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flying-sheep/serve-peps.py

Last active May 23, 2021 20:56
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Server for developing https://github.com/python/peps
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serve-peps.py
import sys
import os
from http import HTTPStatus
from http.server import HTTPServer, SimpleHTTPRequestHandler
from pathlib import Path
from io import StringIO, BytesIO
from pep2html import PEP_TYPE_DISPATCH
here = Path(__file__).parent
template = '''\
<!doctype html>
<html>
<head>
<meta charset=utf-8>
<title>{title}</title>
<link rel=stylesheet href=https://www.python.org/static/stylesheets/style.css>
<link rel=stylesheet href=https://www.python.org/static/stylesheets/mq.css>
<style>
.pep-page pre {{
padding: .5em;
background: inherit;
border-left: 0px;
box-shadow: 0 0 0 0;
}}
</style>
<script src=http://livejs.com/live.js></script>
</head>
<body class="content-wrapper pep-page">
<main class=container>
<section class="main-content with-left-sidebar">
<article class=text>
{body}
</article>
</section>
<aside class=left-sidebar>
<div class="psf-sidebar-widget sidebar-widget">
<h3 class=widget-title>The PSF</h3>
<p>The Python Software Foundation is the organization behind Python. Become a member of the PSF and help advance the software and our mission.</p>
</div>
</aside>
</main>
</body>
'''
def render_rst(html_path, rst_path):
with rst_path.open() as rst_file:
rst_lines = rst_file.readlines()
outfile = StringIO()
outfile.name = str(html_path)
PEP_TYPE_DISPATCH['text/x-rst'](str(rst_path), rst_lines, outfile)
title = str(rst_path.with_suffix('')).upper().replace('-', ' ')
return template.format(body=outfile.getvalue(), title=title)
class PEPRequestHandler(SimpleHTTPRequestHandler):
def send_head(self):
html_path = Path(self.path[1:]).relative_to(here)
if not html_path.match('pep-????.html'):
return super().send_head()
rst_path = html_path.with_suffix('.txt')
html = render_rst(html_path, rst_path).encode('utf-8')
f = BytesIO(html)
self.send_response(HTTPStatus.OK)
self.send_header('Content-type', 'text/html')
self.send_header('Content-Length', str(len(html)))
self.send_header('Last-Modified', self.date_time_string(rst_path.stat().st_mtime))
self.end_headers()
return f
if __name__ == '__main__':
print('Server started on http://localhost:8000')
server = HTTPServer(('', 8000), PEPRequestHandler)
server.serve_forever()
@flying-sheep
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pathlib is super awesome btw. this would be much more complex without it.

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