manga/lib.py

   1 class library(object):
   2     pass
   3
   4 class pagelist(object):
   5     pass
   6
   7 class manga(pagelist):
   8     pass
   9
  10 class page(object):
  11     pass
  12
  13 class pageiter(object):
  14     def __init__(self, root):
  15         self.nstack = [0]
  16         self.lstack = [root]
  17
  18     def next(self):
  19         while True:
  20             if len(self.nstack) == 0:
  21                 raise StopIteration
  22             try:
  23                 node = self.lstack[-1][self.nstack[-1]]
  24             except IndexError:
  25                 self.lstack.pop()
  26                 self.nstack.pop()
  27                 if len(self.nstack) > 0:
  28                     self.nstack[-1] += 1
  29                 continue
  30             if isinstance(node, page):
  31                 nl = tuple(self.nstack)
  32                 self.nstack[-1] += 1
  33                 return nl, node
  34             elif isinstance(node, pagelist):
  35                 self.lstack.append(node)
  36                 self.nstack.append(0)
  37
  38     def __iter__(self):
  39         return self