X-Git-Url: http://git.scottworley.com/paperdoorknob/blobdiff_plain/a64403ac570d0049c7b5a616d19fab37ab5cb4e8..929db57622c6b8756ed341d7ae2862126a7c638f:/paperdoorknob.py diff --git a/paperdoorknob.py b/paperdoorknob.py index f83c9f8..34223e4 100644 --- a/paperdoorknob.py +++ b/paperdoorknob.py @@ -5,43 +5,19 @@ # Free Software Foundation, version 3. -from argparse import ArgumentParser import itertools -import os.path -import subprocess -from typing import IO, Iterable +from typing import Iterable from bs4 import BeautifulSoup from bs4.element import Tag -from xdg_base_dirs import xdg_cache_home -from fetch import CachingFetcher, Fetcher +from args import spec_from_commandline_args +from spec import Spec -def command_line_parser() -> ArgumentParser: - parser = ArgumentParser(prog='paperdoorknob', description='Print glowfic') - parser.add_argument( - '--cache_path', - metavar='PATH', - help='Where to keep the http cache (instead of %(default)s)', - default=os.path.join(xdg_cache_home(), "paperdoorknob")) - parser.add_argument( - '--out', - help='The filename stem at which to write output ' + - '(eg: "%(default)s" produces %(default)s.text, %(default)s.pdf, etc.)', - default='book') - parser.add_argument('--pandoc', help='Location of the pandoc executable') - parser.add_argument( - '--timeout', - help='How long to wait for HTTP requests, in seconds', - default=30) - parser.add_argument('url', help='URL to retrieve') - return parser - - -def fetch(url: str, fetcher: Fetcher) -> BeautifulSoup: - return BeautifulSoup(fetcher.fetch(url), 'html.parser') +def parse(content: bytes) -> BeautifulSoup: + return BeautifulSoup(content, 'html.parser') def clean(html: BeautifulSoup) -> BeautifulSoup: @@ -68,30 +44,17 @@ def replies(html: BeautifulSoup) -> Iterable[Tag]: return itertools.chain([text()], the_replies()) -def html_to_tex(pandoc: str, tag: Tag) -> bytes: - return subprocess.run([pandoc, '--from=html', '--to=latex'], - input=tag.encode(), - stdout=subprocess.PIPE, - check=True).stdout - - -def process( - url: str, - fetcher: Fetcher, - texout: IO[bytes], - pandoc: str) -> None: - texout.write(b'\\documentclass{article}\n\\begin{document}\n') - html = clean(fetch(url, fetcher)) +def process(spec: Spec) -> None: + spec.texout.write(b'\\documentclass{article}\n\\begin{document}\n') + html = clean(parse(spec.htmlfilter(spec.fetcher.fetch(spec.url)))) for r in replies(html): - texout.write(html_to_tex(pandoc, r)) - texout.write(b'\\end{document}\n') + spec.texout.write(spec.texifier.texify(r)) + spec.texout.write(b'\\end{document}\n') def main() -> None: - args = command_line_parser().parse_args() - with CachingFetcher(args.cache_path, args.timeout) as fetcher: - with open(args.out + '.tex', 'wb') as texout: - process(args.url, fetcher, texout, args.pandoc or 'pandoc') + with spec_from_commandline_args() as spec: + process(spec) if __name__ == '__main__':