible_cells
-
- def resolve_uniques(self):
- for value in xrange(self._grid._size):
- # XXX cache values that are taken care of
- possible_cells = self.find_value(value)
-
- if len(possible_cells) > 1:
- # Not unique
- continue
-
- target_cell = possible_cells[0]
- if target_cell.solved:
- # Already seen this
- # XXX this is what cache is for
- continue
-
- # Only cell in the group that can be value
- target_cell.set(value)
-
-
-class Box(CellGroup):
- def _get_box_row(self):
- return self._pos // self._grid._box_width
- box_row = property(_get_box_row)
-
- def _get_box_column(self):
- return self._pos % self._grid._box_height
- box_column = property(_get_box_column)
-
- def _get_cells(self):
- # XXX generator + docstring
- cells = []
- for row in xrange(self._grid._box_height):
- for col in xrange(self._grid._box_width):
- cell_row = row + self.box_row * self._grid._box_height
- cell_col = col + self.box_column * self._grid._box_width
- cells.append(self._grid.cell(cell_row, cell_col))
- return cells
- cells = property(_get_cells)
-
- def __init__(self, grid, position):
- self._grid = proxy(grid)
- self._pos = position
-
-
-class Row(CellGroup):
- def _get_cells(self):
- # XXX generator + docstring
- cells = []
- for col in xrange(self._grid._size):
- cells.append(self._grid.cell(self._pos, col))
- return cells
- cells = property(_get_cells)
-
- def __init__(self, grid, position):
- self._grid = proxy(grid)
- self._pos = position
-
-
-class Column(CellGroup):
- def _get_cells(self):
- # XXX generator + docstring
- cells = []
- for row in xrange(self._grid._size):
- cells.append(self._grid.cell(row, self._pos))
- return cells
- cells = property(_get_cells)
-
- def __init__(self, grid, position):
- self._grid = proxy(grid)
- self._pos = position
-
-