src/librarian/elements/poetry/wers.py

   1 # This file is part of Librarian, licensed under GNU Affero GPLv3 or later.
   2 # Copyright © Fundacja Wolne Lektury. See NOTICE for more information.
   3 #
   4 from ..base import WLElement
   5
   6
   7 class Wers(WLElement):
   8     STRIP = True
   9
  10     TXT_TOP_MARGIN = 1
  11     TXT_BOTTOM_MARGIN = 1
  12
  13     EPUB_TAG = HTML_TAG = 'div'
  14     EPUB_CLASS = 'verse'
  15     HTML_CLASS = 'wl verse'
  16     FB2_TAG = 'v'
  17
  18     NUMBERING = 'main'
  19
  20     @property
  21     def meta(self):
  22         if hasattr(self, 'stanza'):
  23             return self.stanza.meta
  24         return super(Wers, self).meta
  25
  26     def epub_build_inner(self, builder):
  27         super().epub_build_inner(builder)
  28         builder.push_text('''\u00a0''')
  29
  30     @property
  31     def has_visible_numbering(self):
  32         try:
  33             number = int(self.attrib['_visible_numbering'])
  34         except:
  35             return False
  36         return number == 1 or not(number % 5)
  37
  38     @property
  39     def is_stretched(self):
  40         return self.find('.//tab[@szer="*"]') is not None
  41
  42     def get_html_attr(self, builder):
  43         attr = super().get_html_attr(builder)
  44         if self.is_stretched:
  45             attr['class'] += ' verse-stretched'
  46         return attr
  47
  48     def html_build_inner(self, builder):
  49         if self.is_stretched:
  50             builder.start_element('span')
  51         super().html_build_inner(builder)
  52         if self.is_stretched:
  53             builder.end_element()