Handle Unicode characters ≈ and ◁

[paperdoorknob] / args.py

diff --git a/args.py b/args.py
index d90de8a78b7e32207c66fe6ee19d7939de634483..de6fc01f58d353c26cb245352640a0ad1970cc0b 100644 (file)
--- a/args.py
+++ b/args.py
@@ -8,6 +8,7 @@
 from argparse import ArgumentParser
 from contextlib import contextmanager
 import os.path
+from sys import stderr
 
 from typing import Iterator
 
@@ -15,16 +16,22 @@ from xdg_base_dirs import xdg_cache_home
 
 from domfilter import ApplyDOMFilters, DOMFilters
 from fetch import CachingFetcher
+from glowfic import BesideIconLayout, BelowIconLayout
 from htmlfilter import ApplyHTMLFilters, HTMLFilters
-from images import ImageStore
+from texfilter import ApplyTexFilters, TexFilters
+from images import DiskImageStore
 from spec import Spec
 from texify import PandocTexifier
 
 
+def _print_status(msg: str) -> None:
+    print(msg, file=stderr, end='' if msg.endswith('\r') else '\n')
+
+
 def _command_line_parser() -> ArgumentParser:
     parser = ArgumentParser(prog='paperdoorknob', description='Print glowfic')
     parser.add_argument(
-        '--cache_path',
+        '--cache-path',
         metavar='PATH',
         help='Where to keep the http cache (instead of %(default)s)',
         default=os.path.join(xdg_cache_home(), "paperdoorknob"))
@@ -43,12 +50,29 @@ See https://faculty.bard.edu/bloch/geometry.pdf for details
         '--htmlfilters',
         help='Which HTML filters to use (default: %(default)s)',
         default=','.join(f[0] for f in HTMLFilters))
+    parser.add_argument(
+        '--image-size',
+        help='How large the icon images are, in mm',
+        default=20)
+    parser.add_argument(
+        '--layout',
+        default='beside',
+        help='Whether to put character and author information `beside` or `below` the icon ' +
+             '(default: beside)')
     parser.add_argument(
         '--out',
         help='The filename stem at which to write output ' +
              '(eg: "%(default)s" produces %(default)s.tex, %(default)s.pdf, etc.)',
         default='book')
     parser.add_argument('--pandoc', help='Location of the pandoc executable')
+    parser.add_argument(
+        '--quiet',
+        action='store_true',
+        help='Suppress progress messages')
+    parser.add_argument(
+        '--texfilters',
+        help='Which TeX filters to use (default: %(default)s)',
+        default=','.join(f[0] for f in TexFilters))
     parser.add_argument(
         '--timeout',
         help='How long to wait for HTTP requests, in seconds',
@@ -62,14 +86,27 @@ See https://faculty.bard.edu/bloch/geometry.pdf for details
 @contextmanager
 def spec_from_commandline_args() -> Iterator[Spec]:
     args = _command_line_parser().parse_args()
-    with CachingFetcher(args.cache_path, args.timeout) as fetcher:
+    texifier = PandocTexifier(args.pandoc or 'pandoc')
+    layout: bytes
+    if args.layout == 'below':
+        layout = BelowIconLayout
+    elif args.layout == 'beside':
+        layout = BesideIconLayout
+    else:
+        raise ValueError(f'Unknown layout: {args.layout}')
+    log = (lambda _: None) if args.quiet else _print_status
+    with CachingFetcher(args.cache_path, args.timeout, log) as fetcher:
         with open(args.out + '.tex', 'wb') as texout:
             yield Spec(
                 args.url,
                 fetcher,
-                ImageStore(args.out + '_images', fetcher),
+                DiskImageStore(args.out + '_images', fetcher),
                 lambda x: ApplyHTMLFilters(args.htmlfilters, x),
                 lambda x: ApplyDOMFilters(args.domfilters, x),
-                PandocTexifier(args.pandoc or 'pandoc'),
+                texifier,
+                lambda x: ApplyTexFilters(args.texfilters, x),
+                args.image_size,
+                layout,
                 args.geometry,
-                texout)
+                texout,
+                log)