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| 1 # Copyright 2015 The Chromium Authors. All rights reserved. | |
| 2 # Use of this source code is governed by a BSD-style license that can be | |
| 3 # found in the LICENSE file. | |
| 4 | |
| 5 """Simple Markdown browser for a Git checkout.""" | |
| 6 from __future__ import print_function | |
| 7 | |
| 8 import SimpleHTTPServer | |
| 9 import SocketServer | |
| 10 import argparse | |
| 11 import codecs | |
| 12 import os | |
| 13 import socket | |
| 14 import sys | |
| 15 | |
| 16 | |
| 17 THIS_DIR = os.path.abspath(os.path.dirname(__file__)) | |
| 18 SRC_DIR = os.path.dirname(os.path.dirname(THIS_DIR)) | |
| 19 sys.path.append(os.path.join(SRC_DIR, 'third_party', 'Python-Markdown')) | |
| 20 import markdown | |
| 21 | |
| 22 | |
| 23 def main(argv): | |
| 24 parser = argparse.ArgumentParser(prog='md_browser') | |
| 25 parser.add_argument('-p', '--port', type=int, default=8080, | |
| 26 help='port to run on (default = %(default)s)') | |
| 27 args = parser.parse_args(argv) | |
| 28 | |
| 29 try: | |
| 30 s = Server(args.port, SRC_DIR) | |
| 31 print("Listening on http://localhost:%s/" % args.port) | |
| 32 s.serve_forever() | |
| 33 s.shutdown() | |
| 34 return 0 | |
| 35 except KeyboardInterrupt: | |
| 36 return 130 | |
| 37 | |
| 38 | |
| 39 class Server(SocketServer.TCPServer): | |
| 40 def __init__(self, port, top_level): | |
| 41 SocketServer.TCPServer.__init__(self, ('0.0.0.0', port), Handler) | |
| 42 self.port = port | |
| 43 self.top_level = top_level | |
| 44 | |
| 45 def server_bind(self): | |
| 46 self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) | |
| 47 self.socket.bind(self.server_address) | |
| 48 | |
| 49 | |
| 50 class Handler(SimpleHTTPServer.SimpleHTTPRequestHandler): | |
| 51 def do_GET(self): | |
| 52 full_path = os.path.abspath(os.path.join(self.server.top_level, | |
| 53 self.path[1:])) | |
| 54 if not full_path.startswith(SRC_DIR): | |
| 55 self._DoUnknown() | |
| 56 elif self.path == '/doc.css': | |
| 57 self._WriteTemplate('doc.css') | |
| 58 elif not os.path.exists(full_path): | |
| 59 self._DoNotFound() | |
| 60 elif self.path.lower().endswith('.md'): | |
| 61 self._DoMD() | |
| 62 else: | |
| 63 self._DoUnknown() | |
| 64 | |
| 65 def _DoMD(self): | |
| 66 extensions = [ | |
| 67 'markdown.extensions.fenced_code', | |
| 68 'markdown.extensions.tables', | |
| 69 'markdown.extensions.toc', | |
| 70 ] | |
| 71 | |
| 72 contents = self._Read(self.path[1:]) | |
| 73 md_fragment = markdown.markdown(contents, | |
| 74 extensions=extensions, | |
| 75 output_format='html4').encode('utf-8') | |
| 76 try: | |
| 77 self._WriteTemplate('header.html') | |
| 78 self.wfile.write(md_fragment) | |
| 79 self._WriteTemplate('footer.html') | |
| 80 except: | |
| 81 raise | |
| 82 | |
| 83 def _DoNotFound(self): | |
| 84 self.wfile.write('<html><body>%s not found</body></html>' % self.path) | |
| 85 | |
| 86 def _DoUnknown(self): | |
| 87 self.wfile.write('<html><body>I do not know how to serve %s.</body>' | |
| 88 '</html>' % self.path) | |
| 89 | |
| 90 def _Read(self, relpath): | |
| 91 assert not relpath.startswith(os.sep) | |
| 92 path = os.path.join(self.server.top_level, relpath) | |
| 93 with codecs.open(path, encoding='utf-8') as fp: | |
| 94 return fp.read() | |
| 95 | |
| 96 def _WriteTemplate(self, template): | |
| 97 contents = self._Read(os.path.join('tools', 'md_browser', template)) | |
| 98 self.wfile.write(contents.encode('utf-8')) | |
| 99 | |
| 100 | |
| 101 if __name__ == '__main__': | |
| 102 sys.exit(main(sys.argv[1:])) | |
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Chromium Code Reviews
Issue 1389543003:
Revert of Check in a simple pure-python based Markdown previewer. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@add