pseudoku/render/text.py

   1 from . import GridRenderer
   2 from ..grid import symbols
   3
   4 class LineGridRenderer(GridRenderer):
   5     """Renders a grid into a flat string, as puzzles are often presented in
   6     plaintext collections.
   7     """
   8     pass
   9
  10
  11 class SquareGridRenderer(GridRenderer):
  12     """Renders a grid as a square of characters."""
  13
  14     def after_row(self, row, new_box=False):
  15         return '\n'
  16
  17
  18 class AsciiArtGridRenderer(SquareGridRenderer):
  19     """Renders a questionably-pretty ASCII art drawing of a grid, with dividers
  20     between rows and columns.
  21     """
  22
  23     def inside_grid(self, grid):
  24         box_header = '+' + '-' * grid._box_width
  25         return box_header * grid._box_height + '+\n'
  26
  27     def inside_row(self, row):
  28         return '|'
  29
  30     def after_row(self, row):
  31         return '|\n'
  32
  33     def inside_cell(self, cell):
  34         if cell.value:
  35             return symbols[cell.value]
  36         else:
  37             return ' '