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File:  [ELWIX - Embedded LightWeight unIX -] / embedaddon / rsync / packaging / md2html
Revision 1.1.1.1 (vendor branch): download - view: text, annotated - select for diffs - revision graph
Wed Mar 17 00:32:36 2021 UTC (3 years, 3 months ago) by misho
Branches: rsync, MAIN
CVS tags: v3_2_3, HEAD
rsync 3.2.3

    1: #!/usr/bin/env python3
    2: 
    3: # Copyright (C) 2020 Wayne Davison
    4: #
    5: # This program is freely redistributable.
    6: 
    7: import os, re, argparse
    8: 
    9: HTML_START = """\
   10: <html><head>
   11: <title>%s</title>
   12: <link href="https://fonts.googleapis.com/css2?family=Roboto&family=Roboto+Mono&display=swap" rel="stylesheet">
   13: <style>
   14: body {
   15:   max-width: 50em;
   16:   margin: auto;
   17: }
   18: body, b, strong, u {
   19:   font-family: 'Roboto', sans-serif;
   20: }
   21: code {
   22:   font-family: 'Roboto Mono', monospace;
   23:   font-weight: bold;
   24: }
   25: pre code {
   26:   display: block;
   27:   font-weight: normal;
   28: }
   29: blockquote pre code {
   30:   background: #f1f1f1;
   31: }
   32: dd p:first-of-type {
   33:   margin-block-start: 0em;
   34: }
   35: table {
   36:   border-color: grey;
   37:   border-spacing: 0;
   38: }
   39: tr {
   40:   border-top: 1px solid grey;
   41: }
   42: tr:nth-child(2n) {
   43:   background-color: #f6f8fa;
   44: }
   45: th, td {
   46:   border: 1px solid #dfe2e5;
   47:   text-align: center;
   48:   padding-left: 1em;
   49:   padding-right: 1em;
   50: }
   51: </style>
   52: </head><body>
   53: """
   54: 
   55: HTML_END = """\
   56: </body></html>
   57: """
   58: 
   59: md_parser = None
   60: 
   61: def main():
   62:     for mdfn in args.mdfiles:
   63:         if not mdfn.endswith('.md'):
   64:             print('Ignoring non-md input file:', mdfn)
   65:             continue
   66:         title = re.sub(r'.*/', '', mdfn).replace('.md', '')
   67:         htfn = mdfn.replace('.md', '.html')
   68: 
   69:         print("Parsing", mdfn, '->', htfn)
   70: 
   71:         with open(mdfn, 'r', encoding='utf-8') as fh:
   72:             txt = fh.read()
   73: 
   74:         txt = re.sub(r'\s--\s', '\xa0-- ', txt)
   75: 
   76:         html = md_parser(txt)
   77: 
   78:         html = re.sub(r'(?<!<pre>)(<code>)([\s\S]*?)(</code>)', lambda m: m[1] + re.sub(r'\s', '\xa0', m[2]) + m[3], html)
   79:         html = html.replace('--', '&#8209;&#8209;').replace("\xa0-", '&nbsp;&#8209;').replace("\xa0", '&nbsp;')
   80:         html = re.sub(r'(\W)-', r'\1&#8209;', html)
   81: 
   82:         if os.path.lexists(htfn):
   83:             os.unlink(htfn)
   84: 
   85:         with open(htfn, 'w', encoding='utf-8') as fh:
   86:             fh.write(HTML_START % title)
   87:             fh.write(html)
   88:             fh.write(HTML_END)
   89: 
   90: 
   91: if __name__ == '__main__':
   92:     parser = argparse.ArgumentParser(description='Output html for md pages.', add_help=False)
   93:     parser.add_argument("--help", "-h", action="help", help="Output this help message and exit.")
   94:     parser.add_argument("mdfiles", nargs='+', help="The .md files to turn into .html files.")
   95:     args = parser.parse_args()
   96: 
   97:     try:
   98:         import cmarkgfm
   99:         # Our NEWS.md file has a gfm table in it.
  100:         md_parser = cmarkgfm.github_flavored_markdown_to_html
  101:     except:
  102:         die("Failed to find cmarkgfm for python3.")
  103: 
  104:     main()
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