X-Git-Url: http://git.scottworley.com/paperdoorknob/blobdiff_plain/170e50a0efa18ed0f5f2ff644793469894983029..551bb1c9f85382a90abc89ac622bd363dccd36a7:/paperdoorknob.py diff --git a/paperdoorknob.py b/paperdoorknob.py index fb2df1f..0fd1fde 100644 --- a/paperdoorknob.py +++ b/paperdoorknob.py @@ -4,70 +4,59 @@ # under the terms of the GNU General Public License as published by the # Free Software Foundation, version 3. - -from argparse import ArgumentParser -import itertools -import os.path - -from typing import Iterable +from typing import Any, Iterable from bs4 import BeautifulSoup -from bs4.element import Tag -import requests -import requests_cache -from xdg_base_dirs import xdg_cache_home - - -class Post: - def __init__(self, html: BeautifulSoup) -> None: - self._html = html - for eb in self._html.find_all("div", class_="post-edit-box"): - eb.decompose() - for footer in self._html.find_all("div", class_="post-footer"): - footer.decompose() - - def text(self) -> Tag: - body = self._html.body - assert body - text = body.find_next("div", class_="post-post") - assert isinstance(text, Tag) - return text - - def replies(self) -> Iterable[Tag]: - replies = self._html.find_all("div", class_="post-reply") - assert all(isinstance(r, Tag) for r in replies) - return replies - - def entries(self) -> Iterable[Tag]: - return itertools.chain([self.text()], self.replies()) - - -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( - '--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, session: requests.Session, timeout: int) -> BeautifulSoup: - with session.get(url, timeout=timeout) as r: - r.raise_for_status() - return BeautifulSoup(r.text, 'html.parser') +from args import spec_from_commandline_args +from glowfic import chunkDOMs, flatURL, makeChunk +from spec import Spec + + +def parse(content: bytes) -> BeautifulSoup: + return BeautifulSoup(content, 'html.parser') + + +def ilen(it: Iterable[Any]) -> int: + return sum(1 for _ in it) + + +def process(spec: Spec) -> None: + spec.texout.write(b'''\\documentclass{article} +\\usepackage{booktabs} +\\usepackage{graphicx} +\\usepackage{longtable} +\\usepackage{soul} +\\usepackage{varwidth} +\\usepackage{wrapstuff} +''') + if spec.geometry is not None: + spec.texout.write(b'\\usepackage[' + + spec.geometry.encode('UTF-8') + + b']{geometry}\n') + spec.texout.write(b'''\\begin{document} +\\newcommand{\\href}[2]{#2\\footnote{#1}} +''') + url = flatURL(spec.url) + spec.log('Fetching HTML...\r') + html = spec.fetcher.fetch(url) + spec.log('Parsing HTML...\r') + dom = parse(spec.htmlfilter(html)) + spec.log('Counting chunks...\r') + num_chunks = ilen(chunkDOMs(dom)) + for i, r in enumerate(chunkDOMs(dom)): + percent = 100.0 * i / num_chunks + spec.log(f'Processing chunk {i} of {num_chunks} ({percent:.1f}%)\r') + spec.domfilter(r) + chunk = makeChunk(r, spec.images) + spec.texout.write(spec.texfilter(spec.layout.renderChunk(chunk))) + spec.log('') + spec.texout.write(b'\\end{document}\n') def main() -> None: - args = command_line_parser().parse_args() - with requests_cache.CachedSession(args.cache_path, cache_control=True) as session: - html = fetch(args.url, session, args.timeout) - Post(html) + with spec_from_commandline_args() as spec: + process(spec) if __name__ == '__main__':