src/librarian/covers/widgets/base.py

   1 class Widget:
   2     transparency = True
   3     margin_top = 0
   4
   5     def __init__(self, cover):
   6         self.cover = cover
   7         self.setup()
   8
   9     def setup(self):
  10         pass
  11
  12     def build(self, w, h):
  13         raise NotImplementedError()
  14
  15     def apply(self, img, x, y, w=None, h=None):
  16         my_img = self.build(w, h)
  17         if my_img is not None:
  18             img.paste(
  19                 my_img,
  20                 (round(x), round(y - self.margin_top)),
  21                 my_img if self.transparency else None
  22             )