python_http_server_with_plaintext_contenttype

plaintext_python3_http_server.py

#!/usr/bin/env python3

# Mostly sourced from https://stackoverflow.com/questions/37585147/unable-to-view-files-in-a-browser-with-python-http-server


from http.server import SimpleHTTPRequestHandler, test
import argparse

class InlineHandler(SimpleHTTPRequestHandler):

    def end_headers(self):
        mimetype = self.guess_type(self.path)
        is_file = not self.path.endswith('/')
        # This part adds extra headers for some file types.
        if is_file and mimetype in ['text/plain', 'application/octet-stream']:
            self.send_header('Content-Type', 'text/plain')
            self.send_header('Content-Disposition', 'inline')
        super().end_headers()

# The following is based on the standard library implementation 
# https://github.com/python/cpython/blob/3.6/Lib/http/server.py#L1195
if __name__ == '__main__':
    parser = argparse.ArgumentParser()
    parser.add_argument('--bind', '-b', default='', metavar='ADDRESS',
                        help='Specify alternate bind address '
                             '[default: all interfaces]')
    parser.add_argument('port', action='store',
                        default=8000, type=int,
                        nargs='?',
                        help='Specify alternate port [default: 8000]')
    args = parser.parse_args()
    test(InlineHandler, port=args.port, bind=args.bind)