git.scottworley.com Git - paperdoorknob/blob - paperdoorknob.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 from typing import Any, Iterable
   8
   9 from bs4 import BeautifulSoup
  10 from bs4.element import Tag
  11
  12 from args import spec_from_commandline_args
  13 from glowfic import flatURL, makeChunk, renderChunk, Thread
  14 from spec import Spec
  15
  16
  17 def parse(content: bytes) -> BeautifulSoup:
  18     return BeautifulSoup(content, 'html.parser')
  19
  20
  21 def ilen(it: Iterable[Any]) -> int:
  22     return sum(1 for _ in it)
  23
  24
  25 def get_title(dom: BeautifulSoup) -> str | None:
  26     span = dom.findChild("span", id="post-title")
  27     if not isinstance(span, Tag):
  28         return None
  29     return span.text
  30
  31
  32 def process(spec: Spec) -> None:
  33     spec.texout.write(br'''\documentclass{article}
  34 \usepackage{booktabs}
  35 \usepackage{graphicx}
  36 \usepackage{longtable}
  37 \usepackage{soul}
  38 \usepackage{varwidth}
  39 \usepackage{wrapstuff}
  40 ''')
  41     if spec.geometry is not None:
  42         spec.texout.write(br'\usepackage[' +
  43                           spec.geometry.encode('UTF-8') +
  44                           b']{geometry}\n')
  45     spec.texout.write(br'''\begin{document}
  46 \newcommand{\href}[2]{#2\footnote{\detokenize{#1}}}
  47 \def\glowiconsize{%fmm}
  48 \newcommand{\glowicon}[1]{\includegraphics[
  49   width=\glowiconsize,height=\glowiconsize,keepaspectratio
  50 ]{#1}}
  51 \newcommand{\ifnotempty}[2]{\expandafter\ifx\expandafter\relax
  52   \detokenize{#1}\relax\else #2\fi}
  53 %s
  54 ''' % (spec.icon_size, spec.layout))
  55     url = flatURL(spec.url)
  56     spec.log('Fetching HTML...\r')
  57     html = spec.fetcher.fetch(url)
  58     spec.log('Parsing HTML...\r')
  59     dom = parse(spec.htmlfilter(html))
  60     thread = Thread(dom)
  61     spec.log('Counting chunks...\r')
  62     num_chunks = ilen(thread.chunkDOMs())
  63     title = get_title(dom) or "chunk"
  64     for i, r in enumerate(thread.chunkDOMs()):
  65         percent = 100.0 * i / num_chunks
  66         spec.log(f'Processing {title} {i} of {num_chunks} ({percent:.1f}%)\r')
  67         spec.domfilter(r)
  68         chunk = makeChunk(r, spec.images)
  69         spec.texout.write(spec.texfilter(renderChunk(spec.texifier, chunk)))
  70     spec.log('')
  71     spec.texout.write(b'\\end{document}\n')
  72
  73
  74 def main() -> None:
  75     with spec_from_commandline_args() as spec:
  76         process(spec)
  77
  78
  79 if __name__ == '__main__':
  80     main()