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#!/usr/bin/env python3
# Copyright (C) 2020 Wayne Davison
#
# This program is freely redistributable.
import os, re, argparse
HTML_START = """\
<html><head>
<title>%s</title>
<link href="https://fonts.googleapis.com/css2?family=Roboto&family=Roboto+Mono&display=swap" rel="stylesheet">
<style>
body {
max-width: 50em;
margin: auto;
}
body, b, strong, u {
font-family: 'Roboto', sans-serif;
}
code {
font-family: 'Roboto Mono', monospace;
font-weight: bold;
}
pre code {
display: block;
font-weight: normal;
}
blockquote pre code {
background: #f1f1f1;
}
dd p:first-of-type {
margin-block-start: 0em;
}
table {
border-color: grey;
border-spacing: 0;
}
tr {
border-top: 1px solid grey;
}
tr:nth-child(2n) {
background-color: #f6f8fa;
}
th, td {
border: 1px solid #dfe2e5;
text-align: center;
padding-left: 1em;
padding-right: 1em;
}
</style>
</head><body>
"""
HTML_END = """\
</body></html>
"""
md_parser = None
def main():
for mdfn in args.mdfiles:
if not mdfn.endswith('.md'):
print('Ignoring non-md input file:', mdfn)
continue
title = re.sub(r'.*/', '', mdfn).replace('.md', '')
htfn = mdfn.replace('.md', '.html')
print("Parsing", mdfn, '->', htfn)
with open(mdfn, 'r', encoding='utf-8') as fh:
txt = fh.read()
txt = re.sub(r'\s--\s', '\xa0-- ', txt)
html = md_parser(txt)
html = re.sub(r'(?<!<pre>)(<code>)([\s\S]*?)(</code>)', lambda m: m[1] + re.sub(r'\s', '\xa0', m[2]) + m[3], html)
html = html.replace('--', '‑‑').replace("\xa0-", ' ‑').replace("\xa0", ' ')
html = re.sub(r'(\W)-', r'\1‑', html)
if os.path.lexists(htfn):
os.unlink(htfn)
with open(htfn, 'w', encoding='utf-8') as fh:
fh.write(HTML_START % title)
fh.write(html)
fh.write(HTML_END)
if __name__ == '__main__':
parser = argparse.ArgumentParser(description='Output html for md pages.', add_help=False)
parser.add_argument("--help", "-h", action="help", help="Output this help message and exit.")
parser.add_argument("mdfiles", nargs='+', help="The .md files to turn into .html files.")
args = parser.parse_args()
try:
import cmarkgfm
# Our NEWS.md file has a gfm table in it.
md_parser = cmarkgfm.github_flavored_markdown_to_html
except:
die("Failed to find cmarkgfm for python3.")
main()
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