... file . ... Fixed initial value for snake.Rule.direction . ... line source . ... 6 """Remove comments and junk spaces from line of snake definition file.""" . ... 17 - `cells` -- list of cells belonging to the snake The first of these cells . ... 24 def __init__ ( self , cells , color ): . ... snake = self . ... pattern = {} . ... 83 assert len ( line ) == 8 , "Rule lines must be exactly 7 chars long" . ... 92 def parse_cell ( self , x , y , char ): . 93 """Parse definition of cell in rule file. ...