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TXT Input: New paragraph-type option (off) to disable modifying the paragraph structure.

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This commit is contained in:
John Schember 2011-02-12 14:38:55 -05:00
parent c5d6f9665b
commit 95892f204b
1 changed files with 8 additions and 5 deletions
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13
src/calibre/ebooks/txt/input.py
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@ -28,15 +28,18 @@ class TXTInput(InputFormatPlugin):
options = set([
OptionRecommendation(name='paragraph_type', recommended_value='auto',
choices=['auto', 'block', 'single', 'print', 'unformatted'],
choices=['auto', 'block', 'single', 'print', 'unformatted', 'off'],
help=_('Paragraph structure.\n'
'choices are [\'auto\', \'block\', \'single\', \'print\', \'unformatted\']\n'
'choices are [\'auto\', \'block\', \'single\', \'print\', \'unformatted\', \'off\']\n'
'* auto: Try to auto detect paragraph type.\n'
'* block: Treat a blank line as a paragraph break.\n'
'* single: Assume every line is a paragraph.\n'
'* print: Assume every line starting with 2+ spaces or a tab '
'starts a paragraph.'
'* unformatted: Most lines have hard line breaks, few/no blank lines or indents.')),
'starts a paragraph.\n'
'* unformatted: Most lines have hard line breaks, few/no blank lines or indents. '
'Tries to determine structure and reformat the differentiate elements.\n'
'* off: Don\'t modify the paragraph structure. This is useful when combined with '
'Markdown or Textile formatting to ensure no formatting is lost.')),
OptionRecommendation(name='formatting_type', recommended_value='auto',
choices=['auto', 'plain', 'heuristic', 'textile', 'markdown'],
help=_('Formatting used within the document.'
@ -134,7 +137,7 @@ class TXTInput(InputFormatPlugin):
preprocessor = HeuristicProcessor(options, log=getattr(self, 'log', None))
txt = preprocessor.punctuation_unwrap(length, txt, 'txt')
txt = separate_paragraphs_single_line(txt)
else:
elif options.paragraph_type == 'block':
txt = separate_hard_scene_breaks(txt)
txt = block_to_single_line(txt)