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cgitsb/filters/html-converters/md2html
Jason A. Donenfeld 7d51120440 md2html: use utf-8 and flush output buffer 
Otherwise we get the classic Python UTF-8 errors, and the text is all
out of order. While we're at it, switch to python3 so we only have to
support one set of oddball semantics.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Suggested-by: Daniel Campbell <dlcampbell@gmx.com>
2016-06-17 12:28:03 +02:00

295 lines
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#!/usr/bin/env python3
import markdown
import sys
import io
from pygments.formatters import HtmlFormatter
sys.stdin = io.TextIOWrapper(sys.stdin.buffer, encoding='utf-8')
sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-8')
sys.stdout.write('''
<style>
.markdown-body {
font-size: 14px;
line-height: 1.6;
overflow: hidden;
}
.markdown-body>*:first-child {
margin-top: 0 !important;
}
.markdown-body>*:last-child {
margin-bottom: 0 !important;
}
.markdown-body a.absent {
color: #c00;
}
.markdown-body a.anchor {
display: block;
padding-left: 30px;
margin-left: -30px;
cursor: pointer;
position: absolute;
top: 0;
left: 0;
bottom: 0;
}
.markdown-body h1, .markdown-body h2, .markdown-body h3, .markdown-body h4, .markdown-body h5, .markdown-body h6 {
margin: 20px 0 10px;
padding: 0;
font-weight: bold;
-webkit-font-smoothing: antialiased;
cursor: text;
position: relative;
}
.markdown-body h1 .mini-icon-link, .markdown-body h2 .mini-icon-link, .markdown-body h3 .mini-icon-link, .markdown-body h4 .mini-icon-link, .markdown-body h5 .mini-icon-link, .markdown-body h6 .mini-icon-link {
display: none;
color: #000;
}
.markdown-body h1:hover a.anchor, .markdown-body h2:hover a.anchor, .markdown-body h3:hover a.anchor, .markdown-body h4:hover a.anchor, .markdown-body h5:hover a.anchor, .markdown-body h6:hover a.anchor {
text-decoration: none;
line-height: 1;
padding-left: 0;
margin-left: -22px;
top: 15%}
.markdown-body h1:hover a.anchor .mini-icon-link, .markdown-body h2:hover a.anchor .mini-icon-link, .markdown-body h3:hover a.anchor .mini-icon-link, .markdown-body h4:hover a.anchor .mini-icon-link, .markdown-body h5:hover a.anchor .mini-icon-link, .markdown-body h6:hover a.anchor .mini-icon-link {
display: inline-block;
}
.markdown-body h1 tt, .markdown-body h1 code, .markdown-body h2 tt, .markdown-body h2 code, .markdown-body h3 tt, .markdown-body h3 code, .markdown-body h4 tt, .markdown-body h4 code, .markdown-body h5 tt, .markdown-body h5 code, .markdown-body h6 tt, .markdown-body h6 code {
font-size: inherit;
}
.markdown-body h1 {
font-size: 28px;
color: #000;
}
.markdown-body h2 {
font-size: 24px;
border-bottom: 1px solid #ccc;
color: #000;
}
.markdown-body h3 {
font-size: 18px;
}
.markdown-body h4 {
font-size: 16px;
}
.markdown-body h5 {
font-size: 14px;
}
.markdown-body h6 {
color: #777;
font-size: 14px;
}
.markdown-body p, .markdown-body blockquote, .markdown-body ul, .markdown-body ol, .markdown-body dl, .markdown-body table, .markdown-body pre {
margin: 15px 0;
}
.markdown-body hr {
background: transparent url("/dirty-shade.png") repeat-x 0 0;
border: 0 none;
color: #ccc;
height: 4px;
padding: 0;
}
.markdown-body>h2:first-child, .markdown-body>h1:first-child, .markdown-body>h1:first-child+h2, .markdown-body>h3:first-child, .markdown-body>h4:first-child, .markdown-body>h5:first-child, .markdown-body>h6:first-child {
margin-top: 0;
padding-top: 0;
}
.markdown-body a:first-child h1, .markdown-body a:first-child h2, .markdown-body a:first-child h3, .markdown-body a:first-child h4, .markdown-body a:first-child h5, .markdown-body a:first-child h6 {
margin-top: 0;
padding-top: 0;
}
.markdown-body h1+p, .markdown-body h2+p, .markdown-body h3+p, .markdown-body h4+p, .markdown-body h5+p, .markdown-body h6+p {
margin-top: 0;
}
.markdown-body li p.first {
display: inline-block;
}
.markdown-body ul, .markdown-body ol {
padding-left: 30px;
}
.markdown-body ul.no-list, .markdown-body ol.no-list {
list-style-type: none;
padding: 0;
}
.markdown-body ul li>:first-child, .markdown-body ul li ul:first-of-type, .markdown-body ul li ol:first-of-type, .markdown-body ol li>:first-child, .markdown-body ol li ul:first-of-type, .markdown-body ol li ol:first-of-type {
margin-top: 0px;
}
.markdown-body ul li p:last-of-type, .markdown-body ol li p:last-of-type {
margin-bottom: 0;
}
.markdown-body ul ul, .markdown-body ul ol, .markdown-body ol ol, .markdown-body ol ul {
margin-bottom: 0;
}
.markdown-body dl {
padding: 0;
}
.markdown-body dl dt {
font-size: 14px;
font-weight: bold;
font-style: italic;
padding: 0;
margin: 15px 0 5px;
}
.markdown-body dl dt:first-child {
padding: 0;
}
.markdown-body dl dt>:first-child {
margin-top: 0px;
}
.markdown-body dl dt>:last-child {
margin-bottom: 0px;
}
.markdown-body dl dd {
margin: 0 0 15px;
padding: 0 15px;
}
.markdown-body dl dd>:first-child {
margin-top: 0px;
}
.markdown-body dl dd>:last-child {
margin-bottom: 0px;
}
.markdown-body blockquote {
border-left: 4px solid #DDD;
padding: 0 15px;
color: #777;
}
.markdown-body blockquote>:first-child {
margin-top: 0px;
}
.markdown-body blockquote>:last-child {
margin-bottom: 0px;
}
.markdown-body table th {
font-weight: bold;
}
.markdown-body table th, .markdown-body table td {
border: 1px solid #ccc;
padding: 6px 13px;
}
.markdown-body table tr {
border-top: 1px solid #ccc;
background-color: #fff;
}
.markdown-body table tr:nth-child(2n) {
background-color: #f8f8f8;
}
.markdown-body img {
max-width: 100%;
-moz-box-sizing: border-box;
box-sizing: border-box;
}
.markdown-body span.frame {
display: block;
overflow: hidden;
}
.markdown-body span.frame>span {
border: 1px solid #ddd;
display: block;
float: left;
overflow: hidden;
margin: 13px 0 0;
padding: 7px;
width: auto;
}
.markdown-body span.frame span img {
display: block;
float: left;
}
.markdown-body span.frame span span {
clear: both;
color: #333;
display: block;
padding: 5px 0 0;
}
.markdown-body span.align-center {
display: block;
overflow: hidden;
clear: both;
}
.markdown-body span.align-center>span {
display: block;
overflow: hidden;
margin: 13px auto 0;
text-align: center;
}
.markdown-body span.align-center span img {
margin: 0 auto;
text-align: center;
}
.markdown-body span.align-right {
display: block;
overflow: hidden;
clear: both;
}
.markdown-body span.align-right>span {
display: block;
overflow: hidden;
margin: 13px 0 0;
text-align: right;
}
.markdown-body span.align-right span img {
margin: 0;
text-align: right;
}
.markdown-body span.float-left {
display: block;
margin-right: 13px;
overflow: hidden;
float: left;
}
.markdown-body span.float-left span {
margin: 13px 0 0;
}
.markdown-body span.float-right {
display: block;
margin-left: 13px;
overflow: hidden;
float: right;
}
.markdown-body span.float-right>span {
display: block;
overflow: hidden;
margin: 13px auto 0;
text-align: right;
}
.markdown-body code, .markdown-body tt {
margin: 0 2px;
padding: 0px 5px;
border: 1px solid #eaeaea;
background-color: #f8f8f8;
border-radius: 3px;
}
.markdown-body code {
white-space: nowrap;
}
.markdown-body pre>code {
margin: 0;
padding: 0;
white-space: pre;
border: none;
background: transparent;
}
.markdown-body .highlight pre, .markdown-body pre {
background-color: #f8f8f8;
border: 1px solid #ccc;
font-size: 13px;
line-height: 19px;
overflow: auto;
padding: 6px 10px;
border-radius: 3px;
}
.markdown-body pre code, .markdown-body pre tt {
margin: 0;
padding: 0;
background-color: transparent;
border: none;
}
''')
sys.stdout.write(HtmlFormatter(style='pastie').get_style_defs('.highlight'))
sys.stdout.write('''
</style>
''')
sys.stdout.write("<div class='markdown-body'>")
sys.stdout.flush()
# Note: you may want to run this through bleach for sanitization
markdown.markdownFromFile(output_format="html5", extensions=["markdown.extensions.fenced_code", "markdown.extensions.codehilite", "markdown.extensions.tables"], extension_configs={"markdown.extensions.codehilite":{"css_class":"highlight"}})
sys.stdout.write("</div>")
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