]> git.scottworley.com Git - paperdoorknob/blame - args.py
Uniform icon image size
[paperdoorknob] / args.py
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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
8from argparse import ArgumentParser
9from contextlib import contextmanager
10import os.path
11
12from typing import Iterator
13
14from xdg_base_dirs import xdg_cache_home
15
8be20b9d 16from domfilter import ApplyDOMFilters, DOMFilters
23f31879 17from fetch import CachingFetcher
d2a41ff4 18from glowfic import BelowIconLayout
929db576 19from htmlfilter import ApplyHTMLFilters, HTMLFilters
4b7d905e 20from images import DiskImageStore
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21from spec import Spec
22from texify import PandocTexifier
23
24
25def _command_line_parser() -> ArgumentParser:
26 parser = ArgumentParser(prog='paperdoorknob', description='Print glowfic')
27 parser.add_argument(
28 '--cache_path',
29 metavar='PATH',
30 help='Where to keep the http cache (instead of %(default)s)',
31 default=os.path.join(xdg_cache_home(), "paperdoorknob"))
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32 parser.add_argument(
33 '--domfilters',
34 help='Which DOM filters to use (default: %(default)s)',
35 default=','.join(f[0] for f in DOMFilters))
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36 parser.add_argument(
37 '--geometry',
38 help='''Page size and margin control
39See https://faculty.bard.edu/bloch/geometry.pdf for details
40(default: %(default)s)''',
41 default='paperwidth=5.5in,paperheight=8.5in,nohead,' +
42 'tmargin=15mm,hmargin=15mm,bmargin=17mm,foot=4mm')
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43 parser.add_argument(
44 '--htmlfilters',
45 help='Which HTML filters to use (default: %(default)s)',
46 default=','.join(f[0] for f in HTMLFilters))
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47 parser.add_argument(
48 '--image_size',
49 help='How large the icon images are, in mm',
50 default=20)
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51 parser.add_argument(
52 '--out',
53 help='The filename stem at which to write output ' +
54 '(eg: "%(default)s" produces %(default)s.tex, %(default)s.pdf, etc.)',
55 default='book')
56 parser.add_argument('--pandoc', help='Location of the pandoc executable')
57 parser.add_argument(
58 '--timeout',
59 help='How long to wait for HTTP requests, in seconds',
60 default=30)
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61 parser.add_argument(
62 'url',
63 help='URL to retrieve (example: https://www.projectlawful.com/posts/4582 )')
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64 return parser
65
66
67@contextmanager
68def spec_from_commandline_args() -> Iterator[Spec]:
69 args = _command_line_parser().parse_args()
d2a41ff4 70 texifier = PandocTexifier(args.pandoc or 'pandoc')
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71 with CachingFetcher(args.cache_path, args.timeout) as fetcher:
72 with open(args.out + '.tex', 'wb') as texout:
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73 yield Spec(
74 args.url,
75 fetcher,
4b7d905e 76 DiskImageStore(args.out + '_images', fetcher),
929db576 77 lambda x: ApplyHTMLFilters(args.htmlfilters, x),
8be20b9d 78 lambda x: ApplyDOMFilters(args.domfilters, x),
c62e8d40 79 BelowIconLayout(texifier, args.image_size),
e10b5b6f 80 args.geometry,
929db576 81 texout)