git.scottworley.com Git - paperdoorknob/blob - domfilter.py

   1 # paperdoorknob: Print glowfic
   2 #
   3 # This program is free software: you can redistribute it and/or modify it
   4 # under the terms of the GNU General Public License as published by the
   5 # Free Software Foundation, version 3.
   6
   7
   8 from typing import Any, Callable, List, Tuple
   9
  10 from bs4.element import Tag
  11
  12
  13 DOMFilters: List[Tuple[str, Callable[[Tag], Any]]] = [
  14     ("NoEdit", lambda x: [eb.decompose() for eb in x.find_all("div", class_="post-edit-box")]),
  15     ("NoFooter", lambda x: [foot.decompose() for foot in x.find_all("div", class_="post-footer")]),
  16 ]
  17
  18
  19 class DOMFilterError(Exception):
  20     pass
  21
  22
  23 def ApplyDOMFilters(filter_list: str, tag: Tag) -> None:
  24     for filter_name in filter_list.split(','):
  25         filters = [f for (name, f) in DOMFilters if name == filter_name]
  26         if len(filters) == 0:
  27             raise DOMFilterError(f"Unknown DOM filter: {filter_name}")
  28         if len(filters) > 1:
  29             raise DOMFilterError(
  30                 f"Multiple DOM filters with the same name!?: {filter_name}")
  31         filters[0](tag)