2019-07-17 08:35:02 +00:00
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#!/usr/bin/env python3
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2015-02-20 22:58:34 +00:00
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# Copyright 2015 Google, Inc. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# Google Author(s): Doug Felt
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2017-09-14 20:18:24 +00:00
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from __future__ import print_function
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2015-02-20 22:58:34 +00:00
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import argparse
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import os
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import os.path
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import re
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import sys
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from fontTools import ttx
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import add_svg_glyphs
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def do_generate_test_html(font_basename, pairs, glyph=None, verbosity=1):
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header = r"""<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<style type="text/css">
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@font-face { font-family: svgfont; src: url("%s") }
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body { font-family: sans-serif; font-size: 24px }
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#emoji span { font-family: svgfont, sans-serif }
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#panel { font-family: svgfont, sans-serif; font-size: 256px }
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#paneltitle { font-family: sans-serif; font-size: 36px }
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</style>
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<script type="text/javascript">
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function hexify(text) {
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var surr_offset = 0x10000 - (0xd800 << 10) - 0xdc00
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2015-02-21 01:07:41 +00:00
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var str = text.trim()
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var len = str.length
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var result = ""
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for (var i = 0; i < len; ++i) {
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var cp = str.charCodeAt(i)
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if (cp >= 0xd800 && cp < 0xdc00 && i < len - 1) {
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ncp = str.charCodeAt(i+1)
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if (ncp >= 0xdc00 && ncp < 0xe000) {
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cp = (cp << 10) + ncp + surr_offset
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++i;
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}
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}
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result += " 0x" + cp.toString(16)
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}
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return result
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};
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function showText(event) {
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var text = event.target.textContent
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var p = document.getElementById('panel')
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p.textContent = text
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p = document.getElementById('paneltitle')
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p.textContent = hexify(text)
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};
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function setup() {
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var t = document.getElementById('emoji')
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var tdlist = t.getElementsByTagName('span')
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for (var i = 0; i < tdlist.length; ++i) {
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var e = tdlist[i]
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e.onmouseover = showText
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}
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};
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</script>
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</head>"""
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body_head = r"""<body onload="setup();">
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<p>Test for SVG glyphs in %(font)s. It uses the proposed
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<a href="http://lists.w3.org/Archives/Public/public-svgopentype/2013Jul/0003.html">SVG-in-OpenType format</a>.
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View using Firefox 26 and later.
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2015-02-26 23:01:30 +00:00
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<div style="float:left; text-align:center; margin:0 10px; width:40%%">
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<div id='panel' style="margin-left:auto; margin-right:auto">%(glyph)s</div>
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<div id='paneltitle' style="margin-left:auto; margin-right:auto">%(glyph_hex)s</div>
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</div>
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<div id='emoji'><p>"""
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body_tail = r"""</div>
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</body>
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</html>
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"""
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font_name = font_basename + ".woff"
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html_name = font_basename + "_test.html"
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found_initial_glyph = False
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initial_glyph_str = None;
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initial_glyph_hex = None;
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text_parts = []
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for glyphstr, _ in pairs:
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name_parts = []
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hex_parts = []
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for cp in glyphstr:
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hex_str = hex(ord(cp))
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name_parts.append('&#x%s;' % hex_str[2:])
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hex_parts.append(hex_str)
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glyph_str = ''.join(name_parts)
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if not found_initial_glyph:
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if not glyph or glyph_str == glyph:
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initial_glyph_str = glyph_str
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initial_glyph_hex = ' '.join(hex_parts)
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found_initial_glyph = True
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elif not initial_glyph_str:
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initial_glyph_str = glyph_str
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initial_glyph_hex = ' '.join(hex_parts)
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text = '<span>%s</span>' % glyph_str
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text_parts.append(text)
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if verbosity and glyph and not found_initial_glyph:
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print("Did not find glyph '%s', using initial glyph '%s'" % (glyph, initial_glyph_str))
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elif verbosity > 1 and not glyph:
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print("Using initial glyph '%s'" % initial_glyph_str)
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lines = [header % font_name]
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lines.append(body_head % {'font':font_name, 'glyph':initial_glyph_str,
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'glyph_hex':initial_glyph_hex})
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lines.extend(text_parts) # we'll end up with space between each emoji
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lines.append(body_tail)
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output = '\n'.join(lines)
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with open(html_name, 'w') as fp:
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fp.write(output)
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if verbosity:
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print('Wrote ' + html_name)
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2015-02-26 23:01:30 +00:00
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def do_generate_fonts(template_file, font_basename, pairs, reuse=0, verbosity=1):
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out_woff = font_basename + '.woff'
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if reuse > 1 and os.path.isfile(out_woff) and os.access(out_woff, os.R_OK):
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if verbosity:
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print('Reusing ' + out_woff)
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return
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out_ttx = font_basename + '.ttx'
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2015-02-26 23:01:30 +00:00
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if reuse == 0:
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add_svg_glyphs.add_image_glyphs(template_file, out_ttx, pairs, verbosity=verbosity)
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elif verbosity:
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print('Reusing ' + out_ttx)
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quiet=verbosity < 2
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font = ttx.TTFont(flavor='woff', quiet=quiet)
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font.importXML(out_ttx, quiet=quiet)
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font.save(out_woff)
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if verbosity:
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print('Wrote ' + out_woff)
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def main(argv):
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usage = """This will search for files that have image_prefix followed by one or more
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hex numbers (separated by underscore if more than one), and end in ".svg".
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For example, if image_prefix is "icons/u", then files with names like
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"icons/u1F4A9.svg" or "icons/u1F1EF_1F1F5.svg" will be found. It generates
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an SVG font from this, converts it to woff, and also generates an html test
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page containing text for all the SVG glyphs."""
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parser = argparse.ArgumentParser(
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description='Generate font and html test file.', epilog=usage)
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parser.add_argument('template_file', help='name of template .ttx file')
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parser.add_argument('image_prefix', help='location and prefix of image files')
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parser.add_argument('-i', '--include', help='include files whoses name matches this regex')
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parser.add_argument('-e', '--exclude', help='exclude files whose name matches this regex')
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parser.add_argument('-o', '--out_basename', help='base name of (ttx, woff, html) files to generate, '
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'defaults to the template base name')
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parser.add_argument('-g', '--glyph', help='set the initial glyph text (html encoded string), '
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'defaults to first glyph')
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parser.add_argument('-rt', '--reuse_ttx_font', dest='reuse_font', help='use existing ttx font',
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default=0, const=1, action='store_const')
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parser.add_argument('-r', '--reuse_font', dest='reuse_font', help='use existing woff font',
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const=2, action='store_const')
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parser.add_argument('-q', '--quiet', dest='v', help='quiet operation', default=1,
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action='store_const', const=0)
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parser.add_argument('-v', '--verbose', dest='v', help='verbose operation',
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action='store_const', const=2)
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args = parser.parse_args(argv)
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pairs = add_svg_glyphs.collect_glyphstr_file_pairs(
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args.image_prefix, 'svg', include=args.include, exclude=args.exclude, verbosity=args.v)
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add_svg_glyphs.sort_glyphstr_tuples(pairs)
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out_basename = args.out_basename
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if not out_basename:
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out_basename = args.template_file.split('.')[0] # exclude e.g. '.tmpl.ttx'
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if args.v:
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print("Output basename is %s." % out_basename)
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do_generate_fonts(args.template_file, out_basename, pairs, reuse=args.reuse_font, verbosity=args.v)
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do_generate_test_html(out_basename, pairs, glyph=args.glyph, verbosity=args.v)
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if __name__ == '__main__':
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main(sys.argv[1:])
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